CN1332582A - Apparatus and method for processing group data in mobile communication system - Google Patents
Apparatus and method for processing group data in mobile communication system Download PDFInfo
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- CN1332582A CN1332582A CN01120033A CN01120033A CN1332582A CN 1332582 A CN1332582 A CN 1332582A CN 01120033 A CN01120033 A CN 01120033A CN 01120033 A CN01120033 A CN 01120033A CN 1332582 A CN1332582 A CN 1332582A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Human Computer Interaction (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
Apparatus for processing group data in mobile communication system, comprising: a mobile station, a base station linked with mobile station, a base station controller linked with base station, a vocoder to control paths of input signal and access a group, a mobile exchange centre linked to base station controller, a communicating function linked to mobile exchange centre, which has a function of supporting the IP address aligning origin from calls transmitted by mobile station as well as exterior agent function, and then links the exchange centre with another network, a data core network linked to communicating function for use of access exterior network to process packet service. Furthermore, a packet data processing method is also described, comprising the steps of: determining whether an input signal is a voice call or a packet calling data to choose a signal process path, time division multiplexing the determined calls via corresponding controll unit, exchanging the time division multiplexed data process signal based on corresponding calls.
Description
Invention field
The present invention relates to a kind of mobile communication system that is used to provide the Packet Service between the portable terminal.The present invention is specifically related to a kind of equipment of handling grouped data in mobile communication system, and a kind of vocoder that the base station controller of the Packet Service between Speech Communication/Image Communication portable terminal is provided, be used for supporting communication between the portable terminal also to relate to its method by the structure of improving the IS-95A/B system.
Background technology
Fig. 1 is the block diagram of the general IS-95A/B of expression system.Referring to Fig. 1, from communication terminal 10,20 grouped data sends calls out (transmission calls) by base station 31,32 and base station controller 33 be sent to mobile switching centre (MSC) 40, between MSC40 and IWF (IWF) (inter-working function) 50, provide internet interface function (hardware and agreement), make that the user can access the Internet 70.
, be used for the network component units of above-mentioned access services herein, for example the voice mail server 42, and home location register and authentication center 41 are connected to MSC40.
MSC40 comprises visitor location register (VLR).
On the other hand, for to provide data service than the higher speed of general IS-95A/B business, the IS-95C system shown in Fig. 2 is by standardization (3GPP2).As shown in Figure 2, can set up one by base station (BTS) 21-24, the new system that base station controller (BSC) 26,27 and MSC40 constitute perhaps can as original uses the component units of the IS-95A/B system of the Fig. 1 except the base station modem block of channels.
Newly added a packet data serving node (PDSN) 30, feasible BTS21-24 and the BSC26 that receives 3G modulator-demodulator channel, 27 can be directly connected to packet data serving node 30.Referring to Fig. 2, with identical in the general IS-95A/B system (except checking and other business), the Packet Service that is used for access the Internet 70 sends to call out and carries out signaling process at MSC40.Then, the actual packet business is by from BSC26, and 27 are connected to PDSN30, rather than by MSC40 and IWF50.
The IS-95A/B system of Fig. 1 comprises the IWF50 that has with the PDSN30 identical function of Fig. 2.But it is because MSC40 can't be with the high speed processing grouped data in the environment of the IS-95A/B of Fig. 1 system that the IS-95C system of Fig. 2 adopts PDSN30.
But, although BSC26,27 directly send to PDSN30 by the PDSN30 that sets up among Fig. 2 with Packet Service, because to the backwards compatibility of IS-95A/B business (if mobile terminal accessing IS-95C system that is used for general IS-95A/B system, should provide corresponding service with the condition identical) with visit IS-95A/B network, be difficult to get rid of general MSC40, IWF method of attachment and IWF system.
Support under the situation of the graphic service in the group mode as in the support terminal 14 H.323 in the communication system shown in Fig. 1 and 2, comprise that the multi-medium data of image is connected to the H.323 support image device 71 (notebook among Fig. 2) of internet 70 by the PDSN30 visit in group mode, make that H.323 support terminal 14 receives corresponding service.
More than explained mobile radio station (mobile to land) calling of group mode to land.To send calling from portable terminal 14 and send to a user who is connected with internet 70.
Under the situation of mobile-to-mobile (mobile to mobile) packet call, i.e. the H.323 calling of support terminal 14, business provides with access method does not also have standardization.
Summary of the invention
Therefore, the objective of the invention is to operate the Packet Service that provides between the portable terminal, and need not to use special packet data serving node by the enforcement group mode.
In order to realize above-mentioned purpose of the present invention, a kind of equipment of handling grouped data is provided, comprising: mobile radio station; Be connected to the base station of mobile radio station; Be connected to the base station controller of base station, have path that is used for control input signals and the vocoder of visiting a grouping; Be connected to the mobile switching centre of base station controller; Be connected to the IWF of mobile switching centre, have and be used to support the ancestral home and the foreign agent functionality (homeand foreign agent function) of aiming at, and switching center is linked to another network from the IP address that the transmission of mobile radio station is called out; With the data core network that is connected to IWF, be used to visit external network to handle Packet data service.
In addition, provide a kind of method of handling grouped data, may further comprise the steps:, distinguish that a calling is to select signal processing path by judging that in base station controller an input signal is voice call or packet call data; The calling of being distinguished by control corresponding unit time division multiplexing; According to corresponding call, the data processing signal of switching time division multiplex.
As a result, handle the foundation structure of the Apparatus for () and method therefor of grouped data, the voice and packet data concurrent service and the mobile-to-mobile packet call service of speech and grouped data can be provided by general base station controller of slight improvement and mobile switching centre.
Description of drawings
By the present invention may be better understood below in conjunction with the accompanying drawing detailed description of the invention and a lot of attendant advantages, same numeral is represented same or similar unit in the accompanying drawings, wherein:
Fig. 1 is the block diagram of the general IS-95A/B of expression system;
Fig. 2 is the block diagram of the conventional IS-95C of expression system;
Fig. 3 is the block diagram of expression according to IS-95C of the present invention system;
Fig. 4 is the block diagram of the vocoder of base station controller in the presentation graphs 3;
Fig. 5 is the flow chart that shows according to packet data processes process of the present invention.
The specific embodiment
Below with reference to accompanying drawing the equipment of processing according to the preferred embodiment of the invention grouped data is reached Its method is elaborated.
Fig. 3 is that expression is according to the block diagram of IS-95C of the present invention system. Referring to Fig. 3, IS-95C System comprises: a plurality of base stations (BTS) 210-240; Base station controller (BSC) 300a, 300b, Be used for the operation of control BTS210-240, when input signal is grouped data, support grouping Data service is carried out as the interface protocol between BSC and the mobile switching centre (MSC) System between link layer protocol (ISLP), time-division multiplex packet data is to press at input signal During the contracting voice data input signal is decoded as pulse code modulated (PCM) data, and coding institute The PCM data of input; Mobile switching centre (MSC) 400 is used for exchange from BSC300a, The voice call of 300b or the path of grouped data, or exchange is take its regional BTS as purpose The voice call on ground or the path of grouped data; Voice mail server 410 and home location are posted Storage and authentication center 420 all are connected to MSC400; Be connected to the charging system of MSC400 System 510 is used for collecting each user's expense; IWF (IWF) 520, have for Ancestral home and foreign agent functionality that the IP address that the transmission of support terminal is called out is aimed at, being used for will MSC400 is linked to another network; With the data core network that is connected to IWF520 (DCN) 530, for the treatment of Packet data service and access external network.
Herein, BSC300a, 300b comprise at least one vocoder 310. As shown in Figure 4, Each vocoder 310 comprises: CPU (CPU) 311 has for passing through and judges Input signal is that voice call or grouped data come control signal to process the core 311a in path, With the HDLC control that is used for ISLP and processes the grouped data of importing and carry out HDLC control Device 311b, 311b is equipped with ISLP at hdlc controller; At least one data signal place Reason device (DSP) 312a, 312n is used for the compressed speech data of input is decoded as the PCM number According to and the data obtained sent to MSC400, perhaps with the PCM data encoding of input and will The data obtained sends to BTS210; Time division switch 313 is used for receiving from DSP312a, The time division multiplex voice signal of 312n and from the hdlc controller 311b of CPU311 the time Divide multiplexing packet data signals, and signal is outputed to MSC400.
According to a preferred embodiment of the invention, in a CPU311, realize following functions section Part: be used for by judging that input signal is that voice call or grouped data come control signal to process The core 311a in path and have as BSC and MSC interface protocol (fixed in IS-728 Justice) ISLP, to carry out ISLP between BSC and the MSC, be used at input signal be branch Group is supported grouped data that Packet data service and time division multiplex are processed through ISLP during data Hdlc controller 311b.
But also possible operation CPU311 is as core 311a, and implements separately HDLC Controller 311b.
In addition, IWF520 is converted to grouping with from the IS-95A/B mobile radio communication with circuit data The network access the Internet, DCN530 is as the gateway of internet.
Compare with the conventional IS-95C system of Fig. 2, the IS-95C system of Fig. 3 does not adopt connection To BSC300a, the particular packet data serving node (PDSN) of 300b, but to IWF520 Provide ancestral home and foreign agent functionality to support sending the eventually mobile of calling to land about movement station End IP aims at (simple IP or movement station IP) in the address, and this has reduced the system made expense and has changed Be apt to application.
In addition, BSC has vocoder functions.
Herein, simple IP means the general ip function, and movement station IP means movement station IP function.
In order to support movement station IP function, the ancestral home agent functionality is used as the ancestral home network, outside generation The reason function must be carried out the checking merit that is used for safety at portable terminal as visitor network Energy.
In the situation of system shown in Figure 2, can be only by be used for sending speech information the time Divide multiplexing function at BSC300a, send data between 300b and the MSC400. But, root According to the present invention, improved BSC300a, the vocoder 310 of 300b is to pass through the time division multiplex path Send grouped data.
Therefore, the vocoder of the communication system of Fig. 3 and Fig. 4 can send by MSC400 Movement station is to land or mobile-to-mobile grouped data. When the user accesses IP network, from BSC300a, 300b sends to PDSN with the group mode data, then by a MSC And between other MSC or the path between this MSC and the PDSN directly sends to counterpart terminal The MSC that has part, rather than the route by the internet sends to one and is used for wired grouping The terminal of data, services, (reception is exhaled therefore easily to support the mobile-to-mobile grouped data Cry) business. That is, can be by the function of exchange support call exchange of MSC.
On the other hand, can not pass through PDSN (referring to Fig. 2) and send mobile-to-mobile Grouped data. Can adopt vocoder 310 and MSC400 for voice call to use herein, In packet data call, thereby reduce for the capacity of the network equipment of Internet connection and must Want. As a result, can significantly reduce initial cost.
Except the standardization of system, by improving general communication system, arrive at movement station H.323, movement station provides the sending/receiving call business professional to satisfy fully between the image terminal Quality, for example the reducing of data transfer delay (echo reduces, exchange network of stabilisation etc.).
On the other hand, sending a transmission of data with the speed that is suitable for IS-95C (is used for propping up Hold the HW (hdlc controller 311b) of 384Kbps). Processor core as CPU Sheet is realized in a chip recently. Therefore, be easy to support H/W and need not to increase specially With external device (ED) or glue logic.
As shown in Figure 4, when sending voice call by vocoder, CPU311 is by exchange Machine 313 sends to MSC 400 with the PCM data that produce among the DSP312a-312n, perhaps Carry out rightabout operation. When sending the group mode business datum by vocoder, CPU 311ISLP processes this data, by these data of hdlc controller 311b time division multiplex, and Data are sent to switch 313, rather than data are sent to DSP312a-312n.
At this moment, CPU311 is according to judging that from the information of BTS210 input input signal is speech Signal or grouped data. Distinguish voice signal and packet count by the particular key of a user terminal According to. Be input to for information about the CPU of BSC from terminal by BTS.
For example, when pressing telephone number and assignment key, input signal is identified as Speech Communication. Therefore, will comprise that with analog type voice signal for information about sends to BTS by RF, Decoding also is input to the CPU of BSC. In input telephone number, the feelings of assignment key and particular key Under the condition, input signal is identified as grouped data. Then, will send out for information about in the same manner Deliver to BTS and BSC.
Also can otherwise distinguish speech and data.
When voice call is opposite with packet data call (, when input signal is voice call, Do not send packet call, or vice versa), perhaps work as a terminal and connect simultaneously voice call During with packet data call, CPU311 provides the voice and packet data concurrent service of one of business option of IS-95C.
According to the present invention, below with reference to Fig. 5 in the vocoder of BSC and related system, locating The method of reason grouped data describes.
At first, the core 311a of CPU311 by judge input signal be voice call or Packet data call is carried out the calling that is used for selective call processing path and is distinguished process (S1).
When input signal is voice signal, carry out the voice signal processing procedure, so that DSP312a, 312n is decoded as the PCM data with compressed speech data, and the PCM data are sent to MSC, The perhaps PCM data imported of coding, and coded data sent to BTS (S2).
On the other hand, when input signal is grouped data, carry out the packet data processes process, So that hdlc controller 311b ISLP processes this grouped data, time division multiplex is resultant then Data (S3).
313 pairs of switches from the time division multiplex speech processing signals of voice signal processing procedure and Carry out exchange behaviour from the time division multiplex grouping busihess data processing signals of packet data processes process Do, and the gained signal is outputed to MSC (S4).
The label 314,315 of Fig. 4 represents respectively voice signal processing procedure and grouped data place The reason process.
Be imported into MSC from the signal of S4 output. The MSC exchange is exhaled from the speech of BSC Cry or the path of grouped data, perhaps exchange with its regional BTS and exhale as the speech of destination Cry or the path of grouped data, and carry out the signaling that is used for system verification and Service control thereon Process (S5).
IWF has ancestral home and the outside of the IP address aligning of calling out for the transmission of support terminal Agent functionality is used for MSC is linked to another network (S6).
DCN is connected to IWF, is used for by the access to the Internet external network to process packet count According to professional (S7).
As mentioned above, according to the present invention, be used at processing packet data in mobile communication system Equipment employing vocoder changes the processing path of voice call and grouped data in BSC, so that In the IS-95C environment, operate by use IS-95A/B System Implementation group mode, and to IWF Ancestral home and foreign agent functionality have been added with the IP address supporting to call out from the transmission of movement station pair Standard, thus realized back compatible.
Although described the preferred embodiments of the present invention, should be appreciated that the present invention does not limit In these preferred embodiments, those skilled in the art are in the spirit and scope of claim of the present invention In can carry out various modifications and improvement.
Claims (12)
1. mobile communication system comprises:
Mobile radio station;
Be connected to the base station of mobile radio station;
Be connected to the base station controller of base station, have path that is used for control input signals and the vocoder of visiting grouping;
Be connected to the mobile switching centre of base station controller;
IWF is used for mobile switching centre is linked to another network;
Be connected to the data core network of IWF, be used to handle Packet data service and visit external network.
2. according to the system of claim 1, wherein IWF is connected to mobile switching centre, has to be used to support the ancestral home and/or the foreign agent functionality of aiming at from the IP address that the transmission of mobile radio station is called out, and mobile switching centre is linked to another network.
3. according to the system of claim 1, wherein vocoder comprises:
CPU is used for by judging that input signal is that voice call or grouped data come control signal to handle the path;
At least one digital signal processor is used to handle the voice signal from CPU;
Hdlc controller is used for the grouped data that time division multiplexing is distinguished in CPU;
Switch is used to exchange time-multiplexed speech processing signals and/or packet data processes signal from digital signal processor and hdlc controller.
4. mobile communication system with vocoder, wherein vocoder comprises:
CPU is used for by judging that input signal is that voice call or grouped data come control signal to handle the path;
At least one digital signal processor is used to handle the voice signal from CPU;
Switch is used to exchange time-multiplexed speech processing signals and/or packet data processes signal from digital signal processor and CPU.
5. according to the system of claim 4, wherein CPU comprises:
Core is used for by judging that input signal is that voice call or grouped data come control signal to handle the path;
Hdlc controller is used for the grouped data that time division multiplexing is distinguished in core.
6. according to the system of claim 4, wherein digital signal processor is decoded as the PCM data with the voice data of input, and the gained data are sent to mobile switching centre, perhaps sends to the base station with the PCM digital coding of input and with the gained data.
7. the method for a deal with data in mobile communication system may further comprise the steps:
By judging that in base station controller input signal is that voice call or packet call data distinguish that a calling is to select signal processing path;
The calling of being distinguished by corresponding control unit time division multiplexing;
Data processing signal according to the respective call switching time division multiplex.
8. according to the method for claim 7, further comprise step: in mobile switching centre, exchange is from the voice call of base station controller or the path of grouped data, also exchanging with its regional base station is the voice call of destination or the path of grouped data, and carries out the signaling process that is used for system verification and professional control.
9. according to the method for claim 7, further comprise step: support the ancestral home and/or the foreign agent functionality of aiming at mobile switching centre to be linked to another network at an IWF place from the IP address that the transmission of mobile radio station is called out by use being used to of increasing newly.
10. according to the method for claim 7, further comprise step: be connected to the data core network of IWF, by access to the Internet one external network to handle Packet data service.
11., wherein when input packet call data,, send it to the TDM switch then by these packet call data of hdlc controller time division multiplexing according to the method for claim 7.
12. according to the method for claim 7, wherein when input packet call data, these packet call data of hdlc controller time division multiplexing by having the interface protocol between base station controller and the mobile switching centre send it to the TDM switch then.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR38773/2000 | 2000-07-07 | ||
| KR1020000038773A KR100624195B1 (en) | 2000-07-07 | 2000-07-07 | Mobile Communication System and data processing method in the vocoder of BSC for serving Packet Data Transmission mobile to mobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1332582A true CN1332582A (en) | 2002-01-23 |
| CN1269367C CN1269367C (en) | 2006-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011200332A Expired - Fee Related CN1269367C (en) | 2000-07-07 | 2001-07-06 | Apparatus and method for processing group data in mobile communication system |
Country Status (2)
| Country | Link |
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| KR (1) | KR100624195B1 (en) |
| CN (1) | CN1269367C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006081772A1 (en) * | 2005-02-05 | 2006-08-10 | Huawei Technologies Co., Ltd. | A method for realizing two-way operation between circuit domain and group domain |
| CN100401794C (en) * | 2003-04-25 | 2008-07-09 | 中兴通讯股份有限公司 | Method for implementing quasi concurrent transaction in communication system |
| CN102379138A (en) * | 2011-09-14 | 2012-03-14 | 华为技术有限公司 | Method for transmitting data and base station controller |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100417240B1 (en) * | 2002-04-20 | 2004-02-05 | 한국전자통신연구원 | Method and system for digital voice communication |
| US8630414B2 (en) | 2002-06-20 | 2014-01-14 | Qualcomm Incorporated | Inter-working function for a communication system |
| KR100582575B1 (en) * | 2003-10-27 | 2006-05-23 | 삼성전자주식회사 | method for transmitting data using multi frame in wireless communication system |
| US8094821B2 (en) | 2004-08-06 | 2012-01-10 | Qualcomm Incorporated | Key generation in a communication system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2954000B2 (en) * | 1995-08-21 | 1999-09-27 | 日本電気通信システム株式会社 | Mobile communication system |
| KR100292195B1 (en) * | 1996-05-20 | 2001-09-17 | 박종섭 | Apparatus for transmitting data |
| KR100429192B1 (en) * | 1999-11-02 | 2004-04-28 | 엘지전자 주식회사 | Selector/Vocoder in mobile communication system |
| KR20010087048A (en) * | 2000-03-06 | 2001-09-15 | 서평원 | method for data transmission of mobile communication telephone |
-
2000
- 2000-07-07 KR KR1020000038773A patent/KR100624195B1/en not_active IP Right Cessation
-
2001
- 2001-07-06 CN CNB011200332A patent/CN1269367C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401794C (en) * | 2003-04-25 | 2008-07-09 | 中兴通讯股份有限公司 | Method for implementing quasi concurrent transaction in communication system |
| WO2006081772A1 (en) * | 2005-02-05 | 2006-08-10 | Huawei Technologies Co., Ltd. | A method for realizing two-way operation between circuit domain and group domain |
| CN102379138A (en) * | 2011-09-14 | 2012-03-14 | 华为技术有限公司 | Method for transmitting data and base station controller |
| WO2012119443A1 (en) * | 2011-09-14 | 2012-09-13 | 华为技术有限公司 | Method for transmitting data, and base station controller |
| CN102379138B (en) * | 2011-09-14 | 2014-07-09 | 华为技术有限公司 | Method for transmitting data and base station controller |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020004666A (en) | 2002-01-16 |
| KR100624195B1 (en) | 2006-09-19 |
| CN1269367C (en) | 2006-08-09 |
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