CN101801044A - Intersystem cell switching method, system, user equipment and wireless network controller - Google Patents
Intersystem cell switching method, system, user equipment and wireless network controller Download PDFInfo
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- CN101801044A CN101801044A CN200910078040A CN200910078040A CN101801044A CN 101801044 A CN101801044 A CN 101801044A CN 200910078040 A CN200910078040 A CN 200910078040A CN 200910078040 A CN200910078040 A CN 200910078040A CN 101801044 A CN101801044 A CN 101801044A
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Abstract
The invention discloses an intersystem cell switching method which comprises the following steps: measuring a different system cell according to a different system cell measuring requirement in a system message from a cell broadcast and reporting an obtained measuring result of the different system cell to a radio network controller (RNC) through a radio resource control (RRC) connection establishing request by using user equipment (UE); and resolving the measuring result of the different system cell from the RRC connection establishing request and initiating intersystem cell switching according to the measuring result of the different system cell after the establishment of RRC connection is completed by using the RNC. Moreover, the invention also discloses an intersystem cell switching system, the UE and the RNC. The technical scheme disclosed by the invention can reduce access delay of the UE.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to method and system and subscriber equipment (UE) and radio network controller (RNC) that a kind of intersystem cell switches.
Background technology
At the TD-SCDMA system networking initial stage, carry out reasons such as data service processing owing to covering not enough and making full use of 3G network, for simple AMR (speech business) user, usually it is directly switch into the 2G system, promptly to AMR user's portable terminal (also claiming user equipment (UE)), connect (Radio Resource Control[RRC] Connection) at Radio Link and set up and carry out switching between system after finishing.
Switch in order to finish between above-mentioned system, need UE effectively to report measurement result to different system adjacent area, so that network side carries out choose reasonable according to the measurement result that UE reports to different system adjacent area, guarantee that UE carries out switching between efficient system, and guarantee the subscriber access service quality of UE.
Fig. 1 is the method flow schematic diagram that intersystem cell switches in the prior art.As shown in Figure 1, this flow process comprises the steps:
Step 101, UE sends RRC to RNC and connects the request of foundation.
Step 102, RNC connects the request of foundation according to this RRC, and notice UE carries out the RRC connection and sets up.
Step 103, RRC connects after the foundation, and UE notice RNC has finished RRC and has connected foundation.
Step 104, RNC is according to neighbor cell configuration situation between the system of current service cell, and the special measurement of adjacent area is controlled (Measurement Control) between the UE sending system.
Step 105, UE finishes the measurement of adjacent area between system, nearby region measurement result between the RNC reporting system according to this measurement control.
Step 106, the core net of network side (CN) are carried out RAB (RAB) to RNC and are assigned.
Step 107, RNC returns RAB to CN and assigns response.
Step 108 after the measurement result of adjacent area is carried out the choose reasonable of different system adjacent area between the system that RNC reports according to UE in the step 105, is initiated the reconfiguration request that is used for switching between system to CN, promptly initiates intersystem cell and switches.
Step 109, CN switches between initiation system of different system (i.e. 2G system among the figure).
As seen, in the prior art, not to connect at the RRC of UE directly to carry out switching between system after foundation is finished, but after RRC connection foundation is finished, network side is according to neighbor cell configuration situation between the system of current service cell, nearby region measurement control between sending system, so that UE measures nearby region measurement result between the control reporting system according to this, afterwards after network side is finished the appointment process of RAB, the measurement result that network side reports according to UE is again selected between suitable system the adjacent area to finish between system to switch, UE is switched to the 2G system.As seen, implementation of the prior art can cause the access delay of UE bigger.
Summary of the invention
In view of this, the method that provides a kind of intersystem cell to switch on the one hand among the present invention, the system and UE and the RNC that provide a kind of intersystem cell to switch on the other hand are so that reduce the access delay of UE.
The method that intersystem cell provided by the present invention switches comprises:
UE measures different system cell according to the different system cell measurement requirement in the system message of Cell Broadcast CB, the different system cell measurement result that obtains is connected the request of foundation by RRC report RNC;
RNC sets up the request from described RRC connection and parses described different system cell measurement result, after RRC connection foundation is finished, switches according to described different system cell measurement result initiation intersystem cell.
Preferably, the described different system cell measurement result that will obtain reports RNC by the RRC request of connect setting up and comprises:
Connect the cell that increases corresponding different system cell measurement result in the corresponding cell of the request of foundation at RRC;
Set up the cell information that the different system cell measurement result of described correspondence is set in the request message by connecting, corresponding different system cell measurement result is reported RNC at the RRC that sends to RNC.
Preferably, the cell of the different system cell measurement result of described correspondence comprises: the identify label ID of intersystem cell tabulation and corresponding described intersystem cell, perhaps, the ID of intersystem cell number and corresponding described intersystem cell.
Preferably, described intersystem cell is: press the intersystem cell after the good and bad degree of estate performance sorts.
The system that intersystem cell provided by the present invention switches comprises:
UE is used for the different system cell measurement requirement according to the system message of Cell Broadcast CB, and different system cell is measured, and the different system cell measurement result that obtains is connected the request of foundation by RRC report RNC;
RNC is used for connecting the request of foundation from described RRC and parses described different system cell measurement result, after RRC connection foundation is finished, initiates intersystem cell according to described different system cell measurement result and switches.
UE provided by the present invention comprises:
Measuring unit is used for the different system cell measurement requirement according to the system message of Cell Broadcast CB, and different system cell is measured;
Report processing unit, the different system cell measurement result that is used for that described measuring unit is obtained connects the request of foundation by RRC and reports RNC.
Preferably, the described processing unit that reports comprises:
Cell is provided with the unit, is used for connecting the cell information that request message is provided with corresponding different system cell measurement result of setting up at the RRC that sends to RNC;
The information reporting unit, be used for will be provided with the RRC of cell information of described different system cell measurement result connect and set up request message and send to RNC.
RNC provided by the present invention comprises:
Resolution unit is used for connecting the request of foundation from described RRC and parses described different system cell measurement result;
Switch and initiate the unit, be used for after RRC connection foundation is finished, the described different system cell measurement result initiation intersystem cell that obtains according to resolution unit switches.
From such scheme as can be seen, among the present invention by making UE according to the different system cell measurement requirement in the system message of Cell Broadcast CB, different system cell is measured, the different system cell measurement result that obtains is connected the request of foundation by RRC report RNC, make RNC after RRC connection foundation is finished, can initiate intersystem cell according to the measurement result that connects this different system cell that parses the request of foundation from RRC switches at once, thereby measurement control to be sent such as omitted and waited for time of measurement report, reduced the access delay of UE.
Description of drawings
Fig. 1 is the method flow schematic diagram that intersystem cell switches in the prior art;
Fig. 2 is the method flow schematic diagram that intersystem cell switches in the embodiment of the invention;
Fig. 3 is the structural representation of the system that intersystem cell switches in the embodiment of the invention;
Fig. 4 is the internal structure schematic diagram of UE in the embodiment of the invention;
Fig. 5 is the internal structure schematic diagram of RNC in the embodiment of the invention.
Embodiment
In the embodiment of the invention in order to reduce the access delay of UE, consideration sends RRC at UE to RNC and connects when setting up request, promptly connect the measurement result of carrying in the request of foundation to different system cell at this RRC, so that RNC is after RRC connection foundation is finished, can initiate intersystem cell according to the measurement result that connects this different system cell that parses the request of foundation from RRC switches at once, thereby measurement control to be sent such as omitted and waited for time of measurement report, reduced the access delay of UE.For this reason, UE can according to the different system cell measurement requirement in the system message of Cell Broadcast CB, measure different system cell before sending RRC connection foundation request.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
Fig. 2 is the method flow schematic diagram that intersystem cell switches in the embodiment of the invention.As shown in Figure 2, this flow process comprises the steps:
Step 201, UE measures different system cell according to the different system cell measurement requirement in the system message of Cell Broadcast CB.
In the prior art, can comprise the measurement requirement of different system cell in the system message of Cell Broadcast CB, so can after receiving this system message, just open measurement in the present embodiment different system cell.
Step 202, UE sends the RRC that carries different system cell measurement result to RNC and connects the request of foundation.
In this step, can at first expand the 10.3.7.45 trifle among the existing protocol 3GPP 25.331780, connect the cell that increases corresponding different system cell measurement result in the corresponding cell of the request of foundation at RRC, afterwards when RNC sends RRC connection foundation request, set up the cell information that the different system cell measurement result of described correspondence is set in the request message in this RRC connection, thereby corresponding different system cell measurement result is reported RNC.
Wherein, based on different realizations, the number of the cell of corresponding different system cell measurement result and content can be different.For example, report RNC if only need to satisfy the sub-district of switching requirement, the cell of then corresponding different system cell measurement result can only comprise: the ID (identify label) of intersystem cell tabulation (or intersystem cell number) and corresponding described intersystem cell.Suppose, with the tabulation of " InteF-Rat cell list " expression intersystem cell, with the ID of the corresponding described intersystem cell of " Inter-Rat cell ID " expression.Then can obtain cell parameters tabulation as shown in table 1 below:
| ??Information??Element/group?name | ??Need | ??Multi | ??Type?and??reference | ??Semantics??description | ??Version |
| ??Measurement?result?for?current??cell | ??MP | ||||
| ??>CHOICE?mode | ??MP | ||||
| ??>>TDD | |||||
| ??>>>CHOICE?TDD?option | ??MP | ??REL-4 | |||
| ??>>>>1.28?Mcps?TDD | ??REL-4 | ||||
| ??>>>>>Timeslot?List | ??OP | ??1?to?6 | ??REL-4 | ||
| ??...... | ??...... | ??...... | ??...... | ??...... | ??...... |
| ??>Inter-frequency?cell?list | ??MP | ??1?to??<maxFreq??> | ??REL-6 | ||
| ??>>Inter-frequency?cell?id | ??MP | ??Integer(O..??<maxCellMe??as>-1) | ??REL-6 |
| ??Information??Element/group?name | ??Need | ??Multi | ??Type?and??reference | ??Semantics??description | ??Version |
| ??>Inter-Rat?cell?list | ??MP | ??1?to??<maxCell> | ??REL-6 | ||
| ??>>Inter-Rat?cell?id | ??MP | ??Integer(O..??<maxCellMe??as>-1) | ??REL-6 |
Table 1
Wherein, the intersystem cell that reports RNC can be by the intersystem cell after the good and bad degree ordering of estate performance.
Certainly, can existing protocol not expanded in this step yet, but use the measurement result that some cell in the existing protocol is represented different system cell, enumerate no longer one by one herein.
Step 203, RNC therefrom parses described different system cell measurement result after receiving this RRC connection foundation request, and asks according to this RRC connection foundation, notifies UE to carry out RRC and connects foundation.
Step 204, RRC connects after the foundation, and UE notice RNC has finished RRC and has connected foundation.
Step 205 after the measurement result of adjacent area is carried out the choose reasonable of different system adjacent area between the system that RNC reports according to UE in the step 202, is initiated the reconfiguration request that is used for switching between system to CN, promptly initiates intersystem cell and switches.
Step 206, CN switches between initiation system of different system (i.e. 2G system among the figure).
As seen, in the above-mentioned flow process, measurement control to be sent such as omitted and waited for time of measurement report, reduced the access delay of UE.
More than method that the intersystem cell in the embodiment of the invention is switched describe in detail, the system of again intersystem cell in the embodiment of the invention being switched is described in detail below.
Fig. 3 is the structural representation of the system of the intersystem cell switching in the embodiment of the invention.As shown in Figure 3, this system comprises: UE and RNC.
Wherein, UE is used for the different system cell measurement requirement according to the system message of Cell Broadcast CB, and different system cell is measured, and the different system cell measurement result that obtains is connected the request of foundation by RRC report RNC.
RNC is used for connecting the request of foundation from described RRC and parses described different system cell measurement result, after RRC connection foundation is finished, initiates intersystem cell according to described different system cell measurement result and switches.
During specific implementation, the internal structure of UE can have multiple specific implementation form, and Fig. 4 shows wherein a kind of, comprising: measuring unit and report processing unit.
Wherein, measuring unit is used for the different system cell measurement requirement according to the system message of Cell Broadcast CB, and different system cell is measured.
The different system cell measurement result that reports processing unit to be used for that described measuring unit is obtained connects the request of foundation by RRC and reports RNC.
Wherein, when reporting the processing unit specific implementation, can comprise as shown in Figure 4 again: cell is provided with unit and information reporting unit.
Cell is provided with the unit and is used for connecting the cell information that request message is provided with corresponding different system cell measurement result of setting up at the RRC that sends to RNC.
The information reporting unit be used for will be provided with the RRC of cell information of described different system cell measurement result connect and set up request message and send to RNC.
During specific implementation, the internal structure of RNC can have multiple specific implementation form, and Fig. 5 shows wherein a kind of, comprising: the unit is initiated in resolution unit and switching.
Wherein, resolution unit is used for parsing described different system cell measurement result from the described RRC connection request of setting up.
Switch the initiation unit and be used for after RRC connection foundation is finished, the described different system cell measurement result initiation intersystem cell that obtains according to resolution unit switches.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is preferred embodiment of the present invention; be not to be used to limit protection scope of the present invention; within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method switched of an intersystem cell is characterized in that this method comprises:
User equipment (UE) is measured different system cell according to the different system cell measurement requirement in the system message of Cell Broadcast CB, the different system cell measurement result that obtains is connected the request of foundation by radio resource control RRC report radio network controller (RNC);
RNC sets up the request from described RRC connection and parses described different system cell measurement result, after RRC connection foundation is finished, switches according to described different system cell measurement result initiation intersystem cell.
2. the method for claim 1 is characterized in that, the described different system cell measurement result that will obtain reports RNC by the RRC connection request of setting up and comprises:
Connect the cell that increases corresponding different system cell measurement result in the corresponding cell of the request of foundation at RRC;
Set up the cell information that the different system cell measurement result of described correspondence is set in the request message by connecting, corresponding different system cell measurement result is reported RNC at the RRC that sends to RNC.
3. method as claimed in claim 2, it is characterized in that, the cell of the different system cell measurement result of described correspondence comprises: the identify label ID of intersystem cell tabulation and corresponding described intersystem cell, perhaps, the ID of intersystem cell number and corresponding described intersystem cell.
4. method as claimed in claim 3 is characterized in that, described intersystem cell is: press the intersystem cell after the good and bad degree of estate performance sorts.
5. the system switched of an intersystem cell is characterized in that this system comprises:
User equipment (UE), be used for different system cell measurement requirement according to the system message of Cell Broadcast CB, different system cell is measured, the different system cell measurement result that obtains is connected the request of foundation by radio resource control RRC report radio network controller (RNC);
RNC is used for connecting the request of foundation from described RRC and parses described different system cell measurement result, after RRC connection foundation is finished, initiates intersystem cell according to described different system cell measurement result and switches.
6. a user equipment (UE) is characterized in that, this UE comprises:
Measuring unit is used for the different system cell measurement requirement according to the system message of Cell Broadcast CB, and different system cell is measured;
Report processing unit, the different system cell measurement result that is used for that described measuring unit is obtained connects the request of foundation by RRC and reports RNC.
7. UE as claimed in claim 6 is characterized in that, the described processing unit that reports comprises:
Cell is provided with the unit, is used for connecting the cell information that request message is provided with corresponding different system cell measurement result of setting up at the RRC that sends to RNC;
The information reporting unit, be used for will be provided with the RRC of cell information of described different system cell measurement result connect and set up request message and send to RNC.
8. a radio network controller (RNC) is characterized in that, this RNC comprises:
Resolution unit is used for connecting the request of foundation from described RRC and parses described different system cell measurement result;
Switch and initiate the unit, be used for after RRC connection foundation is finished, the described different system cell measurement result initiation intersystem cell that obtains according to resolution unit switches.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293026A (en) * | 2011-04-28 | 2011-12-21 | 华为技术有限公司 | Method, device and system for mobility management |
| WO2012058969A1 (en) * | 2010-11-04 | 2012-05-10 | 中兴通讯股份有限公司 | Method and device for controlling radio resources |
| CN103067864A (en) * | 2011-10-18 | 2013-04-24 | 鼎桥通信技术有限公司 | Switching method used for group monitoring user and terminal thereof |
| WO2013159628A1 (en) * | 2012-04-27 | 2013-10-31 | 华为技术有限公司 | Handover method and device |
| CN104270788A (en) * | 2014-09-28 | 2015-01-07 | 大唐移动通信设备有限公司 | Inter-system switching method and inter-system switching equipment |
| WO2016183713A1 (en) * | 2015-05-15 | 2016-11-24 | 华为技术有限公司 | Method for establishing connection with radio resource, user equipment and base station |
| WO2019028886A1 (en) * | 2017-08-11 | 2019-02-14 | 华为技术有限公司 | Method and apparatus for transmitting and receiving test reports |
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2009
- 2009-02-10 CN CN200910078040A patent/CN101801044A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012058969A1 (en) * | 2010-11-04 | 2012-05-10 | 中兴通讯股份有限公司 | Method and device for controlling radio resources |
| CN102469551A (en) * | 2010-11-04 | 2012-05-23 | 中兴通讯股份有限公司 | Radio resource control (RRC) method and apparatus thereof |
| CN102293026A (en) * | 2011-04-28 | 2011-12-21 | 华为技术有限公司 | Method, device and system for mobility management |
| CN102293026B (en) * | 2011-04-28 | 2013-11-06 | 华为技术有限公司 | Method, device and system for mobility management |
| CN103067864A (en) * | 2011-10-18 | 2013-04-24 | 鼎桥通信技术有限公司 | Switching method used for group monitoring user and terminal thereof |
| CN103067864B (en) * | 2011-10-18 | 2015-12-16 | 鼎桥通信技术有限公司 | A kind of changing method for group's monitoring users and terminal |
| WO2013159628A1 (en) * | 2012-04-27 | 2013-10-31 | 华为技术有限公司 | Handover method and device |
| CN104270788A (en) * | 2014-09-28 | 2015-01-07 | 大唐移动通信设备有限公司 | Inter-system switching method and inter-system switching equipment |
| CN104270788B (en) * | 2014-09-28 | 2018-04-17 | 大唐移动通信设备有限公司 | A kind of method and apparatus of different system switching |
| WO2016183713A1 (en) * | 2015-05-15 | 2016-11-24 | 华为技术有限公司 | Method for establishing connection with radio resource, user equipment and base station |
| WO2019028886A1 (en) * | 2017-08-11 | 2019-02-14 | 华为技术有限公司 | Method and apparatus for transmitting and receiving test reports |
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Application publication date: 20100811 |