CN101257657B - Method, apparatus and system for code conversion and velocity adaptation - Google Patents
Method, apparatus and system for code conversion and velocity adaptation Download PDFInfo
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- CN101257657B CN101257657B CN2008100346907A CN200810034690A CN101257657B CN 101257657 B CN101257657 B CN 101257657B CN 2008100346907 A CN2008100346907 A CN 2008100346907A CN 200810034690 A CN200810034690 A CN 200810034690A CN 101257657 B CN101257657 B CN 101257657B
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Abstract
The embodiment of the invention discloses a method for code conversion and rate adaptation, including: recieving the request for building the connection of user data and the request for releasing the connection of user data; distributing the resources of code conversion and rate adaptation for the said request for building the connection of user data if the inserted code conversion and rate adaptation functions is detected; or, releasing the the resources of code conversion and rate adaptation occupied by the connection of user data for the said request for releasing the connection of user data. The embodiment of the invention also discloses a device and system for code conversion and rate adaptation. The invention realizes that the function entity of code conversion and rate adaptation is inserted by the integrated treatment rather than the original independent treatment, thus reducing the independent space ocuupied by the original function entity, and saving the space resource. The whole system has the low lost, lower power consumption and easy maintenance. The invention raises the service quality of user. The invention has simple project and easy realization without the new control and signalling interface.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to the methods, devices and systems of code conversion and rate adapted.
Background technology
GSM (Global System for Mobile communication, global system for mobile communications) is a second generation digital cellular mobile communication systems, and BSS (Base Station Subsystem, base station sub-system) is the Radio Access Network of GSM.The GSM network architecture and the BSS position in GSM can be with reference to shown in Figure 1.
In the tradition, NSS (Network SubSystem, network subsystem) side adopts the physical transfer of 64k bit/s speed to transmit the user's voice data, and the interface between the BSS, is defined by the A interface.The BSS side adopts the more voice coding modes such as RPE-LTP (the Regular Pulse Excited Long TermPrediction of low rate; Regular-Pulse Excitation-long-term prediction; Be full rate FR), CELP (Code Excited LinearPredictive Coding; QCELP Qualcomm, i.e. EFR EFR) etc.; Inner at BSS, the band width in physical speed of the required Abis interface of these voice coding modes (interface between base station and the BSC) is all less than 16kbit/s.User data on the Um Interface is delivered to BSC inside by the 8bit/s of arrangement and use Abis interface or 16kbit/s transmission bandwidth.
TRAU (Transcoder/Adaptor Unit, code conversion and Rate Adapter Unit) is special relatively functional unit in the GSM system, and its completion NSS side standard 64kbit/s speed and BSS inside are than conversion between the low rate and submultiplex function.Point out that the BSS system needs the TRAU function in the regulation in People's Republic of China's communication industry standard " YD/T883-1999900/1800MHz TDMA digital cellular mobile communication systems second stage base station sub-system equipment and technology requires and the wireless index method of testing " the 4th chapter, and defined seven kinds of deployment forms.
The method that realizes code conversion and rate adapted in the background technology can be divided into two types basically:
The first kind is that the TRAU that realizes code conversion and rate adaptation function is positioned over the BSS outside, is an independent physical entity.Directly join through simple transmission cable (like E1/T1/STM-1/IP etc.) between TRAU and the BSC, be connected through transmission network (like SDH, PDH etc.) between TRAU and the MSC.Its concrete structural representation can be with reference to shown in Figure 2.
TRAU function in the such scheme, use machine frame packing in physics realization is stand-alone network elements on logic realization or be the network element that receives BSC control.At this moment, the flow process that user data transmits in BSC and TRAU can be with reference to shown in Figure 3.
The technical problem of background technology 1 is:
1, be connected through transmission cable between TRAU and the BSC, TRAU and BSC need increase interface unit (interface board) respectively and come the adapted transmission cable; Be connected through transmission network between TRAU and the MSC, TRAU and MSC need increase interface unit (interface board) respectively and come the adapted transmission network;
2, the TRAU function needs operator to provide the machine room space to hold the TRAU function physically needing the machine frame of physics; These machine frames have increased the power consumption of system;
3, to carry out repeatedly exchange and switching to user data, not only reduce QoS (Quality of Service, service quality), also reduce the reliability of whole network simultaneously user data;
4, TRAU is placed on the BSS side, can not a plurality of user speech be carried out multiplexingly, can not utilize the submultiplex function (can with at least 4 user's voice data multiplexs on a 64Kpbs) of TCSM, the resource of having wasted transmission network.
The implementation method of second type of background technology is the outside that TRAU is arranged on BSS, occurs as an independent physical entity.Join through transmission network (like SDH, PDH etc.) between TRAU and the BSC, directly be connected through simple transmission cable (like E1/T1/STM-1/IP etc.) between TRAU and the MSC.Its structure can be with reference to shown in Figure 4.This technical scheme has overcome the 4th technical problem of first kind technical scheme, still, its TRAU function, machine frame cabinet packing that equally need be independent in physics realization is stand-alone network elements on logic realization or be the network element that receives BSC control.At this moment, the schematic flow sheet that user data transmits in BSC and TRAU can be with reference to shown in Figure 5.
The technical problem of background technology 2 is:
Though background technology 2 has overcome the 4th technical problem of background technology 1, still exist with background technology 1 in identical preceding 3 technical problems.
Comprehensive above the analysis, visible, there is following problem in the background technology at least:
Because can not being embedded in the base station controller, code conversion in the background technology and rate adaptation function realize; Thereby make under the situation that the transmission network available transmission resources is enriched day by day, the base station controller disposal ability constantly strengthens; The code conversion and the rate adaptation function entity that exist with physically independent community's form; In occupation of more space and resource, increased the power consumption of system; The more important thing is, increased user data exchange and switching number of times, thereby reduced the service quality that offers user data.
Summary of the invention
In view of this; The purpose of the one or more embodiment of the present invention is to provide the methods, devices and systems of a kind of code conversion and rate adapted; With realization code conversion and rate adaptation function are embedded in the base station controller; The system resource that code conversion and rate adaptation function are occupied in the minimizing background technology reduces the number of times that the user data exchange is transferred, and improves the quality that the user serves.
For addressing the above problem, the embodiment of the invention provides
The method of a kind of code conversion and rate adapted comprises:
Reception is set up the user data connection requests or is discharged the user data connection requests;
If detect base station controller (BSC) embedded code conversion and rate adaptation function (TRAU), then:
For the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies.
The device of a kind of code conversion and rate adapted also is provided, has comprised:
Receiving element is used for: receive and set up the user data connection requests or discharge the user data connection requests;
Resource allocation unit is used for: if detect base station controller (BSC) embedded code conversion and rate adaptation function (TRAU), then:
For the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies.
The system of a kind of code conversion and rate adapted also is provided, has comprised: base station transceiver, base station controller and mobile switching centre, or mobile media gateway, said base station controller is each described device among each embodiment of device of the present invention.
Compare with background technology, the embodiment of the invention has the following advantages:
At first; The embodiment of the invention is set up the user data connection requests or is discharged the user data connection requests through reception; If detect embedded code conversion and rate adaptation function; Then be said user data connection requests assigned code conversion and rate adapted resource, or discharge code conversion and rate adapted resource that said user data connection takies.Realized having reduced the separate space that original functional entity takies, practiced thrift space resources carrying out integrated processing after the functional entity embedding that originally independently carry out code conversion and rate adapted.The area occupied of existing equipment or to take volume be half the in the background technology one even still less.
Secondly; Function through with code conversion and rate adapted embeds; Realized will be original being connected and converted the internal bus connection into the transmission network of the functional entity of code conversion and rate adapted; Greatly reduced the quantity of interface unit, data processing unit, make that the cost of whole system is low, low in energy consumption, safeguard easier.
Once more, after the function of embedded code conversion and rate adapted, the handling process of user data directly realizes in a physical entity, has realized the organic integration of TRAU and BSC, thereby makes TRAU and two network entities of BSC become a kind of network entity.Reduce the number of times of user data processing, switching, promoted quality of services for users.
At last, the embodiment of the invention need not increase new control and signaling interface through the function of embedded code conversion and rate adapted, and scheme is easy, is easy to realize.
Description of drawings
Shown in Figure 1, be the GSM network architecture and the BSS position view in GSM;
Shown in Figure 2, be the sketch map that is connected through transmission network between TRAU and the MSC in the background technology one;
Shown in Figure 3, be the sketch map that user data transmits in BSC and TRAU in the background technology one;
Shown in Figure 4, be the structural representation of BSC, TRAU and MSC in the background technology two;
Shown in Figure 5, be the sketch map that user data transmits in BSC and TRAU in the background technology two;
Shown in Figure 6, be the flow chart of the embodiment one of method of the present invention;
Shown in Fig. 6 A, be the sketch map of user data delivery of the embodiment one of method of the present invention;
Shown in Figure 7, be the flow chart of the embodiment two of method of the present invention;
Shown in Figure 8, be the flow chart of the embodiment three of method of the present invention;
Shown in Figure 9, be the block diagram of the embodiment one of device of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is done further elaboration in detail.
With reference to shown in Figure 6, be the embodiment one of the method for code conversion of the present invention and rate adapted, shown in Fig. 6 A, be the sketch map of user data delivery of the embodiment one of method of the present invention; Embodiment one comprises step:
Step 601, receive and set up the user data connection requests or discharge the user data connection requests;
Whether step 602, detection embedded code conversion and rate adaptation function, if embed, then gets into step 603, otherwise, get into step 604;
Step 603, for the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Connection requests, or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies;
Step 604, then with said user data connection requests or discharge said user data connection requests and be forwarded to the TRAU functional entity, carry out code conversion and rate adapted by the TRAU functional entity by background technology.
In the processing procedure in the present embodiment because after being embedded into code conversion and rate adaptation function, the flow direction of user data, can be with reference to shown in the figure 6A:
Can find out that from Fig. 6 A user data is via the A interface board, be assigned to code conversion and the rate adaptation function module is handled by switching system, the user data after the processing directly sends to the Abis interface plate by switching system.
The embodiment of the invention is set up the user data connection requests or is discharged the user data connection requests through reception; If detect embedded code conversion and rate adaptation function; Then be said user data connection requests assigned code conversion and rate adapted resource, or discharge code conversion and rate adapted resource that said user data connection takies.Realized having reduced the separate space that original functional entity takies, practiced thrift space resources carrying out integrated processing after the functional entity embedding that originally independently carry out code conversion and rate adapted.The area occupied of existing equipment or to take volume be half the in the background technology one even still less.
Secondly; The embodiment of the invention embeds through the function with code conversion and rate adapted; Realized will be original being connected and converted the internal bus connection into the transmission network of the functional entity of code conversion and rate adapted; Greatly reduced the quantity of interface unit, data processing unit, make that the cost of whole system is low, low in energy consumption, safeguard easier.
Once more; The embodiment of the invention is after the function of embedded code conversion and rate adapted; The handling process of user data directly realizes in a physical entity, has realized the organic integration of TRAU and BSC, thereby makes TRAU and two network entities of BSC become a kind of network entity.Reduce the number of times of user data processing, switching, promoted quality of services for users.
At last, the embodiment of the invention need not increase new control and signaling interface through the function of embedded code conversion and rate adapted, and scheme is easy, is easy to realize.
Wherein, in the above-described embodiments, said be said user data connection requests assigned code conversion and rate adapted resource step after, can also comprise step:
Said code conversion is connected with the A interface with Abis interface respectively with the rate adapted resource; Or
Wherein, in the above-described embodiments, be connected code conversion and the rate adapted resource step while that takies, also comprise step with the said user data of said release:
Discharge being connected of said code conversion and rate adapted resource and Abis interface and A interface respectively.
Wherein, in the above-described embodiments, the said user data connection requests connection requests of setting up is specially:
Mobile station side or mobile switching centre's side or base station sub-system are initiated sets up user data connection requests connection requests;
Wherein, in the above-described embodiments, said release user data connection requests connection requests is specially:
The release user data connection requests connection requests that mobile station side or mobile switching centre's side or base station sub-system are initiated.
Wherein, in the above-described embodiments, said embedded code conversion and rate adaptation function are specially:
For the veneer that possesses code conversion and rate adaptation function, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated on the Abis interface plate, through switching system and A interface board exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated on the A interface board, through switching system and Abis interface plate exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated in the base station controller on any veneer except that Abis interface plate and A interface board, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function, said software module is embedded in the software kit of Abis interface plate, through switching system, with A interface board exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function, said software module is embedded in the software kit of A interface board, through switching system, with Abis interface plate exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function; Said software module is embedded in the software kit of any veneer except that Abis interface plate and A interface board in the base station controller; Through switching system, with Abis interface plate, A interface board exchanging user data.
Wherein, in the above-described embodiments, can also comprise:
Do not have embedded code conversion and rate adaptation function if detect said BSC, then with said set up user data connection requests connection requests or discharge user data connection requests connection requests be forwarded to independently TRAU functional entity.
With reference to shown in Figure 7; Be the embodiment two of method of the present invention; Compare with embodiment one, embodiment two provides a kind of and in more detail TRAU has been embedded into the inner processing method of BSC, and embodiment two (can exist with forms such as veneer or chips through the hardware module that will carry the TRAU function; Like DSP (DigitalSignal Processor; Digital signal processor) or FPGA (Field Programmable Gate Array, field programmable gate array) etc. be embedded in the BSC system, accomplishing user data by BSC carries out code conversion and rate adaptation function;
After completion is embedded into the TRAU hardware module in the BSC system; System bus through BSC is realized being connected between BSC interface unit and the TRAU; Said system bus can be but be not limited to: early stage PC bus and isa bus; Or the PCI/AGP bus, or the PCI Express of PCI-X bus and present main flow, Hyper Transport high-speed serial bus etc., perhaps pass through Ethernet.
On the basis of above-mentioned annexation, embodiment two comprises step:
The request of user data establishment of connection is initiatively initiated in step 701, MS side or MSC side or BSS inside;
Step 702, BSC receive said set up the user data connection requests after, BSC detects whether to have embedded TRAU (code conversion and rate adapted) function; Through detection, if BSC has embedded the TRAU function, then get into step 703, otherwise, get into step 705;
Step 703, BSC are said user data connection requests assigned code conversion and rate adapted resource, carry out code conversion and rate adapted so that said user data is connected;
After step 704, process code conversion and the rate adapted, directly user data is exchanged to A interface or Abis interface plate;
Step 705, BSC are forwarded to independently TRAU functional entity with said user data connection requests, to carry out code conversion and rate adapted by said TRAU functional entity by background technology.
With reference to shown in Figure 8, be the flow chart of the embodiment three of method of the present invention, present embodiment adapts with the foregoing description two, and the detailed process that discharges the user data connection requests wherein is provided.
The inner release request of initiatively initiating the user data connection of step 801, MS side or MSC side or BSS;
After step 802, BSC received said release user data connection requests, BSC detected whether embedded TRAU (code conversion and rate adapted) function; Through detection, if BSC has embedded the TRAU function, then get into step 803, otherwise, get into step 804;
Step 803, BSC directly discharge the code conversion and the rate adapted resource of internal system, simultaneously, discharge Abis interface connection, the connection of A interface and corresponding switching network resource;
Step 804, BSC will discharge the user data connection requests and be forwarded to independently TRAU functional entity, to carry out the release task that background technology is carried out code conversion and rate adapted resource by said TRAU functional entity.
Different with aforesaid embodiment two, three; In practice; The present invention also can be through will carrying the TRAU function software module (as comprise the software kit of various rate algorithms; Corresponding software module is deployed in the inner interface board of BSC, protocol processes veneer, perhaps controls on the veneer) be embedded in the BSC system, accomplish user data and carry out code conversion and rate adaptation function; Correspondingly; In business processing flow; System bus that can be through BSC (like early stage PC bus and isa bus or PCI/AGP bus or PCI-X bus and PCI Express or the Hyper Transport high-speed serial bus etc. of main flow at present); Perhaps,, be switched directly to the processor that comprises the TRAU software module with the user data on the interface unit through Ethernet; After accomplishing code conversion and rate adapted, user data is exchanged to corresponding interface unit (like A interface board or Abis interface plate) again; Also with the foregoing description two, three in technique effect the same, can reach and embed the TRAU function, and accomplish the technique effect of handled.
With reference to shown in Figure 9, be the block diagram of embodiment one of the device of code conversion of the present invention and rate adapted, comprising:
Receiving element 901 is used for: receive and set up the user data connection requests or discharge the user data connection requests;
For the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies.
The embodiment of the invention is set up the user data connection requests or is discharged the user data connection requests through reception; If detect embedded code conversion and rate adaptation function; Then be said user data connection requests assigned code conversion and rate adapted resource, or discharge code conversion and rate adapted resource that said user data connection takies.Realized having reduced the separate space that original functional entity takies, practiced thrift space resources carrying out integrated processing after the functional entity embedding that originally independently carry out code conversion and rate adapted.The area occupied of existing equipment or to take volume be half the in the background technology one even still less.
Secondly; The embodiment of the invention embeds through the function with code conversion and rate adapted; Realized will be original being connected and converted the internal bus connection into the transmission network of the functional entity of code conversion and rate adapted; Greatly reduced the quantity of interface unit, data processing unit, make that the cost of whole system is low, low in energy consumption, safeguard easier.
Once more; The embodiment of the invention is after the function of embedded code conversion and rate adapted; The handling process of user data directly realizes in a physical entity, has realized the organic integration of TRAU and BSC, thereby makes TRAU and two network entities of BSC become a kind of network entity.Reduce the number of times of user data processing, switching, promoted quality of services for users.
At last, the embodiment of the invention need not increase new control and signaling interface through the function of embedded code conversion and rate adapted, and scheme is easy, is easy to realize.
Wherein, in the above-described embodiments, can also comprise:
The first interface processing unit is used for: after conversion of said connection requests assigned code and rate adapted resource step, said code conversion is connected with the A interface with Abis interface respectively with the rate adapted resource.
Wherein, in the above-described embodiments, can also comprise:
The second interface processing unit is used for: be connected the code conversion that takies and rate adapted resource step with the said user data of said release simultaneously, discharge being connected between said code conversion and rate adapted resource and Abis interface and the A interface respectively.
Wherein, in the above-described embodiments, the said user data connection requests of setting up is specially:
Mobile station side or mobile switching centre's side or base station sub-system are initiated sets up the user data connection requests.
Wherein, in the above-described embodiments, said release user data connection requests is specially:
The release user data connection requests that mobile station side or mobile switching centre's side or base station sub-system are initiated.
Wherein, in the above-described embodiments, said embedded code conversion and rate adaptation function are specially:
The veneer that will possess code conversion and rate adaptation function is embedded in the said device, and said veneer is through switching system and Abis interface plate and A interface board exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on the Abis interface plate in the said device, through switching system and A interface board exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on the A interface board in the said device, through switching system and Abis interface plate exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on any veneer except that Abis interface plate and A interface board in the said device, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of the Abis interface plate in the said device, through switching system, with A interface board exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of the A interface board in the said device, through switching system, with Abis interface plate exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of any veneer except that Abis interface plate and A interface board in the said device, through switching system, with Abis interface plate, A interface board exchanging user data.
Wherein, in the above-described embodiments, can also comprise:
Retransmission unit is used for: do not have embedded code conversion and rate adaptation function if detect said BSC, then with said set up the user data connection requests or discharge the user data connection requests be forwarded to independently TRAU functional entity.
Wherein, in the above-described embodiments, said device can be base station controller.
The present invention also provides the system of code conversion and rate adapted, comprising: base station transceiver, base station controller and mobile switching centre, or mobile media gateway, the device that said base station controller is provided for each embodiment of the present invention.
The embodiment of the invention is set up the user data connection requests or is discharged the user data connection requests through reception; If detect embedded code conversion and rate adaptation function; Then be said user data connection requests assigned code conversion and rate adapted resource, or discharge code conversion and rate adapted resource that said user data connection takies.Realized having reduced the separate space that original functional entity takies, practiced thrift space resources carrying out integrated processing after the functional entity embedding that originally independently carry out code conversion and rate adapted.The area occupied of existing equipment or to take volume be half the in the background technology one even still less.
Secondly; The embodiment of the invention embeds through the function with code conversion and rate adapted; Realized will be original being connected and converted the internal bus connection into the transmission network of the functional entity of code conversion and rate adapted; Greatly reduced the quantity of interface unit, data processing unit, make that the cost of whole system is low, low in energy consumption, safeguard easier.
Once more; The embodiment of the invention is after the function of embedded code conversion and rate adapted; The handling process of user data directly realizes in a physical entity, has realized the organic integration of TRAU and BSC, thereby makes TRAU and two network entities of BSC become a kind of network entity.Reduce the number of times of user data processing, switching, promoted quality of services for users.
At last, the embodiment of the invention need not increase new control and signaling interface through the function of embedded code conversion and rate adapted, and scheme is easy, is easy to realize.
In above-mentioned each embodiment; Through TRAU is embedded in the relevant device; Like BSC, TRAU and two kinds of network elements of BSC are merged into a network element, perhaps with TRAU as BSC in house software module or as the mode of BSC internal hardware module; From correspondingly the BSC that embeds the TRAU function being managed and safeguarding, make the two all become a physical entity physically or in logic.
Each embodiment of the invention described above is not only applicable to the GSM network, in other network (like CDMA) network, can carry out same transformation yet, thus each scheme that can adopt the embodiment of the invention to provide.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the method for code conversion and rate adapted is characterized in that, comprising:
Reception is set up the user data connection requests or is discharged the user data connection requests;
If detect base station controller (BSC) embedded code conversion and rate adaptation function (TRAU), then:
For the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies.
2. the method for claim 1 is characterized in that, after conversion of said connection requests assigned code and rate adapted resource step, also comprises step:
Said code conversion is connected with the A interface with Abis interface respectively with the rate adapted resource.
3. the method for claim 1 is characterized in that, is connected the code conversion and the rate adapted resource step while that take with the said user data of said release, also comprises step:
Discharge being connected of said code conversion and rate adapted resource and Abis interface and A interface respectively.
4. the method for claim 1 is characterized in that, the said user data connection requests of setting up is specially:
Mobile station side or mobile switching centre's side or base station sub-system are initiated sets up the user data connection requests.
5. the method for claim 1 is characterized in that, said release user data connection requests is specially:
The release user data connection requests that mobile station side or mobile switching centre's side or base station sub-system are initiated.
6. the method for claim 1 is characterized in that, said embedded code conversion and rate adaptation function are specially:
For the veneer that possesses code conversion and rate adaptation function, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated on the Abis interface plate, through switching system and A interface board exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated on the A interface board, through switching system and Abis interface plate exchanging user data; Or,
For the chip that possesses code conversion and rate adaptation function, said chip is integrated in the base station controller on any veneer except that Abis interface plate and A interface board, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function, said software module is embedded in the software kit of Abis interface plate, through switching system, with A interface board exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function, said software module is embedded in the software kit of A interface board, through switching system, with Abis interface plate exchanging user data; Or,
For the software module that possesses code conversion and rate adaptation function; Said software module is embedded in the software kit of any veneer except that Abis interface plate and A interface board in the base station controller; Through switching system, with Abis interface plate, A interface board exchanging user data.
7. the method for claim 1 is characterized in that, also comprises:
Do not have embedded code conversion and rate adaptation function if detect said BSC, then with said set up the user data connection requests or discharge the user data connection requests be forwarded to independently TRAU functional entity.
8. the device of code conversion and rate adapted is characterized in that, comprising:
Receiving element is used for: receive and set up the user data connection requests or discharge the user data connection requests;
Resource allocation unit is used for: if detect base station controller (BSC) embedded code conversion and rate adaptation function (TRAU), then:
For the said user data connection requests of setting up, assigned code conversion and rate adapted resource; Or,
For said release user data connection requests, discharge said user data and connect code conversion and the rate adapted resource that takies.
9. device as claimed in claim 8 is characterized in that, also comprises:
The first interface processing unit is used for: after conversion of said connection requests assigned code and rate adapted resource, said code conversion is connected with the A interface with Abis interface respectively with the rate adapted resource.
10. device as claimed in claim 8 is characterized in that, also comprises:
The second interface processing unit is used for: be connected the code conversion that takies and rate adapted resource with the said user data of said release simultaneously, discharge being connected between said code conversion and rate adapted resource and Abis interface and the A interface respectively.
11. device as claimed in claim 8 is characterized in that, the said user data connection requests of setting up is specially:
Mobile station side or mobile switching centre's side or base station sub-system are initiated sets up the user data connection requests.
12. device as claimed in claim 8 is characterized in that, said release user data connection requests is specially:
The release user data connection requests that mobile station side or mobile switching centre's side or base station sub-system are initiated.
13. device as claimed in claim 8 is characterized in that, said embedded code conversion and rate adaptation function are specially:
The veneer that will possess code conversion and rate adaptation function is embedded in the said device, and said veneer is through switching system and Abis interface plate and A interface board exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on the Abis interface plate in the said device, through switching system and A interface board exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on the A interface board in the said device, through switching system and Abis interface plate exchanging user data; Or,
The chip that will possess code conversion and rate adaptation function is integrated on any veneer except that Abis interface plate and A interface board in the said device, through switching system, with Abis interface plate and A interface board exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of the Abis interface plate in the said device, through switching system, with A interface board exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of the A interface board in the said device, through switching system, with Abis interface plate exchanging user data; Or,
The software module that will possess code conversion and rate adaptation function is embedded in the software kit of any veneer except that Abis interface plate and A interface board in the said device, through switching system, with Abis interface plate, A interface board exchanging user data.
14. device as claimed in claim 8 is characterized in that, also comprises:
Retransmission unit is used for: do not have embedded code conversion and rate adaptation function if detect said BSC, then with said set up the user data connection requests or discharge the user data connection requests be forwarded to independently TRAU functional entity.
15., it is characterized in that said device is a base station controller like each described device of claim 8-14.
16. the system of code conversion and rate adapted comprises: base station transceiver, base station controller and mobile switching centre, or mobile media gateway is characterized in that, said base station controller is each described device of claim 8-14.
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| CN2008100346907A CN101257657B (en) | 2008-03-14 | 2008-03-14 | Method, apparatus and system for code conversion and velocity adaptation |
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| CN2008100346907A CN101257657B (en) | 2008-03-14 | 2008-03-14 | Method, apparatus and system for code conversion and velocity adaptation |
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| CN101257657A CN101257657A (en) | 2008-09-03 |
| CN101257657B true CN101257657B (en) | 2012-02-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001052432A1 (en) * | 2000-01-13 | 2001-07-19 | Xircom, Inc. | Wireless local loop with intelligent base station |
| CN1337131A (en) * | 1999-01-12 | 2002-02-20 | 西门子公司 | Higher rate data transmission in mobile radio telephone systems |
| CN1929634A (en) * | 2006-08-14 | 2007-03-14 | 华为技术有限公司 | Method and system for sectionalized wireless data-transmission between base station and base station controllers |
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2008
- 2008-03-14 CN CN2008100346907A patent/CN101257657B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337131A (en) * | 1999-01-12 | 2002-02-20 | 西门子公司 | Higher rate data transmission in mobile radio telephone systems |
| WO2001052432A1 (en) * | 2000-01-13 | 2001-07-19 | Xircom, Inc. | Wireless local loop with intelligent base station |
| CN1929634A (en) * | 2006-08-14 | 2007-03-14 | 华为技术有限公司 | Method and system for sectionalized wireless data-transmission between base station and base station controllers |
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| CN101257657A (en) | 2008-09-03 |
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