TWI555423B - Resource allocating method, base station, resource requesting method and user equipment - Google Patents

Resource allocating method, base station, resource requesting method and user equipment Download PDF

Info

Publication number
TWI555423B
TWI555423B TW103131329A TW103131329A TWI555423B TW I555423 B TWI555423 B TW I555423B TW 103131329 A TW103131329 A TW 103131329A TW 103131329 A TW103131329 A TW 103131329A TW I555423 B TWI555423 B TW I555423B
Authority
TW
Taiwan
Prior art keywords
user equipment
base station
target list
resource
communication
Prior art date
Application number
TW103131329A
Other languages
Chinese (zh)
Other versions
TW201611642A (en
Inventor
林盈達
梁雲豪
古佳育
賴源正
Original Assignee
國立交通大學
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 國立交通大學 filed Critical 國立交通大學
Priority to TW103131329A priority Critical patent/TWI555423B/en
Publication of TW201611642A publication Critical patent/TW201611642A/en
Application granted granted Critical
Publication of TWI555423B publication Critical patent/TWI555423B/en

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Description

資源分配方法、基地台、資源請求方法及使用者設備 Resource allocation method, base station, resource request method and user equipment

本發明是有關於一種資源分配方法、基地台、資源請求方法及使用者設備,且特別是有關於一種可在異質網路(heterogeneous networks,HetNet)中達到流量卸載的資源分配方法、基地台、資源請求方法及使用者設備。 The present invention relates to a resource allocation method, a base station, a resource request method, and a user equipment, and particularly relates to a resource allocation method and a base station capable of achieving traffic offloading in heterogeneous networks (HetNet). Resource request method and user equipment.

隨著科技的發展以及時代的進步,各式各樣的行動通訊裝置已然成為人們生活中不可或缺的一部分。然而,當過多行動通訊裝置附接(attach)到數量有限的增強型節點B(e NodeB,eNB)時,將可能使得蜂巢式網路上出現過載的情形。此時,行動通訊裝置的使用者將可能經歷到不連續或是較低的通訊服務品質,因而造成不佳的使用者體驗。因此,網路營運商需要解決這些問題的辦法。 With the development of technology and the progress of the times, a variety of mobile communication devices have become an indispensable part of people's lives. However, when too many mobile communication devices are attached to a limited number of enhanced Node Bs (eNodeBs, eNBs), an overload situation may occur on the cellular network. At this point, users of mobile communication devices may experience discontinuous or lower communication service quality, resulting in a poor user experience. Therefore, network operators need to solve these problems.

為了解決網路過載的問題,第三代合作夥伴計劃(Third Generation Partnership Project,3GPP)提出了小型細胞(small cell) 的概念。小型細胞可用於延伸巨型細胞(macro cell)的覆蓋範圍(coverage),並增加在細胞邊緣的信號強度,進而增加行動通訊裝置的資料率。然而,小型細胞仍苦於頻寬不足以及干擾等問題。舉例而言,小細胞一般在不增加通道頻寬的情況下採用相同於巨型細胞的頻率,因而產生與巨型細胞互相干擾的情形。為了避免此問題,小型細胞需進行干擾的避免及消除的操作。另一方面,由於近年來小型細胞尚未廣泛地佈建,因此,若網路營運商欲解決上述問題,其佈建上的成本將相當高。 In order to solve the problem of network overload, the Third Generation Partnership Project (3GPP) proposed small cells. the concept of. Small cells can be used to extend the coverage of macro cells and increase the signal intensity at the cell edge, thereby increasing the data rate of mobile communication devices. However, small cells still suffer from problems such as insufficient bandwidth and interference. For example, small cells generally use the same frequency as giant cells without increasing the channel bandwidth, thus creating a situation of interference with giant cells. In order to avoid this problem, small cells need to perform interference avoidance and elimination operations. On the other hand, since small cells have not been widely deployed in recent years, if the network operator wants to solve the above problems, the cost of its construction will be quite high.

近年來,無線區域網路(wireless local area network,WLAN)已廣泛地佈建於許多地方,特別是建築物中。3GPP中的RAN2組織(其負責無線層(radio layer)2及3)開始討論WLAN與3GPP接取網路之間的共同運作(interworking),亦即HetNet。HetNet的主要優點在於各個無線接取技術(radio access technology,NAT)使用了相異的頻率,因而能夠達到較高的容量增益(capacity gain)。在佈建方面,網路營運商可使用巨型細胞達到大覆蓋範圍,並同時以HetNet達到高容量。 In recent years, wireless local area networks (WLANs) have been widely deployed in many places, especially in buildings. The RAN2 organization in 3GPP, which is responsible for the radio layers 2 and 3, begins to discuss the interworking between WLAN and 3GPP access networks, namely HetNet. The main advantage of HetNet is that each radio access technology (NAT) uses a different frequency, thus achieving a higher capacity gain. In terms of deployment, network operators can use giant cells to achieve large coverage while achieving high capacity with HetNet.

雖然HetNet可解決網路營運商目前的難題,但其在實現上仍有許多待解決的困難。首先,HetNet之間的通知機制將會是第一個困難。具體而言,由於不同的RAT使用不同的協幅與其網路中的裝置通訊,因此需要能夠將這些RAT整合及協調的通知機制。其次,第二個困難在於需滿足行動通訊裝置的服務要求。在同質網路中,行動通訊裝置可能會遭遇到不佳的通道品質,因而 可能需要換手(handoff)。然而,使用不同的RAT可能苦於不同的無線通訊狀況而違反了服務品質(quality of service,QoS)。為了避免不佳的使用者體驗以及有效率地使用網路資源,基於服務特性來分配資源給在不同RAT中的行動通訊裝置是相當重要的。 Although HetNet can solve the current problems of network operators, there are still many difficulties to be solved in its implementation. First, the notification mechanism between HetNet will be the first difficulty. In particular, since different RATs use different co-adapters to communicate with devices in their networks, a notification mechanism that can integrate and coordinate these RATs is needed. Second, the second difficulty lies in the need to meet the service requirements of mobile communication devices. In a homogeneous network, mobile communication devices may experience poor channel quality, thus May need to be handoff. However, using different RATs may suffer from different wireless communication conditions and violate quality of service (QoS). In order to avoid a poor user experience and efficient use of network resources, it is important to allocate resources based on service characteristics to mobile communication devices in different RATs.

此外,第三個困難在於判斷目標網路(target network)。 過於瑣碎的決策演算法不僅可能導致低網路使用者,也可能導致網路的瓶頸。另一方面,由於需要綜合考量通道情形、網路情形以及行動通訊裝置的情形,因此HetNet中的全域決策演算法將相當複雜。舉例而言,現今大部分的行動通訊裝置皆能支援WLAN以及蜂巢式網路的雙模通訊模式。使用者需自行決定使用哪種網路。在此情況下,不同的使用者可能會選到相同的目標網路,進而造成此網路發生過載的情形。 In addition, the third difficulty is to determine the target network. An overly trivial decision-making algorithm can not only lead to low-network users, but also lead to network bottlenecks. On the other hand, the global decision-making algorithm in HetNet will be quite complicated due to the need to consider the channel situation, the network situation and the situation of the mobile communication device. For example, most mobile communication devices today support dual-mode communication modes for WLAN and cellular networks. Users need to decide which network to use. In this case, different users may choose the same target network, which may cause the network to be overloaded.

現今已提出許多關於HetNet決策演算法的研究。然而,鮮少有研究是關於在同時考慮多個行動通訊裝置以及網路資訊的情況下進行決策。假若某決策演算法僅考慮單個行動通訊裝置的資訊,例如地點資訊、接收訊號強度(received signal strength,RSS),及信號雜訊比(signal to noise ration,SNR)等,由於網路可能發生過載的情形,使得此決策演算法並無法保證能夠順利地服務行動通訊裝置。 Many studies on HetNet decision algorithms have been proposed today. However, few studies have focused on making decisions while considering multiple mobile communications devices and network information. If a decision algorithm only considers the information of a single mobile communication device, such as location information, received signal strength (RSS), and signal to noise ration (SNR), the network may be overloaded. The situation makes this decision algorithm unable to guarantee the smooth operation of mobile communication devices.

另一方面,假若某決策演算法僅考慮網路資訊,例如網路負載、網路特性以及成本等,由於其決策無法在未考慮通道行動通訊裝置與網路間的通道品質的情況下增進通道使用率以及服 務體驗,使得此決策演算法無法產生綜合性的決策結果。此外,即便某決策演算法結合單個行動通訊裝置的資訊以及網路資訊,其決策可能無法達到低服務阻擋率(service blocking rate)。舉例而言,當行動通訊裝置具有多個候選網路時,所述決策無法在不考慮行動通訊裝置的候選網路的情況下增進多個網路的使用率。 因此,網路營運商需綜合考量多個行動通訊裝置的資訊以及網路資訊,以達到要求的QoS以及增進網路使用率。 On the other hand, if a decision-making algorithm only considers network information, such as network load, network characteristics, and cost, it cannot improve the channel without considering the channel quality between the channel mobile communication device and the network. Usage rate and service The experience makes this decision algorithm unable to produce comprehensive decision results. In addition, even if a decision-making algorithm combines information from a single mobile communication device with network information, its decision may not achieve a low service blocking rate. For example, when a mobile communication device has multiple candidate networks, the decision cannot increase the usage of multiple networks without considering the candidate network of the mobile communication device. Therefore, network operators need to comprehensively consider the information of multiple mobile communication devices and network information to achieve the required QoS and increase network usage.

有鑑於此,本發明實施例提供一種資源分配方法、基地台、資源請求方法及使用者設備。所述資源請求方法可將使用者設備的資訊有效地提供給基地台參考。所述資源分配方法可綜合考量多個使用者設備(user equipment,UE)資訊以及基地台的網路資訊,進而同時達到低服務阻擋率以及高網路使用率。 In view of this, the embodiments of the present invention provide a resource allocation method, a base station, a resource request method, and a user equipment. The resource request method can effectively provide information of the user equipment to the base station reference. The resource allocation method can comprehensively consider a plurality of user equipment (UE) information and network information of the base station, thereby achieving both a low service blocking rate and a high network usage rate.

本發明提供一種資源分配方法,適於多個特定基地台中的基地台。所述方法包括:接收對應於至少一使用者設備的至少一目標清單,其中至少一目標清單中的第一目標清單包括對應於第一目標清單的第一使用者設備與所述多個特定基地台之間的多個通道品質以及所述多個特定基地台;從至少一使用者設備中找出具有最低通道資源需求的第二使用者設備;判斷基地台的負載狀態是否足以服務第二使用者設備;若是,依據最低通道資源需求對第二使用者設備分配第一通訊資源。 The present invention provides a resource allocation method suitable for a base station in a plurality of specific base stations. The method includes receiving at least one target list corresponding to at least one user device, wherein the first target list in the at least one target list includes a first user device corresponding to the first target list and the plurality of specific bases a plurality of channel qualities between the stations and the plurality of specific base stations; finding a second user equipment having the lowest channel resource requirement from the at least one user equipment; determining whether the load status of the base station is sufficient to serve the second use The device device; if yes, assigning the first communication resource to the second user device according to the minimum channel resource requirement.

在本發明之一實施例中,當基地台的負載狀態不足以服務第二使用者設備時,不對第二使用者設備分配第一通訊資源,並轉發至少一目標清單中對應於第二使用者設備的第二目標清單。 In an embodiment of the present invention, when the load status of the base station is insufficient to serve the second user equipment, the second user equipment is not allocated the first communication resource, and the at least one target list corresponds to the second user. A second target list of devices.

在本發明之一實施例中,各目標清單中的所述多個特定基地台依據所述多個通道品質以降冪順序排列。 In an embodiment of the present invention, the plurality of specific base stations in each target list are arranged in descending order according to the plurality of channel qualities.

在本發明之一實施例中,在判斷基地台的負載狀態是否足以服務第二使用者設備的步驟之前,更包括:判斷基地台與第二使用者設備之間的特定通道品質是否低於通道品質門限值;若是,不對第二使用者設備分配第一通訊資源,並轉發至少一目標清單中對應於第二使用者設備的第二目標清單;若否,依據最低通道資源需求對第二使用者設備分配第一通訊資源。 In an embodiment of the present invention, before determining whether the load status of the base station is sufficient to serve the second user equipment, the method further includes: determining whether the specific channel quality between the base station and the second user equipment is lower than the channel a quality threshold; if yes, not allocating the first communication resource to the second user equipment, and forwarding the second target list corresponding to the second user equipment in the at least one target list; if not, using the second channel according to the lowest channel resource requirement The device allocates the first communication resource.

在本發明之一實施例中,在依據最低通道資源需求對第二使用者設備分配第一通訊資源的步驟之後,更包括:依據第一通訊資源更新基地台的負載狀態;從至少一使用者設備中排除第二使用者設備;從至少一使用者設備中找出具有另一最低通道資源需求的第三使用者設備;判斷基地台的負載狀態是否足以服務第三使用者設備;若是,依據另一最低通道資源需求對第三使用者設備分配第二通訊資源;若否,不對第三使用者設備分配第二通訊資源,並轉發至少一目標清單中對應於第三使用者設備的第三目標清單。 In an embodiment of the present invention, after the step of allocating the first communication resource to the second user equipment according to the minimum channel resource requirement, the method further includes: updating the load status of the base station according to the first communication resource; and from the at least one user Excluding the second user equipment from the device; finding a third user equipment having another lowest channel resource requirement from the at least one user equipment; determining whether the load status of the base station is sufficient to serve the third user equipment; if yes, The other minimum channel resource requirement allocates the second communication resource to the third user equipment; if not, the third user equipment is not allocated the second communication resource, and the third target corresponding to the third user equipment in the at least one target list is forwarded List of targets.

在本發明之一實施例中,在接收對應於至少一使用者設 備的至少一目標清單的步驟之前,更包括:取得其他特定基地台對應的至少一當下負載狀態;判斷負載狀態是否高於至少一當下負載狀態;若是,先於所述其他特定基地台分配基地台的通訊資源;若否,後於所述其他特定基地台分配基地台的通訊資源。 In an embodiment of the present invention, the receiving corresponds to at least one user setting Before the step of at least one target list, the method further includes: obtaining at least one current load status corresponding to the other specific base stations; determining whether the load status is higher than the at least one current load status; if yes, assigning the base before the other specific base stations The communication resources of the station; if not, the communication resources of the base station are allocated to the other specific base stations.

在本發明之一實施例中,在依據最低通道資源需求對第二使用者設備分配第一通訊資源的步驟之後,更包括在各特定基地台皆完成對至少一使用者設備的通訊資源分配操作之後,與基地台服務的至少一使用者設備建立連線。 In an embodiment of the present invention, after the step of allocating the first communication resource to the second user equipment according to the minimum channel resource requirement, the method further includes: performing communication resource allocation operations on the at least one user equipment at each specific base station. Thereafter, a connection is established with at least one user device of the base station service.

本發明提供一種基地台,其包括收發器模組以及通訊協定模組。收發器模組接收對應於至少一使用者設備的至少一目標清單,其中至少一目標清單中的第一目標清單包括對應於第一目標清單的第一使用者設備與所述多個特定基地台之間的多個通道品質以及所述多個特定基地台。通訊協定模組,連接於收發器模組,從至少一使用者設備中找出具有最低通道資源需求的第二使用者設備;判斷基地台的負載狀態是否足以服務第二使用者設備;若是,依據最低通道資源需求對第二使用者設備分配第一通訊資源。 The invention provides a base station comprising a transceiver module and a communication protocol module. The transceiver module receives at least one target list corresponding to the at least one user equipment, wherein the first target list in the at least one target list includes the first user equipment corresponding to the first target list and the plurality of specific base stations Multiple channel qualities between the multiple and the specific base stations. The communication protocol module is connected to the transceiver module, and finds a second user equipment having the lowest channel resource requirement from the at least one user equipment; determining whether the load status of the base station is sufficient to serve the second user equipment; if yes, The first communication resource is allocated to the second user equipment according to the minimum channel resource requirement.

在本發明之一實施例中,當基地台的負載狀態不足以服務第二使用者設備時,通訊協定模組不對第二使用者設備分配第一通訊資源,並轉發至少一目標清單中對應於第二使用者設備的第二目標清單。 In an embodiment of the present invention, when the load status of the base station is insufficient to serve the second user equipment, the communication protocol module does not allocate the first communication resource to the second user equipment, and forwards at least one target list corresponding to A second target list of the second user device.

在本發明之一實施例中,各目標清單中的所述多個特定 基地台依據所述多個通道品質以降冪順序排列。 In an embodiment of the invention, the plurality of specificities in each target list The base station is arranged in descending order according to the quality of the plurality of channels.

在本發明之一實施例中,通訊協定模組更判斷基地台與第二使用者設備之間的特定通道品質是否低於通道品質門限值;若是,通訊協定模組不對第二使用者設備分配第一通訊資源,並轉發至少一目標清單中對應於第二使用者設備的第二目標清單;若否,通訊協定模組依據最低通道資源需求對第二使用者設備分配第一通訊資源。 In an embodiment of the present invention, the communication protocol module further determines whether a specific channel quality between the base station and the second user equipment is lower than a channel quality threshold; if yes, the protocol module does not allocate the second user equipment. a first communication resource, and forwarding a second target list corresponding to the second user equipment in the at least one target list; if not, the communication protocol module allocates the first communication resource to the second user equipment according to the lowest channel resource requirement.

在本發明之一實施例中,通訊協定模組:依據第一通訊資源更新基地台的負載狀態;從至少一使用者設備中排除第二使用者設備;從至少一使用者設備中找出具有另一最低通道資源需求的第三使用者設備;判斷基地台的負載狀態是否足以服務第三使用者設備;若是,依據另一最低通道資源需求對第三使用者設備分配第二通訊資源;若否,不對第三使用者設備分配第二通訊資源,並轉發至少一目標清單中對應於第三使用者設備的第三目標清單。 In an embodiment of the present invention, the communication protocol module: updating the load status of the base station according to the first communication resource; excluding the second user equipment from the at least one user equipment; and finding out from the at least one user equipment a third user equipment of the lowest channel resource requirement; determining whether the load status of the base station is sufficient to serve the third user equipment; if yes, allocating the second communication resource to the third user equipment according to another minimum channel resource requirement; No, the third communication resource is not allocated to the third user equipment, and the third target list corresponding to the third user equipment in the at least one target list is forwarded.

在本發明之一實施例中,通訊協定模組:取得其他特定基地台對應的至少一當下負載狀態;判斷負載狀態是否高於至少一當下負載狀態;若是,先於所述其他特定基地台分配基地台的通訊資源;若否,後於所述其他特定基地台分配基地台的通訊資源。 In an embodiment of the present invention, the communication protocol module: obtaining at least one current load status corresponding to another specific base station; determining whether the load status is higher than at least one current load status; if yes, prior to the other specific base station allocation The communication resources of the base station; if not, the communication resources of the base station are allocated to the other specific base stations.

在本發明之一實施例中,在各特定基地台皆完成對至少一使用者設備的通訊資源分配操作之後,通訊協定模組與基地台 服務的至少一使用者設備建立連線。 In an embodiment of the present invention, after each of the specific base stations completes the communication resource allocation operation for the at least one user equipment, the communication protocol module and the base station At least one user device of the service establishes a connection.

本發明提供一種資源請求方法,適於使用者設備。所述方法包括:量測該使用者設備與多個基地台之間的多個通道品質;整合所述多個通道品質與所述多個基地台為目標清單;發送該目標清單給所述多個基地台的其中之一。 The present invention provides a resource request method suitable for a user equipment. The method includes: measuring a plurality of channel qualities between the user equipment and a plurality of base stations; integrating the plurality of channel qualities with the plurality of base stations as a target list; and transmitting the target list to the plurality of One of the base stations.

在本發明之一實施例中,發送該目標清單給所述多個基地台的其中之一的步驟包括僅發送該目標清單至對該使用者設備而言具有最佳通道品質的特定基地台。 In an embodiment of the invention, the step of transmitting the target list to one of the plurality of base stations comprises transmitting only the target list to a particular base station having the best channel quality for the user equipment.

在本發明之一實施例中,整合所述多個通道品質與所述多個基地台為該目標清單的步驟包括將所述多個基地台依據所述多個通道品質在該目標清單中以降冪順序排列。 In an embodiment of the present invention, the step of integrating the plurality of channel qualities and the plurality of base stations as the target list comprises: lowering the plurality of base stations in the target list according to the plurality of channel qualities Arranged in power order.

本發明提供一種使用者設備,其包括收發器模組以及通訊協定模組。收發器模組量測該使用者設備與多個基地台之間的多個通道品質。通訊協定模組耦接該收發器模組,整合所述多個通道品質與所述多個基地台為目標清單,並控制該收發器模組發送該目標清單給所述多個基地台的其中之一。 The invention provides a user equipment comprising a transceiver module and a communication protocol module. The transceiver module measures the quality of the plurality of channels between the user equipment and the plurality of base stations. The communication protocol module is coupled to the transceiver module, integrates the plurality of channel qualities and the plurality of base stations as target lists, and controls the transceiver module to send the target list to the plurality of base stations. one.

在本發明之一實施例中,該通訊協定模組控制該收發器模組僅發送該目標清單至對該使用者設備而言具有最佳通道品質的特定基地台。 In an embodiment of the invention, the protocol module controls the transceiver module to send only the target list to a particular base station having the best channel quality for the user equipment.

在本發明之一實施例中,通訊協定模組將所述多個基地台依據所述多個通道品質在該目標清單中以降冪順序排列。 In an embodiment of the present invention, the communication protocol module arranges the plurality of base stations in descending order of the target list according to the plurality of channel qualities.

基於上述,本發明實施例提出的資源請求方法及UE可將 UE與多個基地台之間的通道品質整合為目標清單,並將此目標清單發送給所述多個其地台的其中之一。並且,本發明實施例提出的資源分配方法及其基地台可在接收到對應於UE的目標清單之後,依據其負載狀態判斷是否服務所考慮的UE中具有最低通道資源需求的UE。當基地台判斷其負載狀態足以服務此UE時,基地台才會對此UE分配通訊資源,因而能夠有效地避免基地台發生過載的情形。 Based on the above, the resource request method and the UE proposed by the embodiment of the present invention may The channel quality between the UE and the plurality of base stations is integrated into a target list, and the target list is sent to one of the plurality of platforms. Moreover, the resource allocation method and the base station provided by the embodiment of the present invention may determine, according to the load status, whether to serve the UE with the lowest channel resource requirement among the considered UEs after receiving the target list corresponding to the UE. When the base station judges that its load status is sufficient to serve the UE, the base station allocates communication resources to the UE, thereby effectively avoiding an overload situation of the base station.

為讓本發明的上述特徵和優點能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。 The above described features and advantages of the invention will be apparent from the following description.

110‧‧‧基地台 110‧‧‧Base station

112‧‧‧收發器模組 112‧‧‧ transceiver module

114‧‧‧通訊協定模組 114‧‧‧Communication Agreement Module

120_1~120_N‧‧‧UE 120_1~120_N‧‧‧UE

S210~S250、S310~S380‧‧‧步驟 S210~S250, S310~S380‧‧‧ steps

圖1是依據本發明之一實施例繪示的基地台與使用者設備的功能方塊圖。 1 is a functional block diagram of a base station and a user equipment according to an embodiment of the invention.

圖2是依據本發明之一實施例繪示的資源分配方法流程圖。 2 is a flow chart of a resource allocation method according to an embodiment of the invention.

圖3是依據圖2實施例繪示的資源分配方法流程圖。 3 is a flow chart of a resource allocation method according to the embodiment of FIG. 2.

圖1是依據本發明之一實施例繪示的基地台與使用者設備的功能方塊圖。在本實施例中,基地台110例如是可與UE 120_1~120_N(N為正整數)進行通訊的增強節點B(enhanced node B,eNodeB)、進階基站(advanced base station,ABS)、巨型蜂巢 式基站(macro-cell base station)、微型蜂巢式基站(pico-cell base station)、或遠端射頻頭(remote radio head,RRH)。基地台110可包括收發器模組112以及通訊協定模組124。收發器模組112例如是協定單元的組件,其支援全域移動通訊系統(global system for mobile communication,GSM)、個人手持電話系統(personal handy-phone system,PHS)、分碼多重存取(code division multiple access,CDMA)系統、無線保真(wireless fidelity,Wi-Fi)系統或全球互通微波存取(worldwide interoperability for microwave access,WiMAX)的信號傳輸以及長程演進(long term evolution,LTE)等。 1 is a functional block diagram of a base station and a user equipment according to an embodiment of the invention. In this embodiment, the base station 110 is, for example, an enhanced node B (eNodeB), an advanced base station (ABS), and a giant hive that can communicate with the UEs 120_1~120_N (N is a positive integer). A macro-cell base station, a pico-cell base station, or a remote radio head (RRH). The base station 110 can include a transceiver module 112 and a communication protocol module 124. The transceiver module 112 is, for example, a component of a protocol unit that supports a global system for mobile communication (GSM), a personal handy-phone system (PHS), and a code division multiple access (code division). Multiple access (CDMA) systems, wireless fidelity (Wi-Fi) systems or global interoperability for microwave access (WiMAX) signal transmission and long term evolution (LTE).

收發器模組114也可包括傳送器電路、接收器電路、類比轉數位(analog-to-digital,A/D)轉換器、數位轉類比(digital-to-analog,D/A)轉換器、低雜訊放大器(low noise amplifier,LNA)、混波器、濾波器、匹配電路、傳輸線、功率放大器(power amplifier,PA)、一或多個天線單元及本地儲存媒體等組件,以為圖1的基地台110提供無線存取。 The transceiver module 114 may also include a transmitter circuit, a receiver circuit, an analog-to-digital (A/D) converter, a digital-to-analog (D/A) converter, Low noise amplifier (LNA), mixer, filter, matching circuit, transmission line, power amplifier (PA), one or more antenna units and local storage media, etc. Base station 110 provides wireless access.

接收器可以包括功能單元以進行如低雜訊放大、阻抗匹配、頻率混波、下頻率轉換、濾波、放大等的操作。傳送器可以包括功能單元以進行如放大、阻抗匹配、頻率混波、上頻率轉換、濾波、功率放大等的操作。A/D轉換器或D/A轉換器被配置以在上行(即,UE至基地台110)信號處理期間轉換類比信號格式為數位信號格式,而在下行(即,基地台110至UE)信號處理期間 轉換數位信號格式為類比信號格式。 The receiver may include functional units for operations such as low noise amplification, impedance matching, frequency mixing, lower frequency conversion, filtering, amplification, and the like. The transmitter may include functional units for operations such as amplification, impedance matching, frequency mixing, upper frequency conversion, filtering, power amplification, and the like. The A/D converter or D/A converter is configured to convert the analog signal format to a digital signal format during uplink (ie, UE to base station 110) signal processing, while the downlink (ie, base station 110 to UE) signals Processing period The converted digital signal format is an analog signal format.

UE 120_1~120_N可個別包括收發器模組、通訊協定模組以及記憶體(未繪示)。以UE 120_1為例,其可包括收發器模組122以及通訊協定模組124。收發器模組122和所述記憶體均可以連接至通訊協定模組124。收發器模組122可以配置用以對來自其覆蓋範圍內其他裝置的信號進行傳輸和接收。收發器模組122可以執行類比數位信號轉換、數位類比信號轉換、調變(Modulation)、解調(Demodulation)、信號放大(signal amplification)、低通濾波(low-pass filtering)以及帶通濾波(bandpass filtering)。例如,收發器經配置用以向通訊協定模組提供已接收信號的資訊、將從通訊協定模組接收到的資料調變成已調變信號,以及將已調變信號傳輸到其他裝置。 The UEs 120_1~120_N may individually include a transceiver module, a communication protocol module, and a memory (not shown). Taking the UE 120_1 as an example, it may include a transceiver module 122 and a communication protocol module 124. Both the transceiver module 122 and the memory can be connected to the communication protocol module 124. The transceiver module 122 can be configured to transmit and receive signals from other devices within its coverage. The transceiver module 122 can perform analog digital signal conversion, digital analog signal conversion, modulation, demodulation, signal amplification, low-pass filtering, and band pass filtering ( Bandpass filtering). For example, the transceiver is configured to provide information of the received signal to the protocol module, to tune the data received from the protocol module to a modulated signal, and to transmit the modulated signal to other devices.

基地台110的通訊協定模組114以及UE 120_1~120_N中的通訊協定模組(例如通訊協定模組124)可以配置用以接收請求訊息(Request Message),並且對所述訊息中的命令進行處理(或根據所述訊息中的參數來執行相應操作)。通訊協定模組可以包括處理器和嵌入式軟體或韌體程式。所述嵌入式軟體或韌體程式可以包括通訊協定堆疊(Communication Protocol Stack)的程式碼。另外,記憶體可以經配置以暫時儲存各種參數或其他資料。UE 120_1~120_N可個別進一步包括其他元件(例如,天線模組),用於實現收發器、通訊協定模組以及記憶體的上述功能。根據基地台110的無線網路實施方案,例如CDMA、WCDMA、GSM、UMTS、 3G、4G、WiMAX、LTE等,而其他元件也可以包含在UE 120_1~120_N以及基地台110中。 The protocol module 114 of the base station 110 and the protocol module (e.g., the protocol module 124) of the UEs 120_1~120_N may be configured to receive a request message and process the commands in the message. (or perform the appropriate action based on the parameters in the message). The protocol module can include a processor and an embedded software or firmware. The embedded software or firmware program may include a code of a Communication Protocol Stack. Additionally, the memory can be configured to temporarily store various parameters or other materials. The UEs 120_1~120_N may further include other components (eg, antenna modules) for implementing the above functions of the transceiver, the protocol module, and the memory. According to the wireless network implementation scheme of the base station 110, such as CDMA, WCDMA, GSM, UMTS, 3G, 4G, WiMAX, LTE, etc., and other components may also be included in the UEs 120_1~120_N and the base station 110.

在本實施例中,UE 120_1~120_N個別的通訊協定模組可將其與一或多個基地台之間的通道品質整合為一個目標清單,並將此目標清單附加於一特定訊號(例如是LTE中定義的量測報告(measurement report))中發送給某基地台,以供此基地台作為通訊資源分配的參考。 In this embodiment, the UE 120_1~120_N individual communication protocol modules can integrate the channel quality between the UE and the one or more base stations into a target list, and attach the target list to a specific signal (for example, The measurement report defined in LTE is sent to a base station for reference by the base station as a communication resource allocation.

以UE 120_1為例,假設其收發器模組122可量測到與多個特定基地台(包括基地台110)之間的通道品質,則通訊協定模組124可依據這些通道品質產生一個目標清單。應了解的是,所述多個特定基地台不限於運作於同一通訊標準的基地台,而可以是分別運作於例如WLAN以及LTE等相異通訊標準的基地台。換言之,所述多個特定基地台可組成一個HetNet。 Taking the UE 120_1 as an example, if the transceiver module 122 can measure the channel quality with a plurality of specific base stations (including the base station 110), the protocol module 124 can generate a target list according to the quality of the channels. . It should be understood that the plurality of specific base stations are not limited to base stations operating in the same communication standard, but may be base stations operating separately for different communication standards such as WLAN and LTE. In other words, the plurality of specific base stations can form a HetNet.

在此目標清單中,UE 120_1的通訊協定模組124可將各個特定基地台以及對應的通道品質以降冪順序排列。亦即,在UE 120_1所產生的目標清單中,排名第一的特定基地台即為對UE 120_1而言具有最佳通道品質的基地台,而排名第二的特定基地台即為對UE 120_1而言具有次佳通道品質的基地台。在UE 120_1的目標清單中的其他特定基地台與UE 120_1之間的通道品質關係應可依據此處教示而推得,在此不再贅述。 In this target list, the communication protocol module 124 of the UE 120_1 can arrange each specific base station and corresponding channel quality in descending order. That is, in the target list generated by the UE 120_1, the specific base station ranked first is the base station having the best channel quality for the UE 120_1, and the specific base station ranked second is the UE 120_1. A base station with sub-optimal channel quality. The channel quality relationship between the other specific base stations in the target list of the UE 120_1 and the UE 120_1 should be derived according to the teachings herein, and details are not described herein.

在通訊協定模組124產生其目標清單之後,通訊協定模組124可控制收發器模組122將此目標清單發送給特定基地台的 其中之一。在一實施例中,通訊協定模組124可控制收發器模組122僅將其目標清單發送至對UE 120_1而言具有最佳通道品質的特定基地台,而不發送給其他的特定基地台。舉例而言,假設UE 120_1與基地台110之間的通道品質對於UE 120_1而言為最佳,則通訊協定模組124可控制收發器模組122將其目標清單發送至基地台110。 After the protocol module 124 generates its target list, the protocol module 124 can control the transceiver module 122 to send the target list to the specific base station. one of them. In one embodiment, the protocol module 124 can control the transceiver module 122 to only send its target list to a particular base station that has the best channel quality for the UE 120_1, but not to other specific base stations. For example, assuming that the channel quality between the UE 120_1 and the base station 110 is optimal for the UE 120_1, the protocol module 124 can control the transceiver module 122 to send its target list to the base station 110.

基於前述教示,UE 120_2~120_N亦可執行相似於UE 120_1的操作而將其個別的目標清單發送至對應的特定基地台,在此不再贅述。 Based on the foregoing teachings, the UEs 120_2~120_N may also perform operations similar to the UE 120_1 to send their individual target lists to the corresponding specific base stations, and details are not described herein again.

圖2是依據本發明之一實施例繪示的資源分配方法流程圖。本實施例提出的方法可由圖1中的基地台110執行,以下即搭配圖1的各個元件說明本方法的詳細步驟。 2 is a flow chart of a resource allocation method according to an embodiment of the invention. The method proposed in this embodiment can be performed by the base station 110 in FIG. 1, and the detailed steps of the method will be described below with the respective components of FIG.

在步驟S210中,收發器模組112可接收對應於至少一UE的至少一目標清單。為了便於說明,以下假設收發器模組112所接收到的所述至少一目標清單是對應於UE 120_1~120_N,但本發明的可實施方式不限於此。值得注意的是,收發器模組112所接收的所述至少一目標清單不一定是由UE 120_1~120_N所發送,而亦可能是由其他的特定基地台所轉發而來,其細節將在之後的篇幅中闡述。 In step S210, the transceiver module 112 can receive at least one target list corresponding to the at least one UE. For convenience of explanation, it is assumed that the at least one target list received by the transceiver module 112 corresponds to the UEs 120_1~120_N, but the embodiments of the present invention are not limited thereto. It should be noted that the at least one target list received by the transceiver module 112 is not necessarily sent by the UEs 120_1~120_N, but may also be forwarded by other specific base stations, and the details will be later. Explain in the space.

接著,在步驟S220中,通訊協定模組114可從UE 120_1~120_N中找出具有最低通道資源需求的UE。所述通道資源需求例如是UE在傳送資料時所需的頻寬大小,但不限於此。 Next, in step S220, the communication protocol module 114 can find the UE with the lowest channel resource requirement from the UEs 120_1~120_N. The channel resource requirement is, for example, a bandwidth required by the UE when transmitting data, but is not limited thereto.

之後,在步驟S230中,通訊協定模組114可判斷基地台110的負載狀態是否足2以服務此UE。若是,通訊協定模組114可接續進行步驟S240;若否,通訊協定模組114可接續進行步驟S250。 Thereafter, in step S230, the communication protocol module 114 can determine whether the load status of the base station 110 is 2 or not to serve the UE. If yes, the protocol module 114 can continue to step S240; if not, the protocol module 114 can continue to step S250.

在一實施例中,基地台110的負載狀態可表徵為基地台110可分配的剩餘頻寬。在此情況下,當具有最低通道資源需求的UE所需的頻寬大小未超過此剩餘頻寬時,通訊協定模組114即判斷基地台110的負載狀態足以服務此UE,因而可接續進行步驟S240。另一方面,當具有最低通道資源需求的UE所需的頻寬大小超過此剩餘頻寬時,通訊協定模組114即判斷基地台110的負載狀態不足以服務此UE,因而可接續進行步驟S250。 In an embodiment, the load status of the base station 110 can be characterized as the remaining bandwidth that the base station 110 can allocate. In this case, when the bandwidth required by the UE with the lowest channel resource requirement does not exceed the remaining bandwidth, the protocol module 114 determines that the load status of the base station 110 is sufficient to serve the UE, and thus the steps can be continued. S240. On the other hand, when the bandwidth required by the UE with the lowest channel resource requirement exceeds the remaining bandwidth, the protocol module 114 determines that the load status of the base station 110 is insufficient to serve the UE, and thus may proceed to step S250. .

在步驟S240中,通訊協定模組112可依據最低通道資源需求對此UE分配通訊資源。具體而言,通訊協定模組112可從尚未分配的剩餘頻寬中分配此UE所需的頻寬給此UE。 In step S240, the communication protocol module 112 can allocate communication resources to the UE according to the minimum channel resource requirement. Specifically, the protocol module 112 can allocate the bandwidth required by the UE to the UE from the remaining bandwidth that has not been allocated.

從另一觀點而言,UE 120_1~120_N並非自行依據與基地台110之間的通道品質而連線至基地台110,而是由基地台110依據其負載狀態判斷是否足以服務UE 120_1~120_N中具有最低通道資源需求的UE。如此一來,本發明提出方法即可避免因大量UE同時連接至基地台110所導致的過載情形。 From another point of view, the UEs 120_1~120_N are not connected to the base station 110 according to the channel quality between the base station 110, but the base station 110 determines whether it is sufficient to serve the UEs 120_1~120_N according to the load status thereof. UE with the lowest channel resource requirements. In this way, the present invention proposes a method to avoid an overload situation caused by a large number of UEs simultaneously connected to the base station 110.

在步驟S250中,通訊協定模組112可不對此UE分配通訊資源,並轉發目標清單中對應於此UE的目標清單。從另一觀點而言,當基地台110連具有最低通道資源需求的UE都無法服務 時,此即代表基地台110的網路使用率已完全地被利用。在此情況下,基地台110可將具有最低通道資源需求的UE的目標清單轉發至所述多個特定基地台的其中之一。 In step S250, the communication protocol module 112 may not allocate communication resources to the UE, and forward the target list corresponding to the UE in the target list. From another point of view, when the base station 110 is connected to the UE with the lowest channel resource requirement, it cannot serve At this time, this means that the network usage of the base station 110 has been fully utilized. In this case, base station 110 may forward the target list of UEs with the lowest channel resource requirements to one of the plurality of particular base stations.

在一實施例中,假設所述多個特定基地台及其通道品質在具有最低通道資源需求的UE的目標清單是以降冪順序排列,則基地台110可在步驟S250中將目標清單轉發給在此目標清單中次於基地台110的特定基地台,亦即與此UE之間的通道品質僅次於基地台110的特定基地台。 In an embodiment, assuming that the plurality of specific base stations and their channel qualities are arranged in descending order of the target list of the UEs having the lowest channel resource requirements, the base station 110 may forward the target list to the The specific base station in the target list that is next to the base station 110, that is, the channel quality with the UE is second only to the specific base station of the base station 110.

在其他實施例中,在步驟S250之後,基地台110可將其在轉發目標清單的同時告知其他特定基地台其已完成資源分配。 In other embodiments, after step S250, base station 110 may inform other specific base stations that they have completed resource allocation while forwarding the target list.

簡言之,本發明提出的基地台110可綜合考量多個UE的資訊以及基地台110的網路資訊,進而能夠有效地避免基地台110發生過載的情形以及增進其網路使用率。另一方面,當基地台110判斷其負載狀態不足以服務對基地台110而言具有最低通道資源需求的UE時,基地台110可將此UE交由其他的特定基地台來服務。換言之,此UE較不會因無意間連接至高負載狀態的某個基地台而被阻擋,而可以由具有服務能力(例如低負載狀態)的基地台來服務。如此一來,整體網路的服務阻擋率即可有效地降低,因而能夠改善使用者的服務體驗。 In short, the base station 110 proposed by the present invention can comprehensively consider the information of multiple UEs and the network information of the base station 110, thereby effectively avoiding the overload of the base station 110 and improving its network usage. On the other hand, when the base station 110 determines that its load status is insufficient to serve the UE having the lowest channel resource requirement for the base station 110, the base station 110 can hand the UE to another specific base station for service. In other words, the UE is less blocked from being inadvertently connected to a certain base station in a high load state, but can be served by a base station having a service capability (for example, a low load state). As a result, the overall network service blocking rate can be effectively reduced, thereby improving the user's service experience.

在其他實施例中,基地台110可透過與其他的特定基地台互相交換負載狀態的方式來決定各個特定基地台分配通訊資源的順序。以基地台110為例,在圖2的步驟S220之前,收發器模 組112可取得其他特定基地台對應的當下負載狀態。並且,通訊協定模組114可判斷基地台110的負載狀態是否高於其他特定基地台對應的各個當下負載狀態。 In other embodiments, the base station 110 can determine the order in which the communication resources are allocated by each specific base station by exchanging load status with other specific base stations. Taking the base station 110 as an example, before the step S220 of FIG. 2, the transceiver module Group 112 can obtain the current load status corresponding to other specific base stations. Moreover, the communication protocol module 114 can determine whether the load status of the base station 110 is higher than each current load status corresponding to another specific base station.

若基地台110的負載狀態高於其他特定基地台對應的各個當下負載狀態,此即代表基地台110是所述多個特定基地台中最接近滿載的,因而可以先於其他特定基地台執行圖2的方法以分配基地台110的通訊資源。在此情況下,由於基地台110將優先將剩餘通訊資源分配給具有最低通訊資源需求的UE,因而能夠有效地避免基地台110發生過載的情形。 If the load status of the base station 110 is higher than the respective current load status corresponding to other specific base stations, this means that the base station 110 is the closest one of the plurality of specific base stations, and thus can execute Figure 2 before other specific base stations. The method is to allocate the communication resources of the base station 110. In this case, since the base station 110 will preferentially allocate the remaining communication resources to the UE having the lowest communication resource requirement, it is possible to effectively avoid the situation in which the base station 110 is overloaded.

若基地台110的負載狀態未高於其他特定基地台對應的各個當下負載狀態,則基地台110可後於所述其他特定基地台分配基地台110的通訊資源。換言之,基地台110將讓其他較重載的特定基地台優先執行圖2的方法以分配對應的通訊資源,因而能夠避免這些特定基地台上發生過載的情形。 If the load status of the base station 110 is not higher than the respective current load status corresponding to the other specific base stations, the base station 110 may allocate the communication resources of the base station 110 to the other specific base stations. In other words, the base station 110 will allow other heavily loaded specific base stations to preferentially perform the method of FIG. 2 to allocate corresponding communication resources, thereby avoiding an overload situation on these particular base stations.

在其他實施例中,由於基地台110的負載狀態可能足以服務一或多個UE,因而可透過圖3所示機制來從所考慮的UE中挑選出適當的UE來分配通訊資源。並且,當基地台110與某UE之間的通道品質太差時,即便基地台110的負載狀態足以服務此UE,基地台110亦可不分配通訊資源給此UE。 In other embodiments, since the load status of the base station 110 may be sufficient to serve one or more UEs, the appropriate UE may be selected from the considered UEs to allocate communication resources through the mechanism shown in FIG. Moreover, when the channel quality between the base station 110 and a certain UE is too poor, even if the load status of the base station 110 is sufficient to serve the UE, the base station 110 may not allocate communication resources to the UE.

請參照圖3,圖3是依據圖2實施例繪示的資源分配方法流程圖。本實施例提出的方法可由圖1中的基地台110執行,以下即搭配圖1的各個元件說明本方法的詳細步驟。 Please refer to FIG. 3. FIG. 3 is a flowchart of a resource allocation method according to the embodiment of FIG. 2. The method proposed in this embodiment can be performed by the base station 110 in FIG. 1, and the detailed steps of the method will be described below with the respective components of FIG.

在步驟S310中,收發器模組112可接收對應於至少一UE的至少一目標清單。在步驟S320中,通訊協定模組114可從UE 120_1~120_N中找出具有最低通道資源需求的UE。在步驟S330中,通訊協定模組114可判斷基地台110的負載狀態是否足以服務此UE。若是,通訊協定模組114可接續進行步驟S340;若否,通訊協定模組114可接續進行步驟S380。步驟S310~S330的細節可參照圖2中步驟S210~S230的說明,在此不再贅述。 In step S310, the transceiver module 112 can receive at least one target list corresponding to the at least one UE. In step S320, the communication protocol module 114 can find the UE with the lowest channel resource requirement from the UEs 120_1~120_N. In step S330, the communication protocol module 114 can determine whether the load status of the base station 110 is sufficient to serve the UE. If yes, the protocol module 114 can continue to step S340; if not, the protocol module 114 can continue to step S380. For details of the steps S310 to S330, refer to the description of steps S210 to S230 in FIG. 2, and details are not described herein again.

在步驟S340中,通訊協定模組114可判斷基地台110與此UE之間的特定通道品質是否低於通道品質門限值。若是,通訊協定模組114可接續進行步驟S380;若否,通訊協定模組114可接續進行步驟S350~S370,並返回步驟S320。所述通道品質門限值例如是此UE的理想通道品質(ideal channel quality,ICQ),其可由設計者自行依需求而設定為任意的指標數值,例如是數值為10的SNR等,但本發明的可實施方式不限於此。 In step S340, the communication protocol module 114 can determine whether the specific channel quality between the base station 110 and the UE is lower than the channel quality threshold. If yes, the protocol module 114 can continue to step S380; if not, the protocol module 114 can continue to perform steps S350-S370 and return to step S320. The channel quality threshold is, for example, an ideal channel quality (ICQ) of the UE, which can be set by the designer to any index value according to requirements, for example, an SNR of 10, etc., but the present invention The embodiments are not limited thereto.

在步驟S380中,通訊協定模組112可不對此UE分配通訊資源,並轉發目標清單中對應於此UE的目標清單。步驟S380的細節可參照圖2中步驟S250的說明,在此不再贅述。 In step S380, the communication protocol module 112 may not allocate communication resources to the UE, and forward the target list corresponding to the UE in the target list. For details of step S380, refer to the description of step S250 in FIG. 2, and details are not described herein again.

換言之,當具有最低通道資源需求的UE與基地台110之間的通道品質太差時,為了避免此UE在使用服務時感受到例如訊號不清楚、不連續的通話過程等不佳的體驗,因此基地台110可將此UE交由其他特定基地台來進行資源分配。 In other words, when the quality of the channel between the UE having the lowest channel resource requirement and the base station 110 is too poor, in order to prevent the UE from experiencing a poor experience such as an unclear signal and a discontinuous call process when using the service, The base station 110 can hand this UE to other specific base stations for resource allocation.

在步驟S350中,通訊協定模組112可依據最低通道資源 需求對此UE分配通訊資源。步驟S350的細節可參照圖2中步驟S240的說明,在此不再贅述。 In step S350, the protocol module 112 can be based on the lowest channel resource. It is required to allocate communication resources to this UE. For details of step S350, refer to the description of step S240 in FIG. 2, and details are not described herein again.

此時,由於基地台110已對具有最低通道資源需求的UE分配通訊資源,因此,通訊協定模組114可在步驟S360中依據此通訊資源更新基地台110的負載狀態。接著,在步驟S370中,通訊協定模組114可從所述至少一UE中排除此UE,並返回步驟S320。也就是說,基地台110可從尚未被分配通訊資源的其他UE中找出具有最低通道資源需求的UE,並據以進行步驟S330~380,其細節在此不再贅述。 At this time, since the base station 110 has allocated communication resources to the UE having the lowest channel resource requirement, the communication protocol module 114 may update the load status of the base station 110 according to the communication resource in step S360. Next, in step S370, the communication protocol module 114 may exclude the UE from the at least one UE, and return to step S320. That is, the base station 110 may find the UE with the lowest channel resource requirement from other UEs that have not been allocated communication resources, and perform steps S330-380 according to the details, and details thereof are not described herein again.

如先前實施例中所教示的,基地台110與其他特定基地台在對各個UE分配通訊資源之前,可先相互交換彼此的負載狀態,以依據各個特定基地台的負載狀態來決定分配通訊資源的順序(例如,較重載的特定基地台先行分配通訊資源)。 As taught in the previous embodiment, the base station 110 and other specific base stations may mutually exchange load states with each other before allocating communication resources to the respective UEs, so as to determine the allocation of communication resources according to the load status of each specific base station. The order (for example, a specific base station that is heavily overloaded allocates communication resources first).

因此,在一實施例中,即便基地台110已完成自身的通訊資源分配操作之後,基地台110不會即刻依據其通訊資源分配操作與其服務的UE建立連線,而將會等到各個特定基地台皆完成對UE的通訊資源分配操作之後,才與基地台110服務的UE建立連線。 Therefore, in an embodiment, even after the base station 110 has completed its own communication resource allocation operation, the base station 110 does not immediately establish a connection with the UE it serves according to its communication resource allocation operation, but will wait for each specific base station. After the communication resource allocation operation for the UE is completed, the connection with the UE served by the base station 110 is established.

綜上所述,本發明實施例提出的資源請求方法及UE可將UE與多個基地台之間的通道品質整合為目標清單,並將此目標清單發送給所述多個其地台的其中之一,進而讓收到目標清單的基地台能夠據以作出最佳的通訊資源分配。本發明實施例提出的資 源分配方法及其基地台可在接收到對應於UE的目標清單之後,依據其負載狀態判斷是否服務所考慮的UE中具有最低通道資源需求的UE。當基地台判斷其負載狀態足以服務此UE時,基地台才會對此UE分配通訊資源。換言之,各個UE並非自行依據其與各個基地台之間的通道品質而決定欲連接的基地台。在此情況下,基地台可以盡可能地分配所剩餘的通訊資源,進而達到高網路使用率的效果。並且,由於基地台不會服務其負載狀態無法負荷的UE,因而能夠同時避免過載的情形發生。 In summary, the resource request method and the UE proposed by the embodiment of the present invention can integrate the channel quality between the UE and the multiple base stations into a target list, and send the target list to the multiple of the platforms. One, in turn, allows the base station receiving the target list to make the best distribution of communication resources. The capital proposed by the embodiment of the invention The source allocation method and its base station may, after receiving the target list corresponding to the UE, determine whether to serve the UE with the lowest channel resource requirement among the considered UEs according to the load status thereof. When the base station determines that its load status is sufficient to serve the UE, the base station will allocate communication resources to the UE. In other words, each UE does not determine the base station to be connected according to the channel quality between it and each base station. In this case, the base station can allocate the remaining communication resources as much as possible, thereby achieving the effect of high network usage. Moreover, since the base station does not serve the UE whose load state cannot be loaded, it is possible to avoid an overload situation at the same time.

雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明的精神和範圍內,當可作些許的更動與潤飾,故本發明的保護範圍當視後附的申請專利範圍所界定者為準。 Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

S210~S250‧‧‧步驟 S210~S250‧‧‧Steps

Claims (18)

一種資源分配方法,適於多個特定基地台中的一基地台,包括:接收對應於至少一使用者設備的至少一目標清單,其中該至少一目標清單中的一第一目標清單包括對應於該第一目標清單的一第一使用者設備與該些特定基地台之間的多個通道品質以及該些特定基地台;從該至少一使用者設備中找出具有一最低通道資源需求的一第二使用者設備;判斷該基地台的一負載狀態是否足以服務該第二使用者設備;以及若是,依據該最低通道資源需求對該第二使用者設備分配一第一通訊資源。 A resource allocation method, applicable to a base station in a plurality of specific base stations, comprising: receiving at least one target list corresponding to at least one user equipment, wherein a first target list in the at least one target list includes a plurality of channel qualities between a first user equipment of the first target list and the specific base stations and the specific base stations; and a first one of the at least one user equipment having a minimum channel resource requirement a user equipment; determining whether a load status of the base station is sufficient to serve the second user equipment; and if yes, allocating a first communication resource to the second user equipment according to the minimum channel resource requirement. 如申請專利範圍第1項所述的資源分配方法,其中當該基地台的該負載狀態不足以服務該第二使用者設備時,不對該第二使用者設備分配該第一通訊資源,並轉發該至少一目標清單中對應於該第二使用者設備的一第二目標清單。 The resource allocation method according to claim 1, wherein when the load state of the base station is insufficient to serve the second user equipment, the first communication resource is not allocated to the second user equipment, and is forwarded. A second target list corresponding to the second user equipment in the at least one target list. 如申請專利範圍第1項所述的資源分配方法,其中各該目標清單中的該些特定基地台依據該些通道品質以一降冪順序排列。 The resource allocation method according to claim 1, wherein the specific base stations in each of the target lists are arranged in a descending order according to the channel qualities. 如申請專利範圍第1項所述的資源分配方法,其中在判斷該基地台的該負載狀態是否足以服務該第二使用者設備的步驟之 前,更包括:判斷該基地台與該第二使用者設備之間的一特定通道品質是否低於一通道品質門限值;若是,不對該第二使用者設備分配該第一通訊資源,並轉發該至少一目標清單中對應於該第二使用者設備的一第二目標清單;以及若否,依據該最低通道資源需求對該第二使用者設備分配該第一通訊資源。 The resource allocation method according to claim 1, wherein the step of determining whether the load state of the base station is sufficient to serve the second user equipment is The method further includes: determining whether a specific channel quality between the base station and the second user equipment is lower than a channel quality threshold; if yes, not assigning the first communication resource to the second user equipment, and forwarding a second target list corresponding to the second user equipment in the at least one target list; and if not, assigning the first communication resource to the second user equipment according to the minimum channel resource requirement. 如申請專利範圍第1項所述的資源分配方法,其中在依據該最低通道資源需求對該第二使用者設備分配該第一通訊資源的步驟之後,更包括:依據該第一通訊資源更新該基地台的該負載狀態;從該至少一使用者設備中排除該第二使用者設備;從該至少一使用者設備中找出具有另一最低通道資源需求的一第三使用者設備;判斷該基地台的該負載狀態是否足以服務該第三使用者設備;若是,依據該另一最低通道資源需求對該第三使用者設備分配一第二通訊資源;以及若否,不對該第三使用者設備分配該第二通訊資源,並轉發該至少一目標清單中對應於該第三使用者設備的一第三目標清單。 The resource allocation method of claim 1, wherein after the step of allocating the first communication resource to the second user equipment according to the minimum channel resource requirement, the method further comprises: updating the first communication resource according to the first communication resource The load state of the base station; excluding the second user equipment from the at least one user equipment; finding a third user equipment having another lowest channel resource requirement from the at least one user equipment; determining the Whether the load status of the base station is sufficient to serve the third user equipment; if yes, assigning a second communication resource to the third user equipment according to the other minimum channel resource requirement; and if not, not for the third user The device allocates the second communication resource, and forwards a third target list corresponding to the third user equipment in the at least one target list. 如申請專利範圍第1項所述的資源分配方法,其中在接收對應於該至少一使用者設備的該至少一目標清單的步驟之前,更包括:取得其他特定基地台對應的至少一當下負載狀態;判斷該負載狀態是否高於該至少一當下負載狀態;若是,先於所述其他特定基地台分配該基地台的一通訊資源;以及若否,後於所述其他特定基地台分配該基地台的該通訊資源。 The resource allocation method of claim 1, wherein before receiving the at least one target list corresponding to the at least one user equipment, the method further comprises: obtaining at least one current load status corresponding to the other specific base stations. Determining whether the load status is higher than the at least one current load status; if yes, allocating a communication resource of the base station prior to the other specific base station; and if not, assigning the base station to the other specific base station The communication resource. 如申請專利範圍第6項所述的資源分配方法,其中在依據該最低通道資源需求對該第二使用者設備分配該第一通訊資源的步驟之後,更包括:在各該特定基地台皆完成對該至少一使用者設備的一通訊資源分配操作之後,與該基地台服務的該至少一使用者設備建立連線。 The resource allocation method according to claim 6, wherein after the step of allocating the first communication resource to the second user equipment according to the minimum channel resource requirement, the method further includes: completing, at each of the specific base stations After a communication resource allocation operation of the at least one user equipment, establishing a connection with the at least one user equipment served by the base station. 一種基地台,包括:一收發器模組,接收對應於至少一使用者設備的至少一目標清單,其中該至少一目標清單中的一第一目標清單包括對應於該第一目標清單的一第一使用者設備與該些特定基地台之間的多個通道品質以及該些特定基地台;以及一通訊協定模組,連接於該收發器模組,從該至少一使用者設備中找出具有一最低通道資源需求的一第二使用者設備;判斷該基地台的一負載狀態是否足以服務該第二使用者設備;以及若 是,依據該最低通道資源需求對該第二使用者設備分配一第一通訊資源。 A base station includes: a transceiver module, receiving at least one target list corresponding to at least one user equipment, wherein a first target list in the at least one target list includes a first one corresponding to the first target list a plurality of channel qualities between the user equipment and the specific base stations and the specific base stations; and a communication protocol module coupled to the transceiver module, and having the at least one user equipment a second user equipment of a minimum channel resource requirement; determining whether a load status of the base station is sufficient to serve the second user equipment; The second user equipment is allocated a first communication resource according to the minimum channel resource requirement. 如申請專利範圍第8項所述的基地台,其中當該基地台的該負載狀態不足以服務該第二使用者設備時,該通訊協定模組不對該第二使用者設備分配該第一通訊資源,並轉發該至少一目標清單中對應於該第二使用者設備的一第二目標清單。 The base station of claim 8, wherein the communication protocol module does not allocate the first communication to the second user equipment when the load status of the base station is insufficient to serve the second user equipment. And forwarding a second target list corresponding to the second user equipment in the at least one target list. 如申請專利範圍第8項所述的基地台,其中各該目標清單中的該些特定基地台依據該些通道品質以一降冪順序排列。 For example, in the base station described in claim 8, wherein the specific base stations in each of the target lists are arranged in a descending order according to the quality of the channels. 如申請專利範圍第8項所述的基地台,其中該通訊協定模組更判斷該基地台與該第二使用者設備之間的一特定通道品質是否低於一通道品質門限值;若是,該通訊協定模組不對該第二使用者設備分配該第一通訊資源,並轉發該至少一目標清單中對應於該第二使用者設備的一第二目標清單;以及若否,該通訊協定模組依據該最低通道資源需求對該第二使用者設備分配該第一通訊資源。 The base station of claim 8, wherein the communication protocol module further determines whether a specific channel quality between the base station and the second user equipment is lower than a channel quality threshold; if yes, The communication protocol module does not allocate the first communication resource to the second user equipment, and forwards a second target list corresponding to the second user equipment in the at least one target list; and if not, the communication protocol module Allocating the first communication resource to the second user equipment according to the minimum channel resource requirement. 如申請專利範圍第8項所述的基地台,其中該通訊協定模組:依據該第一通訊資源更新該基地台的該負載狀態;從該至少一使用者設備中排除該第二使用者設備;從該至少一使用者設備中找出具有另一最低通道資源需求的一第三使用者設備; 判斷該基地台的該負載狀態是否足以服務該第三使用者設備;若是,依據該另一最低通道資源需求對該第三使用者設備分配一第二通訊資源;以及若否,不對該第三使用者設備分配該第二通訊資源,並轉發該至少一目標清單中對應於該第三使用者設備的一第三目標清單。 The base station of claim 8, wherein the communication protocol module: updating the load status of the base station according to the first communication resource; and excluding the second user equipment from the at least one user equipment Finding a third user equipment having another lowest channel resource requirement from the at least one user equipment; Determining whether the load status of the base station is sufficient to serve the third user equipment; if yes, allocating a second communication resource to the third user equipment according to the another lowest channel resource requirement; and if not, not for the third The user equipment allocates the second communication resource, and forwards a third target list corresponding to the third user equipment in the at least one target list. 如申請專利範圍第8項所述的基地台,其中該通訊協定模組:取得其他特定基地台對應的至少一當下負載狀態;判斷該負載狀態是否高於該至少一當下負載狀態;若是,先於所述其他特定基地台分配該基地台的一通訊資源;以及若否,後於所述其他特定基地台分配該基地台的該通訊資源。 The base station of claim 8, wherein the communication protocol module: obtaining at least one current load state corresponding to another specific base station; determining whether the load state is higher than the at least one current load state; if yes, first Allocating a communication resource of the base station to the other specific base station; and if not, distributing the communication resource of the base station to the other specific base station. 如申請專利範圍第13項所述的基地台,其中在各該特定基地台皆完成對該至少一使用者設備的一通訊資源分配操作之後,該通訊協定模組與該基地台服務的該至少一使用者設備建立連線。 The base station of claim 13, wherein the communication protocol module and the base station service are at least after each of the specific base stations completes a communication resource allocation operation for the at least one user equipment A user device establishes a connection. 一種資源請求方法,適於一使用者設備,包括:量測該使用者設備與多個基地台之間的多個通道品質;整合該些通道品質與該些基地台為一目標清單;以及發送該目標清單給該些基地台的其中之一, 其中發送該目標清單給該些基地台的其中之一的步驟包括:僅發送該目標清單至對該使用者設備而言具有一最佳通道品質的一特定基地台。 A resource request method, suitable for a user equipment, includes: measuring a plurality of channel qualities between the user equipment and a plurality of base stations; integrating the channel quality with the base stations as a target list; and transmitting The target list is given to one of the base stations. The step of transmitting the target list to one of the base stations includes transmitting only the target list to a particular base station having an optimal channel quality for the user equipment. 如申請專利範圍第15項所述的資源請求方法,其中整合該些通道品質與該些基地台為該目標清單的步驟包括:將該些基地台依據該些通道品質在該目標清單中以一降冪順序排列。 The resource request method according to claim 15, wherein the step of integrating the channel quality and the base stations as the target list comprises: the base stations according to the channel quality in the target list Arranged in descending order. 一種使用者設備,包括:一收發器模組,量測該使用者設備與多個基地台之間的多個通道品質;以及一通訊協定模組,耦接該收發器模組,整合該些通道品質與該些基地台為一目標清單,並控制該收發器模組發送該目標清單給該些基地台的其中之一,其中該通訊協定模組控制該收發器模組僅發送該目標清單至對該使用者設備而言具有一最佳通道品質的一特定基地台。 A user equipment includes: a transceiver module for measuring a plurality of channel qualities between the user equipment and a plurality of base stations; and a communication protocol module coupled to the transceiver module to integrate the The channel quality and the base stations are a target list, and the transceiver module is controlled to send the target list to one of the base stations, wherein the communication protocol module controls the transceiver module to send only the target list. A specific base station with an optimal channel quality for the user equipment. 如申請專利範圍第17項所述的使用者設備,其中該通訊協定模組將該些基地台依據該些通道品質在該目標清單中以一降冪順序排列。 The user equipment of claim 17, wherein the communication protocol module ranks the base stations in a descending order in the target list according to the channel qualities.
TW103131329A 2014-09-11 2014-09-11 Resource allocating method, base station, resource requesting method and user equipment TWI555423B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW103131329A TWI555423B (en) 2014-09-11 2014-09-11 Resource allocating method, base station, resource requesting method and user equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW103131329A TWI555423B (en) 2014-09-11 2014-09-11 Resource allocating method, base station, resource requesting method and user equipment

Publications (2)

Publication Number Publication Date
TW201611642A TW201611642A (en) 2016-03-16
TWI555423B true TWI555423B (en) 2016-10-21

Family

ID=56085340

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103131329A TWI555423B (en) 2014-09-11 2014-09-11 Resource allocating method, base station, resource requesting method and user equipment

Country Status (1)

Country Link
TW (1) TWI555423B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101127700A (en) * 2007-08-16 2008-02-20 武汉理工大学 Grid resource scheduling method based on network bandwidth and user charge
US20110183679A1 (en) * 2010-01-22 2011-07-28 Samsung Electronics Co. Ltd. Method and apparatus for scheduling resource allocation to control inter-cell interference in a cellular communication system, and base station thereof
CN102223677A (en) * 2011-07-04 2011-10-19 重庆邮电大学 Switching method and switching system based on IASA (inter access system anchor) load balancing device
CN102711262A (en) * 2012-07-02 2012-10-03 北京交通大学 Downlink chain resource allocation method for heterogeneous network
US20130100804A1 (en) * 2010-01-28 2013-04-25 Verizon Patent And Licensing Inc. Data offloading at wireless node
TW201320779A (en) * 2011-08-31 2013-05-16 Sony Corp Method and device of managing wireless network coding
US20130242783A1 (en) * 2012-03-16 2013-09-19 Qualcomm Incorporated System and Method of Offloading Traffic to a Wireless Local Area Network
US20130316709A1 (en) * 2010-12-21 2013-11-28 Nec Corporation Neighbor list optimization apparatus, neighbor list generation apparatus, base station apparatus, neighbor list optimization method, and non-transitory computer readable medium
US20140043966A1 (en) * 2012-08-07 2014-02-13 Lg Electronics Inc. Method for data traffic offloading and apparatus using the same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101127700A (en) * 2007-08-16 2008-02-20 武汉理工大学 Grid resource scheduling method based on network bandwidth and user charge
US20110183679A1 (en) * 2010-01-22 2011-07-28 Samsung Electronics Co. Ltd. Method and apparatus for scheduling resource allocation to control inter-cell interference in a cellular communication system, and base station thereof
US20130100804A1 (en) * 2010-01-28 2013-04-25 Verizon Patent And Licensing Inc. Data offloading at wireless node
US20130316709A1 (en) * 2010-12-21 2013-11-28 Nec Corporation Neighbor list optimization apparatus, neighbor list generation apparatus, base station apparatus, neighbor list optimization method, and non-transitory computer readable medium
CN102223677A (en) * 2011-07-04 2011-10-19 重庆邮电大学 Switching method and switching system based on IASA (inter access system anchor) load balancing device
TW201320779A (en) * 2011-08-31 2013-05-16 Sony Corp Method and device of managing wireless network coding
US20130242783A1 (en) * 2012-03-16 2013-09-19 Qualcomm Incorporated System and Method of Offloading Traffic to a Wireless Local Area Network
CN102711262A (en) * 2012-07-02 2012-10-03 北京交通大学 Downlink chain resource allocation method for heterogeneous network
US20140043966A1 (en) * 2012-08-07 2014-02-13 Lg Electronics Inc. Method for data traffic offloading and apparatus using the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Andrews, J., Singh, S., Qiaoyang Ye, Xingqin Lin, Dhillon, H., "An overview of load balancing in hetnets: old myths and open problems", Wireless Communications, IEEE, Vol.21, pp.18-25, April 2014 *

Also Published As

Publication number Publication date
TW201611642A (en) 2016-03-16

Similar Documents

Publication Publication Date Title
US20200221360A1 (en) Method and apparatus for controlling selection of the solution for wlan and unlicensed spectrum usage
KR102125786B1 (en) Handover method, base station and terminal equipment
US9084165B2 (en) Systems and methods for deployment operations for small cells in self-organizing networks
RU2651575C2 (en) Managing selection of subsystem of mobility and/or access between cells
US11882494B2 (en) Mobile devices, network nodes and methods of operating the same
EP3146763B1 (en) A user equipment, a network node and methods therein for enabling radio admission control (rac) of device-to-device (d2d) services
US9380594B1 (en) Autonomous layer management
US10779223B2 (en) Priority and broadcasting in a network serving LTE, eMTC, and NB-IoT
CN110870346B (en) Apparatus and method for base station load distribution in wireless communication system
US11096076B2 (en) Prioritized cell identification and measurement method
US20230180185A1 (en) Power saving sensing for reduced sensing ues using resource re-evaluation and resource pre-emption
CN106797614B (en) Wireless base station, mobile station, wireless communication system, method for controlling wireless base station, and recording medium
CN114765903A (en) System and method for enhanced sidelink power control
US10681702B2 (en) Communication method and device
US20230180186A1 (en) Power saving sensing for reduced sensing ues using partial sensing and additional sensing with a prioritized resource selection window
TWI555423B (en) Resource allocating method, base station, resource requesting method and user equipment
CN112514444A (en) System and method for providing assistance data to a radio access network
JP6244868B2 (en) base station
US20240073706A1 (en) Uplink performance using multiple wireless devices
JP7418589B2 (en) User terminal and wireless communication method
EP4367917A1 (en) Network node, user equipment and methods performed therein
JP6905974B2 (en) User device and communication method