CN113038605B - Method and device for scheduling uplink channel and computer readable storage medium - Google Patents
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- H04W72/20—Control channels or signalling for resource management
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- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The disclosure relates to a scheduling method and device for an uplink channel and a computer readable storage medium, and relates to the technical field of communication. The method comprises the following steps: configuring an available uplink channel time slot of a high-frequency carrier and an available uplink channel time slot of a low-frequency carrier by using a time division multiplexing mode; and sending a scheduling instruction generated according to the configuration result to the terminal so that the terminal can send uplink information in the available uplink channel time slot on the high-frequency carrier or the low-frequency carrier according to the scheduling instruction.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method, an apparatus, and a computer-readable storage medium for scheduling an uplink channel.
Background
At present, the technical bottleneck of NR (New Radio, new air interface) is that its uplink coverage is low; and the utilization rate of uplink resources of the existing network of LTE (Long Term Evolution ) is low.
In the related art, the terminal may be enabled to support the NR high frequency uplink Carrier and the LTE low frequency uplink Carrier concurrently through a CA (Carrier aggregation) technique.
Disclosure of Invention
The inventors of the present disclosure found that the following problems exist in the related art described above: the number of downlink carriers needs to be greater than or equal to that of uplink carriers, so that the resource utilization rate is low and the network performance is reduced.
In view of this, the present disclosure provides a scheduling technical solution for an uplink channel, which can improve resource utilization and network performance.
According to some embodiments of the present disclosure, a method for scheduling an uplink channel is provided, including: configuring an available uplink channel time slot of a high-frequency carrier and an available uplink channel time slot of a low-frequency carrier by using a time division multiplexing mode; and sending a scheduling instruction generated according to the configuration result to the terminal so that the terminal can send uplink information in the available uplink channel time slot on the high-frequency carrier or the low-frequency carrier according to the scheduling instruction.
In some embodiments, configuring the available uplink channel time slots of the low frequency carrier comprises: scheduling a plurality of transmitters to transmit high-power uplink signals together on high-frequency carriers, wherein the transmitting power of the high-power uplink signals exceeds a safety threshold of the transmitting power; and adjusting the number of available uplink channel time slots of the low-frequency carrier so that the average transmission power of the uplink channel is less than or equal to the safety threshold.
In some embodiments, scheduling the plurality of transmitters to collectively transmit the high power uplink signal on the high frequency carrier comprises: through the DCI (Downlink Control Information), the current transmitter of the low-frequency carrier is scheduled to switch to the high-frequency carrier, and transmits a high-power uplink signal together with the current transmitter of the high-frequency carrier.
In some embodiments, a time slot interval between each downlink channel time slot and a corresponding available uplink channel time slot in the low frequency carrier is configured according to each available uplink channel time slot of the low frequency carrier, and the scheduling instruction is further generated according to the time slot interval.
In some embodiments, the slot interval is a slot interval between a PDCCH (Physical Downlink Control Channel) and a/N (Acknowledgement/non-Acknowledgement) information, or a slot interval between PDCCH information and PUSCH (Physical Uplink Shared Channel) information.
According to other embodiments of the present disclosure, there is provided an uplink channel scheduling apparatus, including: a time slot configuration unit, configured to configure an available uplink channel time slot of a high frequency carrier and an available uplink channel time slot of a low frequency carrier in a time division multiplexing manner; and the sending unit is used for sending the scheduling instruction generated according to the configuration result to the terminal so that the terminal sends the uplink information in the available uplink channel time slot on the high-frequency carrier or the low-frequency carrier according to the scheduling instruction.
In some embodiments, the apparatus further comprises: and the scheduling unit is used for scheduling the plurality of transmitters to jointly transmit the high-power uplink signal on the high-frequency carrier, wherein the transmitting power of the high-power uplink signal exceeds the safety threshold of the transmitting power.
In some embodiments, the time slot configuration unit adjusts the number of available uplink channel time slots of the low frequency carrier such that the average transmit power of the uplink channel is less than or equal to the safety threshold.
In some embodiments, the scheduling unit schedules the current transmitter of the low-frequency carrier to switch to the high-frequency carrier through the DCI, and transmits the high-power uplink signal together with the current transmitter of the high-frequency carrier.
In some embodiments, the interval configuration unit is configured to configure, according to each available uplink channel timeslot of the low-frequency carrier, a timeslot interval between each downlink channel timeslot and a corresponding available uplink channel timeslot in the low-frequency carrier, where the scheduling instruction is further generated according to the timeslot interval.
In some embodiments, the slot interval is a slot interval of PDCCH information and a/N information, or a slot interval of PDCCH information and PUSCH information.
According to still other embodiments of the present disclosure, there is provided a scheduling apparatus of an uplink channel, including: a memory; and a processor coupled to the memory, the processor configured to perform the method for scheduling an uplink channel in any of the above embodiments based on instructions stored in the memory device.
According to still further embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method for scheduling an uplink channel in any of the above embodiments.
In the above embodiment, the uplink time slots of the high-frequency carrier and the low-frequency carrier are configured according to a time division multiplexing manner, and the interval between the uplink channel time slot and the downlink channel time slot for transmitting the relevant signal in the low-frequency carrier is configured. Therefore, the terminal can send the uplink information on the high-frequency carrier and the low-frequency carrier in a time division multiplexing mode, and therefore resource utilization rate and network performance are improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:
fig. 1 shows a flow chart of some embodiments of a scheduling method of an uplink channel of the present disclosure;
fig. 2 shows a schematic diagram of some embodiments of a scheduling method of an uplink channel of the present disclosure;
fig. 3 is a schematic diagram illustrating further embodiments of the scheduling method for uplink channels according to the present disclosure;
fig. 4 shows a block diagram of some embodiments of a scheduling apparatus of an uplink channel of the present disclosure;
fig. 5 shows a block diagram of further embodiments of a scheduling apparatus of an uplink channel of the present disclosure;
fig. 6 is a block diagram of some further embodiments of the scheduling apparatus for uplink channels according to the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As mentioned above, the CA technology has the following features: one logic cell comprises 1 downlink carrier and 1 uplink carrier; the terminal supports concurrence of two uplink carriers; the terminal monitors two downlink cells at the same time, and obtains respective PUSCHs (physical uplink shared channels) scheduled by UL grants.
However, the CA technology has the following technical problems: the terminal needs to support the function of concurrence of two uplink carriers; CA requires the number of downlink carriers to be more than or equal to that of uplink carriers, and the condition that 1 downlink two uplink carriers cannot be supported; the terminal is limited to only two sets of transmitters, wherein one set of transmitter is fixed at a low frequency (such as 2.1 GHz) and the other set of transmitter is fixed at a high frequency (such as 3.5 GHz), so that the terminal can only transmit at 3.5GHz and does not support high-power (such as 26 dBm) transmission.
In view of the above technical problems, the present disclosure provides an uplink channel scheduling technical solution capable of flexibly configuring carriers. Under the condition that a system has a plurality of carriers, a base station can flexibly configure different modes (high frequency or low frequency) for a user to meet different scene requirements, and the different modes can be switched semi-statically or dynamically. For example, the technical solutions of the present disclosure can be implemented by the following embodiments.
Fig. 1 shows a flow chart of some embodiments of the scheduling method of an uplink channel of the present disclosure.
As shown in fig. 1, the method includes: step 110, configuring available uplink channel time slots; and step 130, sending the generated scheduling command.
In step 110, the available uplink channel timeslot of the high frequency carrier and the available uplink channel timeslot of the low frequency carrier are configured in a time division multiplexing manner.
In some embodiments, multiple transmitters are scheduled to transmit a high power uplink signal in common on a high frequency carrier. The transmit power of the high power upstream signal exceeds a safe threshold for transmit power, such as 26dBm. And adjusting the number of available uplink channel time slots of the low-frequency carrier so that the average transmission power of the uplink channel is less than or equal to the safety threshold.
For example, the current transmitter of the low frequency carrier may be scheduled to switch to the high frequency carrier through DCI, and transmit a high power uplink signal together with the current transmitter of the high frequency carrier.
In step 130, a scheduling instruction generated according to the configuration result is sent to the terminal, so that the terminal sends uplink information in an available uplink channel time slot on the high frequency carrier or the low frequency carrier according to the scheduling instruction.
In some embodiments, the method further comprises a step 120 of configuring a slot interval. For example, in step 120, a time slot interval between each downlink channel time slot and a corresponding available uplink channel time slot in the low frequency carrier is configured according to each available uplink channel time slot of the low frequency carrier. The scheduling instructions are also generated according to the slot interval.
In some embodiments, the time slot interval is a time slot interval between a downlink channel time slot for transmitting PDCCH information and an uplink channel time slot for transmitting a/N information; or the time slot interval is the time slot interval between the downlink channel time slot for sending the PDCCH information and the uplink channel time slot for sending the PUSCH information.
In the above embodiment, the uplink time slots of the high-frequency carrier and the low-frequency carrier are configured according to a time division multiplexing manner, and the interval between the uplink channel time slot and the downlink channel time slot for transmitting the relevant signal in the low-frequency carrier is configured. Therefore, the terminal can send the uplink information on the high-frequency carrier and the low-frequency carrier in a time division multiplexing mode, and therefore resource utilization rate and network performance are improved.
In some embodiments, the terminal may be scheduled to transmit uplink information in a time division multiplexing manner on two carriers of a high frequency (e.g., 3.5 GHz) and a low frequency (e.g., 2.1 GHz). That is, the terminal transmits uplink information on only one carrier at the same time.
In some embodiments, the terminal may employ two sets of transmitters to transmit signals, one set being fixed for high frequency transmission and the other set being dynamically switched (e.g., according to DCI) for transmission on both high and low frequency carriers.
In this way, the base station can configure the terminal to transmit the uplink signal at a high frequency and a large transmission power. Namely, the terminal can use two sets of transmitters to transmit uplink signals at 3.5GHz, thereby supporting the use of high power of 26dBm to transmit uplink signals at 3.5 GHz.
In some embodiments, the base station may configure the terminal with a low-frequency available uplink timeslot; and determines K1 (the number of time slots between PDCCH and A/N) and K2 (the number of time slots between PDCCH and PUSCH) according to the available low-frequency uplink channel time slots.
In the above embodiment, super uplink is realized based on uplink carrier aggregation, thereby improving NR uplink capacity and uplink coverage, and reducing delay.
In some embodiments, a transmitter (antenna) of the terminal at 2.1GHz may be scheduled on a 3.5GHz carrier, and the uplink signal may be transmitted with the terminal at a 3.5GHz native antenna. The two sets of antennas share a transmit power of 23dBm, i.e. the average of the transmit power of the antennas is below a safety threshold (e.g. less than 26 dBm). For example, the uplink channel may be scheduled in this case by the embodiment in fig. 2.
Fig. 2 shows a schematic diagram of some embodiments of the scheduling method of an uplink channel of the present disclosure.
As shown in fig. 2, there are two allocable resources since there are two antennas at 3.5 GHz; 2.1GHz has one block of allocable resources. Each time slot of 3.5GHz is 0.5ms; each practice at 2.1GHz is 1ms.
The time slot labeled D is an available downlink channel time slot and the time slot labeled U is an available uplink channel time slot. The time slot marked S is a special time slot for switching between the downlink channel and the uplink channel. For example, the front part of the symbols of S is used for downlink channel, the middle part of the symbols is used for uplink and downlink switching, and the rear part of the symbols is used for uplink channel.
According to the time division multiplexing mode, an available uplink channel time slot of 3.5GHz and an available uplink channel time slot of 2.1GHz as shown in the figure can be configured. For example, 2.1GHz does not transmit uplink signals in the shaded portion of the time slot to avoid the 3.5GHz available uplink channel time slot.
Since the shaded portion time slot cannot transmit the uplink signal, the interval between the available downlink channel time slot and the available uplink channel time slot for transmitting the relevant signal at 2.1GHz needs to avoid the shaded portion time slot.
For example, in the case of the originals K1=1, K2=1, and the originals K1=3, K2=3, the shaded portion slots are not involved, and thus it is not necessary to adjust the slot interval; under the original conditions of K1=2 and K2=2, the corresponding available uplink channel timeslot of the available downlink channel timeslot is just the shaded timeslot, and then the corresponding symbols of the shaded portion in the available uplink channel timeslot need to be avoided, and a corresponding plurality of symbols are delayed, so as to determine the corresponding available uplink channel timeslot for the available downlink channel timeslot.
In some embodiments, a transmitter (antenna) of the terminal at 2.1GHz may be scheduled on a 3.5GHz carrier, and the uplink signal may be transmitted with the terminal at a 3.5GHz native antenna. The two sets of antennas respectively adopt 23dBm of transmitting power, so that the antennas can adopt 26dBm of high power exceeding a safety threshold value to transmit uplink signals. For example, the uplink channel may be scheduled by the embodiment in fig. 3 in order to bring the transmit power average of the antennas below a safety threshold of 26dBm.
Fig. 3 is a schematic diagram illustrating further embodiments of the uplink channel scheduling method according to the present disclosure.
As shown in fig. 3, the number of available uplink channel slots at 2.1GHz is adjusted compared to the embodiment in fig. 2 in order to bring the average transmit power of the antenna at high and low frequencies below the safety threshold of 26dBm. For example, the number of available uplink channel slots at 2.1GHz in a cycle may be reduced from 4 to 2.
In this case, in the original cases of K1=1 and K2=1, if the corresponding available uplink channel timeslot of the available downlink channel timeslots is just the shaded timeslot, the shaded timeslot in the available uplink channel timeslots needs to be avoided, and the corresponding available uplink channel timeslot is determined for the available downlink channel timeslot by one timeslot.
In some embodiments, the scheduling of the uplink channel may be performed by the following steps.
In step 1, the terminal reports that the terminal has the capability of supporting the realization of super uplink based on carrier aggregation.
In step 2, the base station configures the function of realizing super uplink based on carrier aggregation for the terminal. For example, the base station may configure the maximum transmission power (exceeding a safety threshold) for the terminal in the high-frequency uplink frequency band; and the base station configures available uplink channel time slots for the terminal in the low-frequency uplink frequency band.
In step 3, the terminal starts a function of supporting the realization of super uplink based on carrier aggregation.
In step 4, the base station dynamically schedules the terminal to perform feedback of the a/N information or transmission of the PUSCH information at a high frequency or a low frequency through the DCI.
In step 5, the terminal analyzes K1 and K2 in the DCI according to the low-frequency available uplink channel slot configured by the base station, and performs feedback of a/N information or transmission of PUSCH information at a high frequency or a low frequency according to an instruction of the base station.
Fig. 4 shows a block diagram of some embodiments of a scheduling apparatus of an uplink channel of the present disclosure.
As shown in fig. 4, the scheduling apparatus 4 for an uplink channel includes a slot configuration unit 41 and a transmission unit 43.
The timeslot configuration unit 41 configures an available uplink channel timeslot of the high frequency carrier and an available uplink channel timeslot of the low frequency carrier in a time division multiplexing manner.
The sending unit 43 sends a scheduling instruction generated according to the configuration result to the terminal, so that the terminal sends uplink information in an available uplink channel timeslot on the high frequency carrier or the low frequency carrier according to the scheduling instruction.
In some embodiments, the scheduling apparatus 4 further comprises an interval configuration unit 42. The interval configuration unit 42 configures a time slot interval between each downlink channel time slot and a corresponding available uplink channel time slot in the low frequency carrier according to each available uplink channel time slot of the low frequency carrier. The scheduling instructions are also generated according to the slot interval. For example, the slot interval is a slot interval between PDCCH information and a/N information or a slot interval between PDCCH information and PUSCH information.
In some embodiments, the scheduling apparatus 4 further includes a scheduling unit 44 for scheduling a plurality of transmitters to jointly transmit the high-power uplink signal on the high-frequency carrier. The transmission power of the high-power uplink signal exceeds a safety threshold of the transmission power. The time slot configuration unit 41 adjusts the number of available uplink channel time slots of the low frequency carrier so that the average transmission power of the uplink channel is less than or equal to the safety threshold.
In some embodiments, the scheduling unit 44 schedules the current transmitter of the low frequency carrier to switch to the high frequency carrier through the DCI, and transmits the high power uplink signal together with the current transmitter of the high frequency carrier.
In the above embodiment, the uplink time slots of the high-frequency carrier and the low-frequency carrier are configured according to a time division multiplexing manner, and the interval between the uplink channel time slot and the downlink channel time slot for transmitting the relevant signal in the low-frequency carrier is configured. Therefore, the terminal can send the uplink information on the high-frequency carrier and the low-frequency carrier in a time division multiplexing mode, and therefore the resource utilization rate and the network performance are improved.
Fig. 5 is a block diagram of another embodiment of the scheduling apparatus for uplink channels according to the present disclosure.
As shown in fig. 5, the scheduling apparatus 5 for an uplink channel according to this embodiment includes: a memory 51 and a processor 52 coupled to the memory 51, wherein the processor 52 is configured to execute the scheduling method of the uplink channel in any embodiment of the present disclosure based on instructions stored in the memory 51.
The memory 51 may include, for example, a system memory, a fixed nonvolatile storage medium, and the like. The system memory stores, for example, an operating system, application programs, a boot loader, a database, and other programs.
Fig. 6 is a block diagram of some further embodiments of the scheduling apparatus for uplink channels according to the present disclosure.
As shown in fig. 6, the scheduling apparatus 6 for an uplink channel according to this embodiment includes: a memory 610 and a processor 620 coupled to the memory 610, wherein the processor 620 is configured to execute the scheduling method of the uplink channel in any of the foregoing embodiments based on instructions stored in the memory 610.
The memory 610 may include, for example, system memory, fixed non-volatile storage media, and the like. The system memory stores, for example, an operating system, an application program, a boot loader, and other programs.
The scheduler 6 of the uplink channel may further include an input/output interface 630, a network interface 640, a storage interface 650, and the like. These interfaces 630, 640, 650 and the connections between the memory 610 and the processor 620 may be through a bus 660, for example. The input/output interface 630 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, and a touch screen. The network interface 640 provides a connection interface for various networking devices. The storage interface 650 provides a connection interface for external storage devices such as an SD card and a usb disk.
As will be appreciated by one of skill in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media having computer-usable program code embodied therein.
Up to this point, a scheduling method of an uplink channel, a scheduling apparatus of an uplink channel, and a computer-readable storage medium according to the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. Those skilled in the art can now fully appreciate how to implement the teachings disclosed herein, in view of the foregoing description.
The method and system of the present disclosure may be implemented in a number of ways. For example, the methods and systems of the present disclosure may be implemented in software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A scheduling method of an uplink channel comprises the following steps:
configuring an available uplink channel time slot of a high-frequency carrier and an available uplink channel time slot of a low-frequency carrier by using a time division multiplexing mode;
sending a scheduling instruction generated according to a configuration result to a terminal so that the terminal can send uplink information in an available uplink channel time slot on a high-frequency carrier or a low-frequency carrier according to the scheduling instruction;
the configuring the available uplink channel time slot of the low-frequency carrier comprises the following steps:
scheduling a plurality of transmitters to transmit high-power uplink signals together on high-frequency carriers, wherein the transmission power of the high-power uplink signals exceeds a safety threshold of the transmission power;
and adjusting the number of available uplink channel time slots of the low-frequency carrier so that the average transmission power of an uplink channel is less than or equal to the safety threshold.
2. The scheduling method of claim 1, wherein the scheduling the plurality of transmitters to jointly transmit the high power uplink signal on the high frequency carrier comprises:
and scheduling the current transmitter of the low-frequency carrier to switch to the high-frequency carrier through Downlink Control Information (DCI), and transmitting a high-power uplink signal together with the current transmitter of the high-frequency carrier.
3. The scheduling method according to claim 1 or 2, further comprising:
configuring a time slot interval between each downlink channel time slot and a corresponding available uplink channel time slot in the low-frequency carrier according to each available uplink channel time slot of the low-frequency carrier;
wherein,
the scheduling instructions are also generated according to the time slot interval.
4. The scheduling method of claim 3,
the time slot interval is the time slot interval of the PDCCH information and the response/non-response A/N information or the time slot interval of the PDCCH information and the PUSCH information of the physical uplink shared channel.
5. An apparatus for scheduling an uplink channel, comprising:
a time slot configuration unit, configured to configure an available uplink channel time slot of a high frequency carrier and an available uplink channel time slot of a low frequency carrier in a time division multiplexing manner;
a sending unit, configured to send a scheduling instruction generated according to a configuration result to a terminal, so that the terminal sends uplink information in an available uplink channel timeslot on a high-frequency carrier or a low-frequency carrier according to the scheduling instruction;
the scheduling unit is used for scheduling a plurality of transmitters to jointly transmit high-power uplink signals on high-frequency carriers, and the transmitting power of the high-power uplink signals exceeds a safety threshold of the transmitting power;
wherein,
the time slot configuration unit adjusts the number of available uplink channel time slots of the low-frequency carrier, so that the average transmission power of the uplink channel is smaller than or equal to the safety threshold.
6. The scheduling apparatus of claim 5,
and the scheduling unit schedules the current transmitter of the low-frequency carrier to switch to the high-frequency carrier through the DCI, and transmits a high-power uplink signal together with the current transmitter of the high-frequency carrier.
7. The scheduling apparatus of claim 5 or 6, further comprising:
an interval configuration unit, configured to configure, according to each available uplink channel timeslot of the low-frequency carrier, a timeslot interval between each downlink channel timeslot in the low-frequency carrier and a corresponding available uplink channel timeslot;
wherein the scheduling instruction is further generated according to the time slot interval.
8. The scheduling apparatus of claim 7,
the time slot interval is the time slot interval of the PDCCH information and the response/non-response A/N information or the time slot interval of the PDCCH information and the PUSCH information of the physical uplink shared channel.
9. An apparatus for scheduling an uplink channel, comprising:
a memory; and
a processor coupled to the memory, the processor configured to execute the method for scheduling of uplink channels according to any one of claims 1-4 based on instructions stored in the memory.
10. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the method for scheduling an uplink channel according to any one of claims 1 to 4.
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| CN110574481A (en) * | 2017-04-27 | 2019-12-13 | 高通股份有限公司 | Sharing of Long Term Evolution (LTE) uplink spectrum |
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| CN110574481A (en) * | 2017-04-27 | 2019-12-13 | 高通股份有限公司 | Sharing of Long Term Evolution (LTE) uplink spectrum |
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