CN102769609B - A kind of method, system and device of transfer of data - Google Patents
A kind of method, system and device of transfer of data Download PDFInfo
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- CN102769609B CN102769609B CN201210106726.4A CN201210106726A CN102769609B CN 102769609 B CN102769609 B CN 102769609B CN 201210106726 A CN201210106726 A CN 201210106726A CN 102769609 B CN102769609 B CN 102769609B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
- H04L69/085—Protocols for interworking; Protocol conversion specially adapted for interworking of IP-based networks with other networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
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Abstract
The present invention discloses a kind of method, system and device of transfer of data, wherein, this data transmission system is a kind of global system for mobile communications network, comprises TDM base station, IP base station, BSC and MSC, and described TDM base station, described IP base station communicate by described BSC and described MSC; Described BSC, for carrying out the conversion of data format and/or the conversion of agreement to the business datum between described TDM base station, described IP base station and described MSC. The invention also discloses a kind of a kind of a kind of method of base station controller, base station sub-system and transfer of data. In the present invention, BSC connects IP base station and TDM base station simultaneously, carry out the conversion of data format and/or the conversion of agreement by the business datum between TDM base station, IP base station and MSC, carry out the conversion between IP and TDM without the equipment by external, just realized communicating by letter between MSC and TDM base station and IP base station in the time of A interface IPization.
Description
Technical field
The present invention relates to wireless communication technology field, especially relate to a kind of transfer of data method, beSystem and device.
Background technology
Along with developing rapidly of wireless communication technology, (GlobalSystemMobile, the whole world is mobile for GSMCommunication system) network is widely used. GSM network generally adopts the structure shown in Fig. 1 now, shouldGSM network is by BSS (BaseStationsub-System, base station sub-system) and NSS (NetworkSubSystem, network subsystem) two subsystem compositions, BSS for travelling carriage provide wave point access andManagement function, NSS provides mobile management, security management, speech channel exchange and construction for gsm system(basic voice call function has supplementary service for various speech business functions in speech channel exchangeVoice call function etc.). Wherein BSS comprises that multiple BTS (BaseTransceiverStation, receive by base stationSending station, can be referred to as base station) (in Fig. 1, only indicate two BTS:BTS11 and BTS12, all the otherBTS indicates), BSC13 (BaseStationController, base station controller) and TC14(TransCoder, transcoder); NSS comprises that (MobileSwitchingCenter moves MSC15Switching centre) and HLR16 (HomeLocationRegister, attaching position register). BSC13 andBetween BTS, connect by Abis interface; Between BSC13 and TC14, connect by Ater Interface, TC14 byBSC13 controls, and is realized voluntarily by each manufacturer; Between TC14 and MSC15, connect by A interface; HLR16Be connected to MSC15.
In existing GSM network, the external interface that BSS provides is TDM (TimeDivisionMultiplexing, time division multiplex) circuit interface: A interface provides the TDM circuit interface of 64Kbps,Abis interface provides the TDM circuit interface of 16/8Kbps. BSS by 64KbpsTDM circuit withNSS docking, BSC docks with BTS by the TDM circuit of 16/8Kbps. A interface speech channel exchange energyPower is limited, and the code/decode format that this interface can be processed only has PCM (PulseCodeModulation, arteries and veinsRush coded modulation) (depending on the countries and regions at place, there are A rule and two kinds of mutation of μ rule). No matter userWhich kind of code/decode format is terminal adopt, and all must convert PCM form at BSC, just can be sent to NSSProcess. Abis interface by air interface voice coding with TRAU (TranscoderandRateAdapterUnit,Code conversion and Rate Adapter Unit) form of frame is carried on the TDM circuit of 16/8Kbps and transmits. CauseThis, in existing GSM network, BSS must support TRAU function, completes above-mentioned encoding and decoding and turnsAfter the function of changing, pcm stream is placed in TDM circuit, re-sends to NSS and process.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: oneBase station distribution region under BSC management is larger, along with the evolution of transmission network, requires base station progressively to adoptIP transmission, when a part of base station adopts TDM transmission, and another part base station is while adopting IP transmission, adoptsMust carry out the conversion between IP and TDM by external equipment with the base station of IP transmission, could realizeThe IP transmission of base station data, networking flexibility is poor, and network reliability reduces.
Summary of the invention
The embodiment of the present invention provides a kind of method, system and device of transfer of data, external without passing throughEquipment carries out the conversion between IP and TDM, just can complete the number of BSC and IP base station and TDM base stationReportedly defeated.
For achieving the above object, the technical scheme of one embodiment of the present of invention provides a kind of GSM network,Comprise TDM base station, IP base station, BSC and MSC, described TDM base station, described IP base station are passed throughDescribed BSC and described MSC communicate; Described BSC, for to described TDM base station, described inBusiness datum between IP base station and described MSC is carried out the conversion of data format and/or the conversion of agreement.
The technical scheme of one embodiment of the present of invention also provides a kind of base station controller, comprises Abis interfaceTdm data processing unit, Abis interface IP data processing unit, format conversion and conversion unit of protocolWith A interface IP data processing unit; Described Abis interface tdm data processing unit and described TDMBase station, described format conversion and conversion unit of protocol coupling, become for described TDM base station and described formChange the transfer of data between conversion unit of protocol; Described Abis interface IP data processing unit and described IPBase station, described format conversion and conversion unit of protocol coupling, for described IP base station and described format conversionAnd transfer of data between conversion unit of protocol; Described A interface IP data processing unit and described MSC,The coupling of described format conversion and conversion unit of protocol, turns for described MSC and described format conversion and agreementChange the transfer of data between unit; Described format conversion and conversion unit of protocol, for connecing described AbisMouth tdm data processing unit, described Abis interface IP data processing unit and described A interface IP numberCarry out the conversion of data format and/or the conversion of agreement according to the business datum between processing unit.
The technical scheme of one embodiment of the present of invention also provides a kind of method of transfer of data, comprises followingStep: the business datum of reception sources equipment; Described business datum is carried out to protocol conversion, if described industryThe object equipment of business data is TDM base station, described business datum is converted to the TDM of Abis interfaceEncapsulation; If the object equipment of described business datum is IP base station, described business datum is converted to AbisThe IP encapsulation of interface; If the object equipment of described business datum is MSC, described business datum is turnedBe changed to the IP encapsulation of A interface; Business datum after conversion is sent to described object equipment.
The technical scheme of one embodiment of the present of invention also provides a kind of method of transfer of data, comprises followingStep: the business datum of reception sources equipment; Described business datum is carried out to protocol conversion, if described industryThe object equipment of business data is IP base station, described business datum is converted to the IP encapsulation of Abis interface;If the object equipment of described business datum is MSC, described business datum is converted to the IP of A interfaceEncapsulation; Business datum after conversion is sent to described object equipment.
The technical scheme of the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, BSC is sameTime connect IP base station and TDM base station, by the transmission between TDM base station, IP base station and MSCData service data are carried out the conversion of data format and/or the conversion of agreement, without entering by external equipmentConversion between row IP and TDM, just realized in the time of A interface IPization MSC and TDM base station andCommunication between IP base station.
Brief description of the drawings
Fig. 1 is the structure chart of a kind of GSM network of prior art;
Fig. 2 is the structure chart of a kind of GSM network of the embodiment of the present invention;
Fig. 3 is the structure chart of a kind of A interface signaling face protocol stack of the embodiment of the present invention;
Fig. 4 is the structure chart of a kind of A interface bearing face protocol stack of the embodiment of the present invention;
Fig. 5 is the structure chart of a kind of Abis interface loading end protocol stack of the embodiment of the present invention;
Fig. 6 is the flow chart of the method for a kind of transfer of data of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
The structure of a kind of GSM network of the embodiment of the present invention as shown in Figure 2, comprise TDM base station 21,IP base station 22, BSC23 and MSC24, BSC23 by Abis interface respectively with TDM base station 21Be connected with IP base station 22, BSC23 is connected with MSC24 by A interface. Wherein TDM base station 21,IP base station 22 and BSC23 composition BSS, this BSS is connected with MSC24 by A interface. The present inventionMSC in embodiment can comprise MSCServer and MGW (MediaGateway, WMG).
BSC23 is for carrying out the business datum between TDM base station 21, IP base station 22 and MSC24The conversion of data format and/or the conversion of agreement. BSC23 comprises Abis interface tdm data processing unit231, Abis interface IP data processing unit 232, format conversion and conversion unit of protocol 233 and A connectMouth IP data processing unit 234; Wherein Abis interface tdm data processing unit 231 respectively with TDMBase station 21 is connected with conversion unit of protocol 233 with format conversion, Abis interface IP data processing unit 232Be connected respectively A interface IP data processing with IP base station 22 and format conversion and conversion unit of protocol 233Unit 234 is connected with MSC24 and format conversion and conversion unit of protocol 233 respectively.
Abis interface tdm data processing unit 231 and TDM base station 21, format conversion and protocol conversionUnit 233 is coupled, for the number between TDM base station 21 and format conversion and conversion unit of protocol 233Reportedly defeated; Abis interface IP data processing unit 232 and IP base station 22, format conversion and protocol conversionUnit 233 is coupled, and passes for the data between IP base station 22 and format conversion and conversion unit of protocol 233Defeated; A interface IP data processing unit 234 and MSC24, format conversion and conversion unit of protocol 233 couplingsClose, for the transfer of data between MSC24 and format conversion and conversion unit of protocol 233.
Format conversion and conversion unit of protocol 233 for to Abis interface tdm data processing unit 231,Business number between Abis interface IP data processing unit 232 and A interface IP data processing unit 234According to carrying out the conversion of data format and/or the conversion of agreement. The conversion of described business datum agreement refers to thisBusiness datum is converted to object protocol encapsulation by former protocol encapsulation, for example the processing of Abis interface tdm dataThe business datum that unit 231 is processed can be by the data of TRAU/TDM protocol encapsulation, A interface IPThe business datum that data processing unit 234 is processed can be the data that encapsulate by RTP/UDP/IP; By AbisThe protocol conversion of the business datum of interface tdm data processing unit 231 is A interface IP data processing listThe agreement of the business datum of unit 234, can be specifically: by Abis interface tdm data processing unit 231The data by TRAU/TDM protocol encapsulation that send are converted to by the data of RTP/UDP/IP encapsulation.
Format conversion and conversion unit of protocol 233 comprise format conversion subelement 2331, Abis interface TDMData and A interface IP data protocol conversion subelement 2332, Abis interface tdm data and Abis connectMouth IP data protocol conversion subelement 2333 and Abis interface IP data and A interface IP data protocol turnChange subelement 2334; Wherein format conversion subelement 2331 is processed single with Abis interface tdm data respectivelyUnit 231 is connected with A interface IP data processing unit 234, Abis interface tdm data and A interface IPData protocol conversion subelement 2332 respectively with Abis interface tdm data processing unit 231 and A interfaceIP data processing unit 234 connects, Abis interface tdm data and the conversion of Abis interface IP data protocolSubelement 2333 respectively with Abis interface tdm data processing unit 231 and Abis interface IP data placeReason unit 232 connects, 2334 points, Abis interface IP data and A interface IP data protocol conversion subelementBe not connected with Abis interface IP data processing unit 232 and A interface IP data processing unit 234.
Format conversion subelement 2331 at up direction by Abis interface tdm data processing unitThe idle speech frame of 231 business datum compresses, at down direction to A interface IP data processing listThe idle speech frame of the business datum of unit 234 recovers; Abis interface tdm data and A interface IPData protocol conversion subelement 2332 and Abis interface tdm data processing unit 231, A interface IP numberBe coupled according to processing unit 234, at up direction by Abis interface tdm data processing unit 231The protocol conversion of business datum be the agreement of the business datum of A interface IP data processing unit 234,Down direction is Abis interface by the protocol conversion of the business datum of A interface IP data processing unit 234The agreement of the business datum of tdm data processing unit 231; Abis interface tdm data and Abis interfaceIP data protocol conversion subelement 2333 and Abis interface tdm data processing unit 231, Abis interfaceIP data processing unit 232 is coupled, for when the switching occurring between TDM base station and IP base station,In business datum agreement and the Abis interface IP data processing of Abis interface tdm data processing unit 231Between the business datum agreement of unit 232, carry out protocol conversion; Abis interface IP data and A interface IPData protocol conversion subelement 2334 and Abis interface IP data processing unit 232, A interface IP dataProcessing unit 234 is coupled, at up direction by the business of Abis interface IP data processing unit 232The protocol conversion of data is the agreement of the business datum of A interface IP data processing unit 234, descending sideTo being Abis interface IP data by the protocol conversion of the business datum of A interface IP data processing unit 234The agreement of the business datum of processing unit 232. Wherein, Abis interface tdm data processing unit 231The agreement of business datum can comprise TRAU/TDM agreement, Abis interface IP data processing unit 232The agreement of business datum can comprise UDP (UserDatagramProtocol, UDP)/ IP agreement, the agreement of the business datum of A interface IP data processing unit 234 can comprise RTP(RealtimeTransferProtocol, RTP)/UDP/IP agreement.
BSC23 is connected with MSC24 by A interface, at A interface when IPization, and A interface signalingThe structure of face protocol stack can be as shown in Figure 3, and A signalling interface protocol is carried on SIGTRAN (SignalingTransport, signaling transfer protocol)/SCTP (StreamControlTransmissionProtocol, Flow ControlHost-host protocol processed) on, (MTP3-UserAdaptationLayer, MTP3 user is suitable to use M3UAJoin layer) agreement carries. SIGTRAN be one be enclosed within IP network upload deliver letters order transmission controlAgreement processed, SIGTRAN has defined a fairly perfect SIGTRAN storehouse, be divided into IP agreement,Four layers of signalling, signalling adaptation and signaling application etc. Stream Control Transmission Protocol is a connection-oriented biographyDefeated layer protocol, has adopted flow-control and the congestion avoidance algorithm of similar TCP, by self confirmation withRetransmission mechanism ensures that user data reliably transmits between two SCTP endpoint. M3UA is MTPThird level customer adaptation layer protocol, provides the conversion of signaling point code and IP address, for soft switch withBetween SGW, realize the transmission of Signaling System Number 7 agreement, be supported in and on IP network, transmit the MTP third levelUser message.
At A interface, when IPization, the structure of A interface bearing face protocol stack can be as shown in Figure 4, GSMCompressed voice encoding and decoding be carried in RTP/UDP/IP agreement. Core net is responsible for processing all and encoding and decodingRelevant affairs, the encoding and decoding conversion after comprising coding/decoding negotiation and consulting unsuccessfully, and complete voice and divideThe exchange of group.
BSC23 is connected with 21HeIP base station, TDM base station 22 respectively by Abis interface, with TDMUser's face transmission of the Abis interface that base station 21 connects can maintain the structure of prior art, and at AbisInterface is when IPization, and the structure of Abis interface loading end protocol stack can be as shown in Figure 5, with IP base22 user plane protocols of Abis interface that connect of standing are carried on UDP/IP agreement, use PTRAUAgreement is carried.
The method of a kind of transfer of data of the embodiment of the present invention as shown in Figure 6, comprises the following steps:
Step s601, the business datum of reception sources equipment, this source device can comprise TDM base station, IPBase station or MSC.
Step s602, carries out protocol conversion by business datum, if the object equipment of business datum is TDMBase station, is converted to described business datum the TDM encapsulation of Abis interface; If the order of business datumEquipment be IP base station, described business datum is converted to the IP encapsulation of Abis interface; If businessThe object equipment of data is MSC, described business datum is converted to the IP encapsulation of A interface. TurningChange in process, when source device is TDM base station, and object equipment is while being MSC, also needs business numberAccording to idle speech frame compress, the business datum after compression can also comprise temporal information and frame number,Temporal information is for delay of control, shake and carry out time recovery at end points, frame number for to packet loss,Out of order control, and in order to reduce the moving time delay of introducing of debounce, format conversion subelement 2331 canAccording to the amplitude of the length of time delay and shake, the length of bag is carried out to adaptive adjustment; When source device isMSC, and object equipment is while being TDM base station, also needs the idle speech frame of business datum to recover,Its recovery process can be: record up-to-date SID frame, during VAD, enter with up-to-date SID frameRow is filled, and recovers the idle speech frame of business datum.
Step s603, sends to object equipment by the business datum after conversion, and this object equipment comprises TDMBase station, IP base station or MSC.
When adopt shown in Fig. 2 GSM network time, the communication process between base station and MSC can be as follows:
In the time that data are sent to MSC24 by TDM base station 21, first Abis interface tdm data placeReason unit 231 receives the data that TDM base station 21 sends; Then format conversion subelement 2331 is by businessThe idle speech frame of data compresses, and the business datum after compression can comprise temporal information and frame number,Temporal information is for delay of control, shake and carry out time recovery at end points, frame number for to packet loss,Out of order control, and in order to reduce the moving time delay of introducing of debounce, format conversion subelement 2331 canAccording to the amplitude of the length of time delay and shake, the length of bag is carried out to adaptive adjustment; And Abis interfaceTdm data and A interface IP data protocol conversion subelement 2332 are by the Abis interface of business datumTRAU/TDM protocol conversion is A interface RTP/UDP/IP agreement; Finally by A interface IP dataProcessing unit 234 by conversion after data send to MSC24, by core network element be responsible for processing all withThe affairs that encoding and decoding are relevant, the encoding and decoding conversion after can comprising coding/decoding negotiation and consulting unsuccessfully, andComplete the exchange of packets of voice.
In the time that data are sent to TDM base station 21 by MSC24, first A interface IP data processing unit234 receive the data that MSC24 sends; Then format conversion subelement 2331 records up-to-date SID frame,During VAD (VoiceActivityDetection, voice activation detect), with up-to-date SID frameFill, recover the idle speech frame of business datum; And Abis interface tdm data and A interfaceIP data protocol conversion subelement 2332 by the A interface RTP/UDP/IP protocol conversion of business datum isAbis interface TRAU/TDM agreement; Finally will by Abis interface tdm data processing unit 231Data after conversion send to TDM base station 21.
In the time that data are sent to MSC24 by IP base station 22, first Abis interface IP data processing unit232 receive the data that IP base station 22 sends; Then Abis interface IP data and A interface IP data associationIt is A interface by the Abis interface UDP/IP protocol conversion of business datum that view is changed subelement 2334RTP/UDP/IP agreement; Finally by A interface IP data processing unit 234, the data after conversion are sent outDeliver to MSC24, be responsible for processing all affairs relevant with encoding and decoding by core network element, can comprise volumeDecoding consult and consult unsuccessfully after encoding and decoding conversion, and complete the exchange of packets of voice.
In the time that data are sent to IP base station 22 by MSC24, first A interface IP data processing unit 234Receive the data that MSC24 sends; Then Abis interface IP data and the conversion of A interface IP data protocolSubelement 2334 is Abis interface UDP/IP by the A interface RTP/UDP/IP protocol conversion of business datumAgreement; Finally by Abis interface IP data processing unit 232, the data after conversion are sent to IP baseStand 22.
In the time that business is switched by 21XiangIP base station, TDM base station 22, Abis interface tdm dataChange subelement 2333 at Abis interface tdm data processing unit 231 with Abis interface IP data protocolBusiness datum agreement and the business datum agreement of Abis interface IP data processing unit 232 between assistView conversion. After having switched, MSC24 stops the transmission of this business datum between TDM base station 21,Change by MSC24 and IP base station 22 and carry out the transmission of this business datum. This transfer process to A interface isBright.
In the time that business is switched by 22XiangTDM base station, IP base station 21, Abis interface tdm dataChange subelement 2333 at Abis interface IP data processing unit 232 with Abis interface IP data protocolBusiness datum agreement and the business datum agreement of Abis interface tdm data processing unit 231 between enterRow protocol conversion. After having switched, MSC24 stops the biography of this business datum between IP base station 22Defeated, change by MSC24 and TDM base station 21 and carry out the transmission of this business datum. This transfer process is to AInterface is transparent.
In the embodiment of the present invention, BSC connects IP base station and TDM base station simultaneously, by TDM base station,Business datum between IP base station and MSC is carried out the conversion of data format and/or the conversion of agreement, withoutCarry out the conversion between IP and TDM by external equipment, just realized MSC in the time of A interface IPizationWith communicating by letter between TDM base station and IP base station.
And BSC always sends to core by the voice signal without encoding and decoding conversion in the embodiment of the present inventionThe processing of heart switching network, in the case of the encoding and decoding of two user terminals are identical, core switching network can be straightConnect voice signal is exchanged, avoid unnecessary encoding and decoding conversion (for example: realizing mistake of the present inventionCheng Zhong, inventor finds that in prior art, at least also there are the following problems: the speech channel of BSS side is total before exchangeTo carry out encoding and decoding conversion, for moving to mobile calling, even support between two user terminalsIdentical encoding and decoding speech function, also always will carry out twice encoding and decoding conversion), thus voice matter promotedAmount.
In addition, because PCM form is incompressible voice encoding and decoding format, every road voice calls signal needsTake fixing bandwidth, be much higher than the bandwidth of compressed voice encoding and decoding, and IP interface is statistic multiplexingInterface, bandwidth availability ratio is high, there is no particle size restrictions, each speech channel is only used compressed voice encoding and decoding instituteThe bandwidth and the IP packet header expense that need can not transmit voice packet, without carrying out the free time between user's quiet periodThe recovery of speech frame, therefore adopts the embodiment of the present invention to improve bandwidth usage efficiency.
The embodiment of the present invention also provides:
1, a global system for mobile communications network, comprises time division multiplexing tdm base station, IP base station, baseStation control BSC and moving exchanging center MSC, described in described TDM base station, described IP base station are passed throughBSC and described MSC communicate; Described BSC, for to described TDM base station, described IP baseStand and described MSC between business datum carry out the conversion of data format and/or the conversion of agreement.
2, the global system for mobile communications network as described in 1, described BSC comprises Abis interface TDMData processing unit, Abis interface IP data processing unit, format conversion and conversion unit of protocol and A connectMouth IP data processing unit; Described Abis interface tdm data processing unit and described TDM base station,Described format conversion and conversion unit of protocol coupling, for described TDM base station and described format conversion and associationTransfer of data between view converting unit; Described Abis interface IP data processing unit and described IP base station,Described format conversion and conversion unit of protocol coupling, for described IP base station and described format conversion and agreementTransfer of data between converting unit; Described A interface IP data processing unit and described MSC, described inFormat conversion and conversion unit of protocol coupling, for described MSC and described format conversion and protocol conversion listTransfer of data between unit; Described format conversion and conversion unit of protocol, for to described Abis interfaceTdm data processing unit, described Abis interface IP data processing unit and described A interface IP data placeBusiness datum between reason unit is carried out the conversion of data format and/or the conversion of agreement.
3, the global system for mobile communications network as described in 2, described format conversion and conversion unit of protocol bagDraw together: Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
4, the global system for mobile communications network as described in 3, described format conversion and conversion unit of protocol are alsoComprise: Abis interface tdm data and Abis interface IP data protocol conversion subelement, with described AbisInterface tdm data processing unit, the coupling of described Abis interface IP data processing unit, for occurringWhen switching between TDM base station and IP base station, at described Abis interface tdm data processing unitBetween the business datum agreement of business datum agreement and described Abis interface IP data processing unit, carry out agreementConversion.
5, the global system for mobile communications network as described in 2 or 4, described format conversion and protocol conversion listUnit also comprises format conversion subelement, connects respectively with described Abis interface tdm data processing unit and AMouthful IP data processing unit communicates, at up direction by described Abis interface tdm data placeThe idle speech frame of business datum of reason unit compresses, at down direction to A interface IP data processingThe idle speech frame of the business datum of unit recovers.
6, a base station controller, comprises Abis interface tdm data processing unit, Abis interface IPData processing unit, format conversion and conversion unit of protocol and A interface IP data processing unit; DescribedAbis interface tdm data processing unit and described TDM base station, described format conversion and protocol conversion listUnit's coupling, passes for the data between described TDM base station and described format conversion and conversion unit of protocolDefeated; Described Abis interface IP data processing unit and described IP base station, described format conversion and agreement turnChange element coupling, pass for the data between described IP base station and described format conversion and conversion unit of protocolDefeated; Described A interface IP data processing unit and described MSC, described format conversion and protocol conversion listUnit's coupling, for the transfer of data between described MSC and described format conversion and conversion unit of protocol; InstituteState format conversion and conversion unit of protocol, for to described Abis interface tdm data processing unit, instituteState the business datum between Abis interface IP data processing unit and described A interface IP data processing unitCarry out the conversion of data format and/or the conversion of agreement.
7, the base station controller as described in 6, described format conversion and conversion unit of protocol comprise:
Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
8, the base station controller as described in 7, described format conversion and conversion unit of protocol also comprise: AbisInterface tdm data and Abis interface IP data protocol conversion subelement, with described Abis interface TDM, for there is TDM base station in data processing unit, the coupling of described Abis interface IP data processing unitAnd when switching between IP base station, in the business datum association of described Abis interface tdm data processing unitBetween view and the business datum agreement of described Abis interface IP data processing unit, carry out protocol conversion.
9, the base station controller as described in 7 or 8, the industry of described Abis interface tdm data processing unitThe agreement of business data comprises code conversion and Rate Adapter Unit TRAU/TDM agreement; Described Abis interfaceThe agreement of the business datum of IP data processing unit comprises UDP UDP/IP agreement; Described AThe agreement of the business datum of interface IP data processing unit comprises realtime transmission protocol RTP/UDP/IP agreement.
10, the base station controller as described in 6 or 8, described format conversion and conversion unit of protocol also compriseFormat conversion subelement, respectively with described Abis interface tdm data processing unit and A interface IP dataProcessing unit communicates, at up direction by described Abis interface tdm data processing unitThe idle speech frame of business datum compresses, the industry at down direction to A interface IP data processing unitThe idle speech frame of business data recovers.
11, the base station controller as described in 10, at up direction after idle speech frame compressesBusiness datum comprises temporal information and frame number.
12, a base station sub-system, comprises TDM base station, IP base station and BSC;
Described BSC comprises Abis interface tdm data processing unit, Abis interface IP data processing listUnit, format conversion and conversion unit of protocol and A interface IP data processing unit; Described Abis interface TDMData processing unit and described TDM base station, described format conversion and conversion unit of protocol coupling, for instituteState the transfer of data between TDM base station and described format conversion and conversion unit of protocol; Described Abis connectsMouth IP data processing unit and described IP base station, described format conversion and conversion unit of protocol coupling, forTransfer of data between described IP base station and described format conversion and conversion unit of protocol; Described A interface IPData processing unit and MSC, described format conversion and conversion unit of protocol coupling, for described MSCAnd the transfer of data between described format conversion and conversion unit of protocol; Described format conversion and protocol conversionUnit, for to described Abis interface tdm data processing unit, described Abis interface IP data processingBusiness datum between unit and described A interface IP data processing unit carry out data format conversion and/Or the conversion of agreement.
13, the base station sub-system as described in 12, described format conversion and conversion unit of protocol comprise:
Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
14, the base station sub-system as described in 13, described format conversion and conversion unit of protocol also comprise: AbisInterface tdm data and Abis interface IP data protocol conversion subelement, with described Abis interface TDM, for there is TDM base station in data processing unit, the coupling of described Abis interface IP data processing unitAnd when switching between IP base station, in the business datum association of described Abis interface tdm data processing unitBetween view and the business datum agreement of described Abis interface IP data processing unit, carry out protocol conversion.
15, the base station sub-system as described in 12, described format conversion and conversion unit of protocol also comprise formVaritron unit, respectively with described Abis interface tdm data processing unit and A interface IP data processingUnit communicates, at up direction by the business of described Abis interface tdm data processing unitThe idle speech frame of data compresses, the business number at down direction to A interface IP data processing unitAccording to idle speech frame recover.
16, a method for transfer of data, comprises the following steps:
The business datum of reception sources equipment; Described business datum is carried out to protocol conversion, if described businessThe object equipment of data is TDM base station, described business datum is converted to the TDM envelope of Abis interfaceDress; If the object equipment of described business datum is IP base station, described business datum is converted to AbisThe IP encapsulation of interface; If the object equipment of described business datum is MSC, described business datum is turnedBe changed to the IP encapsulation of A interface; Business datum after conversion is sent to described object equipment.
17, the method for transfer of data as described in 16, also comprises:
When source device is TDM base station, and object equipment is while being MSC, by the free time of described business datumSpeech frame compresses; When source device is MSC, and object equipment is while being TDM base station, by described industryThe idle speech frame of business data recovers.
18, the method for transfer of data as described in 16, when the switching occurring between TDM base station and IP base stationTime, describedly business datum is carried out to protocol conversion be specially: if described in being switched to by described TDM base stationIP base station, encapsulates by the TDM of Abis interface the IP that is converted to Abis interface by described business datumEncapsulation; If be switched to described TDM base station by described IP base station, by described business datum by AbisThe IP encapsulation of interface is converted to the TDM encapsulation of Abis interface.
19, the method for transfer of data as described in 16 to 18 any one, described source device comprise TDM base station,IP base station or MSC, described object equipment comprises TDM base station, IP base station or MSC.
20, a method for transfer of data, comprises the following steps:
The business datum of reception sources equipment; Described business datum is carried out to protocol conversion, if described businessThe object equipment of data is IP base station, described business datum is converted to the IP encapsulation of Abis interface;If the object equipment of described business datum is MSC, described business datum is converted to the IP of A interfaceEncapsulation; Business datum after conversion is sent to described object equipment.
21, the method for transfer of data as described in 20, described source device comprises IP base station or MSC, described inObject equipment comprises IP base station or MSC.
Through the above description of the embodiments, those skilled in the art can be well understood to thisThe bright mode that can add essential general hardware platform by software realizes, and can certainly pass through hardware,But in a lot of situations, the former is better embodiment. Based on such understanding, technical scheme of the present inventionThe part in other words prior art being contributed in essence can embody with the form of software product,This computer software product is stored in a storage medium, comprises that some instructions are in order to make a calculatingMachine equipment (can be personal computer, server, or the network equipment etc.) each is real to carry out the present inventionExecute the described method of example.
The above is only embodiments of the present invention, it should be pointed out that the common skill for the artArt personnel, under the premise without departing from the principles of the invention, can also make some improvements and modifications,These improvements and modifications also should be considered as protection scope of the present invention.
Claims (18)
1. a global system for mobile communications network, is characterized in that, comprise time division multiplexing tdm base station,IP base station, base station controller BSC and moving exchanging center MSC, described TDM base station, described IPBase station communicates by described BSC and described MSC;
Described BSC, for the business between described TDM base station, described IP base station and described MSCData are carried out the conversion of data format and/or the conversion of agreement, and described BSC comprises Abis interface TDM numberAccording to processing unit, Abis interface IP data processing unit, format conversion and conversion unit of protocol and A interfaceIP data processing unit;
Described Abis interface tdm data processing unit and described TDM base station, described format conversion and associationView converting unit coupling, between described TDM base station and described format conversion and conversion unit of protocolTransfer of data;
Described Abis interface IP data processing unit and described IP base station, described format conversion and agreement turnChange element coupling, pass for the data between described IP base station and described format conversion and conversion unit of protocolDefeated;
Described A interface IP data processing unit and described MSC, described format conversion and protocol conversion listUnit's coupling, for the transfer of data between described MSC and described format conversion and conversion unit of protocol;
Described format conversion and conversion unit of protocol, single for described Abis interface tdm data is processedIndustry between first, described Abis interface IP data processing unit and described A interface IP data processing unitBusiness data are carried out the conversion of data format and/or the conversion of agreement, comprise Abis interface tdm data placeThe data by TRAU/TDM protocol encapsulation that reason unit sends are converted to by the number of RTP/UDP/IP encapsulationAccording to.
2. global system for mobile communications network as claimed in claim 1, is characterized in that, described formConversion and conversion unit of protocol comprise:
Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
3. global system for mobile communications network as claimed in claim 2, is characterized in that, described formConversion and conversion unit of protocol also comprise: Abis interface tdm data and Abis interface IP data protocol turnChange subelement, with described Abis interface tdm data processing unit, described Abis interface IP data processingElement coupling, for when the switching occurring between TDM base station and IP base station, at described Abis interfaceThe business of the business datum agreement of tdm data processing unit and described Abis interface IP data processing unitBetween data protocol, carry out protocol conversion.
4. the global system for mobile communications network as described in claim 1 or 3, is characterized in that, described inFormat conversion and conversion unit of protocol also comprise format conversion subelement, respectively with described Abis interface TDMData processing unit and A interface IP data processing unit communicate, described in inciting somebody to action at up directionThe idle speech frame of the business datum of Abis interface tdm data processing unit compresses, at down directionThe idle speech frame of the business datum to A interface IP data processing unit recovers.
5. a base station controller, is characterized in that, comprise Abis interface tdm data processing unit,Abis interface IP data processing unit, format conversion and conversion unit of protocol and A interface IP data processingUnit;
Described Abis interface tdm data processing unit and TDM base station, described format conversion and agreement turnChange element coupling, for the data between described TDM base station and described format conversion and conversion unit of protocolTransmission;
Described Abis interface IP data processing unit and IP base station, described format conversion and protocol conversion listUnit's coupling, for the transfer of data between described IP base station and described format conversion and conversion unit of protocol;
Described A interface IP data processing unit and MSC, described format conversion and conversion unit of protocol couplingClose, for the transfer of data between described MSC and described format conversion and conversion unit of protocol;
Described format conversion and conversion unit of protocol, single for described Abis interface tdm data is processedIndustry between first, described Abis interface IP data processing unit and described A interface IP data processing unitBusiness data are carried out the conversion of data format and/or the conversion of agreement, comprise Abis interface tdm data placeThe data by TRAU/TDM protocol encapsulation that reason unit sends are converted to by the number of RTP/UDP/IP encapsulationAccording to.
6. base station controller as claimed in claim 5, is characterized in that, described format conversion and agreementConverting unit comprises:
Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
7. base station controller as claimed in claim 6, is characterized in that, described format conversion and agreementConverting unit also comprises: Abis interface tdm data and Abis interface IP data protocol conversion subelement,With described Abis interface tdm data processing unit, the coupling of described Abis interface IP data processing unit,Be used in the time of the switching occurring between TDM base station and IP base station, at described Abis interface tdm dataThe business datum agreement of the business datum agreement of processing unit and described Abis interface IP data processing unit itBetween carry out protocol conversion.
8. the base station controller as described in claim 6 or 7, is characterized in that, described Abis interfaceThe agreement of the business datum of tdm data processing unit comprises code conversion and Rate Adapter UnitTRAU/TDM agreement;
The agreement of the business datum of described Abis interface IP data processing unit comprises UDPUDP/IP agreement;
The agreement of the business datum of described A interface IP data processing unit comprises RTPRTP/UDP/IP agreement.
9. the base station controller as described in claim 5 or 7, is characterized in that, described format conversion andConversion unit of protocol also comprises format conversion subelement, respectively with the processing of described Abis interface tdm dataUnit and A interface IP data processing unit communicate, at up direction by described Abis interfaceThe idle speech frame of the business datum of tdm data processing unit compresses, at down direction to A interfaceThe idle speech frame of the business datum of IP data processing unit recovers.
10. base station controller as claimed in claim 9, is characterized in that, empty in up direction processBusiness datum after not busy speech frame compresses comprises temporal information and frame number.
11. 1 kinds of base station sub-systems, is characterized in that, comprise TDM base station, IP base station and BSC;
Described BSC comprises Abis interface tdm data processing unit, Abis interface IP data processing listUnit, format conversion and conversion unit of protocol and A interface IP data processing unit;
Described Abis interface tdm data processing unit and described TDM base station, described format conversion and associationView converting unit coupling, between described TDM base station and described format conversion and conversion unit of protocolTransfer of data;
Described Abis interface IP data processing unit and described IP base station, described format conversion and agreement turnChange element coupling, pass for the data between described IP base station and described format conversion and conversion unit of protocolDefeated;
Described A interface IP data processing unit and MSC, described format conversion and conversion unit of protocol couplingClose, for the transfer of data between described MSC and described format conversion and conversion unit of protocol;
Described format conversion and conversion unit of protocol, single for described Abis interface tdm data is processedIndustry between first, described Abis interface IP data processing unit and described A interface IP data processing unitBusiness data are carried out the conversion of data format and/or the conversion of agreement, comprise Abis interface tdm data placeThe data by TRAU/TDM protocol encapsulation that reason unit sends are converted to by the number of RTP/UDP/IP encapsulationAccording to.
12. base station sub-systems as claimed in claim 11, is characterized in that, described format conversion and associationView converting unit comprises:
Abis interface tdm data and A interface IP data protocol conversion subelement, with described Abis interfaceTdm data processing unit, the coupling of described A interface IP data processing unit, for inciting somebody to action at up directionThe protocol conversion of the business datum of described Abis interface tdm data processing unit is described A interface IP numberAccording to the agreement of the business datum of processing unit, at down direction by described A interface IP data processing unitThe protocol conversion of business datum is the agreement of the business datum of described Abis interface tdm data processing unit;
Abis interface IP data and A interface IP data protocol conversion subelement, with described Abis interface IPData processing unit, the coupling of described A interface IP data processing unit, described in inciting somebody to action at up directionThe protocol conversion of the business datum of Abis interface IP data processing unit is described A interface IP data processingThe agreement of the business datum of unit, at down direction by the business number of described A interface IP data processing unitAccording to protocol conversion be the agreement of the business datum of described Abis interface IP data processing unit.
13. base station sub-systems as claimed in claim 12, is characterized in that, described format conversion and associationView converting unit also comprises: Abis interface tdm data and Abis interface IP data protocol conversion subelement,With described Abis interface tdm data processing unit, the coupling of described Abis interface IP data processing unit,Be used in the time of the switching occurring between TDM base station and IP base station, at described Abis interface tdm dataThe business datum agreement of the business datum agreement of processing unit and described Abis interface IP data processing unit itBetween carry out protocol conversion.
14. base station sub-systems as claimed in claim 11, is characterized in that, described format conversion and associationView converting unit also comprises format conversion subelement, processes single respectively with described Abis interface tdm dataUnit and A interface IP data processing unit communicate, at up direction by described Abis interface TDMThe idle speech frame of the business datum of data processing unit compresses, at down direction to A interface IP numberIdle speech frame according to the business datum of processing unit recovers.
The method of 15. 1 kinds of transfer of data, is characterized in that, comprises the following steps:
The business datum of reception sources equipment;
Described business datum is carried out to protocol conversion, if the object equipment of described business datum is TDM baseStand, described business datum is converted to the TDM encapsulation of Abis interface; If described business datumObject equipment is IP base station, described business datum is converted to the IP encapsulation of Abis interface; If instituteThe object equipment of stating business datum is MSC, described business datum is converted to the IP encapsulation of A interface;Comprise: when source device is TDM base station, and object equipment is while being MSC, and the Abis of business datum is connectMouth TRAU/TDM protocol conversion is A interface RTP/UDP/IP agreement; When source device is MSC, andWhen object equipment is TDM base station, be Abis by the A interface RTP/UDP/IP protocol conversion of business datumInterface TRAU/TDM agreement; When source device is IP base station, and object equipment is while being MSC, by businessThe Abis interface UDP/IP protocol conversion of data is A interface RTP/UDP/IP agreement; When source device isMSC, and object equipment is while being IP base station, by the A interface RTP/UDP/IP protocol conversion of business datumFor Abis interface UDP/IP agreement;
Business datum after conversion is sent to described object equipment.
16. methods of transfer of data as claimed in claim 15, is characterized in that, also comprise:
When source device is TDM base station, and object equipment is while being MSC, by the free time of described business datumSpeech frame compresses;
When source device is MSC, and object equipment is while being TDM base station, by the free time of described business datumSpeech frame recovers.
17. methods of transfer of data as claimed in claim 15, is characterized in that, when TDM base occursStand and IP base station between switching time, describedly business datum carried out to protocol conversion be specially:
If be switched to described IP base station by described TDM base station, described business datum connect by AbisThe TDM encapsulation of mouth is converted to the IP encapsulation of Abis interface;
If be switched to described TDM base station by described IP base station, described business datum connect by AbisThe IP encapsulation of mouth is converted to the TDM encapsulation of Abis interface.
18. as described in claim 15 to 17 any one the method for transfer of data, it is characterized in that instituteState source device and comprise TDM base station, IP base station or MSC, described object equipment comprises TDM base station, IPBase station or MSC.
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| CN201210106726.4A CN102769609B (en) | 2007-09-17 | 2007-09-17 | A kind of method, system and device of transfer of data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710151245.4A CN101394584B (en) | 2007-09-17 | 2007-09-17 | Method, system and device for data transmission |
| CN201210106726.4A CN102769609B (en) | 2007-09-17 | 2007-09-17 | A kind of method, system and device of transfer of data |
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| CN200710151245.4A Division CN101394584B (en) | 2007-09-17 | 2007-09-17 | Method, system and device for data transmission |
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| CN103237014B (en) * | 2013-03-28 | 2016-05-04 | 京信通信系统（广州）有限公司 | A kind of data transmission method and device |
| CN115348331A (en) * | 2022-10-17 | 2022-11-15 | 国网浙江省电力有限公司宁波市北仑区供电公司 | Protocol conversion device and method for power grid communication |
Citations (3)
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| CN1422484A (en) * | 2000-02-08 | 2003-06-04 | 艾利森电话股份有限公司 | Using Internet protocol (IP) in radio access network |
| CN1549627A (en) * | 2003-05-20 | 2004-11-24 | 华为技术有限公司 | Base station and its realizing method, and base station detecting system/network system |
| CN1835605A (en) * | 2005-03-18 | 2006-09-20 | 华为技术有限公司 | Method of realizing IWF service date interaction |
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| US6879599B1 (en) * | 2000-01-31 | 2005-04-12 | Telefonaktlebolaget Lm Ericsson (Publ) | Mapping of transcoder/rate adaptor unit protocols onto user datagram protocols |
| CN100525539C (en) * | 2003-08-13 | 2009-08-05 | 松下电器产业株式会社 | Base station apparatus and transmission method thereof |
| CN100571206C (en) * | 2006-06-19 | 2009-12-16 | 上海贝尔阿尔卡特股份有限公司 | Base station system and call setup thereof, switching and release processing method in the mixed networking |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422484A (en) * | 2000-02-08 | 2003-06-04 | 艾利森电话股份有限公司 | Using Internet protocol (IP) in radio access network |
| CN1549627A (en) * | 2003-05-20 | 2004-11-24 | 华为技术有限公司 | Base station and its realizing method, and base station detecting system/network system |
| CN1835605A (en) * | 2005-03-18 | 2006-09-20 | 华为技术有限公司 | Method of realizing IWF service date interaction |
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| WO2009036698A1 (en) | 2009-03-26 |
| CN101394584B (en) | 2012-04-25 |
| CN102769609A (en) | 2012-11-07 |
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