CN101217715A - Indoor base station system - Google Patents
Indoor base station system Download PDFInfo
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- CN101217715A CN101217715A CNA200710153065XA CN200710153065A CN101217715A CN 101217715 A CN101217715 A CN 101217715A CN A200710153065X A CNA200710153065X A CN A200710153065XA CN 200710153065 A CN200710153065 A CN 200710153065A CN 101217715 A CN101217715 A CN 101217715A
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Abstract
The invention provides an interior base station system which is a distributed base station system and mainly comprises a base band module and a radio frequency module. The base band module and the radio frequency module which are arranged independently are remote connected. The base band module is used for transceiving and processing base band signals and is connected with a base station controller; the radio frequency module is used for receiving and processing radio frequency signals. Obviously, by utilizing the existing cable network construction, the invention can facilitate interior full dimensional cover of the wireless networks; furthermore, the invention can realize the full dimensional cover of wireless communication networks without changing any parts of buildings. Therefore, the realization of the invention can effectively solve capacity and deep cover of the interior cover and greatly reduce network-building cost of the interior cover.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of indoor base station system.
Background technology
In mobile radio network, indoor covering is the more scabrous overlay area of Virtual network operator always.For CDMA (code division multiple access) system, along with constantly carrying out of data service, the demand of indoor good covering is more and more urgent.How effectively solving the contradiction of indoor covering and capacity, satisfy the demand of voice-and-data business simultaneously, is that cordless communication network covers the realistic problem that must solve.
In addition, most buildings do not look to the future the mobile network at indoor covering problem at first stage of construction, just can not remain for the various interface and the network foundation design of wireless coverage in advance in advance yet.This existing objective condition makes that again the layout construction of the indoor covering of wireless network is difficult more, and this has just further increased the network construction cost of indoor covering.
Along with the continuous progress of society, building is also more and more stronger to stopping with buffer action of wireless signal.Make indoor covering worse and worse, and people are more and more stronger to the demand of indoor covering.
In order comprehensively to overcome the above problems and contradiction, a kind of method that adopts is at present: on the network macros base station, by power output that increases the base station or the method that increases the website number, to increase indoor wireless coverage degree.
Increase the power output of base station or increase the method for website number by the network macros base station, when increasing, must increase the construction cost of network macros base station greatly indoor wireless coverage.And, because the construction in building spreads all over the place, can not build according to the website of base station, with regard to the more base station of needs the building is carried out comprehensive covering like this.In addition, in the setting up procedure of base station, the selection of website and difficulty thereof, rent take also very huge with engineering cost.
However, still can't solve for the covering of indoor deep layer, for example, the zone line of megastore, escalator, beneath layer or the like.Therefore, this technical scheme has only solved capacity problem and the indoor covering problem of part, and does not solve indoor covering problem fully.
For solving indoor covering problem, another scheme that also provides at present is specially: adopt the method for the little base station of network (or repeater)+indoor distributed antenna, solve indoor wireless coverage problem.This method can effectively solve the problem of indoor covering and deep layer covering.
Yet this scheme exists still that networking is dumb, need change problems such as parts, the subsequent expansion ability relevant with frequency range such as antenna be relatively poor when different frequency range uses.And, the very difficult complexity of the project installation of indoor distributed antenna, engineered more.Therefore, the installation of this indoor distributed antenna or even be not allowed in some high-grade building, do not allow to carry out the building of any transformation construction for some, do not provide a kind of feasible assurance cordless communication network the good solution that covers at present especially.
Simultaneously, the project installation expense of spaced antenna is higher, also no small expense at last for operator, and therefore, higher installation cost does not obviously meet the benefits of operators requirement.
In addition, this technical scheme also exists the shortcoming of off-capacity.That is to say that the implementation of this solution covering problem can only satisfy a small amount of voice+low volume data user's needs.To a large amount of voice+demand datas, then resolution ability a little less than.Promptly this scheme has only solved covering problem, and does not solve capacity problem.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of indoor base station system, both can guarantee the capacity of wireless communication system, simultaneously, can also solve the indoor covering problem of wireless communication system.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of indoor base station system, comprise baseband module and radio-frequency module, zoom out between the independent separately baseband module that is provided with and radio-frequency module and be connected, described baseband module is used for baseband signal is received and dispatched processing, and be connected with base station controller, described radio-frequency module is used for radiofrequency signal is received and dispatched processing.
Zoom out by the wire transmission media between described baseband module and radio-frequency module and be connected.
Described wire transmission media comprises: telephone wire, Ethernet cable, optical fiber, coaxial cable.
Described baseband module also is connected with the power distribution module, described power distribution module input is connected with power supply signal, and being used for the data of baseband module are synthetic with described power supply signal and/or be carried on different circuits respectively and send to radio-frequency module, radio-frequency module obtains the data of power supply and baseband module by the power distribution module.
Described baseband module adopts 19 inches normal structures.
Described baseband module also is connected with GPS antenna system, is used to receive gps satellite signal, and as the synchronised clock source of base station system.
The present invention also provides another kind of indoor base station system, comprises a baseband module, a power distribution module and one group of radio-frequency module; A described baseband module sends the data to each radio-frequency module that independently is provided with that one group of radio-frequency module comprises by a described power distribution module, and described each radio-frequency module then sends to the baseband module that links to each other with base station controller with the data that receive.
Another kind of indoor base station system provided by the invention, comprise one group of baseband module, one group of power distribution module and at least one group of radio-frequency module, each baseband module in described one group of baseband module is connected with a power distribution module respectively, and links to each other with one group of radio-frequency module respectively; Each baseband module difference or unification that described one group of baseband module comprises are connected with base station controller by a baseband module.
Each baseband module that comprises in described one group of baseband module receives antenna-feedback system with same GPS respectively and is connected.
Adopt a level downlink connection between each baseband module that described one group of baseband module comprises, adopt multiple spot that single-point is connected between each radio-frequency module that described one group of radio-frequency module comprises and baseband module.
As seen from the above technical solution provided by the invention, the present invention utilizes existing cable network construction just can realize the indoor omnibearing covering of wireless network, and, need not change any position of building, can realize that just comprehensive cordless communication network covers.
Realization of the present invention has also solved the capacity and the deep layer covering problem of indoor covering simultaneously, and reduces the networking cost of indoor covering greatly.In addition, the distinctive system configuration of the present invention makes back to smooth evolution that it can also network enabled, and goes for all mobile networks, as WCDMA (Wideband Code Division Multiple Access (WCDMA)) system, and CDMA (code division multiple access) system, GSM (global system for mobile communications) etc.
Among the present invention, each radio-frequency module approximately can cover 1～5 layer, 50～200 meters scope according to the size of data traffic and the building structure of actual building.Simultaneously, the radio-frequency module described in the present invention can be supported the 450M/800M/1.9G/2.1G full frequency band.Thereby, can satisfy the needs of application.
Description of drawings
Fig. 1 is the structural representation of indoor base station system of the present invention;
Fig. 2 is the application structure schematic diagram of system of the present invention.
Embodiment
Core of the present invention is to have adopted the mode of Base-Band Processing part and the distributed setting of Radio frequency Processing Unit, RF Processing Unit to realize indoor base station system, with the indoor covering that solves mobile public network and the problem of capacity, has solved cost and full frequency band support issue simultaneously.
What indoor base station system of the present invention adopted is distributed PICO (slightly) base station system, and concrete structure comprises as shown in Figure 1:
Baseband module: link to each other with base station controller, be used for base band uplink and downlink signal is handled, realize that promptly the transmitting-receiving of baseband signal is handled, baseband module links to each other with the radio-frequency module that zooms out;
Radio-frequency module: the independent radio-frequency module that is provided with is by carrying out the mutual of data between telephone wire or Ethernet cable and baseband module, this module comprises processing sections such as intermediate frequency process, power amplifier and duplexer, and the transmitting-receiving that is used for radiofrequency signal is handled;
Power distribution module: receive the data of baseband module by electricity mouthful or light mouth, and itself and power supply are sent to the radio-frequency module that each zooms out by Ethernet cable or telephone wire after synthetic.
Described baseband module is specially by Ethernet cable (being commonly called as netting twine) and is connected with the BSC (base station controller) of far-end, and can carry out the transfer of data of Abis mouth by the ether public network.
Described baseband module also is connected with GPS (GPS (Global Position System)) antenna-feedback system, is used to carry out the reception of gps satellite signal, thereby provides the clock source for the base station.
Below in conjunction with Fig. 1 the operation principle of system of the present invention is further described.
Baseband module is used to finish and being connected and all Base-Band Processing and base station system management of BSC; It comprises Abis interface processing, clock and master control processing, baseband signal modulation and channel coding/decoding processing etc.; Baseband module output IQ digital signal and clock are given the power distribution module.
The power distribution module is synthesized IQ signal, clock, power supply signal, give different far-end RF modules respectively, also each signal can be carried on the radio-frequency module that sends to far-end in the different transmission lines respectively, for example, give radio-frequency module by transmission line different in the ethernet line; Thereby realize any resource allocation between baseband module and radio-frequency module to multiple spot; Finish power conversion, supply and the power management of base station system simultaneously; In concrete application process, baseband module and power distribution module can be arranged at together, be convenient to installation administration.
Radio-frequency module is finished wired to wireless conversion, and finishes wireless transmission-receiving function; Comprise down-conversion on the IQ numeral, the DQM modulation and demodulation, down-conversion on the radio frequency, power amplification and LNA receive and amplify duplexer and built-in aerial etc.; Comprise built-in dual-mode antenna in the described radio-frequency module;
GPS antenna system is finished the reception of gps satellite signal, for base station system provides the synchronised clock source; It comprises parts such as gps antenna, feeder line, radio frequency reception, down-conversion and clock demodulation.
The present invention is based on the indoor base station system of above-mentioned simple structure, a kind of a plurality of radio-frequency modules that comprise also are provided, and the indoor base station system of a plurality of baseband modules and power distribution module.In the described system, 1 to 1 configuration of baseband module and power distribution module, and both volume sizes, mounting means are basic identical, are installed together usually; Baseband module and radio-frequency module be by 1 to 9 configuration, i.e. 9 radio-frequency modules that zoom out of 1 baseband module support, and as shown in Figure 1, the employing multiple spot is connected single-point between each radio-frequency module and baseband module.
In the described system, but common 3～4 grades of baseband module maximum cascades, and promptly a distributed PICO base station system maximum can be made up of 3～4 baseband modules, power distribution module and 27～36 radio-frequency modules, as shown in Figure 2.At this moment, the baseband module of described 3～4 cascades still only needs a GPS receiving system of connection (being GPS antenna system) to get final product.Certainly baseband module also can be set to the cascade more than 4 grades as required.
Simultaneously, indoor base station system provided by the invention also makes the resource-sharing that can realize channel resource in the described baseband module, and promptly the channel resource in 1 baseband module can dynamically be distributed to 9 radio-frequency modules and uses; Therefore, the invention solves the many few demands of some user of some radio-frequency module user, improve utilization rate of channel resources.
The convenience of using for installing, described baseband module adopts 19 inches normal structures, can be arranged in the building in any power distribution room or the cable convertor room; Concrete mounting means can be selected to insert in distributing frame or other racks, also can adopt other mounting meanss such as wall hanging.
Radio-frequency module among the present invention then adopts and the hidden design of the miniaturization of environment harmony, physical dimension: 27CM * 20CM * 4CM; Distribution is installed on need cover and provide services on the Internet Anywhere indoor.Only need provide several to telephone wire or 1 network interface, radio-frequency module gets final product operate as normal.Each radio-frequency module can cover 1～5 layer, 50～200 meters scope according to the size of data traffic and the building structure of actual building.Simultaneously, radio-frequency module is supported the 450M/800M/1.9G/2.1G full frequency band.And radio-frequency module is safeguarded also and conveniently.
The power supply of radio-frequency module is far supplied by telephone wire or Ethernet cable by the power distribution module; And a power distribution module can be supported the power supply of 9 radio-frequency modules.And can manage power supply and backup power supply system, thereby be very easy to base station and dynamo-electric partly centralized management and maintenance thereof, the various protections, fault alarm reporting, battery charging management of power supply etc. promptly are provided.The power supply of radio-frequency module is far supplied by telephone wire or Ethernet cable by the power distribution module.
Handle at the clock of distributed PICO base station, adopt baseband module configuration 1 cover GPS receiver, radio-frequency module adopts telephone wire or Ethernet cable to carry out the design of clock transfer.Like this, a whole set of base station system only needs an external gps antenna just can satisfy the demand, and cost is low and safe and reliable.
The present invention, the indoor covering networking of described system is used as shown in Figure 2, comprising:
The some groups of radio-frequency modules that are used for distributed PICO (slightly) base station (being indoor base station system), every group of radio-frequency module links to each other by Ethernet cable or telephone wire with the power distribution module with a baseband module respectively, and between a plurality of baseband modules behind the cascade, be connected with base station controller by 1 baseband module, also can be connected with base station controller simultaneously by several baseband modules;
Simultaneously, in Fig. 2, one in described each baseband module also is connected with a GPS reception antenna-feedback system (being the GPS receiving unit), is used to receive gps satellite signal, guarantees the synchronous of indoor base station system.
The networking because telephone wire or Ethernet cable are absolutely necessary in top-grade building and building construction in the future, distribution is wide and cost is low.That is to say that telephone wire or Ethernet cable all are easy in the place that indoor covering demand is arranged obtain.Like this, the present invention can save a large amount of project installation expenses in implementation procedure, make that networking speed is fast, and cost is low.Therefore, the invention solves the problem of covering, capacity, cost, for indoor covering provides preferable solution.
In addition, in the place that does not have telephone wire or Ethernet cable, the present invention also can adopt other transmission mediums such as optical fiber, coaxial cable to be connected between described radio-frequency module and the baseband module, thereby has guaranteed the adaptable scope of the present invention.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. indoor base station system, it is characterized in that, comprise baseband module and radio-frequency module, zoom out between the independent separately baseband module that is provided with and radio-frequency module and be connected, described baseband module is used for baseband signal is received and dispatched processing, and be connected with base station controller, described radio-frequency module is used for radiofrequency signal is received and dispatched processing.
2. indoor base station system according to claim 1 is characterized in that, zooms out by the wire transmission media between described baseband module and radio-frequency module to be connected.
3. indoor base station system according to claim 2 is characterized in that, described wire transmission media comprises: telephone wire, Ethernet cable, optical fiber, coaxial cable.
4. according to claim 1,2 or 3 described indoor base station systems, it is characterized in that, described baseband module also is connected with the power distribution module, described power distribution module input is connected with power supply signal, and being used for the data of baseband module are synthetic with described power supply signal and/or be carried on different circuits respectively and send to radio-frequency module, radio-frequency module obtains the data of power supply and baseband module by the power distribution module.
5. indoor base station system according to claim 4 is characterized in that, described baseband module adopts 19 inches normal structures.
6. according to claim 1,2 or 3 described indoor base station systems, it is characterized in that described baseband module also is connected with GPS antenna system, be used to receive gps satellite signal, and as the synchronised clock source of base station system.
7. an indoor base station system is characterized in that, comprises a baseband module, a power distribution module and one group of radio-frequency module; A described baseband module sends the data to each radio-frequency module that independently is provided with that one group of radio-frequency module comprises by a described power distribution module, and described each radio-frequency module then sends to the baseband module that links to each other with base station controller with the data that receive.
8. indoor base station system, it is characterized in that, comprise one group of baseband module, one group of power distribution module and at least one group of radio-frequency module, each baseband module in described one group of baseband module is connected with a power distribution module respectively, and links to each other with one group of radio-frequency module respectively; Each baseband module difference or unification that described one group of baseband module comprises are connected with base station controller by a baseband module.
9. indoor base station system according to claim 8 is characterized in that, each baseband module that comprises in described one group of baseband module receives antenna-feedback system with same GPS respectively and is connected.
10. according to Claim 8 or 9 described indoor base station systems, it is characterized in that, adopt a level downlink connection between each baseband module that described one group of baseband module comprises, adopt multiple spot that single-point is connected between each radio-frequency module that described one group of radio-frequency module comprises and baseband module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710153065XA CN101217715A (en) | 2005-03-11 | 2005-03-11 | Indoor base station system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200710153065XA CN101217715A (en) | 2005-03-11 | 2005-03-11 | Indoor base station system |
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| CNB2005100561064A Division CN100358380C (en) | 2005-03-11 | 2005-03-11 | Indoor base station system |
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| CN101217715A true CN101217715A (en) | 2008-07-09 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131201A (en) * | 2010-01-18 | 2011-07-20 | 中国联合网络通信集团有限公司 | Information source automatic selection method and system for solution of indoor wireless network |
| CN101389145B (en) * | 2008-10-13 | 2012-03-21 | 北京东方信联科技有限公司 | System for implementing indoor covering in WCDMA network |
| CN102523591A (en) * | 2011-12-15 | 2012-06-27 | 福建邮科通信技术有限公司 | Method for using telephone line to transmit femtocell signal to carry out indoor coverage |
| CN102652404A (en) * | 2009-12-10 | 2012-08-29 | Lg电子株式会社 | Repeater apparatus for simultaneously transceiving signals in a wireless communication system, and method for same |
| CN103812665A (en) * | 2012-11-13 | 2014-05-21 | 深圳国人通信有限公司 | Power supply method of broadband distribution system |
| CN104919728A (en) * | 2012-09-25 | 2015-09-16 | 康宁光电通信有限责任公司 | Power distribution module(s) for distributed antenna systems, and related power units, components, systems, and methods |
| WO2016184158A1 (en) * | 2015-10-12 | 2016-11-24 | 中兴通讯股份有限公司 | Indoor distribution system and working method thereof |
| WO2016198008A1 (en) * | 2015-12-28 | 2016-12-15 | 中兴通讯股份有限公司 | Resource management method, device and system for indoor distributed antenna system |
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2005
- 2005-03-11 CN CNA200710153065XA patent/CN101217715A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389145B (en) * | 2008-10-13 | 2012-03-21 | 北京东方信联科技有限公司 | System for implementing indoor covering in WCDMA network |
| CN102652404B (en) * | 2009-12-10 | 2015-10-14 | Lg电子株式会社 | The simultaneously transponder device of receiving and transmitting signal and method thereof in wireless communication system |
| CN102652404A (en) * | 2009-12-10 | 2012-08-29 | Lg电子株式会社 | Repeater apparatus for simultaneously transceiving signals in a wireless communication system, and method for same |
| CN102131201B (en) * | 2010-01-18 | 2014-05-21 | 中国联合网络通信集团有限公司 | Information source automatic selection method and system for solution of indoor wireless network |
| CN102131201A (en) * | 2010-01-18 | 2011-07-20 | 中国联合网络通信集团有限公司 | Information source automatic selection method and system for solution of indoor wireless network |
| CN102523591B (en) * | 2011-12-15 | 2015-01-07 | 中邮科通信技术股份有限公司 | Method for using telephone line to transmit femtocell signal to carry out indoor coverage |
| CN102523591A (en) * | 2011-12-15 | 2012-06-27 | 福建邮科通信技术有限公司 | Method for using telephone line to transmit femtocell signal to carry out indoor coverage |
| CN104919728A (en) * | 2012-09-25 | 2015-09-16 | 康宁光电通信有限责任公司 | Power distribution module(s) for distributed antenna systems, and related power units, components, systems, and methods |
| CN103812665A (en) * | 2012-11-13 | 2014-05-21 | 深圳国人通信有限公司 | Power supply method of broadband distribution system |
| WO2016184158A1 (en) * | 2015-10-12 | 2016-11-24 | 中兴通讯股份有限公司 | Indoor distribution system and working method thereof |
| CN106571931A (en) * | 2015-10-12 | 2017-04-19 | 中兴通讯股份有限公司 | Indoor distribution system and work method thereof |
| CN106571931B (en) * | 2015-10-12 | 2020-12-04 | 中兴通讯股份有限公司 | Indoor distribution system and working method thereof |
| WO2016198008A1 (en) * | 2015-12-28 | 2016-12-15 | 中兴通讯股份有限公司 | Resource management method, device and system for indoor distributed antenna system |
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