CN101562852B - Method, device and system for processing wireless link increment process - Google Patents
Method, device and system for processing wireless link increment process Download PDFInfo
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Abstract
The invention discloses a method for processing wireless link increment process, which comprises the following steps: a drift wireless network controller receives wireless link increment request information sent by a service wireless network controller, the wireless link increment request information carries first information used for indicating service link change, the first information carries information used for establishing transmission bearing; the drift wireless network controller increases wireless links according to the wireless link increment request information; the drift wireless network controller changes a service link according to the first information; and the drift wireless network controller establishes transmission bearing for a target service link after changing the service link according to the information used for establishing the transmission bearing. Correspondingly, the invention also discloses a communication system and a communication device. The invention avoids data transmission interruption and improves transmission reliability through the way that the drift wireless network controller is informed to establish the bearing for a new service link when the wireless link is increased and the service link is changed.
Description
Technical field
The present invention relates to electronic communication field, especially relate to a kind of method and a kind of radio network controller and a kind of communication system of processing wireless link increment process.
Background technology
In order to adapt to the multimedia service needs growing to high speed data transfer; 3G (Third Generation) Moblie collaborative project group (3GPP) has proposed a kind of new high speed data transfer technology; Be called high-speed packet and insert (HighSpeed Packet Access, HSPA) technology.
WCDMA (Wideband Code Division Multiple Access; WCDMA) after system introduces HSPA; Regulation according to 3GPP standard R7 version; Striding IUR mouth (the IUR mouth is the interface between radio network controller and the radio network controller) Radio Link in processing increases (RADIO LINKADDITION) flow process, and (Enhanced Dedicated Channel is when EDCH) link changes especially to follow service to strengthen dedicated channel at RADIO LINK ADDITION; Can not cause the link establishment failure takes place in the flow if service link new service link is after changing set up transmission bearer, transfer of data is interrupted.
Summary of the invention
The embodiment of the invention is to provide a kind of method, system and radio network controller of processing wireless link increment process; When Radio Link increases and follow the service link change; The notice floating radio network controller is that new service link is set up carrying; Avoid transfer of data to interrupt, improve transmission reliability.
The embodiment of the invention has proposed a kind of method of processing wireless link increment process; Comprise: floating radio network controller receives the wireless link increasing request message that service wireless network controller sends; Carry the first information that is used to indicate the service link change in the said wireless link increasing request message, carry in the said first information and be used to set up transmission bearing information; Floating radio network controller increases Radio Link according to said wireless link increasing request message; Floating radio network controller is according to said first information change service link; Floating radio network controller is used to set up transmission bearing information and sets up transmission bearer for the target service link after changing service link according to said.
Correspondingly, the embodiment of the invention has also proposed a kind of radio network controller, comprising:
Receiving element; Be used to receive the wireless link increasing request message that service wireless network controller sends; Carry the first information that is used to indicate the service link change in the said wireless link increasing request message, carry in the said first information and be used to set up transmission bearing information;
Link increases the unit, with said receiving element coupling, is used for increasing Radio Link according to said wireless link increasing request message;
Service link change unit with said receiving element coupling, is used for the first information that carries according to said wireless link increasing request message, change service link;
The unit is set up in carrying, with the coupling of said receiving element, is used for being used to set up transmission bearing information according to said, for the target service link after changing service link is set up transmission bearer.
Correspondingly, the embodiment of the invention also provides a kind of radio network controller, comprising:
Load bearing unit is used for adding the first information that is used to indicate the service link change in wireless link increasing request message, carries in the said first information to be used to set up transmission bearing information;
Message sending unit with said load bearing unit coupling, is used for sending the wireless link increasing request message that carries the said first information to floating radio network controller.
Correspondingly, the embodiment of the invention also provides a kind of communication system, comprises first radio network controller and second radio network controller that can intercom mutually,
Wherein, said second radio network controller comprises:
Load bearing unit is used for adding the first information that is used to indicate the service link change in wireless link increasing request message, carries in the said first information to be used to set up transmission bearing information;
Message sending unit with said load bearing unit coupling, is used for sending the wireless link increasing request message that carries the said first information to first radio network controller;
Wherein, said first radio network controller comprises:
Receiving element; Be used to receive the wireless link increasing request message that second radio network controller sends; Carry the first information that is used to indicate the service link change in the said wireless link increasing request message, carry in the said first information and be used to set up transmission bearing information;
Link increases the unit, with said receiving element coupling, is used for increasing Radio Link according to said wireless link increasing request message;
Service link change unit with said receiving element coupling, is used for the first information that carries according to said wireless link increasing request message, change service link;
The unit is set up in carrying, with the coupling of said receiving element, is used for being used to set up transmission bearing information according to said, for the target service link after changing service link is set up transmission bearer.
Method, system and the radio network controller of a kind of processing wireless link increment process through embodiment of the present invention;, carries service wireless network controller the first information that is used to indicate the service link change in sending to the wireless link increasing request message of floating radio network controller; And utilize the first information to carry to be used to set up transmission bearing information; Floating radio network controller is that new service link is set up transmission bearer according to the first information; Solve the defective that to carry new service link transmission bearer information in the existing wireless link increasing request message, avoided transfer of data to interrupt, improved data transmission credibility.
Description of drawings
Fig. 1 is a kind of application scenarios sketch map of the embodiment of the invention;
Fig. 2 is the method flow diagram of a kind of processing wireless link increment process of the embodiment of the invention;
Fig. 3 is a kind of communication system block diagram of the embodiment of the invention;
Fig. 4 is the structured flowchart of a kind of radio network controller of the embodiment of the invention;
Fig. 5 is the structured flowchart of a kind of radio network controller of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, set forth the technical scheme of method, system and the radio network controller of a kind of processing wireless link increment process of the embodiment of the invention in detail.
Fig. 1 illustrates a kind of application scenarios of the embodiment of the invention.The WCDMA system comprise core net (CoreNetwork, CN), radio network controller (Radio Network Controller, SRNC), base station (NodeB).RNC can be divided into Serving RNC (Serving RNC according to function; SRNC) and Drift Radio Network Controller (Drift RNC, DRNC), wherein; Serving RNC is the RNC that is provided to the connection of core net for current terminal, and Drift Radio Network Controller is the RNC at the new Target cell place selected of said user.CN is connected with SRNC through the IU mouth, and SRNC is connected with DRNC through the IUR mouth, and SRNC is connected with NodeB through the IUB mouth, and DRNC is connected with NodeB through the IUB mouth.When terminal during from the base station of the base station soft handover under the SRNC under DRNC, DRNC increases Radio Link by the SRNC notice, and DRNC carries out the wireless link increment process of striding the IUR mouth.
In carrying out said wireless link increment process; Possibly be attended by the service link change; As: the change of service EDCH link, the Serving E-DCH RL cell notice DRNC that increases in request (RADIO LINKADDITION REQUEST) message through the Radio Link that sends to DRNC at SRNC carries out the service link change.To be service link be altered to the service link of another sub-district from the service link of a sub-district for service link change, and said two sub-districts belong to same radio network controller, also can belong to the different networks controller.For example detect the signal of a sub-district under the DRNC when relatively good when the terminal, just might do the service link change, the service link of the sub-district under the SRNC is altered on the service link of the sub-district under the reasonable DRNC of signal.Said service link before changing becomes the source service link, and service link after changing becomes the destination service link.
Illustrate the method for a kind of processing wireless link increment process of the embodiment of the invention with reference to figure 2, comprising:
S201; Service wireless network controller sends Radio Link to drift service network controller increases request (RADIO LINK ADDITION REQUEST) message; Carry the first information that is used to indicate the service link change in the said RADIO LINK ADDITIONREQUEST message; Carry in the said first information and be used to set up transmission bearing information, such as: binding ID and transport layer address.
After S202, floating radio network controller receive said RADIO LINK ADDITION REQUEST message, carry out the processing that Radio Link increases, newly-built EDCH link set.Floating radio network controller is indicated the first information of service link change according to being used in the RADIO LINK ADDITION REQUEST message; Such as: Serving E-DCH RL cell; Judge and to serve the change of EDCH link; Then serving the change of EDCH link handles: if the sub-district that source service EDCH link and destination service EDCH link relate to is the sub-district under the different RNCs, then the service link at terminal is altered to the destination service EDCH link of this Drift Radio Network Controller from the source service EDCH link of another Serving RNC; If the sub-district that source service EDCH link and destination service EDCH link relate to is the sub-district under the same RNC, then the service link at terminal is served the EDCH link from the source of this Drift Radio Network Controller and be altered to destination service EDCH link.Particularly, can be to get link in the newly-built EDCH link set of this Drift Radio Network Controller as destination service EDCH link, non-service EDCH link that perhaps this Drift Radio Network Controller has been existed or R99 link are as destination service EDCH link.If non-service EDCH link that this Drift Radio Network Controller has been existed or R99 link are as destination service EDCH link; Because the predecessor of this destination service EDCH link (non-service EDCH link or R99 link) does not set up the EDCH transmission bearer; For avoiding that the link establishment failure takes place in the flow; Transfer of data is interrupted, so need be such destination service EDCH link establishment transmission bearer.
For the mode of destination service EDCH link establishment transmission bearer can be: said Drift Radio Network Controller detects the said first information that carries in the said RADIO LINK ADDITION REQUEST message; Then set up transmission bearing information according to being used in the said first information; Such as: binding ID and transport layer address are said destination service EDCH link establishment transmission bearer.Wherein, Utilization is used to set up transmission bearing information; Such as: binding ID and transport layer address; The related definition of setting up idiographic flow and the binding ID and the transport layer address of transmission bearer can repeat no more with reference to the associated description of the technical specification 25.423 version 7.7.0 and the 25.433 version 7.7.0 (3GPP TS 25.423V7.7.0 and 3GPP TS 25.433V7.7.0) of third generation gpp here.
S203; Floating radio network controller returns Radio Link to service wireless network controller increases response (RADIO LINK ADDITION RESPONSE) message or Radio Link increase failure (RADIOLINK ADDITION FAILURE) message, and in said RADIO LINK ADDITIONRESPONSE message or RADIO LINK ADDITION FAILURE message, carries second information that is used to indicate service link change result.Such as second information can be E-DCH Serving CellChange Information Response cell, and in this cell, carries binding ID and transport layer address that floating radio network controller is said fresh target service EDCH link assignment.
In step S203, particularly, when Radio Link increased successfully, sending said Radio Link increased response message; When Radio Link increased failure or partly fails, sending said Radio Link increased failed message.
In the specific implementation, the said first information is specially:
The Serving E-DCH RL cell of wireless link increasing request message.Said Serving E-DCH RL cell may further include RL specific E-DCH Information cell.Wherein, Serving E-DCHRL cell structure please refer to table 1, and RL specific E-DCH Information cell structure please refer to table 2.
Table 1, Serving E-DCH RL cell structure
| IE/Group?Name | Presence | Range | IE?Type?and Reference | Semantics?Description |
| CHOICE?Serving?E-DCH?RL | M | |||
| >Serving?E-DCH?RL?in?this DRNS | ||||
| >>Serving?E-DCH?RL?ID | M | RL?ID 9.2.1.49 | ||
| >>RL?specific?E-DCH Information | O | 9.2.2.35a | ||
| >Serving?E-DCH?RL?not?in this?DRNS | NULL |
Table 2RL specific E-DCH Information cell structure
| ?IE/Group?Name | Presence | Range | IE?Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| ?RL?Specific?E-DCH?Information | 1..<maxnoof EDCHMACd Flows> | - | ||||
| ?>E-DCH?MAC-d?Flow?ID | M | 9.2.1.91 | - | |||
| ?>Binding?ID | O | 9.2.1.3 | Shall?be?ignored if?bearer establishment with?ALCAP. | - | ||
| ?>Transport?Layer?Address | O | 9.2.1.62 | Shall?be?ignored if?bearer establishment with?ALCAP. | - | ||
| ?>Transport?Bearer?Not?Requested?Indicator | O | 9.2.2.4S | YES | ignore | ||
| ?E-AGCH?Power?Offset | O | 9.2.2.61 | - | |||
| ?E-RGCH?Power?Offset | O | 9.2.2.62 | - | |||
| ?E-HICH?Power?Offset | O | 9.2.2.63 | - |
Shown in aforementioned table 2, in said RL specific E-DCH Information cell, carry the binding ID (Binding ID) and transport layer address (the Transport Layer Address) that are used to set up transmission bearer.
In the specific implementation, shown in following table 3, second information described in the step S203 specifically can for:
Radio Link increases the E-DCH Serving CellChange Information Response cell of response message or Radio Link increase failed message.The E-DCH FDD Information Response cell that E-DCH Serving Cell Change InformationResponse cell may further include.
Table 3, E-DCH Serving Cell Change Information Response cell
| IE/Group?Name | Presence | Range | IE?Type?and Reference | Semantics?Description |
| CHOICE?Serving?Cell?Change | ||||
| >Successful | ||||
| >>RL?Information Response | 0..<maxno ofRLs-1> | |||
| >>>RL?ID | M | 9.2.1.49 | ||
| >>>E-DCH?FDD?DL Control?Channel Information | M | 9.2.2.4D | ||
| >>>E-DCH?FDD Information?Response | O | 9.2.2.4C | Only?For?Serving?Edch?RI | |
| >Unsuccessful | ||||
| >>Cause | M | 9.2.1.5 |
Need to prove; In this example; If destination service EDCH link be floating radio network controller receive under the RADIO LINK ADDITION REQUEST message newly-built; Be the newly-built EDCH link set that destination service EDCH link belongs to floating radio network controller, in RADIO LINKADDITION RESPONSE message or RADIO LINK ADDITION FAILURE message, can not carry second information so, as: E-DCH FDD Information Response cell.
Need carry out functional enhancing to system and associated drift radio network controller thereof and service wireless network controller based on the method for the processing wireless link increment process of the foregoing description.
As shown in Figure 3, a kind of communication system of processing wireless link increment process, it comprises first radio network controller (being specially DRNC) and second radio network controller (being specially SRNC) that can intercom mutually.
In the specific implementation, as shown in Figure 4, said second radio network controller comprises:
Load bearing unit 4100; Be used for wireless link increasing request message add one be used to indicate the service link change the first information; Carry in the said first information and be used to set up transmission bearing information, such as: binding ID and transport layer address, particularly; Shown in aforementioned table 2, the said first information specifically can be the Serving E-DCH RL cell of said wireless link increasing request message.Serving E-DCH RL cell may further include RL specific E-DCH Information cell, then saidly is used to set up binding ID and the transport layer address that transmission bearing information can be carried for RL specific E-DCH Information cell.
In the specific implementation, as shown in Figure 5, said first radio network controller comprises:
Receiving element 5100; Be used to receive the wireless link increasing request message that said second radio network controller sends; Carry in the said wireless link increasing request message one be used to indicate the service link change the first information, carry in the said first information and be used to set up transmission bearing information;
Link increases unit 5600, with said receiving element 5100 couplings, is used for increasing Radio Link according to the wireless link increasing request message that receives, and newly-built link set is like newly-built EDCH link set;
Service link change unit 5700; With said receiving element 5100 couplings, be used for the first information according to the wireless link increasing request message that receives, such as: Serving E-DCH RL cell; Judge in the time of to carry out the service link change, serve the change of EDCH link and handle.
In another embodiment of the present invention, said second radio network controller further comprises:
Adding device 5400; Be used for after the foundation of unit 5300 completion transmission bearers is set up in carrying; Increase by second information that interpolation one is used to indicate service link change result in response message or the Radio Link increase failed message at Radio Link; Particularly, as shown in table 3, said second information can increase the E-DCH Serving Cell Change InformationResponse cell that response message or Radio Link increase failed message for: Radio Link.The E-DCH FDD Information Response cell that E-DCH Serving Cell Change Information Response cell may further include.
Transmitting element 5500; The Radio Link that is used for carrying said second information increases response message or Radio Link and increases failed message and send; Wherein, Carry the transmission bearer relevant information that this radio network controller is said destination service EDCH link assignment in the said Radio Link increase response message, such as: binding ID and transport layer address send to second radio network controller (SRNC); Particularly, when Radio Link increases successfully, send said Radio Link increase response message or when Radio Link increases failure or partly fails, send said Radio Link increase failed message.
In sum; The method of a kind of processing wireless link increment process of the present invention, system and radio network controller; When striding the increase of IUR mouth Radio Link and following the service link change;, carries service wireless network controller the first information that is used to indicate the service link change in sending to the wireless link increasing request message of floating radio network controller, such as: RL specific E-DCH Information cell, and utilize the first information to carry to be used to set up transmission bearing information; Such as: the binding ID and the transport layer address that are used to set up transmission bearer; Floating radio network controller is set up transmission bearer according to first for new service link, carries binding ID and the transport layer address that is used to set up transmission bearer in the said RL specific E-DCH Information cell, has solved the defective that can't carry new service link transmission bearer information in the existing wireless link increasing request message; Avoid transfer of data to interrupt, improve data transmission credibility.
The above is a preferred implementation 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 are regarded as protection scope of the present invention.
Claims (14)
1. the method for a processing wireless link increment process is characterized in that, said method is used for the Radio Link increase and follows service link change environment, and said method comprises:
Floating radio network controller receives the wireless link increasing request message that service wireless network controller sends; Carry the first information that is used to indicate the service link change in the said wireless link increasing request message, carry in the said first information and be used to set up transmission bearing information;
Floating radio network controller increases Radio Link according to said wireless link increasing request message;
Floating radio network controller is according to said first information change service link;
Floating radio network controller is used to set up transmission bearing information and sets up transmission bearer for the target service link after changing service link according to said.
2. the method for claim 1 is characterized in that, floating radio network controller is for after the target service link after changing service link sets up transmission bearer, and said method further comprises:
Floating radio network controller returns Radio Link to said service wireless network controller increases response message or Radio Link increase failed message, and in said Radio Link increase response message or Radio Link increase failed message, carries second information that is used to indicate service link change result.
3. according to claim 1 or claim 2 method is characterized in that:
It is said that to be used to set up transmission bearing information be binding ID and transport layer address.
4. method as claimed in claim 3 is characterized in that:
The said first information is specially the Serving E-DCH RL cell of said wireless link increasing request message;
Wherein, said Serving E-DCH RL cell further comprises RL specific E-DCHInformation cell;
It is said that to be used to set up transmission bearing information be binding ID and the transport layer address that RL specific E-DCH Infomation cell carries.
5. method as claimed in claim 2 is characterized in that:
Said second information is specially the E-DCH Serving Cell Change Information Response cell that Radio Link increases response message or Radio Link increase failed message;
Wherein, said E-DCH Serving Cell Change Information Response cell further comprises E-DCH FDD Information Response cell.
6. method as claimed in claim 3 is characterized in that, the predecessor of said destination service link is: non-service link or R99 link.
7. a radio network controller is characterized in that, is used for the Radio Link increase and follows service link change environment, and said radio network controller comprises:
Receiving element; Be used to receive the wireless link increasing request message that service wireless network controller sends; Carry the first information that is used to indicate the service link change in the said wireless link increasing request message, carry in the said first information and be used to set up transmission bearing information;
Link increases the unit, with said receiving element coupling, is used for increasing Radio Link according to said wireless link increasing request message;
Service link change unit with said receiving element coupling, is used for the first information that carries according to said wireless link increasing request message, change service link;
The unit is set up in carrying, with the coupling of said receiving element, is used for being used to set up transmission bearing information according to said, for the target service link after changing service link is set up transmission bearer.
8. radio network controller as claimed in claim 7 is characterized in that, further comprises:
Adding device is used for increasing by second information that the failed message interpolation is used to indicate service link change result at Radio Link increase response message or Radio Link;
Transmitting element with said adding device coupling, is used for Radio Link increase response message that carries said second information or Radio Link increase failed message are sent to service wireless network controller.
9. radio network controller as claimed in claim 7 is characterized in that, said to be used to set up transmission bearing information be binding ID and transport layer address.
10. radio network controller as claimed in claim 9 is characterized in that:
The said first information is specially the Serving E-DCH RL cell of said wireless link increasing request message;
Wherein, said Serving E-DCH RL cell further comprises RL specific E-DCHInformation cell;
It is said that to be used to set up transmission bearing information be binding ID and the transport layer address that RL specific E-DCH Information cell carries.
11. radio network controller as claimed in claim 8 is characterized in that:
Said second information is specially the E-DCH Serving Cell Change Information Response cell that Radio Link increases response message or Radio Link increase failed message;
Wherein, said E-DCH Serving Cell Change Information Response cell further comprises E-DCH FDD Information Response cell.
12. a radio network controller is characterized in that, is used for the Radio Link increase and follows service link change environment, said radio network controller comprises:
Load bearing unit is used for adding the first information that is used to indicate the service link change in wireless link increasing request message, carries in the said first information to be used to set up transmission bearing information;
Message sending unit with said load bearing unit coupling, is used for sending the wireless link increasing request message that carries the said first information to floating radio network controller.
13. radio network controller as claimed in claim 12 is characterized in that, said to be used to set up transmission bearing information be binding ID and transport layer address.
14. the system of a processing wireless link increment process; It is characterized in that; Be used for the Radio Link increase and follow service link change environment; The system of said processing wireless link increment process comprises like each described first radio network controller of claim 7 to 11, and like each described second radio network controller of claim 11 to 13, said first radio network controller intercoms with said second radio network controller mutually.
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| CN101019344A (en) * | 2004-08-12 | 2007-08-15 | 三星电子株式会社 | Method and apparatus for uplink data transmission in handover area using transport channels for uplink service |
| CN101111069A (en) * | 2006-07-21 | 2008-01-23 | 华为技术有限公司 | Method and apparatus for processing request of wireless links establishing or increasing |
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| .UTRAN Iur interface RNSAP signalling (Release 7).《3GPP TS 25.423 V7.8.0》.2008,第8.3.2节，第9.1.6至9.1.8节，第9.2.2.35a节. |
| 3rd Generation Partnership Project |
| 3rd Generation Partnership Project.UTRAN Iur interface RNSAP signalling (Release 7).《3GPP TS 25.423 V7.8.0》.2008,第8.3.2节,第9.1.6至9.1.8节,第9.2.2.35a节. * |
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Effective date of registration: 20211220 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |