CN103888977B - A kind of method of local exchange, control device and system - Google Patents
A kind of method of local exchange, control device and system Download PDFInfo
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- CN103888977B CN103888977B CN201410067794.3A CN201410067794A CN103888977B CN 103888977 B CN103888977 B CN 103888977B CN 201410067794 A CN201410067794 A CN 201410067794A CN 103888977 B CN103888977 B CN 103888977B
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Abstract
The invention provides a kind of method of local exchange, control device and system.Wherein this method includes：Whether the Adaptive Multi-Rate codec Speech version that detection needs the equipment for carrying out local exchange to use is identical, and whether the rate set of the Adaptive Multi-Rate codec Speech version has common factor；When the Adaptive Multi-Rate codec Speech version is identical, and the rate set of the Adaptive Multi-Rate codec Speech version is not occured simultaneously, the rate set of the Adaptive Multi-Rate codec Speech version is revised as having and occured simultaneously；Establish that the Adaptive Multi-Rate codec Speech version is identical and rate set has local exchange between the equipment occured simultaneously.The present invention can realize gives full play to AMR function to improve voice quality while MS carries out local exchange using AMR Speech version.
Description
Technical field
The present invention relates to network communication field, more particularly to a kind of method of local exchange, control device and system.
Background technology
With global system for mobile communications（GSM, Global System for Mobile Communications）Network
Development, GSM network application covering from dense city covering has turned to covering from far-off regions.The characteristics of these are from far-off regions
It is that place disperses, but personnel relatively concentrate, and general also concentrate between local user of conversing is carried out.In this covering
When, using local exchange technology, operator's networking cost can greatly be reduced.
Due to needing not move through code converter and Rate Adapter Unit when carrying out local exchange（Transcoder&Rate
Adaptation Unit,TRAU）Unit carries out rate adaptation, and this requires two movement stations for carrying out local exchange（Mobile
Station, MS）The rate type used must be consistent, i.e., two MS must use full-rate codes decoder simultaneously（Full
Rate speech codec FR）, enhanced full rate speed encoding decoder（Enhanced Full Rate speech codec,
EFR）Or half rate encoded decoder（Half Rate speech codec,HR）, local exchange can be carried out, otherwise will be led
Call is caused without speech.For Adaptive Multi-Rate codec（Adaptive Multi-Ratecodec, AMR）Speech version,
Due to MS and base transceiver station（Base Transceiver Station, BTS）Between be not using single-rate but one
Individual rate set activates（MS and BTS carries out the negotiation of rate type according to up-downgoing voice quality, selects a suitable speed
To be communicated）Although this will cause two MS all to use AMR Speech version, because the rate set that the two is used is different,
Cause when carrying out local exchange after local exchange without speech.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method of local exchange, control device and system, on overcoming
State problems of the prior art.
The embodiment of the present invention provides a kind of local exchange method, and this method includes：Detection needs to carry out setting for local exchange
It is whether identical for the Adaptive Multi-Rate codec Speech version used, and the Adaptive Multi-Rate codec voice
Whether the rate set of version, which has, is occured simultaneously；When the Adaptive Multi-Rate codec Speech version is identical, and it is described adaptive
When the rate set of multi rate codec Speech version is not occured simultaneously, by the Adaptive Multi-Rate codec Speech version
Rate set, which is revised as having, occurs simultaneously；Establish that the Adaptive Multi-Rate codec Speech version is identical and rate set has and handed over
Local exchange between the equipment of collection.
The embodiment of the present invention provides a kind of control device of local exchange again, and the device includes：Detection module, for detecting
Whether the Adaptive Multi-Rate codec Speech version for needing to carry out between the equipment of local exchange is identical and described adaptive
Whether answer the rate set of multi rate codec Speech version has common factor；Modified module, for being compiled when the AMR
Decoder Speech version is identical, and when the rate set of the Adaptive Multi-Rate codec Speech version is not occured simultaneously, by institute
The rate set for stating Adaptive Multi-Rate codec Speech version is revised as having common factor；Establish module, for establish it is described from
Adaptation multi rate codec Speech version is identical and rate set is with the local exchange between the equipment occured simultaneously.
The embodiment of the present invention also provides a kind of system of local exchange, and the system includes：Base station controller, needed for detecting
Whether Adaptive Multi-Rate codec Speech version is identical between carrying out the equipment of local exchange, and its whether rate set has
Occur simultaneously, when the Adaptive Multi-Rate codec Speech version is identical and the Adaptive Multi-Rate codec Speech version
Rate set when not occuring simultaneously, the rate set of Adaptive Multi-Rate codec Speech version is revised as having and occured simultaneously, and is built
The vertical Adaptive Multi-Rate codec Speech version is identical and rate set is with the local exchange between the equipment occured simultaneously.
With common factor base transceiver station, for using identical Adaptive Multi-Rate codec Speech version and adaptive with what is occured simultaneously
The rate set of multi rate codec Speech version is answered to carry out local exchange.
By the embodiment of the present invention, it can realize and carry out local exchange using AMR Speech version.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, not
Form limitation of the invention.In the accompanying drawings：
Fig. 1 is the flow chart according to the local exchange method of one embodiment of the invention.
Fig. 2 is the flow chart according to the local exchange method of another embodiment of the present invention.
Fig. 3 is the flow chart according to the local exchange method of another embodiment of the present invention.
Fig. 4 is the structural representation according to the control device of the local exchange of another embodiment of the present invention.
Fig. 5 is the structural representation according to the system of the local exchange of a further embodiment of this invention.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, with reference to embodiment and attached
Figure, is described in further details to the embodiment of the present invention.Here, the schematic description and description of the present invention is used to explain this
Invention, but it is not as a limitation of the invention.
Embodiment one
The present embodiment provides local exchange method, especially a kind of local exchange method for supporting AMR voice codings.Below
This method is described in detail with reference to accompanying drawing.
Reference picture 1, Fig. 1 show local exchange method according to an embodiment of the invention, and this method includes：
Step S101：Detection will carry out the Adaptive Multi-Rate codec Speech version that the equipment of local exchange uses
It is no identical, and the Adaptive Multi-Rate codec Speech version rate set whether have occur simultaneously；
Carrying out the equipment of local exchange includes mobile station and base transceiver station.
The step can be completed by BSC equipment, i.e. base station controller（Base Station Controler, BSC）, repair
Change Speech version specifically can use switching or schema modification method the AMR Speech version of two equipment is modified as it is identical,
Wherein, the specific implementation details of switching or schema modification may be referred to：
3.4.4Handover procedure and 3.4.6Channel mode modify in 3GPP TS44.018
Procedure parts, will not be described here.
AMR Speech version can be used to include full-speed voice version 3, full-speed voice version 5, half-rate speech version 3
Other AMR voices versions are used Deng Speech version, and the follow-up GSM that BSC is supported；
Step S102：When Adaptive Multi-Rate codec Speech version difference, the AMR is compiled
Decoder Speech version is revised as identical；When the rate set of the Adaptive Multi-Rate codec Speech version is not occured simultaneously
When, the rate set of the Adaptive Multi-Rate codec Speech version, which is revised as having, occurs simultaneously；
The step can be completed by BSC equipment, and one in local exchange is carried out by schema modification or switching modification
The AMR Speech version of equipment, make it identical with the AMR Speech version that opposite equip. uses, then by schema modification or cut again
Repair changes rate set, and making it, at least one speed is identical with opposite end MS rate set；
Step S103：Establish that the Adaptive Multi-Rate codec Speech version is identical and rate set has what is occured simultaneously
Local exchange between equipment.
The present embodiment can be revised as identical and be incited somebody to action by the AMR Speech version for using the equipment for carrying out local exchange
Its rate set, which is revised as having, occurs simultaneously, and realizes and carries out local exchange using AMR Speech version.
Embodiment two
The present embodiment provides a kind of local exchange method, especially a kind of local exchange method for supporting AMR voice codings.
This method is described in detail below in conjunction with the accompanying drawings.
Reference picture 2, show local exchange method according to another embodiment of the present invention, and this method includes：
Whether the AMR Speech version that the MS that step S201 detections will carry out local exchange is used is identical, and AMR Speech version
Rate set whether have and occur simultaneously, if AMR Speech version is identical and the rate set of AMR Speech version has and occured simultaneously, enter
Row following step 203；
If step 202 AMR Speech version differs, two MS AMR Speech version is modified as it is identical, if
The rate set of AMR Speech version is not occured simultaneously, then the rate set of two MS AMR Speech version is revised as at least part speed
Type is identical；The step is performed by BSC.BSC detections in the present embodiment and modification MS AMR Speech version and its rate set
Mode it is identical with embodiment one.Except that, BSC is repaiied simultaneously by the way of switching or schema modification with embodiment one
Change AMR Speech version and its speed collection；
Step S203 establishes that the Adaptive Multi-Rate codec Speech version is identical and rate set has what is occured simultaneously
Local exchange between equipment.
The present embodiment can realize the work(that AMR is given full play to while MS carries out local exchange using AMR Speech version
Voice quality can be improved, and the number of switching or schema modification can be reduced.
Embodiment three
The present embodiment provides a kind of local exchange method, especially a kind of local exchange method for supporting AMR voice codings.
This method is described in detail below in conjunction with the accompanying drawings.
Reference picture 3, show local exchange method according to another embodiment of the present invention, and this method includes：
Whether step S301 detections need the AMR Speech version that uses of MS for carrying out local exchange identical, if it is identical enter
Row following step, two MS AMR Speech version is modified as if differing identical；
Step S302 detections need to carry out whether have friendship in the rate set of AMR Speech version used in the MS of local exchange
Collection, if carrying out following step S303, the rate set of two MS AMR Speech version is revised as at least portion if not
Divide rate type identical；Above-mentioned steps are performed by BSC, and concrete mode is identical with embodiment one；
Step S303 fixes the rate type for the MS for carrying out local exchange；
In this step, after the BTS where BSC sends messages to two MS each uses modification during local exchange
An identical speed in the rate set of two MS AMR Speech version, and the speed for mutually notifying each BTS other side MS to use
Collection；
Step S304 performs local exchange between two MS；
The step is performed by BSC, to establish local exchange；
Step S305 carries out rate consulation.
In this step, the BTS where BSC notifies two MS each respectively carries out rate consulation, specially as a side MS
When needing to change rate type, the BTS where the MS judges whether opposite end MS supports amended rate type, if opposite end is not
The rate type is supported, then without the adjustment of rate type, otherwise carries out this change.Although in the present embodiment, in local
Exchange is established laggard scanning frequency rate and coordinated, but can also be carried out before local exchange foundation.
The present embodiment can realize the work(that AMR is given full play to while MS carries out local exchange using AMR Speech version
Voice quality can be improved, and can realize that speed between base station is coordinated.
Example IV
The present embodiment provides a kind of control device of local exchange, especially a kind of local friendship for supporting AMR voice codings
The control device changed.The device is described in detail below in conjunction with the accompanying drawings.
Reference picture 4, a kind of control device of local exchange according to another embodiment of the present invention is shown, the device bag
Include：
Detection module 41, for detecting the Adaptive Multi-Rate codec language for needing the equipment for carrying out local exchange to use
Whether sound version is identical, and whether the rate set of the Adaptive Multi-Rate codec Speech version has common factor；
Modified module 42, will be described adaptive for when the Adaptive Multi-Rate codec Speech version difference
Multi rate codec Speech version is revised as identical；When the rate set of the Adaptive Multi-Rate codec Speech version does not have
When having common factor, the rate set of the Adaptive Multi-Rate codec Speech version is revised as having and occured simultaneously；
Module 43 is established, for being concentrated with the two of identical rate type in the speed of AMR Speech version or AMR Speech version
Local exchange is established between individual MS.
Wherein, modified module 42 can by way of switching or schema modification in once changing by two MS AMR
Speech version is modified as identical, and it is identical that the rate set of two MS AMR Speech version is revised as at least part rate type,
It is of course also possible to switched twice or schema modification, once AMR Speech version is modified as it is identical, once by MR voice versions
It is identical that this rate set is revised as at least part rate type
As shown in figure 4, notification module 44 can also be included in said apparatus, for establishing local exchange establishing module 43
The BTS where two MS is notified using identical speed and to notify two BTS other side MS to use during local exchange before
Rate set, and BTS where notifying before or after establishing module 43 and establishing local exchange two MS each enters scanning frequency
Rate is consulted.The concrete operations that wherein each BTS carries out speed coordination are：When a side MS needs to change rate type, BTS judgements pair
Whether end MS supports amended rate type, if opposite end does not support the rate type, without the adjustment of rate type,
Otherwise rate type is changed.
The present embodiment can realize the work(that AMR is given full play to while MS carries out local exchange using AMR Speech version
Voice quality can be improved, reduce the number of operations of modification and can realize that the speed between base station is coordinated.
Embodiment five
The present embodiment provides a kind of system of local exchange, especially a kind of local exchange system for supporting AMR voice codings
System.The system is described in detail below in conjunction with the accompanying drawings.Reference picture 5, the system include：
Base station controller BSC, whether the AMR Speech version that detection needs the equipment for carrying out local exchange to use is identical, and
Whether the rate set of its AMR Speech version has common factor, and when the AMR Speech version difference, the AMR Speech version is changed
To be identical, when the rate set of AMR Speech version is not occured simultaneously, the rate set of AMR Speech version be revised as having and occured simultaneously, and
Establish that the Adaptive Multi-Rate codec Speech version is identical and rate set has local friendship between the equipment occured simultaneously
Change；
Base transceiver station, for being entered using identical AMR Speech version or the rate set with the AMR Speech version to occur simultaneously
Row local exchange.
Wherein, as shown in figure 5, MS can carry out local exchange by same BTS, as MS1 and MS2 passes through BTS1 progress sheets
Ground exchanges, and MS can also carry out local exchange by different BTS, as MS3 and MS4 carries out local friendship by BTS2 and BTS3 respectively
Change.
When MS carries out local exchange by different BTS, BSC is before local exchange is established, where notifying two MS
BTS, using identical speed and the rate set for mutually notifying two BTS other side MS to use, and is being built during local exchange
BTS where notifying two MS each before or after vertical local exchange carries out rate consulation.BTS carries out the specific of speed coordination
Operate and be：When a side needs to change rate type, BTS judges whether opposite end MS supports amended rate type, if not
The rate type opposite end is supported, then without the adjustment of rate type, otherwise carries out this change.
BSC changes AMR Speech version and its rate set by the method for switching or schema modification.
Originally the function that AMR is given full play to while MS carries out local exchange using AMR Speech version can be realized by applying example
To improve voice quality, reduce the number of operations of modification and can realize that the speed between base station is coordinated.
Although describing the technical scheme of various embodiments of the present invention with gsm system above, the present invention can also apply
Into other wireless access network systems, such as：Carry out the WCDMA system of speech business, TDS-CDMA systems.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further in detail
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in this
Within the protection domain of invention.
Claims (13)
1. a kind of local exchange method, it is characterised in that this method includes：
Base station controller detection needs the Adaptive Multi-Rate codec that the equipment for carrying out local exchange uses with opposite equip.
Whether Speech version is identical, and whether the rate set of the Adaptive Multi-Rate codec Speech version has common factor, institute
The equipment for stating progress local exchange is base transceiver station, and the opposite equip. is opposite end base transceiver station；
When the Adaptive Multi-Rate codec Speech version is identical, and the Adaptive Multi-Rate codec Speech version
Rate set when not occuring simultaneously, the base station controller repaiies the rate set of the Adaptive Multi-Rate codec Speech version
It is changed to have and occurs simultaneously；
Establish that the Adaptive Multi-Rate codec Speech version is identical and rate set has sheet between the equipment occured simultaneously
Ground exchanges.
2. according to the method for claim 1, it is characterised in that described by the Adaptive Multi-Rate codec voice version
This rate set is revised as：
The base station controller changes the Adaptive Multi-Rate codec voice version by the way of switching or schema modification
This rate set.
3. according to the method for claim 2, it is characterised in that changing the Adaptive Multi-Rate codec voice version
After this rate set, establish before local exchange operation, in addition to：
The speed that base transceiver station where the movement station of notice progress local exchange uses during local exchange, and notify
The rate set that the base transceiver station counterpart mobile station uses.
4. according to the method for claim 3, it is characterised in that also include：
The base transceiver station that notice carries out local exchange carries out rate consulation.
5. according to the method for claim 4, it is characterised in that：When the method, mobile station for carrying out local exchange needs to change speed
During rate, the base transceiver station where initiating the movement station that speed changes judges whether opposite end movement station and base transceiver station are supported
Amended speed, do not change speed if not supporting, otherwise change speed.
6. a kind of control device of local exchange, it is characterised in that the control device is base station controller, and the device includes：
Detection module, for detecting the self-adaption multi-speed encoding/decoding between the equipment for needing to carry out local exchange and opposite equip.
Whether device Speech version is identical, and whether the rate set of the Adaptive Multi-Rate codec Speech version has common factor, institute
The equipment for stating progress local exchange is base transceiver station, and the opposite equip. is opposite end base transceiver station；
Modified module, for when the Adaptive Multi-Rate codec Speech version it is identical, and the AMR compile
When the rate set of decoder Speech version is not occured simultaneously, the rate set of the Adaptive Multi-Rate codec Speech version is repaiied
It is changed to have and occurs simultaneously；
Module is established, the Adaptive Multi-Rate codec Speech version is identical and rate set has what is occured simultaneously for establishing
Local exchange between equipment.
7. device according to claim 6, it is characterised in that：The modified module is by way of switching or schema modification
Change the rate set of the Adaptive Multi-Rate codec Speech version.
8. device according to claim 7, it is characterised in that also include：
Notification module, used for notifying to carry out the base transceiver station where the movement station of local exchange during local exchange
Speed, and the rate set for notifying the base transceiver station counterpart mobile station to use.
9. device according to claim 8, it is characterised in that：The notification module, for notifying to carry out local exchange
Base transceiver station carries out rate consulation.
A kind of 10. system of local exchange, it is characterised in that：The system includes base station controller and base transceiver station；
The base station controller, compiled for detecting AMR between the equipment for needing to carry out local exchange and opposite equip.
Whether decoder Speech version is identical, and its whether rate set has common factor, when the Adaptive Multi-Rate codec voice version
This is identical, and when the rate set of the Adaptive Multi-Rate codec Speech version is not occured simultaneously, AMR is compiled
The rate set of decoder Speech version, which is revised as having, occurs simultaneously, and establishes the Adaptive Multi-Rate codec Speech version phase
Same and rate set has the local exchange between the equipment occured simultaneously, and the equipment for carrying out local exchange is base station transceiver
Platform, the opposite equip. are opposite end base transceiver station；
The base transceiver station, for using identical Adaptive Multi-Rate codec Speech version and adaptive with what is occured simultaneously
The rate set of multi rate codec Speech version is answered to carry out local exchange.
11. system according to claim 10, it is characterised in that：The base station controller is using switching or schema modification
Mode, change the rate set of the Adaptive Multi-Rate codec Speech version.
12. system according to claim 11, it is characterised in that：The base station controller is changing the adaptive multi-speed
After the rate set of rate codec Speech version, establish before local exchange, notice is carried out where the movement station of local exchange
The speed that is used during local exchange of base transceiver station, and the speed for notifying the base transceiver station counterpart mobile station to use
Rate collection.
13. system according to claim 12, it is characterised in that：The base station controller notifies described carry out locally respectively
Base transceiver station where the movement station of exchange carries out rate consulation.
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| CN201410067794.3A CN103888977B (en) | 2009-06-10 | 2009-06-10 | A kind of method of local exchange, control device and system |
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| CN201410067794.3A CN103888977B (en) | 2009-06-10 | 2009-06-10 | A kind of method of local exchange, control device and system |
| CN200910147413.1A CN101925043B (en) | 2009-06-10 | 2009-06-10 | Local exchange method, control device and system |
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| CN103888977B true CN103888977B (en) | 2017-12-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376372A (en) * | 1999-09-29 | 2002-10-23 | 诺基亚公司 | Handover performed within a base station controller |
| CN101378521A (en) * | 2007-08-29 | 2009-03-04 | 中国移动通信集团公司 | Method and system for implementing encode/decode-free operation |
| CN101378529A (en) * | 2007-08-29 | 2009-03-04 | 中国移动通信集团公司 | Method and system for implementing encode/decode-free operation |
-
2009
- 2009-06-10 CN CN201410067794.3A patent/CN103888977B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376372A (en) * | 1999-09-29 | 2002-10-23 | 诺基亚公司 | Handover performed within a base station controller |
| CN101378521A (en) * | 2007-08-29 | 2009-03-04 | 中国移动通信集团公司 | Method and system for implementing encode/decode-free operation |
| CN101378529A (en) * | 2007-08-29 | 2009-03-04 | 中国移动通信集团公司 | Method and system for implementing encode/decode-free operation |
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