CN103796243A - Tandem free operation (TFO) configuration parameter transmission method and TFO configuration parameter transmission system - Google Patents

Tandem free operation (TFO) configuration parameter transmission method and TFO configuration parameter transmission system Download PDF

Info

Publication number
CN103796243A
CN103796243A CN201210422844.6A CN201210422844A CN103796243A CN 103796243 A CN103796243 A CN 103796243A CN 201210422844 A CN201210422844 A CN 201210422844A CN 103796243 A CN103796243 A CN 103796243A
Authority
CN
China
Prior art keywords
tfo
message
configuration parameter
sign
encapsulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210422844.6A
Other languages
Chinese (zh)
Other versions
CN103796243B (en
Inventor
曾永慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201210422844.6A priority Critical patent/CN103796243B/en
Priority to PCT/CN2013/083630 priority patent/WO2014067356A1/en
Publication of CN103796243A publication Critical patent/CN103796243A/en
Application granted granted Critical
Publication of CN103796243B publication Critical patent/CN103796243B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices

Abstract

The present invention discloses a TFO negotiation method and a TFO negotiation system. The method comprises the steps of carrying a TFO configuration parameter and an indication identifier in a real time protocol (RTP) message after a base transceiver station (BTS)receives a TFO enabling notice sent by a base station controller (BSC); or packaging the TFO configuration parameter and the indication identifier as a message format different from a user face voice data message, and sending the packaged message to a transcoder and rate adaptation unit (TRAU), wherein the TRAU judges that the message sent by the BTS carries the TFO configuration parameter via the indication identifier; extracts the TFO configuration parameter, enables a local TFO according to the TFO enabling notice, carries out TFO negotiation with an opposite-end TRAU, and carries the TFO configuration parameter and the indication identifier in the RTP message; or packaging the TFO configuration parameter and the indication identifier as the message format different from the user face voice data message, and sending the packaged message to the base transceiver station.

Description

TFO configuration parameter transmission method and system
Technical field
The present invention relates to field of mobile communication, particularly relate to a kind of series connection free operant (Tandem FreeOperation, referred to as TFO) configuration parameter transmission method and system.
Background technology
In mobile communication system, when A mouthpiece is loaded in time division multiplexing (Time Division Multiplex, referred to as TDM) when transmission, on TDM link, transmit pulse code modulation (the Pulse CodeModulation of 64kbps, referred to as PCM) code stream, be positioned at base station controller (Base Station Controller, referred to as BSC) pattern conversion and Rate Adapter Unit (Transcoder and Rate Adaptation Unit, referred to as the TRAU) pattern of being responsible for carrying out user-plane voice data change.Under this scene, in order to solve travelling carriage (Mobile Station, referred to as MS) when MS is called out, the voice quality that on transmission link, twice encoding and decoding speech cascade operation causes reduces, 3GPP agreement 28.062 has proposed a kind of series connection free operant (Tandem Free Operation that avoids encoding and decoding cascade operation, referred to as TFO) function, realize the code decode algorithm of call ends MS consults by inserting the mode of in-band signalling, when consensus, voice messaging is inserted in pcm stream with the form of TFO frame, parsed to open up by opposite end and pass to MS, make voice in the process of transmission, reduce the operation of encoding and decoding, thereby speech quality is improved.
Due to adaptive multi-rate algorithm (Adaptive Multi-Rate, referred to as AMR) time, the foundation of TFO relates to speed adjustment, therefore base station participates in TFO, for real-time adjustment, control AMR speed, voice quality during optimization TFO sets up is very meaningful, this just need to be in the time of AMR algorithm, the enabling of TFO, MS use and phonetic algorithm parameter and the TFO state of TRAU etc. supported are called the information of TFO configuration parameter, all need between base station transceiver (BTS) and TRAU, carry out mutual.The restriction of Abis mouth while being limited to TDM (Abis mouthpiece is loaded in IP transmission) transmitting TRAU frame, TFO configuration parameter can only be carried on trau frame and transmit, according to the regulation of 3GPP agreement 28.062, if trau frame cannot transmit these configuration parameters before R5 version, as the scene at AFS 12.2k, AHS speech frame, just can only steal frame, and after R5 version, use generic configuration frame transmission TFO configuration parameter, the all voice rates of AFS, AHS all can be stolen frame, and this will inevitably exert an influence to voice quality.
Along with the development of gsm system, Abis mouth trends towards IPization development, and in the time that A mouth is still carried on TDM, and in the scene of IPAbis+TDM A, the application of TFO is for the lifting of the voice quality effective means of still can yet be regarded as.Because Abis mouth is internal interface, the specific implementation of IPAbis user plane data transfer, 3GPP agreement does not have concrete description, and TFO is in the application of IPAbis+TDMA scene, also not relevant patent and agreement are described.
In addition, after TFO sets up, BTS need to send configuration frame and carry out link round-trip delay (Round TripDelay, referred to as RTD) measure, because this configuration frame is to be transparent to opposite end BTS, there is no much meanings so retransmit this configuration frame in RTD time range, BTS frequently sends the configuration frame of measuring RTD, opposite end also will be configured the reply of frame in the time often receiving configuration frame, so only can cause the frequent frame of stealing of A mouth, thereby voice quality is produced and had a strong impact on.
Summary of the invention
The invention provides a kind of TFO configuration parameter transmission method and system, to avoid causing the frame of stealing of Abis mouth, and the impact of TFO on voice quality while reducing AMR algorithm, promote TFO performance.
The invention provides a kind of TFO configuration parameter transmission method, comprise: in the situation that terminal is initiated audio call by AMR algorithm, base transceiver station BTS is receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU, wherein, in TFO configuration parameter, carry TFO enable notification, TRAU is not in the time setting up TFO, by sign judge BTS send message in carry TFO configuration parameter, extract TFO configuration parameter, enable local TFO according to TFO enable notification, carry out TFO negotiation with opposite end TRAU, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to BTS, wherein, in TFO configuration parameter, carry response message or the TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
Wherein, BTS is enabling after TFO, by sign judge TRAU send message in carry TFO configuration parameter, extract TFO configuration parameter, judgement need to be replied, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein, in TFO configuration parameter, carry the response message of the TFO negotiation result that TRAU end is sent.
Said method also comprises: set up after TFO at TRAU, receive the message that carries TFO configuration parameter and sign that BTS sends, judge and in this message, carry TFO configuration parameter by sign, extract TFO configuration parameter, and TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU.
Said method also comprises: receive at TRAU after the TFO configuration frame of opposite end TRAU transmission, TFO is configured to TFO configuration parameter in frame and sign and be carried at the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to BTS.
Wherein, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, the RTP message that TFO configuration parameter and sign is encapsulated as separately to non-voice form specifically comprises: in the time that needs send speech data, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form.
Said method also comprises: step 1, and receive at BTS the message that TRAU sends, and judge that in message, carrying TFO sets up while notice, start the timer setting in advance, carry out loop round-trip delay RTD and measure; Step 2, BTS is carried at TFO configuration parameter and sign the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein in TFO configuration parameter, carry RTD information; Step 3, BTS judges that timer is not overtime, and receives the message that TRAU sends, and determines in message and carries TFO configuration parameter according to the identification information carrying in message, extracts TFO configuration parameter, determines that TFO configuration parameter is RTD response message, removes timer; Step 4, BTS judges timer expiry, and does not receive the message that TFO configuration parameter is RTD measurement response that carries of TRAU transmission, the timer that resets, and perform step 2.
The present invention also provides a kind of TFO configuration parameter transmission system, comprise: base transceiver station BTS, for in the situation that terminal is initiated audio call by AMR algorithm, receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU, wherein, in TFO configuration parameter, carry TFO enable notification, TRAU, for in the time not setting up TFO, by sign judge BTS send message in carry TFO configuration parameter, extract TFO configuration parameter, enable local TFO according to TFO enable notification, carry out TFO negotiation with opposite end TRAU, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to BTS, wherein, in TFO configuration parameter, carry response message or the TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
Wherein, BTS is further used for: enabling after TFO, by sign judge TRAU send message in carry TFO configuration parameter, extract TFO configuration parameter, judgement need to be replied, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein, in TFO configuration parameter, carry replying of TFO configuration parameter to receiving.
Wherein, TRAU is further used for: setting up after TFO, receive the message that carries TFO configuration parameter and sign that BTS sends, judge and in this message, carry TFO configuration parameter by sign, extract TFO configuration parameter, and TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU.
Wherein, TRAU is further used for: receiving after the TFO configuration frame of opposite end TRAU transmission, TFO is configured to TFO configuration parameter in frame and sign and be carried at the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation are sent to BTS.
Wherein, BTS specifically for: in the time that needs send speech data, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form; TRAU specifically for: in the time that needs send speech data, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form.
Wherein, BTS further comprises: start module, and the message sending for receive TRAU at BTS, and judge that in message, carrying TFO sets up while notice, and start the timer setting in advance, carry out loop round-trip delay RTD and measure, call sending module; Sending module, for TFO configuration parameter and sign being carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein in TFO configuration parameter, carry RTD information, and in the time that definite timer is not overtime, call removing module, in the time determining timer expiry, call reseting module; Remove module, the message sending for receiving TRAU, determines in message and carries TFO configuration parameter according to the identification information carrying in message, extracts TFO configuration parameter, determines that TFO configuration parameter is RTD response message, removes timer; Reseting module, for determining that the TFO configuration parameter that carries that does not receive that TRAU sends is RTD while measuring the message of response, the timer that resets, and call sending module.
Beneficial effect of the present invention is as follows:
By effectively utilizing the feature of IPAbis transmission, separate the transmission of TFO configuration messages, make Abis mouth not need to steal again frame, the impact of TFO on voice quality can reduce AMR algorithm time, promotes TFO performance.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Accompanying drawing explanation
By reading below detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Accompanying drawing is only for the object of preferred implementation is shown, and do not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1 is the flow chart of the TFO configuration parameter transmission method of the embodiment of the present invention;
Fig. 2 is the TFO configuration frame type schematic diagram of the embodiment of the present invention;
The mutual signaling process of typical Abis mouth configuration frame when Fig. 3 is the AMR algorithm of TFO protocol description of the embodiment of the present invention;
Fig. 4 is the signaling process figure of the RTD method of measurement of the existing protocol regulation of the embodiment of the present invention;
Fig. 5 is the signaling process figure of the RTD method of measurement of the embodiment of the present invention;
Fig. 6 is the transmitting audio data of the embodiment of the present invention and the RTP message schematic diagram of TFO configuration information;
Fig. 7 is the structural representation of the TFO configuration parameter transmission system of the embodiment of the present invention.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment of the present disclosure in accompanying drawing, but should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can be by the those skilled in the art that conveys to complete the scope of the present disclosure.
For fear of the frame of stealing that causes Abis mouth, and the impact of TFO on voice quality while reducing AMR algorithm, promote TFO performance, the invention provides a kind of TFO configuration parameter transmission method and system, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limit the present invention.
Embodiment of the method
According to embodiments of the invention, a kind of TFO configuration parameter transmission method is provided, in the present embodiment, the IP message that carries speech data adopts RTP message to transmit.Fig. 1 is the flow chart of the TFO configuration parameter transmission method of the embodiment of the present invention, as shown in Figure 1, comprises following processing according to the TFO configuration parameter transmission method of the embodiment of the present invention:
Step 101, in the situation that terminal is initiated audio call by AMR algorithm, base transceiver station BTS is receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU, wherein, in TFO configuration parameter, carry TFO enable notification,
Step 102, TRAU is not in the time setting up TFO, by sign judge BTS send message in carry TFO configuration parameter, extract TFO configuration parameter, enable local TFO according to TFO enable notification, carry out TFO negotiation with opposite end TRAU, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to BTS, wherein, in TFO configuration parameter, carry response message or the TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
After having carried out step 102, also comprise following processing: BTS by sign judge TRAU send message in carry TFO configuration parameter, extract TFO configuration parameter, be judged as TFO negotiation result information, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein, in TFO configuration parameter, carry the response message of the TFO negotiation result that TRAU end is sent.
Preferably, set up after TFO at TRAU, receive the message that carries TFO configuration parameter and sign that BTS sends, judge and in message, carry TFO configuration parameter by sign, extract TFO configuration parameter, and TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU.
Receive at TRAU after the TFO configuration frame of opposite end TRAU transmission, TFO is configured to TFO configuration parameter in frame and sign and be carried at the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to BTS.
BTS receives after the RTP message of TRAU transmission, judge and in RTP message, carry TFO configuration parameter by sign, extract TFO configuration parameter, judgement need to be replied, the TFO configuration parameter of replying and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, the TFO configuration parameter of replying and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message message of encapsulation is sent to TRAU.
In embodiments of the present invention, in the time that needs send speech data, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form.
It should be noted that, the TFO configuration parameter of the embodiment of the present invention also comprises: the information such as phonetic algorithm parameter and the TFO state of TRAU that mobile phone uses and supports.
In the time that BTS carries out RTD measurement, be handled as follows:
Step 1, receives at BTS the RTP message that TRAU sends, and judges that in RTP message, carrying TFO sets up while notice, starts the timer setting in advance, and carries out loop round-trip delay RTD and measures;
Step 2, BTS is carried at TFO configuration parameter and sign the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein in TFO configuration parameter, carry RTD information;
Step 3, BTS judges that timer is not overtime, and receives the message that TRAU sends, and determines in message and carries TFO configuration parameter according to the identification information carrying in message, extracts TFO configuration parameter, determines that TFO configuration parameter is RTD response message, removes timer;
Step 4, BTS judges timer expiry, and does not receive the message that TFO configuration parameter is RTD measurement response that carries of TRAU transmission, the timer that resets, and perform step 2.
Can find out from foregoing description, the embodiment of the present invention is by Abis port transmission link IPization, TFO message can no longer be limited to TDM when transmission completely and must steal transmission form in the band of frame to trau frame, but can adopt mode more flexibly to carry out independent transmission, thereby reduce the impact of frame on voice quality steathily, promoted TFO performance.In addition, the embodiment of the present invention can be according to the empirical value of RTD, and a time threshold T is set rTD, exceed T when sending configuration frame rTDtime, while still not receiving the response of opposite end, is restarted retransmission mechanism, and the configuration frame that has greatly reduced A mouth is stolen frame, has effectively promoted voice quality.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the present invention is described in detail.
If local BTS, TRAU are L_BTS, L_TRAU, opposite end module is D_BTS, D_TRAU, Fig. 2 is the TFO configuration frame type schematic diagram of the embodiment of the present invention, in TFO agreement, require the one end of receiving REQ configuration frame correspondence to reply ACK, this is called configuration interactive one time, before a configuration interactive completes, should not initiate new configuration interactive.
During due to non-AMR algorithm, BTS does not need to participate in TFO function, so the embodiment of the present invention describes as an example of AMR algorithm example, the mutual signaling process of typical Abis mouth configuration frame when Fig. 3 is the AMR algorithm of TFO protocol description of the embodiment of the present invention, the version that 3GPP agreement R5 is later, every transmission configuration frame, all need to use generic configuration frame format to carry out alternately, generic configuration frame only transmits TFO configuration information, and not transmitting audio data that is to say that transmission configuration frame has directly adopted the processing of stealing frame.And in TFO processing method provided by the invention, TFO message and speech data can transmit simultaneously, do not need frame steathily, thereby effectively promoted voice quality.
As shown in Figure 3, when AMR algorithm, L_BTS receives TFO enable messages, enters following steps:
Step 1:L_BTS arranges CON_REQ configuration information, comprises the phonetic algorithm parameter information that TFO enable notification and mobile phone use, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 2:L_BTS judges whether that the CON_REQ that receives L_TRAU replys, if do not received, repeats to send CON_REQ, otherwise stops sending CON_REQ;
Step 3:L_TRAU receives the RTP message that L_BTS sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, and TFO enables, L_TRAU enables local TFO, starts to initiate the TFO interacting message of A mouth, sends DL_ACK to L_BTS simultaneously;
Step 4:L_TRAU arranges DL_ACK configuration information, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 5:L_TRAU judges whether to continue to receive the CON_REQ of L_BTS transmission, if it is continues to reply DL_ACK, otherwise thinks that Abis configuration initially completes alternately.Send TFO_OFF notice to L_BTS;
Step 6:L_TRAU arranges DIS_REQ configuration information, and TFO state is designated as TFO_OFF, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 7:L_BTS receives the RTP message that L_TRAU sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is DIS_REQ, and TFO state is designated as TFO_OFF, upgrades the local state that records, and sends UL_ACK to L_TRAU;
Step 8:L_BTS arranges UL_ACK configuration information, and TFO state is designated as TFO_OFF, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 9:L_TRAU receives the RTP message that L_BTS sends, and judge that TFO cue mark is 1, and the TFO configuration information of extraction in message is UL_ACK, and TFO state is designated as TFO_OFF, thinks that TFO_OFF completes alternately;
Step 10:L_TRAU completes the TFO interacting message of A mouth, and TFO consults successfully, need to notify L_BTS TFO state to be updated to TFO_SOON, and DIS_REQ configuration information is set, and TFO state is designated as TFO_SOON, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 11:L_BTS receives the RTP message that L_TRAU sends, judge that TFO cue mark is 1, the TFO configuration information extracting in message is DIS_REQ, TFO state is designated as TFO_SOON, local state is recorded in renewal, start to carry out speed adjustment control according to the speed indication in message simultaneously, when speed is adjusted to predetermined speed indication by the time, send UL_ACK to L_TRAU;
Step 12:L_BTS arranges UL_ACK configuration information, puts TFO state simultaneously and is designated as TFO_SOON, and after configuration information is carried to speech data, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 13:L_TRAU receives the RTP message that L_BTS sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is UL_ACK, and TFO state is designated as TFO_SOON, think that TFO_SOON completes alternately, and speed adjusts to the right place, the TFO frame that starts to carry out A mouth is mutual;
Step 14:L_TRAU receives the TFO frame that opposite end sends, TFO sets up, notice L_BTS TFO state is updated to TFO_ON, DIS_REQ configuration information is set, TFO state is designated as TFO_ON, after configuration information is carried to speech data, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 15:L_BTS receives the RTP message that L_TRAU sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is DIS_REQ, and TFO state is designated as TFO_ON, upgrades the local state that records, and sends UL_ACK to L_TRAU;
Step 16:L_BTS arranges UL_ACK configuration information, put TFO state simultaneously and be designated as TFO_ON, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 17:L_TRAU receives the RTP message that L_BTS sends, and judge that TFO cue mark is 1, and the TFO configuration information of extraction in message is UL_ACK, and TFO state is designated as TFO_ON, thinks that TFO_ON completes alternately.
TFO sets up, L_BTS receives TFO_ON notice, starting RTD measures, Fig. 4 is the signaling process figure of the RTD method of measurement of the existing protocol regulation of the embodiment of the present invention, wherein, L_BTS starts the transmission of CON_REQ, in the time of transmission voice frames not continuous every frame, every N=4 frame sends a CON_REQ during in transmission voice frames, until receive that the CON_ACK of opposite end replys.Although L_BTS sends continuously CON_REQ and can not impact the up voice in this locality in the time of transmission voice frames not, but D_BTS needs to reply one by one after receiving continuously some CON_REQ, this is up to opposite end, that is to say that local downlink voice still can make a big impact.In the TFO processing method providing in the embodiment of the present invention, BTS, take rational TRTD as time threshold, can effectively reduce the frequent transmission of CON_REQ, steals thereby reduce the impact that frame causes voice quality.Fig. 5 is the signaling process figure of the RTD method of measurement of the embodiment of the present invention, and as shown in Figure 5, L_BTS is receiving after TFO_ON notice, entering following steps and process:
Step 1: start timer TRTD, TRTD is much larger than 80ms(4 trau frame), as TRTD=240ms, the CON_REQ simultaneously starting for measuring BTS round-trip delay RTD sends;
Step 2:L_BTS arranges CON_REQ configuration information, carries the local phonetic algorithm information using, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 3:L_TRAU receives the RTP message that L_BTS sends, TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, judges that local TFO sets up, extract all configuration parameters of CON_REQ, the TFO configuration frame of composition A mouth sends to opposite end;
Step 4:D_TRAU receives the TFO configuration frame CON_REQ of A mouth, extracts configuration parameter, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends to D_BTS;
Step 5:D_BTS receives the RTP message that D_TRAU sends, and TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, sends CON_ACK;
Step 6:D_BTS arranges CON_ACK configuration information, carries the local phonetic algorithm information using, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 7:D_TRAU receives the RTP message that D_BTS sends, TFO cue mark is 1, and the TFO configuration information extracting in message is CON_ACK, judges that local TFO sets up, extract all configuration parameters of CON_ACK, the TFO configuration frame of composition A mouth sends to opposite end;
Step 8:L_TRAU receives the TFO configuration frame CON_ACK of A mouth, extracts configuration parameter, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends to L_BTS;
Step 9:L_BTS receives the RTP message that L_TRAU sends, and TFO cue mark is 1, and the TFO configuration information extracting in message is CON_ACK, removes TRTD timer;
Step 10: if L_BTS at the overtime CON_ACK that do not receive yet of TRTD, the TRTD timer that resets, gets back to step 2 and processes.
In above-mentioned treatment step, L_BTS and D_BTS are symmetrical network elements, and described processing procedure is all mirror image.
Fig. 6 is the transmitting audio data of the embodiment of the present invention and the RTP message schematic diagram of TFO configuration information.As shown in Figure 6, user-plane voice data and TFO configuration information are encapsulated in message and transmit as RTP payload, TFO configuration information comprises cue mark TFO Flag and configuration parameter two parts, in the time that being 0, TFO Flag represents thereafter without configuration parameter, in the time that TFO Flag is 1, represent to comprise thereafter configuration parameter, need receiving terminal to carry out respective handling.
It should be noted that, in the TFO processing method of the IPAbis scene providing in the embodiment of the present invention, the TFO interacting message of IP Abis can also adopt the mode of separating with user-plane voice data message to transmit, for example, user face data uses RTP message transmissions, the mode that TFO message can be used RTCP message to transmit.But the synchronous mode efficiency not as TFO parameter and speech data merging transmission of user face data and TFO message is high.
In sum, put forward the TFO processing method of the IPAbis scene of embodiment confession by means of the present invention, effectively utilize the feature of IPAbis transmission, separate the transmission of TFO configuration messages, make Abis mouth not need to steal again frame, during TFO consults to set up, effectively improved voice quality and TFO performance, simultaneously after TFO sets up, by RTD time threshold is rationally set, avoid frequently retransmitting configuration information and causing due to BTS the frame of stealing of voice, from and further optimized TFO performance.
Device embodiment
According to embodiments of the invention, a kind of TFO configuration parameter transmission system is provided, Fig. 7 is the structural representation of the TFO configuration parameter transmission system of the embodiment of the present invention, as shown in Figure 7, comprise according to the TFO configuration parameter transmission system of the embodiment of the present invention: BTS 70 and TRAU 72, below be described in detail the modules of the embodiment of the present invention.
BTS 70, for in the situation that terminal is initiated audio call by AMR algorithm, receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU 72, wherein, in TFO configuration parameter, carry TFO enable notification,
Preferably, BTS 70 is further used for:
Enabling after TFO, receive the RTP message that carries TFO sign that TRAU 72 sends, judge and in RTP message, carry TFO configuration parameter by sign, extract TFO configuration parameter, judgement need to be replied, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, and RTP message is sent to pattern conversion and Rate Adapter Unit TRAU 72, wherein, in TFO configuration parameter, carry the response message of the TFO configuration parameter to receiving, preferably, BTS 70 specifically for: in the time that needs send speech data, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, in the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form,
BTS 70 further comprises:
Start module, for receiving at BTS 70 message that TRAU 72 sends, and judge that in message, carrying TFO sets up while notice, start the timer setting in advance, carry out loop round-trip delay RTD and measure, call sending module;
Sending module, for TFO configuration parameter and sign being carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, , or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU 72, wherein in TFO configuration parameter, carry RTD information, and in the time that definite timer is not overtime, call removing module, in the time determining timer expiry, call reseting module,
Remove module, the message sending for receiving TRAU 72, determines in message and carries TFO configuration parameter according to the identification information carrying in message, extracts TFO configuration parameter, determines that TFO configuration parameter is RTD response message, removes timer;
Reseting module, for determining that the TFO configuration parameter that carries that does not receive that TRAU 72 sends is RTD while measuring the message of response, the timer that resets, and call sending module.
TRAU 72, for in the time not setting up TFO, judge in the message that BTS 70 sends and carry TFO configuration parameter by sign, extract TFO configuration parameter, enable local TFO according to TFO enable notification, carry out TFO negotiation with opposite end TRAU 72, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, and RTP message is sent to BTS 70, wherein, in TFO configuration parameter, carry response message or the TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
Preferably, TRAU 72 is further used for:
Setting up after TFO, receive the RTP message that carries TFO configuration parameter and sign that BTS 70 sends, judge and in RTP message, carry TFO configuration parameter by sign, extract TFO configuration parameter, and TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU72.
Receiving after the TFO configuration frame that opposite end TRAU 72 sends, TFO is configured to TFO configuration parameter in frame and sign and be carried at the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, and RTP message is sent to BTS 70.
In the time that needs send speech data, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form.
Can find out from foregoing description, the embodiment of the present invention is by Abis port transmission link IPization, TFO message can no longer be limited to TDM when transmission completely and must steal transmission form in the band of frame to trau frame, but can adopt mode more flexibly to carry out independent transmission, thereby reduce the impact of frame on voice quality steathily, promoted TFO performance.In addition, the embodiment of the present invention can be according to the empirical value of RTD, and a time threshold T is set rTD, exceed T when sending configuration frame rTDtime is not still received the response of opposite end, restarts retransmission mechanism, and the configuration frame that has greatly reduced A mouth is stolen frame, has effectively promoted voice quality.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the present invention is described in detail.
If local BTS, TRAU are L_BTS, L_TRAU, opposite end module is D_BTS, D_TRAU, Fig. 2 is the TFO configuration frame type schematic diagram of the embodiment of the present invention, in TFO agreement, require the one end of receiving REQ configuration frame correspondence to reply ACK, this is called configuration interactive one time, before a configuration interactive completes, should not initiate new configuration interactive.
During due to non-AMR algorithm, BTS does not need to participate in TFO function, so the embodiment of the present invention describes as an example of AMR algorithm example, the mutual signaling process of typical Abis mouth configuration frame when Fig. 3 is the AMR algorithm of TFO protocol description of the embodiment of the present invention, the version that 3GPP agreement R5 is later, every transmission configuration frame, all need to use generic configuration frame format to carry out alternately, generic configuration frame only transmits TFO configuration information, and not transmitting audio data that is to say that transmission configuration frame has directly adopted the processing of stealing frame.And in TFO processing method provided by the invention, TFO message and speech data can transmit simultaneously, do not need frame steathily, thereby effectively promoted voice quality.
As shown in Figure 3, when AMR algorithm, L_BTS receives TFO enable messages, enters following steps:
Step 1:L_BTS arranges CON_REQ configuration information, comprises the phonetic algorithm parameter information that TFO enable notification and mobile phone use, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 2:L_BTS judges whether that the CON_REQ that receives L_TRAU replys, if do not received, repeats to send CON_REQ, otherwise stops sending CON_REQ;
Step 3:L_TRAU receives the RTP message that L_BTS sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, and TFO enables, L_TRAU enables local TFO, starts to initiate the TFO interacting message of A mouth, sends DL_ACK to L_BTS simultaneously;
Step 4:L_TRAU arranges DL_ACK configuration information, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 5:L_TRAU judges whether to continue to receive the CON_REQ of L_BTS transmission, if it is continues to reply DL_ACK, otherwise thinks that Abis configuration initially completes alternately.Send TFO_OFF notice to L_BTS;
Step 6:L_TRAU arranges DIS_REQ configuration information, and TFO state is designated as TFO_OFF, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 7:L_BTS receives the RTP message that L_TRAU sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is DIS_REQ, and TFO state is designated as TFO_OFF, upgrades the local state that records, and sends UL_ACK to L_TRAU;
Step 8:L_BTS arranges UL_ACK configuration information, and TFO state is designated as TFO_OFF, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 9:L_TRAU receives the RTP message that L_BTS sends, and judge that TFO cue mark is 1, and the TFO configuration information of extraction in message is UL_ACK, and TFO state is designated as TFO_OFF, thinks that TFO_OFF completes alternately;
Step 10:L_TRAU completes the TFO interacting message of A mouth, and TFO consults successfully, need to notify L_BTS TFO state to be updated to TFO_SOON, and DIS_REQ configuration information is set, and TFO state is designated as TFO_SOON, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 11:L_BTS receives the RTP message that L_TRAU sends, judge that TFO cue mark is 1, the TFO configuration information extracting in message is DIS_REQ, TFO state is designated as TFO_SOON, local state is recorded in renewal, start to carry out speed adjustment control according to the speed indication in message simultaneously, when speed is adjusted to predetermined speed indication by the time, send UL_ACK to L_TRAU;
Step 12:L_BTS arranges UL_ACK configuration information, puts TFO state simultaneously and is designated as TFO_SOON, and after configuration information is carried to speech data, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 13:L_TRAU receives the RTP message that L_BTS sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is UL_ACK, and TFO state is designated as TFO_SOON, think that TFO_SOON completes alternately, and speed adjusts to the right place, the TFO frame that starts to carry out A mouth is mutual;
Step 14:L_TRAU receives the TFO frame that opposite end sends, TFO sets up, notice L_BTS TFO state is updated to TFO_ON, DIS_REQ configuration information is set, TFO state is designated as TFO_ON, after configuration information is carried to speech data, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 15:L_BTS receives the RTP message that L_TRAU sends, and judges that TFO cue mark is 1, and the TFO configuration information extracting in message is DIS_REQ, and TFO state is designated as TFO_ON, upgrades the local state that records, and sends UL_ACK to L_TRAU;
Step 16:L_BTS arranges UL_ACK configuration information, put TFO state simultaneously and be designated as TFO_ON, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 17:L_TRAU receives the RTP message that L_BTS sends, and judge that TFO cue mark is 1, and the TFO configuration information of extraction in message is UL_ACK, and TFO state is designated as TFO_ON, thinks that TFO_ON completes alternately.
TFO sets up, L_BTS receives TFO_ON notice, starting RTD measures, Fig. 4 is the signaling process figure of the RTD method of measurement of the existing protocol regulation of the embodiment of the present invention, wherein, L_BTS starts the transmission of CON_REQ, in the time of transmission voice frames not continuous every frame, every N=4 frame sends a CON_REQ during in transmission voice frames, until receive that the CON_ACK of opposite end replys.Although L_BTS sends continuously CON_REQ and can not impact the up voice in this locality in the time of transmission voice frames not, but D_BTS needs to reply one by one after receiving continuously some CON_REQ, this is up to opposite end, that is to say that local downlink voice still can make a big impact.In the TFO processing method providing in the embodiment of the present invention, BTS, take rational TRTD as time threshold, can effectively reduce the frequent transmission of CON_REQ, steals thereby reduce the impact that frame causes voice quality.Fig. 5 is the signaling process figure of the RTD method of measurement of the embodiment of the present invention, and as shown in Figure 5, L_BTS is receiving after TFO_ON notice, entering following steps and process:
Step 1: start timer TRTD, TRTD is much larger than 80ms(4 trau frame), as TRTD=240ms, the CON_REQ simultaneously starting for measuring BTS round-trip delay RTD sends;
Step 2:L_BTS arranges CON_REQ configuration information, carries the local phonetic algorithm information using, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 3:L_TRAU receives the RTP message that L_BTS sends, TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, judges that local TFO sets up, extract all configuration parameters of CON_REQ, the TFO configuration frame of composition A mouth sends to opposite end;
Step 4:D_TRAU receives the TFO configuration frame CON_REQ of A mouth, extracts configuration parameter, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends to D_BTS;
Step 5:D_BTS receives the RTP message that D_TRAU sends, and TFO cue mark is 1, and the TFO configuration information extracting in message is CON_REQ, sends CON_ACK;
Step 6:D_BTS arranges CON_ACK configuration information, carries the local phonetic algorithm information using, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends;
Step 7:D_TRAU receives the RTP message that D_BTS sends, TFO cue mark is 1, and the TFO configuration information extracting in message is CON_ACK, judges that local TFO sets up, extract all configuration parameters of CON_ACK, the TFO configuration frame of composition A mouth sends to opposite end;
Step 8:L_TRAU receives the TFO configuration frame CON_ACK of A mouth, extracts configuration parameter, and whether judgement now needs to send speech data.If needed, after configuration information being carried to speech data, otherwise configuration information is filled in user's face Nodata message, put TFO cue mark is 1 simultaneously, is encapsulated as RTP message and sends to L_BTS;
Step 9:L_BTS receives the RTP message that L_TRAU sends, and TFO cue mark is 1, and the TFO configuration information extracting in message is CON_ACK, removes TRTD timer;
Step 10: if L_BTS at the overtime CON_ACK that do not receive yet of TRTD, the TRTD timer that resets, gets back to step 2 and processes.
In above-mentioned treatment step, L_BTS and D_BTS are symmetrical network elements, and described processing procedure is all mirror image.
Fig. 6 is the transmitting audio data of the embodiment of the present invention and the RTP message schematic diagram of TFO configuration information.As shown in Figure 6, user-plane voice data and TFO configuration information are encapsulated in message and transmit as RTP payload, TFO configuration information comprises cue mark TFO Flag and configuration parameter two parts, in the time that being 0, TFO Flag represents thereafter without configuration parameter, in the time that TFO Flag is 1, represent to comprise thereafter configuration parameter, need receiving terminal to carry out respective handling.
It should be noted that, in the TFO processing method of the IPAbis scene providing in the embodiment of the present invention, the TFO interacting message of IP Abis can also adopt the mode of separating with user-plane voice data message to transmit, for example, user face data uses RTP/UDP message transmissions, the mode that TFO message can be used RTCP/UDP message to transmit.But the synchronous mode efficiency not as TFO parameter and speech data merging transmission of user face data and TFO message is high.
In sum, put forward the TFO processing method of the IPAbis scene of embodiment confession by means of the present invention, effectively utilize the feature of IPAbis transmission, separate the transmission of TFO configuration messages, make Abis mouth not need to steal again frame, during TFO consults to set up, effectively improved voice quality and TFO performance, simultaneously after TFO sets up, by RTD time threshold is rationally set, avoid frequently retransmitting configuration information and causing due to BTS the frame of stealing of voice, from and further optimized TFO performance.
The algorithm providing at this is intrinsic not relevant to any certain computer, virtual system or miscellaneous equipment with demonstration.Various general-purpose systems also can with based on using together with this teaching.According to description above, it is apparent constructing the desired structure of this type systematic.In addition, the present invention is not also for any certain programmed language.It should be understood that and can utilize various programming languages to realize content of the present invention described here, and the description of above language-specific being done is in order to disclose preferred forms of the present invention.
In the specification that provided herein, a large amount of details are described.But, can understand, embodiments of the invention can be put into practice in the situation that there is no these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the above in the description of exemplary embodiment of the present invention, each feature of the present invention is grouped together into single embodiment, figure or sometimes in its description.But, the method for the disclosure should be construed to the following intention of reflection: the present invention for required protection requires than the more feature of feature of clearly recording in each claim.Or rather, as reflected in claims below, inventive aspect is to be less than all features of disclosed single embodiment above.Therefore, claims of following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
It will be understood by those skilled in the art that and can the module in the equipment in embodiment adaptively be changed and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and can put them in addition multiple submodules or subelement or sub-component.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to combine all processes or the unit of disclosed all features in this specification (comprising claim, summary and the accompanying drawing followed) and disclosed any method like this or equipment.Unless clearly statement in addition, in this specification (comprising claim, summary and the accompanying drawing followed) disclosed each feature can be by providing identical, be equal to or the alternative features of similar object replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included in other embodiment, the combination of the feature of different embodiment means within scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with compound mode arbitrarily.
All parts embodiment of the present invention can realize with hardware, or realizes with the software module of moving on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that and can use in practice microprocessor or digital signal processor (DSP) to realize according to the some or all functions of the some or all parts in the TFO negotiating system of the embodiment of the present invention.The present invention can also be embodied as part or all equipment or the device program (for example, computer program and computer program) for carrying out method as described herein.Realizing program of the present invention and can be stored on computer-readable medium like this, or can there is the form of one or more signal.Such signal can be downloaded and obtain from internet website, or provides on carrier signal, or provides with any other form.

Claims (12)

1. a series connection free operant TFO configuration parameter transmission method, is characterized in that, comprising:
In the situation that terminal is initiated audio call by AMR algorithm, base transceiver station BTS is receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU, wherein, in described TFO configuration parameter, carry described TFO enable notification,
Described TRAU is not in the time setting up TFO, judge in the message that described BTS sends and carry TFO configuration parameter by described sign, extract described TFO configuration parameter, enable local TFO according to described TFO enable notification, carry out TFO negotiation with opposite end TRAU, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described BTS, wherein, in described TFO configuration parameter, carry response message or the described TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
2. the method for claim 1, is characterized in that, described method also comprises:
BTS is enabling after TFO, by sign judge TRAU send message in carry TFO configuration parameter, extract TFO configuration parameter, judgement need to be replied, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein, in TFO configuration parameter, carry the response message of the TFO negotiation result that TRAU end is sent.
3. method as claimed in claim 2, is characterized in that, described method also comprises:
Set up after TFO at described TRAU, receive the message that carries TFO configuration parameter and sign that described BTS sends, judge and in this message, carry TFO configuration parameter by described sign, extract described TFO configuration parameter, and described TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU.
4. method as claimed in claim 3, is characterized in that, described method also comprises:
Receive at described TRAU after the TFO configuration frame of opposite end TRAU transmission, TFO configuration parameter in described TFO configuration frame and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described BTS.
5. the method for claim 1, it is characterized in that, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or the RTP message that TFO configuration parameter and sign is encapsulated as separately to non-voice form specifically comprises:
In the time that needs send speech data, described TFO configuration parameter and described sign are carried to the RTP message that is encapsulated as speech form after speech data;
In the time not needing to send speech data, described TFO configuration parameter and described sign are encapsulated as separately to the RTP message of non-voice form.
6. the method for claim 1, is characterized in that, described method also comprises:
Step 1, receives at described BTS the message that described TRAU sends, and judges that in described message, carrying TFO sets up while notice, starts the timer setting in advance, and carries out loop round-trip delay RTD and measures;
Step 2, described BTS is carried at TFO configuration parameter and sign the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described TRAU, in wherein said TFO configuration parameter, carry RTD information;
Step 3, described BTS judges that described timer is not overtime, and receive the message that described TRAU sends, determine and in described message, carry TFO configuration parameter according to the identification information carrying in described message, extract described TFO configuration parameter, determine that described TFO configuration parameter is RTD response message, removes described timer;
Step 4, described BTS judges described timer expiry, and does not receive the message that TFO configuration parameter is RTD measurement response that carries of described TRAU transmission, the described timer that resets, and perform step 2.
7. a series connection free operant TFO configuration parameter transmission system, is characterized in that, comprising:
Base transceiver station BTS, for in the situation that terminal is initiated audio call by AMR algorithm, receiving after the TFO enable notification of BSC transmission, TFO configuration parameter and sign are carried to the realtime transmission protocol RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to pattern conversion and Rate Adapter Unit TRAU, wherein, in described TFO configuration parameter, carry described TFO enable notification,
Described TRAU, for in the time not setting up TFO, judge in the message that described BTS sends and carry TFO configuration parameter by described sign, extract described TFO configuration parameter, enable local TFO according to described TFO enable notification, carry out TFO negotiation with opposite end TRAU, and TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described BTS, wherein, in described TFO configuration parameter, carry response message or the described TFO negotiation result information of the TFO configuration parameter that BTS end is sent.
8. system as claimed in claim 7, it is characterized in that, described BTS is further used for: enabling after TFO, by sign judge TRAU send message in carry TFO configuration parameter, extract TFO configuration parameter, judgement need to be replied, TFO configuration parameter and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to TRAU, wherein, in TFO configuration parameter, carry replying of TFO configuration parameter to receiving.
9. system as claimed in claim 8, it is characterized in that, described TRAU is further used for: setting up after TFO, receive the described message that carries TFO configuration parameter and sign that described BTS sends, judge and in this message, carry TFO configuration parameter by described sign, extract described TFO configuration parameter, and described TFO configuration parameter and speech data are configured to frame by TFO send to opposite end TRAU.
10. system as claimed in claim 9, it is characterized in that, described TRAU is further used for: receiving after the TFO configuration frame of opposite end TRAU transmission, TFO configuration parameter in described TFO configuration frame and sign are carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described BTS.
11. systems as claimed in claim 7, is characterized in that,
Described BTS specifically for: in the time that needs send speech data, described TFO configuration parameter and described sign are carried to the RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, described TFO configuration parameter and described sign are encapsulated as separately to the RTP message of non-voice form;
Described TRAU specifically for: in the time that needs send speech data, described TFO configuration parameter and described sign are carried to the RTP message that is encapsulated as speech form after speech data; In the time not needing to send speech data, described TFO configuration parameter and described sign are encapsulated as separately to the RTP message of non-voice form.
12. systems as claimed in claim 7, is characterized in that, described BTS further comprises:
Start module, the message sending for receive described TRAU at described BTS, and judge that in described message, carrying TFO sets up while notice, and start the timer setting in advance, carry out loop round-trip delay RTD and measure, call sending module;
Sending module, for TFO configuration parameter and sign being carried to the RTP message that is encapsulated as speech form after speech data, or, TFO configuration parameter and sign are encapsulated as separately to the RTP message of non-voice form, or, TFO configuration parameter and sign are encapsulated as to the message form different from user-plane voice data message, and the message of encapsulation is sent to described TRAU, in wherein said TFO configuration parameter, carry RTD information, and in the time that definite described timer is not overtime, call removing module, in the time determining described timer expiry, call reseting module,
Remove module, the message sending for receiving described TRAU, determines in described message and carries TFO configuration parameter according to the identification information carrying in described message, extracts described TFO configuration parameter, determine that described TFO configuration parameter is RTD response message, removes described timer;
Reseting module, for determining that the TFO configuration parameter that carries that does not receive that described TRAU sends is RTD while measuring the message of response, the described timer that resets, and call described sending module.
CN201210422844.6A 2012-10-30 2012-10-30 TFO configuration parameters transmission method and system Expired - Fee Related CN103796243B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210422844.6A CN103796243B (en) 2012-10-30 2012-10-30 TFO configuration parameters transmission method and system
PCT/CN2013/083630 WO2014067356A1 (en) 2012-10-30 2013-09-17 Method and system for transmitting configuration parameter of tandem free operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210422844.6A CN103796243B (en) 2012-10-30 2012-10-30 TFO configuration parameters transmission method and system

Publications (2)

Publication Number Publication Date
CN103796243A true CN103796243A (en) 2014-05-14
CN103796243B CN103796243B (en) 2017-04-05

Family

ID=50626443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210422844.6A Expired - Fee Related CN103796243B (en) 2012-10-30 2012-10-30 TFO configuration parameters transmission method and system

Country Status (2)

Country Link
CN (1) CN103796243B (en)
WO (1) WO2014067356A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017152387A1 (en) * 2016-03-09 2017-09-14 华为技术有限公司 Voice service processing method and apparatus
CN108282589A (en) * 2017-01-06 2018-07-13 中兴通讯股份有限公司 A kind of method, apparatus and system of communication negotiation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1342375A (en) * 1999-03-10 2002-03-27 艾利森电话股份有限公司 Arrangement for improving speech quality, especially for voice over IP calls
CN1684438A (en) * 2004-04-12 2005-10-19 宏碁股份有限公司 Wireless network and method for determining nearest wireless device
CN1870785A (en) * 2005-11-15 2006-11-29 华为技术有限公司 Method for implement secondary coding-decoding operation service at cross-packet network and media gateway
CN101835204A (en) * 2010-03-01 2010-09-15 华为技术有限公司 Voice communication method, equipment and system
US7876745B1 (en) * 2003-10-23 2011-01-25 Nortel Networks Limited Tandem free operation over packet networks
CN102090138A (en) * 2008-07-07 2011-06-08 艾利森电话股份有限公司 Method and transcoder entity for tandem free operation in a telecommunication network

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107211B (en) * 1999-07-09 2001-06-15 Nokia Networks Oy Method of conveying a coding task over a packet network

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1342375A (en) * 1999-03-10 2002-03-27 艾利森电话股份有限公司 Arrangement for improving speech quality, especially for voice over IP calls
US7876745B1 (en) * 2003-10-23 2011-01-25 Nortel Networks Limited Tandem free operation over packet networks
CN1684438A (en) * 2004-04-12 2005-10-19 宏碁股份有限公司 Wireless network and method for determining nearest wireless device
CN1870785A (en) * 2005-11-15 2006-11-29 华为技术有限公司 Method for implement secondary coding-decoding operation service at cross-packet network and media gateway
CN102090138A (en) * 2008-07-07 2011-06-08 艾利森电话股份有限公司 Method and transcoder entity for tandem free operation in a telecommunication network
CN101835204A (en) * 2010-03-01 2010-09-15 华为技术有限公司 Voice communication method, equipment and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017152387A1 (en) * 2016-03-09 2017-09-14 华为技术有限公司 Voice service processing method and apparatus
US10966208B2 (en) 2016-03-09 2021-03-30 Huawei Technolgies Co., Ltd. Voice service processing method and apparatus
CN108282589A (en) * 2017-01-06 2018-07-13 中兴通讯股份有限公司 A kind of method, apparatus and system of communication negotiation

Also Published As

Publication number Publication date
WO2014067356A1 (en) 2014-05-08
CN103796243B (en) 2017-04-05

Similar Documents

Publication Publication Date Title
CN100583691C (en) Synchronization method and system for transmitting voice data in a mobile communication system
CN101742697B (en) Method of improving a semi-persistent scheduling (sps) resource release process and related apparatus
EP2127412B1 (en) Technique for controlling establishment of a tandem-free transcoder operation
RU2009132931A (en) METHOD, DEVICE AND SYSTEM FOR INSTALLING A CARRIER CHANNEL IN A GSM NETWORK
CN102959920A (en) Codec deployment using in-band signals
Pham et al. Streaming the sound of smart cities: Experimentations on the smartsantander test-bed
WO2010095874A3 (en) Method and apparatus for transmitting/receiving data in a relay communication system
EP4247107A3 (en) Communication methods
CN106357372A (en) Method and device for avoiding feedback message resource conflict as well as base station and terminal
CN101043756B (en) Method, apparatus and system for processing special service after IP core network
CN103796243A (en) Tandem free operation (TFO) configuration parameter transmission method and TFO configuration parameter transmission system
CN101426189B (en) Method and system for additional information transmission
RU2656710C2 (en) Data transmission method and device
CN102395113B (en) Method and system for ensuring successful sending of messages
CN109842856A (en) A kind of method and apparatus shielding uplink packet loss
US8396049B2 (en) Method and transcoder entity for tandem free operation in a telecommunication network
EP1834495B1 (en) Method and apparatus for optimising the sending of tones/announcements during tandem-free operation (tfo)
JP2011130182A (en) Wireless base station system, and relay device
CN104994054A (en) Method of transmitting grouped data based on TD-SCDMA transparent transmission voice channel, and mobile terminal
CN102282886B (en) Method, mobile terminal, device and system for implementing voice services
CN101594692B (en) Method and system for quick calling establishment in IP ABIS
CN104486794B (en) Transmit the method, apparatus and system of voice IP messages
CN101394579A (en) Method and system for processing uploading downloading data in radio communication network
CN102263586B (en) Method, system and device for transmitting data frames
CN103078701A (en) Uplink voice data transmission method and device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170405

Termination date: 20191030

CF01 Termination of patent right due to non-payment of annual fee