CN100382635C - Method for establishing multiple carrier frequency samll area - Google Patents
Method for establishing multiple carrier frequency samll area Download PDFInfo
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- CN100382635C CN100382635C CNB200510008534XA CN200510008534A CN100382635C CN 100382635 C CN100382635 C CN 100382635C CN B200510008534X A CNB200510008534X A CN B200510008534XA CN 200510008534 A CN200510008534 A CN 200510008534A CN 100382635 C CN100382635 C CN 100382635C
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Abstract
The present invention discloses a method for establishing multiple carrier frequency cells. The present invention comprises steps: A. an RNC transmits a cell establishing request message to a Node B to make a request for the establishment of a multiple carrier frequency cell, wherein the cell establishing request message carries the information of a main carrier frequency and the information of multiple assistant carrier frequencies; B. the Node B establishes the multiple carrier frequency cell according to the cell establishing request message; when the main carrier frequency fails in the establishment, a cell establishing failure message is transmitted to the RNC, and an end comes; when the main carrier frequency succeeds in the establishment, and the assistant carrier frequencies fail in the establishment, the RNC is notified, and then a step C is executed; when the main carrier frequency and all the assistant carrier frequencies succeed in the establishment, a cell establishing response message is transmitted to the RNC, and then a step D is executed; C. according to the received information of the carrier frequencies with failed establishment, the RNC modifies records for the states of own radio resources; D. the RNC initiates a subsequent establishing process. The method can be used for establishing TD-SCDMA systems in multiple carrier frequency cells.
Description
Technical field
The present invention relates to the method for building up of time division duplex-S-CDMA (TD-SCDMA) system multi-carrier frequency cell.
Background technology
After overloading notion introducing TD-SCDMA system frequently, each multi-carrier frequency cell in the system can comprise the assistant carrier frequency of a main carrier frequency and right quantity, thus, can improve the capacity of TD-SCDMA system greatly, to satisfy the demand of ever-increasing number of users to power system capacity.But present TD-SCDMA agreement does not provide regulation to the method for building up of multi-carrier frequency cell.
The process of setting up of existing single carrier cell may further comprise the steps as shown in Figure 1:
Wherein, the carrier frequency frequency point information that in Cell Setup Request message, comprises the single carrier cell that needs Node B foundation;
Step 104, Node B send the sub-district and set up response (Cell Setup Response) message to RNC, and the described carrier frequency of notice RNC is set up successfully, and execution in step 105 then;
So far, finish the process of setting up of described single carrier cell.
From above-mentioned flow process as can be seen, if send to the assistant carrier frequency information that increases right quantity in the Cell Setup Request message of Node B at above-mentioned RNC, the TD-SCDMA system also can set up multi-carrier frequency cell with reference to above-mentioned steps 101 to the process of step 105.But, setting up in the process of multi-carrier frequency cell, main carrier frequency may occur and set up successfully, and one or more assistant carrier frequency is set up failure, perhaps main carrier frequency is set up failure, and assistant carrier frequency is set up the multiple situation that successfully waits.Therefore, for the Radio Resource state consistency that guarantees that Node B and RNC safeguard, then the setting up in the process of sub-district, Node B must set up the information notice RNC of failure with above-mentioned main carrier frequency or assistant carrier frequency.But, because existing C ell Setup Failure message is only applicable to indicate the carrier frequency of single carrier cell to set up the situation of failure, promptly only can indicate the reason of setting up failure scenarios and failure thereof of a carrier frequency, therefore, Node B can't indicate main carrier frequency in the RNC multi-carrier frequency cell or a plurality of assistant carrier frequency to set up the situation of failure by existing C ell Setup Failure message simultaneously.
Specifically, setting up in the process of multi-carrier frequency cell, if main carrier frequency and all assistant carrier frequencies are all set up success, then this multi-carrier frequency cell is set up successfully, at this moment, Node B can be by sending existing C ellSetup Response message to RNC, and this multi-carrier frequency cell of notice RNC is set up successfully, then, RNC carries out the follow-up process of setting up.And if main carrier frequency is set up failure, this multi-carrier frequency cell cisco unity malfunction then, therefore, can think that this multi-carrier frequency cell sets up failure, at this moment, Node B can set up failure by sending this multi-carrier frequency cell of existing C ellSetup Failure message informing RNC, and after this, RNC can initiate to set up multi-carrier frequency cell again.Yet, set up under the situation that successfully still one or more assistant carrier frequency foundation is failed at main carrier frequency, this multi-carrier frequency cell still can operate as normal, but, because existing C ell Setup Failure message can not comprise the situation that a plurality of carrier frequency are set up failure simultaneously, therefore, if Node B is still by existing C ell Setup Failure message informing RNC, then RNC can think that whole multi-carrier frequency cell sets up failure, and promptly the main carrier frequency of this multi-carrier frequency cell is set up failure, and this obviously is incorrect; And if Node B does not send Cell Setup Failure message, and send existing C ell Setup Response message to RNC, RNC can think that then this multi-carrier frequency cell sets up successfully, promptly the main carrier frequency of this multi-carrier frequency cell and assistant carrier frequency are all set up success, like this, the cell radio resource situation and the Node B that cause RNC to safeguard is inconsistent, finally cause the RNC resource allocation to make mistakes, cause call loss.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the method for building up of a kind of TD-SCDMA system multi-carrier frequency cell, can in the TD-SCDMA system, set up multi-carrier frequency cell, the capacity of increase system, make Node B set up successfully and one or more assistant carrier frequency is set up under the situation of failure simultaneously at main carrier frequency, can in time assistant carrier frequency be set up the information notice RNC of failure, avoid after multi-carrier frequency cell is set up, the inconsistent situation of Radio Resource situation that RNC and Node B are safeguarded occurring.
The method for building up of multi-carrier frequency cell of the present invention may further comprise the steps:
A, radio network controller send the sub-district that carries a main carrier frequency information and one or more assistant carrier frequency information and set up request message to Node B, and request Node B sets up a multi-carrier frequency cell;
B, Node B set up described multi-carrier frequency cell according to main carrier frequency and assistant carrier frequency information that the reception sub-district is set up in the request message; Setting up in the process of described multi-carrier frequency cell,
If main carrier frequency is set up failure, then Node B sends the sub-district and sets up failed message to radio network controller, then process ends;
Successfully have one or more assistant carrier frequency to set up failure if main carrier frequency is set up, then Node B notice radio network controller has one or more assistant carrier frequency to set up failure, execution in step C then;
If main carrier frequency and all assistant carrier frequencies are all set up success, then Node B sends the sub-district and sets up response message to radio network controller, then execution in step D;
C, radio network controller revise self radio resource status record, make it the Radio Resource state consistency safeguarded with Node B, then execution in step D;
D, radio network controller are initiated the process of setting up of Common transport channel, TD-SCDMA system information renewal process, and initiate Node B applying portion public-measurement process as required.
Described one or more assistant carrier frequency information of steps A are included in the sub-district and set up in the assistant carrier frequency frequency tabulation in the request message.
The described notice of step B is: Node B transmission is carried the sub-district of assistant carrier frequency foundation failure cell and is set up failed message to radio network controller, is included in this multi-carrier frequency cell and sets up the assistant carrier frequency frequency tabulation that foundation is failed in the process in described assistant carrier frequency foundation failure cell.
Among the described step B, when main carrier frequency was set up failure, the sub-district that Node B sends to radio network controller was set up and is only comprised main carrier frequency in the failed message and set up failure information.
The described notice of step B is: Node B sends the resource status Indication message to radio network controller, is carried at this multi-carrier frequency cell and sets up the assistant carrier frequency frequency tabulation of setting up failure in the process in this resource status Indication message.
Described step B further comprised before Node B notice radio network controller has one or more assistant carrier frequency foundation failure: Node B sends the sub-district and sets up response message to radio network controller, and the current main carrier frequency of notice radio network controller is set up successfully.
The described radio network controller of step C is revised the self radio resource status and is recorded as: radio network controller is set up failure information deletion in self radio resource status record according to assistant carrier frequency and is set up the assistant carrier frequency frequency point information of failure.
This shows, use the process of setting up that multi-carrier frequency cell method for building up of the present invention has made full use of existing single carrier cell,, finish the foundation of multi-carrier frequency cell in that existing TD-SCDMA agreement is changed under the less situation.
Method of the present invention can also be set up successfully and one or more assistant carrier frequency is set up under the situation of failure at main carrier frequency, expand existing sub-district and set up failed message, perhaps utilize the existing resources state indication message in time assistant carrier frequency to be set up the information notice RNC of failure, the Radio Resource situation of RNC and Node B is consistent, avoids call loss.
Description of drawings
Fig. 1 sets up the flow chart of process for existing single carrier cell;
Fig. 2 sets up the flow chart of process for the embodiment of the invention 1 described multi-carrier frequency cell;
Fig. 3 sets up the flow chart of process for the embodiment of the invention 2 described multi-carrier frequency cells.
Embodiment
For the purpose, technical scheme and the advantage that make invention is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
In order in the TD-SCDMA system, to set up multi-carrier frequency cell, and set up under the situation that one or more assistant carrier frequency foundation failure is successfully arranged at main carrier frequency, guarantee that Node B can in time set up assistant carrier frequency the information notice RNC of failure, method of the present invention is improved existing single carrier cell method for building up.
Embodiment 1:
This embodiment expands the Cell Setup Request message that RNC sends to Node B, increase the tabulation that comprises one or more assistant carrier frequency frequency therein, Node B just sets up described multi-carrier frequency cell according to main carrier frequency information that comprises in the expansion Cell Setup Request message that receives and the tabulation of assistant carrier frequency frequency.
In addition, this embodiment also expands the Cell Setup Failure message that Node B sends to RNC, in this message, increase by one and comprise tabulation of setting up the assistant carrier frequency frequency of failing and the cell that assistant carrier frequency is set up failure cause, be called assistant carrier frequency and set up the failure cell.Like this, RNC just can be informed in multi-carrier frequency cell according to the assistant carrier frequency tabulation of the foundation of the assistant carrier frequency in reception Cell Setup Failure message failure cell and set up the assistant carrier frequency frequency of setting up failure in the process, and revises the self radio resource record according to frequencies of these foundation failures.
The described method of present embodiment is only all set up under the case of successful at main carrier frequency and all assistant carrier frequencies, Node B just sends Cell Setup Response message to RNC, and in other cases, Node B all sends Cell Setup Failure message to RNC, the situation of setting up of notice RNC main carrier frequency and assistant carrier frequency.
Fig. 2 has shown according to embodiment 1 described multi-carrier frequency cell and has set up process.As shown in Figure 2, method of the present invention may further comprise the steps:
Step 201, RNC send the Cell Setup Request message of the tabulation that comprises the main carrier frequency frequency point information that needs Node B foundation and comprise right quantity assistant carrier frequency frequency to Node B, and a multi-carrier frequency cell is set up in request;
Step 202, Node B set up described multi-carrier frequency cell according to the main carrier frequency information and the assistant carrier frequency information of carrying in the Cell Setup Request message, if in setting up process, main carrier frequency is set up failure, and then execution in step 203; One or more assistant carrier frequency is set up failure if main carrier frequency is set up successfully, and then execution in step 204; If main carrier frequency and all assistant carrier frequencies are all set up success, then execution in step 206;
Step 203, Node B send Cell Setup Failure message to RNC, and notice RNC main carrier frequency is set up failure, process ends then;
In this step, Node B sends to and does not comprise assistant carrier frequency in the Cell Setup Failure message of RNC and set up the failure cell;
Step 204, Node B send the Cell Setup Failure message that has assistant carrier frequency foundation failure cell and arrive RNC, though notice RNC main carrier frequency is set up successfully, have one or more assistant carrier frequency to set up and fail, and execution in step 205 then;
Described assistant carrier frequency foundation failure cell comprises the assistant carrier frequency frequency tabulation of a foundation failure, is included in this multi-carrier frequency cell in this tabulation and sets up the assistant carrier frequency frequency of one or more foundation failure in the process and the reason of these frequencies foundation failure;
Step 205, RNC set up the assistant carrier frequency tabulation of setting up failure in the failure cell according to the assistant carrier frequency of reception Cell Setup Failure message, revise self radio resource status record, make it to keep the Radio Resource state recording with Node B consistent, execution in step 207 then;
In this step, described modification self radio resource record is specially: the assistant carrier frequency of RNC described foundation failure of deletion from the Radio Resource record of self maintained;
Step 206, Node B send Cell Setup Response message to RNC, and notice RNC main carrier frequency and all assistant carrier frequencies are all set up success, and execution in step 207 then;
It is identical that the described Cell Setup of this step Response message and existing single carrier cell are set up the Cell Setup Response message of using in the process;
Step 207, RNC are the process of setting up that newly-established multi-carrier frequency cell is initiated Common transport channel, the system information renewal process, and initiate NBAP public-measurement process as required.
Because the public information of this multi-carrier frequency cell is all set up on main carrier frequency, therefore, the process of setting up of the above-mentioned Common transport channel that RNC initiates, the renewal process of system information, and NBAP public-measurement process all the initiating method with prior art is identical.
So far, multi-carrier frequency cell is set up the process end.
The described method of present embodiment, set up the failure cell by in existing C ell Setup Failure message, increasing assistant carrier frequency, this cell is used to carry the assistant carrier frequency frequency tabulation of setting up failure, can avoid in the process owing to one or more assistant carrier frequency is set up the inconsistent situation of Radio Resource state that NodeB and RNC safeguarded that failure causes setting up of multi-carrier frequency cell.
Embodiment 2:
This embodiment also expands the Cell Setup Request message that RNC sends to Node B, increase the tabulation that comprises one or more assistant carrier frequency frequency therein, Node B just sets up described multi-carrier frequency cell according to main carrier frequency information that comprises in the expansion Cell Setup Request message that receives and the tabulation of assistant carrier frequency frequency.
As different from Example 1, the described method of this embodiment does not need to revise existing C ell SetupFailure message, realizes the transmission that assistant carrier frequency is set up failure information but make full use of existing TD-SCDMA agreement regulation resource status indication (Resource Status Indication) message.Stipulate according to agreement, described Resource Status Indication message can be carried the change information of cell radio resource state, therefore, when the Radio Resource state in the sub-district changes, Node B can in time report RNC with the situation of change of cell radio resource state by this message, so that the Radio Resource state of its maintenance of RNC time update, the Radio Resource state that itself and Node B are safeguarded is consistent.
In addition, this embodiment sets Node B and sends to the Cell Setup Response message of RNC and successful, the failure scenarios that Cell Setup Failure message only is used to indicate main carrier frequency foundation.
Fig. 3 has shown according to embodiment 2 described multi-carrier frequency cells and has set up process.As shown in Figure 3, the described method of present embodiment may further comprise the steps:
It is identical that the described Cell Setup of this step Failure message and existing single carrier cell are set up the Cell Setup Failure message of using in the process, RNC in view of the above as can be known the main carrier frequency of current multi-carrier frequency cell set up failure;
It is identical that the described Cell Setup of this step Response message and existing single carrier cell are set up the Cell Setup Response message of using in the process, RNC in view of the above as can be known the main carrier frequency of current multi-carrier frequency cell set up successfully;
The method of the described modification of this step self Radio Resource state recording is identical with step 206;
Same because the public information of this multi-carrier frequency cell is all set up on main carrier frequency, therefore, the process of setting up of the above-mentioned Common transport channel that RNC initiates, the renewal process of system information, and NBAP public-measurement process all the initiating method with prior art is identical.
So far, multi-carrier frequency cell is set up the process end.
If setting up in the process of above-mentioned multi-carrier frequency cell, one or more assistant carrier frequency occurs and set up the situation of failure, and at Node B as yet not when RNC sends Resource Status Indication message, receive the message of other processes of execution that RNC issues again, then this Node B can send Resource Status Indication message to RNC in the centre of these processes of execution, and the assistant carrier frequency of report current area is set up the situation of failure.
In addition, after described multi-carrier frequency cell is set up, when its Radio Resource situation changes, Node B still can utilize the up-to-date Radio Resource situation of this Resource Status Indication message to current this sub-district of RNC report, makes Node B remain consistent with the Radio Resource situation that RNC safeguards.
Use the described method of present embodiment, do not need to revise existing C ell Setup Failure message, unify to handle multi-carrier frequency cell and set up in the process and the assistant carrier frequency fault after setting up reports but make full use of Resource Status Indication message, can minimal minimizing protocol variation, and the processing policy of RNC is consistent when making the assistant carrier frequency fault, greatly reduces the complexity in the realization of system.
Claims (7)
1. the method for building up of a multi-carrier frequency cell is characterized in that, said method comprising the steps of:
A, radio network controller send the sub-district that carries a main carrier frequency information and one or more assistant carrier frequency information and set up request message to Node B, and request Node B sets up a multi-carrier frequency cell;
B, Node B set up described multi-carrier frequency cell according to main carrier frequency and assistant carrier frequency information that the reception sub-district is set up in the request message; Setting up in the process of described multi-carrier frequency cell,
If main carrier frequency is set up failure, then Node B sends the sub-district and sets up failed message to radio network controller, then process ends;
Successfully have one or more assistant carrier frequency to set up failure if main carrier frequency is set up, then Node B notice radio network controller has one or more assistant carrier frequency to set up failure, execution in step C then;
If main carrier frequency and all assistant carrier frequencies are all set up success, then Node B sends the sub-district and sets up response message to radio network controller, then execution in step D;
C, radio network controller revise self radio resource status record, make it the Radio Resource state consistency safeguarded with Node B, then execution in step D;
D, radio network controller are initiated the process of setting up of Common transport channel, TD-SCDMA system information renewal process, and initiate Node B applying portion public-measurement process as required.
2. the method for claim 1 is characterized in that, described one or more assistant carrier frequency information of steps A are included in the sub-district and set up in the assistant carrier frequency frequency tabulation in the request message.
3. the method for claim 1, it is characterized in that, the described notice of step B is: the NodeB transmission is carried the sub-district of assistant carrier frequency foundation failure cell and is set up failed message to radio network controller, is included in this multi-carrier frequency cell and sets up the assistant carrier frequency frequency tabulation that foundation is failed in the process in described assistant carrier frequency foundation failure cell.
4. the method for claim 1 is characterized in that, among the described step B, when main carrier frequency was set up failure, the sub-district that Node B sends to radio network controller was set up and only comprised main carrier frequency in the failed message and set up failure information.
5. the method for claim 1, it is characterized in that, the described notice of step B is: Node B sends the resource status Indication message to radio network controller, is carried at this multi-carrier frequency cell and sets up the assistant carrier frequency frequency tabulation of setting up failure in the process in this resource status Indication message.
6. method as claimed in claim 5, it is characterized in that, described step B further comprised before Node B notice radio network controller has one or more assistant carrier frequency foundation failure: Node B sends the sub-district and sets up response message to radio network controller, and the current main carrier frequency of notice radio network controller is set up successfully.
7. the method for claim 1, it is characterized in that the described radio network controller of step C is revised the self radio resource status and is recorded as: radio network controller is set up failure information deletion in self radio resource status record according to assistant carrier frequency and is set up the assistant carrier frequency frequency point information of failure.
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| CNB200510008534XA CN100382635C (en) | 2005-02-18 | 2005-02-18 | Method for establishing multiple carrier frequency samll area |
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| CNB200510008534XA CN100382635C (en) | 2005-02-18 | 2005-02-18 | Method for establishing multiple carrier frequency samll area |
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| CN100382635C true CN100382635C (en) | 2008-04-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101166345B (en) * | 2006-10-18 | 2010-05-12 | 鼎桥通信技术有限公司 | Method and device for configuring maximum transmission power of cell carrier |
| CN101312581B (en) * | 2007-05-21 | 2011-11-09 | 大唐移动通信设备有限公司 | Failure carrier recovery method, system and baseband resource configuring method |
| CN101340710B (en) * | 2007-07-04 | 2011-12-21 | 鼎桥通信技术有限公司 | Parameter processing method, network processing entity and network control entity |
| CN101287184B (en) * | 2008-05-22 | 2012-05-23 | 中兴通讯股份有限公司 | Method for signaling transmitting and receiving in multi-carrier frequency communication system |
| CN101790200B (en) * | 2009-01-23 | 2013-04-24 | 华为技术有限公司 | Method, device and system for managing uplink carrier frequencies |
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| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| CN1469569A (en) * | 2002-07-20 | 2004-01-21 | 深圳市中兴通讯股份有限公司 | Carrier frequency selecting method for CDMA base station system with multiple carrier frequencies |
| EP1414255A1 (en) * | 2002-10-24 | 2004-04-28 | Siemens Aktiengesellschaft | Method for managing radio resources |
| KR20040067623A (en) * | 2003-01-24 | 2004-07-30 | 서두인칩 주식회사 | Method for transmission in wireless cellular network system and transmission system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1357179A (en) * | 1999-04-19 | 2002-07-03 | 艾利森电话股份有限公司 | System and method for implementing multiple carriers in cellular networks |
| CN1469569A (en) * | 2002-07-20 | 2004-01-21 | 深圳市中兴通讯股份有限公司 | Carrier frequency selecting method for CDMA base station system with multiple carrier frequencies |
| EP1414255A1 (en) * | 2002-10-24 | 2004-04-28 | Siemens Aktiengesellschaft | Method for managing radio resources |
| KR20040067623A (en) * | 2003-01-24 | 2004-07-30 | 서두인칩 주식회사 | Method for transmission in wireless cellular network system and transmission system |
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