CN1870814A - Set-up/adding method of radio link of cell switchover - Google Patents
Set-up/adding method of radio link of cell switchover Download PDFInfo
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Abstract
This invention involves a set-up / adding method for wireless link circuit switching in a cell including: A. SRNC receives wireless link circuit information of DRNC controlling sphere. B. SRNC collects a number of wireless link information and sends it to DRNC with one message. C. DRNC establishes / increases wireless link according to the establishment / increasing information of Iur access interface of wireless circuit. Judging whether the wireless links are successful in the establishment / increase in C, if one gets success, then a response message of success is fed back to SRNC to end it, otherwise, if all are failed, then a failure message is fed back to SRNC.
Description
Technical field
The present invention relates to the CDMA communication technology, particularly relate to a kind of Radio Link foundation/increase method that switch the sub-district in time-division duplex (TDD CDMA, Time Division duplex Code Division Multiple Access) system.
Background technology
Mobile communication has developed into 3G (Third Generation) Moblie (3G, Third Generation).In 3G network, exist radio network controller (RNC takes place, Radio Network Controller) switching between, RNC inscribe commutation ratio needs service wireless network controller SRNC and floating radio network controller DRNC to handle jointly when switching between RNC, causes expense huge.Wherein, the structural representation between described SRNC and the DRNC comprises core net, SRNC, DRNC, UE and sub-district, specifically sees Fig. 1 for details.
At present, at 3GPP (The 3rd Generation Partnership Project,) TS25.423V4.12.1 (2004-6)/V5.11.0 (2004-9)/V6.3.0 (2004-9) agreement in, if need between radio network controller, switch, the just necessary Radio Link of in floating radio network controller (DRNC) control sub-district, setting up earlier, the Radio Link of Iur interface is set up request (RADIO LINKSETUP REQUEST) in to the TDD system, as can be known, a wireless links is set up in request message or the wireless link increasing request message can only set up a wireless links in a sub-district in Radio Link increase request (RADIO LINK ADDITIONREQUEST) message semantic definition.Set up failure or Radio Link increases in the response message of failure at Radio Link, also can only carry a wireless links ID number.Because service wireless network controller SRNC does not also know the occupation condition of each sub-district of floating radio network controller DRNC administration, therefore, when SRNC judges the sub-district of tangentially DRNC control according to the measurement report of user equipment (UE) or other triggering sources, in the selection of sub-district, there is certain blindness.
As shown in Figures 2 and 3, be respectively the schematic diagram that Radio Link in the prior art is set up request and increased request process.In Fig. 2, suppose RNC1 control sub-district A, RNC2 control sub-district B and C.If at sub-district A, SRNC was RNC1 when UE began, when UE enters sub-district A, B, during the C overlapping region, RNC1 should judge and set up Radio Link by the Iur interface on Target cell B, the C of RNC2 (described RNC2 is DRNC) administration according to the measurement report of UE.
And in Fig. 3, entered the control sub-district A of DRNC as UE; Sub-district A, B, C belong to same Node B control; The reorientation of Iu mouth does not begin, and UE is subjected to the control of SRNC, and promptly SRNC obtains the information that UE needs tangential sub-district B or C from measurement report or other triggering sources of UE.At this moment should use Radio Link to increase according to agreement.And by the newly-increased Iur agreement of present link as can be known, can only select a sub-district in the RNC2 institute compass of competency to carry out the Radio Link increase earlier, if because occupation condition causes the link establishment failure, then, Radio Link is carried out in the another one sub-district of reselecting RNC2 again and being administered to be increased, and carrying out twice Radio Link on the Iur interface increases in the mutual process, has caused the increase of transmission delay undoubtedly, increase the signaling burden, thereby influenced communication quality.
By above-mentioned disclosed technical scheme as can be known, when SRNC sets up Radio Link by the Iur interface in the DRNC compass of competency, one wireless links is set up a link information that can only carry a sub-district in the request message (perhaps the wireless road that connects increases request message), if link establishment failure, SRNC can only reselect that the another one sub-district rebulids Radio Link one time in the described DRNC compass of competency, if the link establishment success is then set up success response to the SRNC feedback.This sets up in the mutual process of message (or the newly-increased request message of Radio Link) at Radio Link, will cause interaction times to increase, thereby produce unnecessary sub-district the delaying of link establishment when switching, increased the signaling burden, had a strong impact on the communication between the user.
Summary of the invention
The technical problem that the present invention solves provides the Radio Link foundation/increase method that switch a kind of sub-district, by expanding the corresponding message that Radio Link is set up, and when solving the sub-district switching, the time delay of Iur interface wireless link establishment.
For addressing the above problem, the invention provides the Radio Link foundation/increase method that switch a kind of sub-district, described method is applied to service wireless network controller by Iur interface foundation/increase Radio Link in the zone of floating radio network controller administration, comprising:
A, service wireless network controller obtain the wireless link information in the floating radio network controller control range according to the measurement report of subscriber equipment;
B, service wireless network controller constitute set with several wireless link informations, send to floating radio network controller by a piece of news;
C, floating radio network controller are according to the content in Iur interface wireless link establishment/increase message, foundation/increase Radio Link.
Described step C specifically comprises:
C1, floating radio network controller be according to the content of several wireless link informations that receive in Iur interface wireless link establishment/increase message, selects a wireless links information in the set to carry out Radio Link foundations/increase in the zone that floating radio network controller is administered and asks;
C2, floating radio network controller judge whether the foundation/increase of described Radio Link is successful, if then to service wireless network controller feedback foundation/increase success response message, finish; Otherwise, execution in step C3;
C3, continuation judge whether next wireless links is set up/increased successfully, if success then to service wireless network controller feedback foundation/increase success response message, finishes; Otherwise, continuing to judge next wireless links, the foundation/increase of all Radio Links all gets nowhere in this set, then to service wireless network controller feedback foundation/increase failure response message.
Described service wireless network controller logarithm wireless links information constitutes set according to priority.
Described priority is the size that user equipment to report is measured district pilots intensity.
Described priority is the size that user equipment to report is measured the sub-district signal interference ratio.
In the zone that floating radio network controller is administered, carry out Radio Link foundation/increase request according to district pilots intensity or signal interference ratio by descending selective sequential one wireless links information among the described step C.
Also comprising step between step C1 and the step C2: described floating radio network controller judges in institute's Target cell whether idling-resource is arranged after receiving that Radio Link is set up request, if having, then carries out the distribution of resource according to the priority of described Radio Link message.
Carry several wireless link informations in the message of described Radio Link foundation/increase request, carry in every wireless links information a sub-district ID number.
Comprise the successful Radio Link ID of Radio Link foundation/increase number, sub-district ID number in the success response of foundation/increase described in the step C3 message.
Carry wireless link informations all in the Radio Link request message in the failure response of foundation/increase described in the step C3 message and Radio Link ID number of carrying, sub-district ID number and failure cause.
Compared with prior art, the present invention has following beneficial effect: several Radio Link message that the present invention will receive from the Iur interface message are arranged in set according to the size of measuring district pilots intensity or signal interference ratio, in described set, select a wireless links information foundation/increase Radio Link request in order, if there is a wireless links message in the Target cell that DRNC administered, set up/to increase successfully, then to SRNC based on feedback link foundation/increase success response message, efficiently solve in the prior art when a chain circuit message is set up failure in the sub-district that DRNC administered, then the foundation of Radio Link is carried out in another sub-district of reselecting in the described compass of competency of SRNC, unnecessary time delay on the IUR interface and when causing the sub-district to switch, the present invention simultaneously is the effectively less load of signaling.In addition, present IUR interface wireless link establishment/increase successfully, failed message have also been made corresponding modification.
Description of drawings
Fig. 1 is the structural representation between prior art SRNC and the DRNC;
Fig. 2 is the schematic diagram that Radio Link is set up request process in the prior art;
Fig. 3 is the schematic diagram that Radio Link increases request process in the prior art;
Fig. 4 is the flow chart of the Radio Link foundation/increase method of sub-district of the present invention switching;
Fig. 5 is that floating radio network controller described in Fig. 4 is according to the content in Iur interface wireless link establishment/increase message, the flow chart of foundation/increase Radio Link.
Embodiment
Core of the present invention be when a sub-district when switch the another one sub-district, radio network controller is set up on request message or the wireless link increasing request message at the Radio Link of Iur interface, (RL information) expands to several from one wireless link information, just the wireless link information that receives is constituted a set, in described set, exist in each RL information one sub-district ID number.The described Radio Link RL that need to set up can arrange (arrange such as the district pilots intensity size that measures according to UE etc.) according to certain priority.After floating radio network controller DRNC receives that the Radio Link of service wireless network controller SRNC is set up request message or wireless link increasing request message, carry out the trial of resource allocation according to the order of the RL information that is received.If when in the zone that this DRNC administered idling-resource being arranged, and distribute according to the order of described Radio Link message, promptly carrying out Radio Link in the sub-district sets up, as long as there is the Radio Link of a sub-district to set up successfully, then to SRNC feedback success response message (promptly finally only having set up a Radio Link); SRNC shows by this message, the Radio Link success of setting up in these sub-districts; Otherwise feeding back unsuccessful response message.
The present invention is further illustrated below in conjunction with accompanying drawing.
Please refer to Fig. 4, the flow chart of the Radio Link foundation/increase method of switching for sub-district of the present invention comprises:
Step S10: service wireless network controller obtains the wireless link information in the floating radio network controller control range according to the measurement report of subscriber equipment;
Step S11: service wireless network controller constitutes set with several wireless link informations, sends to floating radio network controller by a piece of news;
Step S12: floating radio network controller is according to the content in Iur interface wireless link establishment/increase message, foundation/increase Radio Link.
In step S10, service wireless network controller is according to the measurement report of subscriber equipment, obtain several purpose Radio Links in the floating radio network controller control range, service wireless network controller constitutes set with several wireless link informations, and notifies floating radio network controller (step (S11) at an Iur interface by a piece of news.
That is to say, when a sub-district when switch the another one sub-district, service wireless network controller is arranged according to priority according to several wireless link informations of reported by user equipment UE, and constitutes set, sends to floating radio network controller (step S11) by a piece of news.Describedly measure district pilots intensity or signal interference ratio is arranged by descending order according to user equipment to report.Floating radio network controller is according to the content in Iur interface wireless link establishment/increase message then, foundation/increase Radio Link promptly selects a wireless links information to carry out Radio Link foundation/increase request (step S12) in the zone that floating radio network controller is administered according to the arrangement size sequence.
Wherein, described step S12, promptly floating radio network controller is according to the content in Iur interface wireless link establishment/increase message, and foundation/increase Radio Link concrete steps comprise (its flow chart such as Fig. 5 institute):
Step M11: floating radio network controller selects the wireless links information in the set to carry out Radio Link foundation/increase request in the zone that floating radio network controller is administered according to the content of several wireless link informations that receive in Iur interface wireless link establishment/increase message;
Step M12: floating radio network controller judges whether the foundation/increase of described Radio Link is successful, if then to service wireless network controller feedback foundation/increase success response message, finish (step M13); Otherwise, execution in step M14:
Step M14: continue to judge whether next wireless links is set up/increased successfully, if success then to service wireless network controller feedback foundation/increase success response message, finishes (step M13); Otherwise, continuing to judge next wireless links, the foundation/increase of all Radio Links all gets nowhere in this set, then to service wireless network controller feedback foundation/increase failure response message (step M15).
The content that described Radio Link is set up the message of request comprises: the set of Radio Link ID, sub-district ID, vertical shift (Frame Offset), special-purpose pulse sequence (Special Burst Scheduling), received signal code power (Primary CCPCH RSCP) transmission format set, TFS Transport Format Set, frequency, uplink scrambling code etc.Be about to an original structure, expand to several structures.
The message structure that wireless network of the present invention is set up request (Radio link Setup Request) sees table 1 for details, the content of the Radio Link message that the black matrix described in the table 1 partly expands for the present invention, and oblique black matrix partly is an extended method of the present invention.That is to say, has only a wireless links information in the message structure of prior art, then expand to several wireless link informations in the message structure of the present invention, that is: the structure of RL information was 1 originally in the prior art, and the structure of the present RL information of the present invention is 1---MaxNumOfRL.
Table 1
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| SRNC-ID | M | RNC-ID 9.2.1.50 | YES | reject | ||
| S-RNTI | M | 9.2.1.53 | YES | reject | ||
| D-RNTI | O | 9.2.1.24 | YES | reject | ||
| (omission) | ||||||
| RL Information | 1---MaxNum OfRL | YES | reject | |||
| >RL ID | M | 9.2.1.49 | - | |||
| >C-ID | M | 9.2.1.6 | - | |||
| >Frame Offset | M | 9.2.1.30 | - | |||
| >Special Burst Scheduling | M | 9.2.3.7D | - | |||
| >Primary CCPCH RSCP | O | 9.2.3.5 | - | |||
| >DL Time Slot ISCP Info | O | 9.2.3.2D | Applicable to 3.84Mcps TDD only | - | ||
| >DL Time Slot ISCP Info LCR | O | 9.2.3.2F | Applicable to 1.28Mcps TDD only | YES | reject | |
| >TSTD Support Indicator | O | 9.2.3.13F | Applicable to 1.28Mcps TDD only | YES | ignore | |
| >UL Synchronisation Parameters LCR | 0..1 | YES | ignore | |||
| >>Uplink Synchronisation Step Size | M | 9.2.3.13J | - | |||
| >>Uplink Synchronisation Frequency | M | 9.2.3.13I | - |
The message content that described Radio Link increases request comprises: Radio Link ID, sub-district ID, vertical shift (Frame Offset) etc.The message structure that Radio Link of the present invention increases request sees table 2 for details, the content of the Radio Link message that the black matrix described in the table 2 partly expands for the present invention, and oblique black matrix partly is an extended method of the present invention.That is to say in the message structure of prior art and have only a wireless links information that then expand to several wireless link informations in the message structure of the present invention, that is, the quantity of RL information is originally 1, is 1---MaxNumOfRL now.
Table 2
| IE/Group Name | Presence | Range | IEType and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| RL Information | 1---Max NumOf RL | YES | reject | |||
| >RL ID | M | 9.2.1.49 | - | |||
| >C-ID | M | 9.2.1.6 | - | |||
| >Frame Offset | M | 9.2.1.30 | - | |||
| >Diversity Control Field | M | 9.2.1.20 | - | |||
| >Primary CCPCH RSCP | O | 9.2.3.5 | - | |||
| >DL Time Slot ISCP Info | O | 9.2.3.2D | Applicable to 3.84Mcps TDD only | - | ||
| >DL Time Slot ISCP Info LCR | O | 9.2.3.2F | Applicable to 1.28Mcps TDD only | YES | reject | |
| >UL Synchronisation Parameters LCR | 0..1 | Mandatory for 1.28Mcps TDD.Not Applicable to 3.84Mcps TDD. | YES | ignore | ||
| >>Uplink Synchronisation Sstep Size | M | 92.3.13J | - | |||
| >>Uplink Synchronisation Frequency | M | 9.2.3.13I | - | |||
| (omission) |
The present invention is also comprising step between step S11 and the step S12: after described floating radio network controller DRNC receives Radio Link foundation/increase request message, select a wireless links information tentatively to judge earlier, determine whether Target cell has idling-resource to distribute.If can distribute, DRNC sends Radio Link foundation/increase request by NBAP (Node B Application Part, Node B applying portion) to the Node B that is administered, and can finally definite Radio Link set up success.
Described step S12 judges whether the foundation/increase of described Radio Link is successful, if success is then set up successful response message or increased success response message, end to the service wireless network controller feedback; Otherwise, continue to judge whether next wireless links is set up/increased successfully, if success then to SRNC feedback foundation/increase success response message, finishes; Otherwise, continuing to judge next wireless links, the foundation/increase of all Radio Links is all failed in this set, then sets up failure response message or increases failure response message to the service wireless network controller feedback.
The described content of setting up response message and increase response message has been expanded the sub-district ID that successfully sets up or successfully increase link respectively in " RL InformationResponse ", and in " RLInformation Response LCR ", also expanded the sub-district ID that successfully sets up or successfully increase link, the structure of concrete foundation and increase response message sees the oblique black matrix part of table 3 and table 4 for details.
Table 3
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| D-RNTI | O | 9.2.1.24 | YES | ignore | ||
| CN PS Domain Identifier | O | 9.2.1.12 | YES | ignore | ||
| CN CS Domain Identifier | O | 9.2.1.11 | YES | ignore | ||
| RL Information Response | 0..1 | Mandatory for 3.84Mcps TDD， not applicable to 1.28Mcps TDD | YES | ignore | ||
| >RL ID | M | 9.2.1.49 | - | |||
| >C_ID | M | |||||
| >URA Information | O | 92.1.70B | - | |||
| >SAI | M | 9.2.1.52 | - | |||
| >Cell GAI | O | 9.2.1.5A | - | |||
| Omit | ||||||
| RL Information Response LCR | 0..1 | Mandatory for 1.28Mcps TDD， not applicable to 3.84Mcps TDD | YES | ignore | ||
| >RL ID | M | 9.2.1.49 | - | |||
| >C_ID | M | 9.2.1.6 | ||||
| >URA Information | M | 9.2.1.70B | - | |||
| >SAI | M | 9.2.1.52 | - | |||
| >Cell GAI | O | 9.2.1.5A | - | |||
| >UTRAN Access Point position | O | 9.2.1.70A | - | |||
| >UL Time Slot ISCP Info LCR | M | 9.2.3.13H | - | |||
| Omit |
Table 4
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| RL Information Response | 0..1 | Mandatory for 3.84Mcps TDD，not applicable to 1.28Mcps TDD | YES | ignore | ||
| >RL ID | M | 9.2.1.49 | - | |||
| >C_ID | M | 9.2.1.6 | ||||
| >URA Information | O | 9.2.1.70B | - | |||
| >SAI | M | 9.2.1.52 | - | |||
| >Cell GAI | O | 9.2.1.5A | - | |||
| >UTRAN Access Point Position | O | 9.2.1.70A | - | |||
| >UL Time Slot ISCP Info | M | 9.2.3.13D | - | |||
| >Minimum Uplink SIR | M | Uplink SIR 9.2.1.69 | - | |||
| >Maximum Uplink SIR | M | Uplink SIR 9.2.1.69 | - | |||
| >Maximum Allowed UL Tx Power | M | 9.2.1.35 | - | |||
| >Maximum DL TX Power | M | DL Power 9.2.1.21A | - | |||
| >Minimum DL TX Power | M | DL Power 9.2.1.21A | - | |||
| >PCCPCH Power | M | 9.2.1.43 | - | |||
| >Timing Advance Applied | M | 9.2.3.12A | - | |||
| >Alpha Value | M | 9.2.3.a | - | |||
| >UL PhysCH SF Variation | M | 9.2.3.13B | - | |||
| >Synchronisation Configuration | M | 9.2.3.7E | - | |||
| >Secondary CCPCH Info TDD | O | 9.23.7B | - | |||
| (omission) | ||||||
| RL Information Response LCR | 0..1 | Mandatory for 128Mcps TDD，not applicable to 3.84Mcps TDD | YES | ignore | ||
| >RL ID | M | 9.2.1.49 | - | |||
| >C_ID | M | 9.2.1.6 | ||||
| >URA Information | M | 9.2.1.70B | - | |||
| >SAI | M | 9.2.1.52 | - | |||
| >Cell GAI | O | 9.2.1.5A | - | |||
| >UTRAN Access Point Position | O | 9.2.1.70A | - | |||
| >UL Time Slot ISCP Info LCR | M | 9.2.3.13H | - | |||
| >Maximum Uplink SIR | M | Uplink SIR 9.2.1.69 | - | |||
| >Minimum Uplink SIR | M | Uplink SIR 9.2.1.69 | - | |||
| >PCCPCH Power | M | 9.2.1.43 | - | |||
| >Maximum Allowed UL Tx Power | M | 9.2.1.35 | - | |||
| >Maximum DL TX Power | M | DL Power 9.2.1.21A | - | |||
| >Minimum DL TX Power | M | DL Power 9.2.1.21A | - | |||
| >Alpha Value | M | 9.2.3.a | - | |||
| >UL PhysCH SF Variation | M | 9.2.3.13B | - | |||
| >Synchronisation Configuration | M | 9.2.3.7E | - | |||
| >Secondary CCPCH Info TDD LCR | O | 9.2.3.7F | - |
The described content of setting up failure response message or increase failure response message has been expanded C_ID in " Unsuccessful RLInformation Response ", and the quantity of " Unsuccessful RL InformationResponse " is originally 1, is 1---MaxNumOfRL now.The described structure of setting up failure response message or increase failure response message sees table 5 and table 6 for details, and wherein black matrix partly is the expansion content of described response message, and tiltedly black matrix partly is an extended method.
Table 5
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| CHOICE Cause Level | M | YES | ignore | |||
| >General | - | |||||
| >>Cause | M | 9.2.1.5 | - | |||
| >RL Specific | - | |||||
| >>Unsuccessful RL Information Response | 1--MaxN umOfRL | YES | ignore | |||
| >>>RL ID | M | 9.2.1.49 | - | |||
| >>>C_ID | M | 9.2.1.6 | ||||
| >>>Cause | M | 9.2.1.5 | - | |||
| Criticality Diagnostics | O | 92.1.13 | YES | ignore |
Table 6
| IE/Group Name | Presence | Range | IE Type and Reference | Semantics Description | Criticality | Assigned Criticality |
| Message Type | M | 9.2.1.40 | YES | reject | ||
| Transaction ID | M | 9.2.1.59 | - | |||
| CHOICE Cause Level | M | YES | ignore | |||
| >General | - | |||||
| >>Cause | M | 9.2.1.5 | - | |||
| >RL Specific | - | |||||
| >>Unsuccessful RL Information Response | 1--MaxNu mOfRL | YES | ignore | |||
| >>>RL ID | M | 9.2.1.49 | ||||
| >>>C_ID | M | 9.2.1.6 | ||||
| >>>Cause | M | 9.2.1.5 | - | |||
| Criticality Diagnostics | O | 9.2.1.13 | YES | ignore |
The present invention also comprises if after a wireless links is set up failure, judge and whether also need set up/increase Radio Link in the described set, if then re-execute step S11.
For the present invention further is described, also please refer to the application example that Radio Link was set up the process that increases with Radio Link.
Described Radio Link is set up process: the present invention also is that example describes with Fig. 1.UE begins at sub-district A, and SRNC is RNC1, when UE enters sub-district A, and B, during the C overlapping region, RNC1 judges and set up Radio Link on the C by the Target cell B of Iur interface in the RNC2 administration, and the Radio Link in these two sub-districts all is an acceptable.RNC1 carries out priority arrangement to this two wireless links information according to certain rule, for example: arrange by the pilot frequency intensity of sub-district or the size of signal interference ratio, and increase in the message notice RNC2 (DRNC) at the Radio Link of an Iur interface.DRNC selects a wireless links information to carry out Radio Link in the zone that RNC2 administered according to sequencing and sets up request according to message content; As long as when the foundation success of a wireless links is arranged, then set up successful response message, and comprise the sub-district ID of link establishment success in this success response message to the service wireless network controller feedback; Otherwise, when wireless link informations all in this set carries out the Radio Link request of setting up and all fails in the zone that DRNC administered, then set up failure response message, and comprise Radio Link ID number of all link establishments failures, sub-district ID number and failure cause in this failure response message to service wireless network controller feedback.The Radio Link of the present invention request of setting up has solved in the message structure that Radio Link is set up in the prior art, can only select a sub-district to carry out Radio Link earlier sets up, if because occupation condition causes unsuccessful, have to reselect another sub-district and carry out Radio Link and set up, this carrying out twice or repeatedly Radio Link is set up reciprocal process postpones to increase thereby caused, increase the signaling burden, in this reciprocal process, owing to wireless reason, UE may call drop.
It is similar that described Radio Link increase process and Radio Link are set up process, the present invention also is example with Fig. 3, its implementation procedure is: suppose that sub-district A, B, C belong to same Node B control, when UE has entered the control sub-district A of DRNC, the reorientation of Iur interface does not begin between wireless network control, UE is subjected to the control of SRNC, and promptly SRNC obtains the information that UE needs tangential sub-district B or C from measurement report or other triggering sources of UE.And when switching, need to increase the Radio Link request according to the sub-district of agreement in same base station, selecting a wireless links information to carry out Radio Link in the zone that DRNC administered according to sequencing then increases request; It is identical that following implementation procedure and Radio Link are set up process, here do not giving unnecessary details.
The above only 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 improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of Radio Link foundation/increase method of sub-district switching, service wireless network controller is characterized in that by Iur interface foundation/increase Radio Link in the zone of floating radio network controller administration when described method was applied to the sub-district switching, comprising:
A, service wireless network controller obtain the wireless link information in the floating radio network controller control range according to the measurement report of subscriber equipment;
B, service wireless network controller constitute set with several wireless link informations, send to floating radio network controller by a piece of news;
C, floating radio network controller are according to the content in Iur interface wireless link establishment/increase message, foundation/increase Radio Link.
2, the Radio Link foundation/increase method of switching according to the described sub-district of claim 1 is characterized in that described step C specifically comprises:
C1, floating radio network controller be according to the content of several wireless link informations that receive in Iur interface wireless link establishment/increase message, selects a wireless links information in the set to carry out Radio Link foundations/increase in the zone that floating radio network controller is administered and asks;
C2, floating radio network controller judge whether the foundation/increase of described Radio Link is successful, if then to service wireless network controller feedback foundation/increase success response message, finish; Otherwise, execution in step C3;
C3, continuation judge whether next wireless links is set up/increased successfully, if success then to service wireless network controller feedback foundation/increase success response message, finishes; Otherwise, continuing to judge next wireless links, the foundation/increase of all Radio Links all gets nowhere in this set, then to service wireless network controller feedback foundation/increase failure response message.
3, the Radio Link foundation/increase method of switching according to the described sub-district of claim 2 is characterized in that, described service wireless network controller logarithm wireless links information constitutes set according to priority.
4, the Radio Link foundation/increase method of switching according to the described sub-district of claim 3 is characterized in that, described priority is the size that user equipment to report is measured district pilots intensity.
5, the Radio Link foundation/increase method of switching according to the described sub-district of claim 4 is characterized in that, described priority is the size that user equipment to report is measured the sub-district signal interference ratio.
6, the Radio Link foundation/increase method of switching according to claim 4 or 5 described sub-districts, it is characterized in that, in the zone that floating radio network controller is administered, carry out Radio Link foundation/increase request according to district pilots intensity or signal interference ratio by descending selective sequential one wireless links information among the described step C.
7, the Radio Link foundation/increase method of switching according to the described sub-district of claim 2, it is characterized in that, also comprising step between step C1 and the step C2: after described floating radio network controller receives that Radio Link is set up request, judge in institute's Target cell whether idling-resource is arranged, if have, then carry out the distribution of resource according to the priority of described Radio Link message.
8, according to the Radio Link foundation/increase method of claim 2 or 7 described sub-districts switchings, it is characterized in that, carry several wireless link informations in the message of described Radio Link foundation/increase request, carry in every wireless links information a sub-district ID number.
9, the Radio Link foundation/increase method switched of described according to Claim 8 sub-district is characterized in that, comprises the successful Radio Link ID of Radio Link foundation/increase number, sub-district ID number in the success response of foundation/increase described in the step C3 message.
10, the Radio Link foundation/increase method of switching according to the described sub-district of claim 2, it is characterized in that, carry wireless link informations all in the Radio Link request message in the failure response of foundation/increase described in the step C3 message and Radio Link ID number of carrying, sub-district ID number and failure cause.
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| CNB2005100720126A CN100490579C (en) | 2005-05-24 | 2005-05-24 | Set-up/adding method of radio link of cell switchover |
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| CNB2005100720126A CN100490579C (en) | 2005-05-24 | 2005-05-24 | Set-up/adding method of radio link of cell switchover |
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| WO2008113232A1 (en) * | 2007-03-21 | 2008-09-25 | Zte Corporation | Method for reporting that a cell does not support an uplink high-order modulation and apparatus thereof |
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| CN101212807B (en) * | 2006-12-30 | 2010-08-18 | 中兴通讯股份有限公司 | Method for hard switching in roaming wireless network |
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| CN101188799B (en) * | 2007-06-01 | 2010-12-01 | 中兴通讯股份有限公司 | Method for the network controller to report circulation cycle capability of maximum discontinuous transmission of the cell |
| WO2008154880A1 (en) * | 2007-06-21 | 2008-12-24 | Zte Corporation | Method for implementing uplink macro diversity of wcdma system |
| CN101350650B (en) * | 2007-07-19 | 2013-03-20 | 中兴通讯股份有限公司 | Method for compositely using multi-technology in high speed physical down sharing channel |
| CN101742553B (en) * | 2008-11-04 | 2012-08-29 | 上海华为技术有限公司 | Processing method and device during service cell switching |
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