CN101272548B - Base station system and communication networking method - Google Patents

Base station system and communication networking method Download PDF

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Publication number
CN101272548B
CN101272548B CN200810066807XA CN200810066807A CN101272548B CN 101272548 B CN101272548 B CN 101272548B CN 200810066807X A CN200810066807X A CN 200810066807XA CN 200810066807 A CN200810066807 A CN 200810066807A CN 101272548 B CN101272548 B CN 101272548B
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base station
station system
unit
mode
network controller
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CN101272548A (en
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吴旺军
夏迎九
朱强
孙树杰
张希文
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The invention discloses a base station system which includes a main control unit used for managing the base station system; a middle radiofrequency unit used for processing middle radiofrequency signals; a base band unit used for processing base band signals; a transmission unit which is connected with a network controller through a transmission interface; a model management unit used for allocating different working models of the base station system according to the networking forms of the base station system in a communication network; a first carrier frequency interface which is used for being communicated with a connected upper grade device during cascaded networks and a second carrier frequency interface which is used for being communicated with a connected lower grade device during the cascaded networks. The base station system which is provided by the embodiment of the invention can take part in the communication networking through working in different working models so as to support the flexible model of the communication networking. The base station system is convenient for operators to dilate, can reuse original equipment, avoids eliminating old base stations to reestablish new base stations and protects the investments of the operators.

Description

Base station system and communication networking method
Technical field
The present invention relates to communication technical field, relate in particular to a kind of base station system and communication networking method.
Background technology
A kind of base station system logical architecture is as shown in Figure 1; Comprise transport module 107, main control module 112, BB (BaseBand; Base band) module 105, radio frequency intermediate frequency (RF/IF) module 101 and interface (first interface, 103, the second interfaces 109) etc., base station system is further communicated by letter with network controller.On the data feedback channel; Under the control of main control module, from the signal process RF/IF resume module of eating dishes without rice or wine, for example: rf filtering amplification, down-conversion, analog-to-digital conversion, digital filtering etc.; Become baseband signal; Then in BB module process Base-Band Processing, for example: separate to be in harmonious proportion and decipher, finally communicate information to network controller through transport module.On the down going channel, under the control of main control module, from the signal of network controller; Through transport module, and BB module Base-Band Processing, for example: coding and modulation; Pass through the RF/IF resume module again, for example: digital-to-analogue conversion, up-conversion filtering are amplified, and finally through antenna signal are launched.Main control module among Fig. 1, transport module, BB module etc. are logic modules, and intermodule connects the topological representation logic connecting relation.
The logic function basically identical that base station system comprised of different systems, but physics realization has different schemes.For base station system shown in Figure 1, need carry out the logical architecture analysis, realize the mapping from the logical architecture to the physical structure.
In realizing process of the present invention, if the inventor finds existing base station system when needing dilatation, can only build jumbo base station again.Again build jumbo base station operator is meaned the increase investment, original base station is eliminated simultaneously, and the original investment of operator can not get protection.
Summary of the invention
The embodiment of the invention provides a kind of base station system, comprising:
Main control unit is used to manage said base station system;
Middle radio frequency unit is connected with said main control unit, is used for handling radiofrequency signal;
Base Band Unit is used for processing base band signals;
Transmission unit is connected with said Base Band Unit, and is connected with network controller through coffret;
The schema management unit is connected with transmission unit with said middle radio frequency unit, main control unit, Base Band Unit, is used for disposing said base station system and being operated in the different working pattern according to the networking form of said base station system at communication network;
First radio interface and second radio interface, said first radio interface are used for when cascade network and the upper level devices communicating that is connected, when said second radio interface is used for cascade network with the next stage devices communicating that is connected.
The embodiment of the invention also provides a kind of communication networking method, comprising:
A network controller is connected with at least one aforesaid base station system, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in the base station mode of operation.
The embodiment of the invention also provides a kind of communication networking method, comprising:
A network controller is connected with at least one aforesaid base station system;
Said at least one base station system is connected with the non-network controller equipment of at least one next stage simultaneously, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in master control Base Band Unit mode of operation.
The embodiment of the invention also provides a kind of communication networking method, comprising:
At least one aforesaid base station system is connected with the non-network controller equipment of upper level, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in the carrier frequency mode of operation.
Embodiment in the technique scheme has following advantage: the base station system that the embodiment of the invention provides can be participated in communication networking through being operated in the different working pattern; Such as: carry out networking as base station or BBU or RRU, thereby support networking communication system mode flexibly.The networking communication system mode is convenient to operator's dilatation flexibly, can multiplexing original equipment, and avoid eliminating old base station and build new base station again, the investment of protection operator.The base station system that the embodiment of the invention provides can further be supported the communication of multiple communication standard, multiple frequency range, is convenient to operator and commences business neatly, has reduced the networking cost of operator.The base station system that the embodiment of the invention provides can be that operator provides a solution highly integrated and cost is extremely low to the few area of traffic carrying capacity, has increased the flexibility of operator's networking.
Description of drawings
Fig. 1 is base station system logical architecture figure in the prior art;
Fig. 2 is an embodiment of the invention base station system structural representation;
Fig. 3 is that embodiment of the invention base station system is operated in the function logic configuration diagram under the base station mode;
Fig. 4 is that embodiment of the invention base station system is operated in the function logic configuration diagram under the master control Base Band Unit pattern;
Fig. 5 is that embodiment of the invention base station system is operated in the function logic configuration diagram under the carrier-frequency mode;
Fig. 6 is a kind of communication networking structural representation of the embodiment of the invention;
Fig. 7 is a kind of communication networking structural representation of the embodiment of the invention;
Fig. 8 is a kind of communication networking structural representation of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.
Need to prove; The communication standard of base station system or communication pattern include but not limited in the embodiment of the invention: global mobile base station system (Global System for mobile Communication; Abbreviation " GSM ") standard, code division multiple access (Code Division Multiple Access; Abbreviation " CDMA ") standard, micro-wave access to global intercommunication (Worldwide Interoperability for Microwave Access; Abbreviation " WiMAX ") standard, WCDMA (Wideband Code Division Multiple Access; Abbreviation " WCDMA ") standard, TD SDMA (Time Division SynchronousCodeDivision Multiple Access SCDMA; Abbreviation " TD-SCDMA ") standard, CDMA 2000 (Code Division Multiple Access 2000; Abbreviation " CDMA2000 ") standard, personal handyphone system (Personal Handyphone System; Abbreviation " PHS ") standard, cluster standard, Long Term Evolution (Long Term Evolution is called for short " LTE ") standard, AIE (Air InterfaceEvolution is called for short " AIE ") standard etc.
A kind of base station system structural representation that the embodiment of the invention provides is as shown in Figure 2.
Base station system 201 can be referred to as an AOM (All in One Module), promptly realizes the communication base station of a complete function with a module.
Base station system 201 comprises: main control unit 209, manage whole base station system, and comprise the Operation and Maintenance and the communication signaling processing of base station system, and system clock is provided;
Multimode multiband RF/IF unit 203, promptly radio frequency unit in the multimode multiband is connected with main control unit 209, antenna feeder, the processing of radiofrequency signal in the completion.For example: rf filtering, amplification, digital-to-analogue conversion, analog-to-digital conversion, modulation etc.Multiple communication standard (for example: GSM, CDMA, WCDMA, CDMA2000 is supported in multimode multiband RF/IF unit 203; PHS, WiMAX, LTE, ATE) and the middle radio frequency processing of multiple frequency range; For example: support the 800M of GSM standard, 900M, 1800M, many frequency ranges of 1900M; The 900M of WCDMA standard, 1900M, frequency ranges such as 2100M.
Multimode multiband RF/IF unit 203 specifically is operated in certain communication standard; Or a few kinds of communication standards; Or radio frequency correlation function parameter and configuration parameter under certain frequency range of certain communication standard; For example: parameters such as carrier wave, frequency band, modulation scheme, encrypt/decrypt, data protocol can be that the demand according to operator is arranged in the multimode multiband RF/IF unit 203 in advance; Also can be to be stored in the rf-mode identification card, come loading parameters through the rf-mode identification card is inserted the interface of reserving on the multimode multiband RF/IF unit 203 with the mode of plug-in card then.It also can be the independent radio-frequency enabled card of making of radio frequency part with different frequency range in the multimode multiband RF/IF unit 203; For example make: GSM800M radio-frequency enabled card; GSM900M radio-frequency enabled card is then through inserting the radio-frequency enabled processing unit that the interface of reserving on the multimode multiband RF/IF unit 203 loads different frequency range with the radio-frequency enabled card with the mode of plug-in card.Through changing the radio-frequency enabled card, just can change the working frequency range of multimode multiband RF/IF unit 203.
Because rf-mode identification card or radio-frequency enabled card are relatively independent equipment; Through connecting different rf-mode identification cards or radio-frequency enabled card; Such as: GSM single mode rf-mode identification card, GSM/WCDMA bimodulus rf-mode identification card, GSM800M radio-frequency enabled card etc.; Can be so that simpler to the setting of the mode of operation of multimode multiband RF/IF unit 203, Operation and Maintenance is more convenient.
BB unit 215, promptly Base Band Unit is used to accomplish the processing of baseband signal, and for example: of processing such as coding, decoding, modulation, demodulation, spread spectrum, despreading is perhaps multinomial.
Transmission unit 217 is connected with BB unit 215, is connected with the network controller of base station system upper level through coffret 211 simultaneously.
External interface 205 is used for the interface that is connected with external equipment, for example: power interface, maintenance interface, outer monitoring interface etc.
Two radio interface: the first radio interface 207a and the second radio interface 207b, one of them radio interface is used for when cascade network and the upper level devices communicating that is connected, and another radio interface is used for when cascade network and the next stage devices communicating that is connected.These two radio interface can be the CPRI interfaces that meets public general radio interface (Common Public Radio Interface is called for short " CPRI ") standard agreement.
Schema management unit 213; Be connected with transmission unit 217 with multimode multiband RF/IF unit 203, main control unit 209, BB unit 215; Be used for according to the networking form of base station system 201 at communication network, configurating base station system 201 is operated under the different working pattern.
One of ordinary skill in the art will appreciate that schema management unit 213 can be an independent functional units, also can be the functional unit that is integrated in the main control unit 209.
One of ordinary skill in the art will appreciate that each functional unit in the base station system 301 in the embodiment of the invention and the interconnective form of interface unit can be other forms such as core bus, panel bus or CPRI electricity mouthful cable mode.
The mode of operation of base station system 201 can be divided into three kinds, and first kind can be called the base station mode of operation, and second kind can be called master control Base Band Unit mode of operation, and the third can be called the carrier frequency mode of operation.
When base station system 201 works in base station mode of operation following time under the configuration of schema management unit 213, its function logic framework can be with reference to figure 3.
Base station system 201 works in base station mode of operation following time, on the data feedback channel, under the control of main control unit; From the signal process RF/IF cell processing of eating dishes without rice or wine; For example: rf filtering amplification, down-conversion, analog-to-digital conversion, digital filtering etc. become baseband signal, then the process Base-Band Processing in the BB unit; For example: separate to be in harmonious proportion and decipher, finally communicate information to network controller through transmission unit.On the down going channel, under the control of main control unit, from the signal of network controller; Through transmission unit, and BB unit Base-Band Processing, for example: coding and modulation; Pass through the RF/IF cell processing again, for example: digital-to-analogue conversion, up-conversion filtering are amplified, and finally through antenna signal are launched.Base station system 201 can further connect the carrier frequency unit through radio interface (207a, 207b) and carry out dilatation, for example connects wireless extension unit (RemoteRadio Unit is called for short " RRU ").
When base station system 201 works in Base Band Unit mode of operation following time under the configuration of schema management unit 213, its function logic framework can be with reference to figure 4.
Base station system 201 works in master control Base Band Unit mode of operation following time; Base station system 201 is similar to baseband processing unit (the Base Band Unit in the distributed base station; Abbreviation " BBU "), only carries out the relevant treatment of master control, transmission and base band, the relevant treatment of radio frequency in no longer carrying out.Base station system 201 can further connect the carrier frequency unit through radio interface (207a, 207b) and carry out dilatation, for example connects wireless extension unit (Remote Radio Unit is called for short " RRU ").
When base station system 201 works in carrier frequency mode of operation following time under the configuration of schema management unit 213, its function logic framework can be with reference to figure 5.
Base station system 201 works in carrier frequency mode of operation following time, and base station system 201 is similar to the RRU in the distributed base station, and the relevant treatment of radio frequency in only carrying out is no longer transmitted and the relevant treatment of base band.Base station system 201 can further connect the carrier frequency unit through radio interface (207a, 207b) and carry out dilatation, for example connects wireless extension unit (Remote Radio Unit is called for short " RRU ").
The base station system that the embodiment of the invention provides can be according to the needs networking neatly of operator in communication network.
Referring to Fig. 6, a kind of communication networking method of the embodiment of the invention.
Link to each other with network controller 601 through coffret with AOM_201b like aforesaid base station system AOM_201a.Because two AOM all only are connected with the network controller of upper level, two AOM among the figure all are operated under the mode of operation of base station.Be appreciated that as previously mentioned the standard and the frequency range of two AOM work can be configured to different systems, different frequency range according to the demand of operator.
Referring to Fig. 7, a kind of communication networking method of the embodiment of the invention.
Link to each other with network controller 601 through coffret with AOM_201d like aforesaid base station system AOM_201c; Base station system AOM_201c also is connected with the next stage carrier frequency equipment with AOM_201d simultaneously, so AOM_201c and AOM_201d among the figure all are operated under the master control Base Band Unit mode of operation.Base station system AOM_201e is connected with the non-network controller equipment of upper level, is connected with next stage carrier frequency equipment RRU_703b simultaneously, so base station system AOM_201e is operated under the carrier frequency mode of operation.Be appreciated that as previously mentioned the standard of AOM (201c, 201d, 201e) work and frequency range can be according to the demand configurations of operator.
Referring to Fig. 8, a kind of communication networking method of the embodiment of the invention.
Be connected with the non-network controller equipment B of upper level BU_805b like aforesaid base station system AOM_201f, be connected with next stage carrier frequency equipment RRU_703d simultaneously, so base station system AOM_201f is operated under the carrier frequency mode of operation.Be connected with upper level carrier frequency equipment RRU_703c like aforesaid base station system AOM_201g, so base station system AOM_201g is operated under the carrier frequency mode of operation.The standard and the frequency range that are appreciated that AOM (201f, 201g) work can be according to the demand configurations of operator.
Description through above execution mode one of ordinary skill in the art will appreciate that: the base station system that the embodiment of the invention provides can be participated in communication networking through being operated in the different working pattern; Such as: carry out networking as base station or BBU or RRU, thereby support networking communication system mode flexibly.The networking communication system mode is convenient to operator's dilatation flexibly, can multiplexing original equipment, and avoid eliminating old base station and build new base station again, the investment of protection operator.The base station system that the embodiment of the invention provides can further be supported the communication of multiple communication standard, multiple frequency range, is convenient to operator and commences business neatly, has reduced the networking cost of operator.The base station system that the embodiment of the invention provides can be that operator provides a solution highly integrated and cost is extremely low to the few area of traffic carrying capacity, has increased the flexibility of operator's networking.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can add hardware mode by software and realize.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product and hardware product.
The above only is an execution mode of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. a base station system is characterized in that, comprising:
Main control unit is used to manage said base station system;
Middle radio frequency unit is connected with said main control unit, is used for handling radiofrequency signal;
Base Band Unit is used for processing base band signals;
Transmission unit is connected with said Base Band Unit, and is connected with network controller through coffret;
The schema management unit is connected with transmission unit with said middle radio frequency unit, main control unit, Base Band Unit, is used for disposing said base station system and being operated in the different working pattern according to the networking form of said base station system at communication network; With
First radio interface and second radio interface, said first radio interface are used for when cascade network and the upper level devices communicating that is connected, and with the next stage devices communicating that is connected, wherein, said mode of operation comprised when said second radio interface was used for cascade network:
One of base station mode of operation, master control Base Band Unit mode of operation, carrier frequency mode of operation or its combination in any.
2. base station system as claimed in claim 1 is characterized in that, said schema management unit is according to the networking form of said base station system in communication network, disposes said base station system and is operated in the different working pattern and comprises:
If said base station system only is connected with the upper level network controller, the said base station system of then said schema management configuration of cells is operated in the base station mode of operation.
3. base station system as claimed in claim 1 is characterized in that, said schema management unit is according to the networking form of said base station system in communication network, disposes said base station system and is operated in the different working pattern and comprises:
If said base station system is connected with the upper level network controller, connect the non-network controller equipment of next stage simultaneously, the said base station system of then said schema management configuration of cells is operated in master control Base Band Unit mode of operation;
If said base station system is connected with the non-network controller equipment of upper level, the said base station system of then said schema management configuration of cells is operated in the carrier frequency mode of operation.
4. like each described base station system of claim 1 to 3, it is characterized in that said middle radio frequency unit is radio frequency unit in the multimode multiband of the middle radio frequency processing of multiple communication standard of support and multiple frequency range.
5. base station system as claimed in claim 4 is characterized in that, radio frequency unit further comprises in the said multimode multiband:
The rf-mode identification card is used for the radio frequency correlation function parameter and the configuration parameter that are provided with in advance are loaded in the said multimode multiband radio frequency unit, and radio frequency unit is according to the parameter work of said loading in the said multimode multiband.
6. base station system as claimed in claim 4 is characterized in that, radio frequency unit further comprises in the said multimode multiband:
The radio-frequency enabled card is used for inserting the radio-frequency enabled processing unit that the interface of reserving on the said multimode multiband radio frequency unit loads different frequency range.
7. base station system as claimed in claim 1 is characterized in that, said schema management unit is the functional unit that is integrated in the said main control unit.
8. a communication networking method is characterized in that, comprising:
A network controller is connected like each described base station system of claim 1 to 7 with at least one, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in the base station mode of operation.
9. a communication networking method is characterized in that, comprising:
A network controller is connected like each described base station system of claim 1 to 7 with at least one;
Said at least one base station system is connected with the non-network controller equipment of at least one next stage simultaneously, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in master control Base Band Unit mode of operation.
10. a communication networking method is characterized in that, comprising:
At least one is connected with the non-network controller equipment of upper level like each described base station system of claim 1 to 7, and said at least one base station system of the schema management configuration of cells in said at least one base station system is operated in the carrier frequency mode of operation.
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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101820700B (en) * 2009-02-26 2012-08-08 华为技术有限公司 Method and device for identifying operating mode of base station, and base station
CN101835287A (en) * 2009-03-12 2010-09-15 华为技术有限公司 Method and device for realizing functions of dual-mode base station, and dual-mode base station equipment
CN102238592A (en) * 2010-04-22 2011-11-09 大唐移动通信设备有限公司 Disaster tolerance method for radio access network and base station
CN102316442A (en) * 2011-09-14 2012-01-11 京信通信***（中国）有限公司 Remote radio unit (RRU) equipment intelligent starting method, and device and RRU system thereof
CN103813285B (en) * 2012-11-14 2017-06-13 阳光凯讯(北京)科技有限公司 A kind of Tetra Multi-Carrier basestations based on emergency mobile communication
CN102932827B (en) * 2012-11-30 2015-09-16 深圳国人通信股份有限公司 Repeater equipment and control method thereof
CN103281092B (en) * 2013-06-20 2015-08-05 阳光凯讯(北京)科技有限公司 A kind of modulating system and method realizing multi-mode intelligent soft base station
CN105144769B (en) * 2013-09-30 2018-11-20 华为技术有限公司 network control method and control network element
CN105406978B (en) * 2014-09-16 2020-01-07 电信科学技术研究院 Method and device for configuring working mode of data forwarding equipment
CN105072707A (en) * 2015-07-24 2015-11-18 国家电网公司 230 MHz-based eBBU baseband processing unit
WO2018098787A1 (en) * 2016-12-01 2018-06-07 华为技术有限公司 Base station system
CN109413765B (en) * 2018-11-22 2019-06-18 广州开信通讯***有限公司 Extendible capacity formula access device and digital fiber compartment system, the dilatation switching method for utilizing it
CN113055893B (en) * 2019-12-26 2023-04-18 大唐移动通信设备有限公司 Frequency band switching method and device, electronic equipment and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003284155A (en) * 2002-03-27 2003-10-03 Sharp Corp Mobile communication apparatus
EP1670149A1 (en) * 2004-12-13 2006-06-14 Evolium S.A.S. GSM/UMTS base station transceiver with variable bandwidth and combined antenna/receiver unit
CN1816181A (en) * 2005-02-03 2006-08-09 芯通科技（成都）有限公司 Middle-frequency transmission method and middle-frequency interface for base-station to realize radio-frequency zoom-out
CN1832593A (en) * 2005-03-07 2006-09-13 大唐移动通信设备有限公司 Base station system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100426897C (en) * 2005-01-12 2008-10-15 华为技术有限公司 Separated base station system and its networking method and baseband unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003284155A (en) * 2002-03-27 2003-10-03 Sharp Corp Mobile communication apparatus
EP1670149A1 (en) * 2004-12-13 2006-06-14 Evolium S.A.S. GSM/UMTS base station transceiver with variable bandwidth and combined antenna/receiver unit
CN1816181A (en) * 2005-02-03 2006-08-09 芯通科技（成都）有限公司 Middle-frequency transmission method and middle-frequency interface for base-station to realize radio-frequency zoom-out
CN1832593A (en) * 2005-03-07 2006-09-13 大唐移动通信设备有限公司 Base station system

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