CN101494905A - Method for configuring F-DPCH code resource under CELL-FACH status - Google Patents
Method for configuring F-DPCH code resource under CELL-FACH status Download PDFInfo
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Abstract
The invention discloses a F-DPCH code resource configuration method under CELL_FACH state, In which, radio network controller notifies node B of one or a plurality of channelization code information used by F-DPCH under CELL_FACH state by signaling; and the node B acquires the channelization code information in the signaling. Applying the invention, can avoid the conflict of the F-DPCH channel code resource distributed to the UE under CELL_DCH state by RNC and the F-DPCH code resource used under CELL_FACH state distributed by node B, thereby improves the service quality to user.
Description
Technical field
The present invention relates to moving communicating field, particularly, relate to CELL_FACH (CellForward Access Channel, cell forward access channel) collocation method of the sign indicating number resource of F-DPCH (Fractional Dedicated Physical Channel, f-dpch) under the state.
Background technology
Along with the evolution of mobile communication system, the QoS that improves the user has become one of primary goal of operator, and this is because QoS has influenced service performance, has also just determined the satisfaction of user to business.The major issue that raising user's QoS need be considered is exactly the time delay when connecting with channel allocation, simultaneously, owing to also there is business frequent relatively, that packet is less, therefore need to consider how to make common signal channel work more effective, such as, reduce the signaling delay of up link and down link.
For CELL_FACH (Cell Forward Access Channel, cell forward access channel), CELL_PCH (Cell Paging Channel, the cell paging channel), URA_PCH (UTRAN Registration Area Paging Channel, UTRAN registration area paging channel) downlink signaling of state postpones, 3GPP (3rd Generationpartnership project, the third generation mobile partnership projects) standard is to insert (High Speed Downlink Packet Access by introducing high speed downlink packet, abbreviate HSDPA as) realize, and, also be in research and talking stage at present for the delay issue of up signaling.
In implementing process of the present invention, the inventor finds, in order to reduce up signaling delay, needs to consider following several aspects:
(1) reduces the user's face of IDLE mode (idle pulley), CELL_FACH, CELL_PCH and URA_PCH state and the stand-by period of chain of command;
(2) peak rate of increase CELL_FACH state;
(3) reduce the transition delay of CELL_FACH, CELL_PCH, URA_PCH state and CELL_DCH (Cell Dedicated Channel, cell private channel) state
To achieve these goals, can introduce at the CELL_FACH state uses high speed uplink packet to insert (High Speed Uplink Packet Access, abbreviate HSUPA as) mode, in this article, the CELL_FACH state is used high-speed uplink packet access technique, be called uplink reinforced CELL-FACH.
The basic principle of uplink reinforced CELL-FACH technology is as follows: the transmission principle of Jie Ruing still adopts Physical Random Access Channel (Physical Random AccessChannel at random, abbreviate PRACH as) random access procedure, but change has taken place in channel type, promptly, can use reinforcement dedicated channel (EnhancedDedicated Channel at CELL_FACH, abbreviate E-DCH as) or strengthen Random Access Channel, for CELL_DCH uses the E-DCH channel, its difference is: Node B is not to reach time-multiplexed purpose by the resource that authorization power indicates the user to send, but directly at down control channel (such as Acquisition Indicator Channel (Acquisition IndicatorChannel, abbreviate AICH as), be used for the shared control channel (Shared Control Channel for HS-DSCH abbreviates HS-SCCH as) of high speed descending sharing channel etc.) go up and indicate the user can use which uplink and downlink channel to reach time division multiplexing.
The channel type that the uplink reinforced CELL-FACH technology relates to has following several: the up DPCCH of comprising (Dedicated Physical Control Channel, Dedicated Physical Control Channel), E-DPCCH (E-DCH Dedicated Physical ControlChannel, the E-DCH Dedicated Physical Control Channel), E-DPDCH (E-DCH DedicatedPhysical Data Channel, E-DCH Dedicated Physical Data Channel); Descending comprising: E-AGCH (E-DCH Access Grant Channel, E-DCH insertion authority channel), E-RGCH (E-DCH Relative Grant Channel, E-DCH relative authorization channel)/HICH (E-DCH Hybrid ARQ Indicator Channel, E-DCH HARQ indicating channel), F-DPCH (Fractional Dedicated Physical Channel, fractional dedicated physical channel).
For the use of descending E-AGCH, E-RGCH/HICH channel, the existing signaling of prior protocols Iub mouth, just need be done expansion to application scenarios and get final product for original technology to Node B.But for the F-DPCH channel, prior protocols has only by dedicated signaling and notifies Node B, and for the subscriber equipment of CELL_FACH state, the Iub mouth is not have dedicated signaling; If the sign indicating number resource of the employed F-DPCH channel of the UE under the CELL_FACH state is controlled by Node B fully, and RNC does not understand, and the situation that RNC gives the F-DPCH sign indicating number resource contention of the F-DPCH channel code resource that UE distributed of CELL_DCH state and the CELL_FACH state use that Node B is distributed then can occur.Therefore, need a kind of sign indicating number resource allocation method that can avoid above-mentioned conflict phenomenon.
Summary of the invention
Consider that the sign indicating number resource of the employed F-DPCH channel of UE under the CELL_FACH state that exists in the correlation technique controlled by Node B fully, can occur RNC give the F-DPCH sign indicating number resource contention that the F-DPCH channel code resource that UE distributed of CELL_DCH state and CELL_FACH state that Node B is distributed use situation problem and the present invention is proposed.For this reason, the present invention aims to provide the collocation method of the sign indicating number resource of F-DPCH under a kind of CELL_FACH state.
Collocation method according to the sign indicating number resource of F-DPCH under the CELL_FACH state of the present invention is used for the employed channelization code information of radio network controller notice Node B CELL_FACH state lower part Dedicated Physical Control Channel (F-DPCH), and comprise following processing: radio network controller is by the employed one or more channelization code information of F-DPCH under the signaling Node B CELL_FACH state; Node B is obtained channelization code information from signaling.
Wherein, the employed channelization code information of F-DPCH is under the CELL_FACH state: spreading factor is 256 a channel code node identification number.Particularly, the span of the employed channelization code information of F-DPCH is more than or equal to 0 and smaller or equal to 255 under the CELL_FACH state.
Wherein, can use the corresponding relation of array index number and channel code node identification number to represent channelization code information; Perhaps, can use the Base Serial Number of yard resource and code word number to represent channelization code information.
Wherein, above-mentioned signaling can be the Physical Shared Channel reconfiguration request message.
Preferably, the collocation method according to the sign indicating number resource of F-DPCH under the CELL_FACH state of the embodiment of the invention further comprises: Node B is preserved the channelization code information of obtaining; Node B is returned response message to radio network controller.
Wherein, above-mentioned response message can be the Physical Shared Channel reconfiguration response message.
Further, said method can also comprise following processing: the F-DPCH sign indicating number resource that Node B uses the subscriber equipment under the channelization code information configuration CELL_FACH state that obtains to use.
By the present invention, radio network controller is by the employed one or more channelization code information of F-DPCH under the signaling Node B CELL_FACH state, than prior art, can avoid RNC is the situation generation of the F-DPCH sign indicating number resource contention of the F-DPCH channel code resource that UE distributed of CELL_DCH state and the CELL_FACH state use that Node B is distributed, thereby can improve quality of services for users.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the collocation method of the sign indicating number resource of F-DPCH under the CELL_FACH state of the embodiment of the invention;
Fig. 2 is the Signalling exchange flow chart of method shown in Figure 1;
Fig. 3 is that Node B is shown is the flow chart that UE distributes the F-DPCH channel code based on the employed one or more channelization code information of F-DPCH under the CELL_FACH state of radio network controller notice.
Embodiment
As mentioned above, in the technology that adopts at present, the sign indicating number resource of the employed F-DPCH channel of the UE under the CELL_FACH state is controlled by Node B fully, the situation that RNC gives the F-DPCH sign indicating number resource contention of the F-DPCH channel code resource that UE distributed of CELL_DCH state and the CELL_FACH state use that Node B is distributed can appear, Given this, for fear of the problem of above-mentioned sign indicating number resource contention, the embodiment of the invention has provided the collocation method of the sign indicating number resource of F-DPCH under a kind of CELL_FACH state.
Collocation method according to the sign indicating number resource of F-DPCH under the CELL_FACH state of the embodiment of the invention is used for the employed channelization code information of F-DPCH under the RNC notice Node B CELL_FACH state.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart that the processing of said method is shown.As shown in Figure 1, this method can comprise following processing: (step S102-step S 104)
Step S102: radio network controller is by the employed one or more channelization code information of F-DPCH under the signaling Node B CELL_FACH state;
Step S104: Node B is obtained channelization code information from signaling.
Preferably, after step S104, also comprise following processing: Node B is preserved the channelization code information of obtaining; Node B is returned response message to RNC.
By above-mentioned processing, in subsequent treatment, subscriber equipment is initiated under the situation of request, the F-DPCH sign indicating number resource that Node B can be used according to the subscriber equipment under the channelization code information configuration CELL_FACH state that obtains, in other words, Node B with the channelization code information obtained as set for the user device configuration F-DPCH sign indicating number resource under the CELL_FACH state.
Wherein, above-mentioned signaling can be Physical Shared Channel reconfiguration request message (PHYSICAL SHARED CHANNEL RECONFIGURATIONREQUEST); Above-mentioned response message can be Physical Shared Channel reconfiguration response message (PHYSICAL SHARED CHANNEL RECONFIGURATIONRESPONSE).
Particularly, Fig. 2 has provided the signalling interactive process under the above-mentioned situation.As shown in Figure 2, at first, RNC sends the Physical Shared Channel reconfiguration request message to Node B, and carries the operable channelization code information of CELL_FACH state F-DPCH (210) therein; Afterwards, Node B is returned Physical Shared Channel reconfiguration response message (220) to RNC.
Below will describe above-mentioned channelization code information in detail.This information can be that spreading factor is 256 a channel code node identification number, and its span is 0-255.
The channelization code information that comprises in signaling has under a plurality of situations, can represent these a plurality of channelization code information in the following way: (mode one) adopts the one-to-one relationship of array index number and channel code node number to represent; (mode two) uses the Base Serial Number and the code word number of sign indicating number resource to represent.
The message structure of mode one is as follows:
| F-DPCH Channelisation Code Information | 1to<maxHS SCCHs> | |
| ->F-DPCH Channelisation Code | Integer(0..255) |
The message structure of mode two is as follows:
| F-DPCH Channelisation Code Information | ||
| ->Start F-DPCH Channelisation Code | Integer(0..255) | |
| ->The number of F-DPCH Channelisation Code | Integer(0..255) |
Particularly, to have provided Node B be the reciprocal process that UE distributes the F-DPCH channel code based on F-DPCH employed one or more channelization code information under the CELL_FACH state of RNC configuration to Fig. 3.
As shown in Figure 3, at first, subscriber equipment is initiated Access Preamble (310) at random to Node B, afterwards, Node B distributes a unallocated F-DPCH channel code of using for other users to give above-mentioned subscriber equipment (320) in the F-DPCH channelization code information that the user who gives the CELL_FACH state who preserves in advance uses; Then, Node B is notified subscriber equipment (330) this channel code by AICH or HS-SCCH physical channel, and next, Node B and subscriber equipment use the channel code that is distributed that the F-DPCH physical channel is carried out spread spectrum and despreading.
By top description as can be seen, owing to informed the employed channelization code information of F-DPCH under the Node B CELL_FACH state in advance by RNC, therefore than prior art, can avoid RNC is the situation generation of the F-DPCH sign indicating number resource contention of the F-DPCH channel code resource that UE distributed of CELL_DCH state and the CELL_FACH state use that Node B is distributed, thereby can improve quality of services for users.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.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 (10)
1. the collocation method of the sign indicating number resource of F-DPCH under the CELL_FACH state, being used for radio network controller notice Node B cell forward access channel status is that CELL_FACH state lower part Dedicated Physical Control Channel is the employed channelization code information of F-DPCH, it is characterized in that, comprising:
Radio network controller is by the employed one or more channelization code information of F-DPCH under the signaling Node B CELL_FACH state;
Described Node B is obtained described channelization code information from described signaling.
2. method according to claim 1 is characterized in that, described signaling comprises: the Physical Shared Channel reconfiguration request message.
3. method according to claim 1 and 2 is characterized in that, further comprises:
Described Node B is returned response message to described radio network controller.
4. method according to claim 3 is characterized in that, described response message comprises:
The Physical Shared Channel reconfiguration response message.
5. method according to claim 1 is characterized in that, further comprises:
Described Node B is preserved the described channelization code information of obtaining.
6. method according to claim 1 and 2 is characterized in that, the employed channelization code information of F-DPCH is under the described CELL_FACH state: spreading factor is 256 a channel code node identification number.
7. method according to claim 1 and 2 is characterized in that, the span of the employed channelization code information of F-DPCH is more than or equal to 0 and smaller or equal to 255 under the described CELL_FACH state.
8. method according to claim 1 and 2 is characterized in that, uses the corresponding relation of array index number and channel code node identification number to represent described channelization code information.
9. method according to claim 1 and 2 is characterized in that, uses the Base Serial Number and the code word number of sign indicating number resource to represent described channelization code information.
10. method according to claim 1 and 2 is characterized in that, further comprises:
The F-DPCH sign indicating number resource that described Node B uses the subscriber equipment under the described channelization code information configuration CELL_FACH state that obtains to use.
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| CNA2008100070117A CN101494905A (en) | 2008-01-24 | 2008-01-24 | Method for configuring F-DPCH code resource under CELL-FACH status |
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| CNA2008100070117A CN101494905A (en) | 2008-01-24 | 2008-01-24 | Method for configuring F-DPCH code resource under CELL-FACH status |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056237A (en) * | 2009-11-10 | 2011-05-11 | 中兴通讯股份有限公司 | Method, device and system for determining F-DPCH time slot format |
| WO2011054157A1 (en) * | 2009-11-09 | 2011-05-12 | 中兴通讯股份有限公司 | Method and device for determining the time slot format of a fractional dedicated physical control channel |
| WO2013020454A1 (en) * | 2011-08-11 | 2013-02-14 | 华为技术有限公司 | Resource allocation method and device, and resource acquisition method and device |
| CN104145441A (en) * | 2014-03-31 | 2014-11-12 | 华为技术有限公司 | Wireless network controller, base station and method for eliminating conflict code resources |
-
2008
- 2008-01-24 CN CNA2008100070117A patent/CN101494905A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011054157A1 (en) * | 2009-11-09 | 2011-05-12 | 中兴通讯股份有限公司 | Method and device for determining the time slot format of a fractional dedicated physical control channel |
| CN102484867A (en) * | 2009-11-09 | 2012-05-30 | 中兴通讯股份有限公司 | Method and device for determining time slot format of fractional dedicated physical control channel |
| CN102484867B (en) * | 2009-11-09 | 2014-06-25 | 中兴通讯股份有限公司 | Method and device for determining time slot format of fractional dedicated physical control channel |
| US8964661B2 (en) | 2009-11-09 | 2015-02-24 | Zte Corporation | Method and apparatus for determining a slot format of a fractional dedicated physical control channel |
| CN102056237A (en) * | 2009-11-10 | 2011-05-11 | 中兴通讯股份有限公司 | Method, device and system for determining F-DPCH time slot format |
| CN102056237B (en) * | 2009-11-10 | 2015-06-03 | 中兴通讯股份有限公司 | Method, device and system for determining F-DPCH time slot format |
| WO2013020454A1 (en) * | 2011-08-11 | 2013-02-14 | 华为技术有限公司 | Resource allocation method and device, and resource acquisition method and device |
| CN104145441A (en) * | 2014-03-31 | 2014-11-12 | 华为技术有限公司 | Wireless network controller, base station and method for eliminating conflict code resources |
| WO2015149236A1 (en) * | 2014-03-31 | 2015-10-08 | 华为技术有限公司 | Radio network controller, nodeb and conflict code resource elimination method |
| CN104145441B (en) * | 2014-03-31 | 2017-06-20 | 华为技术有限公司 | A kind of method for removing of radio network controller, base station and conflict code resource |
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Application publication date: 20090729 |