CN101772075B - Method for transmitting and receiving control signaling, equipment and communication system - Google Patents
Method for transmitting and receiving control signaling, equipment and communication system Download PDFInfo
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- CN101772075B CN101772075B CN2008101901230A CN200810190123A CN101772075B CN 101772075 B CN101772075 B CN 101772075B CN 2008101901230 A CN2008101901230 A CN 2008101901230A CN 200810190123 A CN200810190123 A CN 200810190123A CN 101772075 B CN101772075 B CN 101772075B
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- control signaling
- cog
- territory
- signaling message
- message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
Abstract
The embodiment of the invention discloses a method for transmitting and receiving control signaling, equipment and a communication system. The method for transmitting the control signaling comprises the steps as follows: packing a CS domain control signaling message under CoG with a PS domain control signaling message under the CoG; and transmitting the packed message to a receiving terminal through a CoG associated control channel, wherein the CoG is a GSM/EDG wireless access network bearer circuit switch SC over GERAN. The technical scheme transmits the CS domain control signaling message through the CoG associated control channel, and CS domain business data is also transmitted through a CoG business channel, therefore, the receiving terminal equipment can distinguish the CS domain business data from the CS domain control signaling by judging the types of the information channels further to process the CS domain control signaling with high priority so as to guarantee the robustness thereof and lead the business to be capable of normally running.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method of sending and receiving, equipment and the communication system of controlling signaling.
Background technology
In GSM (Global System for Mobile Communications, global system for mobile communications), comprise CS (Circuit-Switched, circuit switching) and two kinds of business of PS (Packet-Switched, packet switching).General CS territory is mainly used in the processed voice business, and the PS territory then is mainly used in the deal with data business.
CoG (CS over GERAN; The exchange of GERAN bearer circuit) be a kind of GERAN of utilization (GSM/EDGE Radio Access Network; GSM EDGE Radio Access Network) technology of carry voice traffic; Realize the multiplexing and resource-sharing in CS territory and PS territory, can promote spectrum efficiency, improved network capacity.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
After introducing CS over GERAN; CS territory control signaling under the CoG and CS domain business data all can be encoded as RLC (RLC Radio Link Control, Radio Link control) data block, and use the CoG Traffic Channel to transmit; This transmission mechanism will cause receiving terminal, and (up direction is a network equipment; Down direction is the terminal) can't carry out differentiating and processing to CS territory control signaling and CS domain business data, make CS territory control signaling lose due high priority originally, thereby reduced the robustness of CS territory control signaling; In case control signaling mistake or lose will cause business normally to carry out.
Summary of the invention
In view of this; The embodiment of the invention provides method of sending and receiving, equipment and the communication system of control signaling; After solution introducing CS over GERAN technology, receiving terminal can't be distinguished the problem of CS territory control signaling and CS domain business data, and technical scheme is following:
The embodiment of the invention provides a kind of control signaling method, comprising:
Use the packet switching PS territory control signaling message under the CoG that the control signaling message of the circuit switching (CS) territory under the CoG is encapsulated;
With the message that encapsulated, be sent to receiving terminal through the CoG associated control channel;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS overGERAN.
The embodiment of the invention also provides a kind of control signaling method of reseptance, comprising:
Receive the packet switching PS territory control signaling message on the CoG associated control channel;
Packet switching PS territory control signaling message to being received carries out decapsulation, obtains circuit switching (CS) territory control signaling message;
The embodiment of the invention also provides a kind of sending ending equipment, comprising:
Encapsulation unit is used to use the PS territory control signaling message under the CoG that the control signaling message of the CS territory under the CoG is encapsulated;
Transmitting element is used for message that said encapsulation unit was encapsulated, is sent to receiving terminal through the CoG associated control channel;
The embodiment of the invention also provides a kind of receiving device, comprising:
Receiving element is used to receive the packet switching PS territory control signaling message on the CoG associated control channel;
Decapsulation unit is used for the message that said receiving element receives is carried out decapsulation, obtains CS territory control signaling message;
The embodiment of the invention also provides a kind of communication system, comprises above-described sending ending equipment and receiving device.
Above technical scheme; Use the PS territory control signaling message under the CoG that CS territory control signaling message is carried out encapsulation process, the PS territory control signaling message that is packaged with CS territory control signaling message can transmit at the CoG associated control channel, and the CS domain business data is still in the CoG traffic channel transmission; Like this; Receiving device just can be distinguished CS domain business data and CS territory control signaling through judging channel type, further can obtain CS territory control signaling through decapsulation; And the processing mode that control signaling in CS territory is adopted high priority can normally carry out business to guarantee its robustness.
Description of drawings
Fig. 1 a controls the flow chart of signaling method embodiment for realizing the present invention;
Fig. 1 b controls the flow chart of signaling method of reseptance embodiment for realizing the present invention;
Fig. 2 is for realizing the BSC intra flow chart of the specific embodiment of the invention;
Fig. 3 a is the structural representation of embodiment of the invention sending ending equipment;
Fig. 3 b is the structural representation of embodiment of the invention receiving device;
Fig. 4 is the structural representation of embodiment of the invention communication system.
Embodiment
At first the control signaling method to the embodiment of the invention describes, and shown in Fig. 1 a, may further comprise the steps:
S101 uses the PS territory control signaling message under the CoG that the control signaling message of the CS territory under the CoG is encapsulated;
S102 with the message that encapsulated, is sent to receiving terminal through the CoG associated control channel;
Wherein, the executive agent of said method is a sending ending equipment, if CS territory control signaling message is up signaling message, then said sending ending equipment is the terminal; If CS territory control signaling message is a downlink signaling message, then said sending ending equipment is a network equipment.
Up CS control signaling message under the CoG mainly comprises: Assignment Complete (assign and accomplish) message, Handover Complete (switch and accomplish) message etc.; Its sending direction is: the terminal to network side apparatus.For up signaling message, need set up PS territory control signaling message: a Packet Uplink CS Command (packet uplink circuit switching order) under the new CoG, and use this message that the control signaling message of the up CS territory under the CoG is encapsulated.
The Packet Uplink CS Command message that encapsulated; It main cell that comprises has: the upstream or downstream TBF at terminal (Temporary Block Flow; The length (length that is used for the describing message container data) of TFI Temporary Block Flow) (Temporary FlowIdentity, temporary flow identity), container, container data (being used to describe packaged up CS territory control signaling message) etc.
The CoG descending control signaling mainly comprises: Assignment Command (assign and accomplish) message, Handover Command (switch and accomplish) message etc.; For downlink signaling message, can utilize the PS territory control signaling message Packet CS Command (packet circuit exchange command) under the existing C oG that the control signaling message of the descending CS territory under the CoG is encapsulated.
The Packet CS Command message that encapsulated, it main cell that comprises has: the TFI of the upstream or downstream TBF at page-mode, terminal, the length of container (length that is used for the describing message container data), container data (being used to describe packaged descending CS territory control signaling message) etc.
It will be appreciated by persons skilled in the art that and also can not use existing P acket CS Command message, but set up a PS territory control signaling message under the new CoG that be used to encapsulate downlink signaling message, this does not influence the realization of the embodiment of the invention.
Fig. 1 b is depicted as the control signaling method of reseptance of the embodiment of the invention, may further comprise the steps:
S103 receives the packet switching PS territory control signaling message on the CoG associated control channel;
S104 carries out decapsulation to the said message that is received, and obtains CS territory control signaling message.
The executive agent of said method is a receiving device, if CS territory control signaling message is up signaling message, then said receiving device is a network equipment; If CS territory control signaling message is a downlink signaling message, then said receiving device is the terminal.
Corresponding to before described control signaling method, the type of message that receiving terminal received comprises Packet Uplink CS Command message and Packet CS Command message.Packet UplinkCS Command message is carried out decapsulation, can obtain up CS territory control signaling message; PacketCS Command message is carried out decapsulation, can obtain descending CS territory control signaling message.
Because the PS domain message under the CoG can transmit at the CoG associated control channel; Therefore; Transmitting terminal can transmit the PS territory control signaling that is packaged with CS territory control signaling message through the CoG associated control channel, and the CS domain business data is still in the CoG traffic channel transmission.Like this, receiving terminal just can be distinguished CS territory control signaling and CS domain business data according to the transmission channel kinds of reception data.For the data of coming in the transmission of CoG associated control channel, receiving terminal is handled through it being carried out decapsulation, can obtain CS territory control signaling.Thereby can further adopt the processing mode of high priority, to guarantee its robustness to CS territory control signaling.
In order to make those skilled in the art person understand such scheme better, will combine idiographic flow to do further explanation below.
Shown in Figure 2 is BSC (Base Station Controller, base station controller) the intra flow process of CoG, may further comprise the steps:
S201, BSC sends Channel ACT (channel activation) message to switching target side BTS (Base Transceiver Station, base station).
BSC sends ChannelACT message to switching target side BTS after the BTS switching need be carried out in definite terminal, indicating target side BTS activates channel and inserts for the terminal.
S202, switching target side BTS sends Channel ACTACK (channel activates response) message to BSC.
The Channel ACT message that target side BTS sends according to BSC behind terminal activation channel, is sent response message to BSC.
S203, BSC is encapsulated in Handover Command message in the Packet CS Command message, and is sent to the terminal through the CoG associated control channel.
Target side BTS is that the terminal is activated after the channel, and BSC will issue switching command HandoverCommand to the terminal, and the information of destination channel and the related data that is used for inserting at the terminal are handed down to the terminal.Handover Command is a descending CS territory control signaling message, and in order to make a distinction with voice data, we are encapsulated in it in Packet CS Command message, and are sent to the terminal through the CoG associated control channel.
In end side, can carry out decapsulation to the Packet CS Command that sends over by the CoG associated control channel, thereby obtain Handover Command message, and carry out switching flow according to this message.
S204, after the finishing switching, the terminal is encapsulated in Handover Complete message in the Packet UplinkCS Command message, and is sent to BSC through the CoG associated control channel.
After switching flow finishes; Handoff completion message Handover Complete can be sent to BSC in the terminal; Handover Complete is a up CS territory control signaling message; In order to make a distinction with voice data, we are encapsulated in it in Packet Uplink CS Command message, and are sent to BSC through the CoG associated control channel.
BSC can carry out decapsulation to the Packet Uplink CS Command that is sended over by the CoG associated control channel, thereby obtains Handover Complete message, can know that according to Handover Complete the terminal accomplished switching.
In the described switching flow of present embodiment; After sending ending equipment encapsulates control signaling HandoverCommand and Handover Complete; Be sent to receiving device through the CoG associated control channel; Receiving device is for the message of transmitting on the CoG associated control channel, and the processing mode that can adopt high priority normally carries out business to guarantee the robustness of control signaling.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Corresponding to top method embodiment, the embodiment of the invention also provides a kind of sending ending equipment, shown in Fig. 3 a, comprising:
Transmitting element 320 is used for message that said encapsulation unit 310 was encapsulated, is sent to receiving terminal through the CoG associated control channel;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS overGERAN.
If CS territory control signaling message is a up CS territory control signaling message; Then said encapsulation unit 310 is specially up encapsulation unit, is used to use packet uplink circuit switching order Packet Uplink CSCommand message that the control signaling message of the CS territory under the CoG is encapsulated.
If CS territory control signaling message is a descending CS territory control signaling message, then said encapsulation unit 310 is specially descending encapsulation unit, is used to use packet circuit exchange command Packet CS Command message that the control signaling message of the CS territory under the CoG is encapsulated.
The embodiment of the invention also provides a kind of receiving device, shown in Fig. 3 b, comprising:
Receiving element 330 is used to receive the packet switching PS territory control signaling message on the CoG associated control channel.
Wherein, said decapsulation unit 340 can comprise:
Up decapsulation unit is used for packet uplink circuit switching order Packet Uplink CSCommand message is carried out decapsulation, obtains up CS territory control signaling message.
Descending decapsulation unit is used for packet circuit exchange command Packet CS Command message is carried out decapsulation, obtains descending CS territory control signaling message.
The embodiment of the invention also provides a kind of communication system, referring to shown in Figure 4, comprising:
Sending ending equipment 410 is used to use the PS territory control signaling message under the CoG that the control signaling message of the CS territory under the CoG is encapsulated; With the message that encapsulated, be sent to receiving terminal through the CoG associated control channel;
Receiving device 420 is used to receive said sending ending equipment through the packet switching PS territory control signaling message that the CoG associated control channel is sent, and said message is carried out decapsulation, obtains CS territory control signaling message.
Wherein, the concrete composition of said sending ending equipment 410 and receiving device 420 can no longer be given unnecessary details referring to sending ending equipment that is provided in the preamble and receiving device here.
Above equipment that provides and system carry out encapsulation process through using the PS territory control signaling message under the CoG to CS territory control signaling message, and the PS territory control signaling message that is packaged with CS territory control signaling message can transmit at the CoG associated control channel; And the CS domain business data is still in the CoG traffic channel transmission; Like this, receiving device just can be distinguished CS domain business data and CS territory control signaling through judging channel type; Further can obtain CS territory control signaling through decapsulation; And the processing mode to CS territory control signaling employing high priority to guarantee its robustness, normally carries out business.
For device and system embodiment, because it is basically corresponding to method embodiment, so describe fairly simplely, relevant part gets final product referring to the part explanation of method embodiment.Device described above and system embodiment only are schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of module wherein of reality.Those of ordinary skills promptly can understand and implement under the situation of not paying performing creative labour.
The above only is an embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (12)
1. a control signaling method is characterized in that, comprising:
Use the packet switching PS territory control signaling message under the CoG that the control signaling message of the circuit switching (CS) territory under the CoG is encapsulated;
With the message that encapsulated, be sent to receiving terminal through the CoG associated control channel;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS over GERAN.
2. method according to claim 1 is characterized in that, when said CS territory control signaling message was up CS territory control signaling message, the PS territory control signaling message under the said use CoG encapsulated the control signaling message of the CS territory under the CoG, comprising:
Use packet uplink circuit switching order Packet Uplink CS Command message that the control signaling message of the CS territory under the CoG is encapsulated.
3. method according to claim 1 is characterized in that, when said CS territory control signaling message was descending CS territory control signaling message, the PS territory control signaling message under the said use CoG encapsulated the control signaling message of the CS territory under the CoG, comprising:
Use packet circuit exchange command Packet CS Command message that the control signaling message of the CS territory under the CoG is encapsulated.
4. a control signaling method of reseptance is characterized in that, comprising:
Receive the packet switching PS territory control signaling message on the CoG associated control channel;
Packet switching PS territory control signaling message to said reception carries out decapsulation, obtains circuit switching (CS) territory control signaling message;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS over GERAN.
5. method according to claim 4 is characterized in that, said PS territory control signaling message comprises:
Packet uplink circuit switching order Packet Uplink CS Command message, and/or packet circuit exchange command Packet CS Command message.
6. a sending ending equipment is characterized in that, comprising:
Encapsulation unit is used to use the PS territory control signaling message under the CoG that the control signaling message of the CS territory under the CoG is encapsulated;
Transmitting element is used for message that said encapsulation unit was encapsulated, is sent to receiving terminal through the CoG associated control channel;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS over GERAN.
7. sending ending equipment according to claim 6 is characterized in that, said CS territory control signaling message is a up CS territory control signaling message, and then said encapsulation unit comprises:
Up encapsulation unit is used to use packet uplink circuit switching order Packet Uplink CS Command message that the control signaling message of the CS territory under the CoG is encapsulated.
8. sending ending equipment according to claim 6 is characterized in that, said CS territory control signaling message is a descending CS territory control signaling message, and then said encapsulation unit comprises:
Descending encapsulation unit is used to use packet circuit exchange command Packet CS Command message that the control signaling message of the CS territory under the CoG is encapsulated.
9. a receiving device is characterized in that, comprising:
Receiving element is used to receive the packet switching PS territory control signaling message on the CoG associated control channel;
Decapsulation unit is used for the said message that said receiving element receives is carried out decapsulation, obtains CS territory control signaling message;
Wherein, said CoG is: GSM EDGE Radio Access Network network bearer circuit exchange CS over GERAN.
10. receiving device according to claim 9 is characterized in that, said decapsulation unit comprises:
Up decapsulation unit is used for packet uplink circuit switching order Packet Uplink CS Command message is carried out decapsulation, obtains up CS territory control signaling message.
11. receiving device according to claim 9 is characterized in that, said decapsulation unit comprises:
Descending decapsulation unit is used for packet circuit exchange command Packet CS Command message is carried out decapsulation, obtains descending CS territory control signaling message.
12. a communication system is characterized in that, this communication system comprises like each described sending ending equipment in the claim 6 to 8 with like each described receiving device in the claim 9 to 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101901230A CN101772075B (en) | 2008-12-31 | 2008-12-31 | Method for transmitting and receiving control signaling, equipment and communication system |
| PCT/CN2009/076096 WO2010075756A1 (en) | 2008-12-31 | 2009-12-26 | Method, apparatus and communication system for control signaling processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101901230A CN101772075B (en) | 2008-12-31 | 2008-12-31 | Method for transmitting and receiving control signaling, equipment and communication system |
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| Publication Number | Publication Date |
|---|---|
| CN101772075A CN101772075A (en) | 2010-07-07 |
| CN101772075B true CN101772075B (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101901230A Expired - Fee Related CN101772075B (en) | 2008-12-31 | 2008-12-31 | Method for transmitting and receiving control signaling, equipment and communication system |
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| CN (1) | CN101772075B (en) |
| WO (1) | WO2010075756A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103607783B (en) * | 2013-12-06 | 2017-04-26 | 中国联合网络通信集团有限公司 | CSFB (Circuit Switched Domain Fall Back) call establishment method and user equipment |
| CN109089002B (en) * | 2017-06-13 | 2021-06-25 | 中国移动通信集团陕西有限公司 | Method and device for blocking illegal network telephone |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1941933A (en) * | 2005-09-30 | 2007-04-04 | 华为技术有限公司 | Method and telecommunication system for accessing IMS domain to circuit domain users |
| CN101083833A (en) * | 2006-06-02 | 2007-12-05 | 华为技术有限公司 | Terminal and method for realizing seamless switching among different communication network |
| CN101098283A (en) * | 2006-06-28 | 2008-01-02 | 华为技术有限公司 | Method for implementing multimedia call intercommunication in CS field and IMS field |
-
2008
- 2008-12-31 CN CN2008101901230A patent/CN101772075B/en not_active Expired - Fee Related
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2009
- 2009-12-26 WO PCT/CN2009/076096 patent/WO2010075756A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1941933A (en) * | 2005-09-30 | 2007-04-04 | 华为技术有限公司 | Method and telecommunication system for accessing IMS domain to circuit domain users |
| CN101083833A (en) * | 2006-06-02 | 2007-12-05 | 华为技术有限公司 | Terminal and method for realizing seamless switching among different communication network |
| CN101098283A (en) * | 2006-06-28 | 2008-01-02 | 华为技术有限公司 | Method for implementing multimedia call intercommunication in CS field and IMS field |
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| Publication number | Publication date |
|---|---|
| CN101772075A (en) | 2010-07-07 |
| WO2010075756A1 (en) | 2010-07-08 |
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