CN101600230B - Method and device for distributing and omitting HS-SCCH - Google Patents
Method and device for distributing and omitting HS-SCCH Download PDFInfo
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- CN101600230B CN101600230B CN2008100859185A CN200810085918A CN101600230B CN 101600230 B CN101600230 B CN 101600230B CN 2008100859185 A CN2008100859185 A CN 2008100859185A CN 200810085918 A CN200810085918 A CN 200810085918A CN 101600230 B CN101600230 B CN 101600230B
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Abstract
The invention provides a method and a device for distributing and omitting HS-SCCH. The method comprises the following steps: S102. user equipment (UE) sends capacity information for showing whether the UE supports HS-SCCH less or not to a network side when a wireless network controller is accessed; S104. the network side judges whether the UE satisfies the use condition of the HS-SCCH less or not according to the received capacity information, cell capacity information and resource information of the UE, and if the UE satisfies the use condition of the HS-SCCH less, the network side instructs the UE to use the HS-SCCH less. The invention also provides a device for distributing the HS-SCCH less, thereby leading HS-SCCH less terminal capacity information suitable for a TDD system into a capacity cell of the UE and also providing a method for system decision-making users to determine whether using an HS-SCCH less technology or not.
Description
Technical field
The present invention relates to moving communicating field, more specifically, relate to the method and the device that distribute HS-SCCH less in the TD-SCDMA system.
Background technology
In 3-G (Generation Three mobile communication system), introduced CPC (continuity connection) technology based on HSUPA/HSDPA (access of high speed uplink packet access/high speed downlink packet) technology.CPC is meant one type of technology general designation that improves the continuous concatenation ability of grouped data.The CPC technology allows when the user has irregular transfer of data; Resource overhead (sign indicating number and power) with minimum; Remain on CELL DCH (dedicated channel) RRC (Radio Resource control) connection status for a long time, thus access interference and the time delay of avoiding user's frequent calls or link re-establishment to cause.Simultaneously, the CPC technology will provide transmission means more efficiently for VOIP (based on network voice transfer protocol) and HTTP (HTTP) data service.
In WCDMA (WCDMA) system, introduced the CPC technology,, also begun the CPC technology is studied for TD-SCDMA (TD SDMA) system.Under current HSDPA/HSUPA technology, the resource overhead of control channel has continuous data to be transmitted as Reference Design with the user.In case the user does not have data, system will move out UE (subscriber equipment) automatically from CELL DCH attitude, otherwise the resource of following of these CUs will limit access customer number greatly.This problem is particularly outstanding for the resource-constrained TDD of sign indicating number (time division duplex) system.Like this, when the user constantly has discrete data transfer request, must cause UE frequently to send RL (Radio Link) link setup or reprovision request; For based on uplink synchronous TDD system; Also need the frequent uplink synchronous process of initiating, not only response delay increases, and the probability of generation access interference also increases; Experience thereby have a strong impact on user QoS, more can't fixed network attracts to come from the broadband the user.Therefore, compare FDD (FDD) system because sign indicating number resource-constrained and uplink synchronous process in the TDD system, make the TDD system more exigence introduce CPC, to adapt to the demand of Packet data service development.
The shared control channel HS-SCCH less that omits high speed descending sharing channel is a kind of optimisation technique in the CPC technology, proposes to VOIP class business specially.Because the characteristic of HSDPA is to go up when sending at HS-PDSCH (high-speed downstream Physical Shared Channel) to notify the user through HS-SCCH earlier, every transmission primaries data all can be used the HS-SCCH channel one time.HS-SCCH is an important expense in the HS-DSCH transmission like this, and the data packet transmission that this expense is big relatively is smaller, but for still more considerable as VOIP is professional.So proposed to save the method for HS-SCCH; Be HS-SCCH less technology: HS-SCCH is not sent in HARQ (mixed automatic retransmission request) transmission first; UE receives data through predetermined configuration; If re-transmission has taken place, the data of re-transmission need adopt the HS-SCCH channel to send control signaling, and retransmit at most twice.When receiving success rate for the first time when high, can save a lot of HS-SCCH resources like this.
HS-SCCH less technology is same also to be a kind of strategy that presses for introducing for the TDD system; But under present protocol frame; Also be not applicable to the HS-SCCH less terminal ability information of TDD system when newly calling out connecting system; This has caused network side can't know whether configurable UE uses HS-SCCH less technology, promptly in the TDD system, also can't use HS-SCCH less technology.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is, method and the device of a kind of HS-SCCH of distribution less is provided.
According to an aspect of the present invention, the method for a kind of HS-SCCH of distribution less is provided, it may further comprise the steps:
Step S102, subscriber equipment are used to represent to the network side transmission whether subscriber equipment supports the ability information of HS-SCCH less when radio network controller inserts; And
Step S104; Network side comes judges equipment whether to satisfy the service condition of HS-SCCH less according to the resource information of the ability information, cell capacity information and the subscriber equipment that receive; If judged result is for being, then network side indication subscriber equipment uses HS-SCCHless.
In said step S102, utilize the down physical channel parameter cell in the wireless access capability information of subscriber equipment to come carrying capacity information.
Step S104 is included in subscriber equipment and is in cell dedicated channel status; There are not dedicated channel in uplink physical channel and down physical channel; HS-SCCH less is all supported in the sub-district at subscriber equipment and subscriber equipment place; And when existing based on network voice transfer protocol class professional in the business carried out of subscriber equipment, satisfying the service condition of HS-SCCH less, network side indication subscriber equipment uses HS-SCCH less.
The Packet Service that based on network voice transfer protocol class business can be little for data volume, have periodic characteristic.
According to a further aspect in the invention, the device of a kind of HS-SCCH of distribution less is provided, it comprises:
The ability information sending module is used to represent to the network side transmission whether subscriber equipment supports the ability information of HS-SCCH less when radio network controller inserts; And
Judge module; Come judges equipment whether to satisfy the service condition of HS-SCCH less according to the resource information of ability information that receives from the ability information sending module and subscriber equipment; If judged result is for being, then network side indication subscriber equipment uses HS-SCCH less.
The ability information sending module utilizes the down physical channel parameter cell in the accessing wirelessly ability information of subscriber equipment to come carrying capacity information.
Judge module is in cell dedicated channel status at subscriber equipment; There are not dedicated channel in uplink physical channel and down physical channel; HS-SCCH less is all supported in the sub-district at subscriber equipment and subscriber equipment place, and the business that subscriber equipment is carried out is that the professional situation lower network side indication subscriber equipment of based on network voice transfer protocol class uses HS-SCCH less.
The Packet Service that based on network voice transfer protocol class business can be little for data volume, have periodic characteristic.
Through technique scheme, in UE ability cell, introduced the HS-SCCH less terminal ability information that is applicable to the TDD system, whether use HS-SCCH less technology that decision method is provided for system decision-making user simultaneously.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the method for distribution HS-SCCH less of the present invention;
Fig. 2 shows the block diagram according to the device of distribution HS-SCCH less of the present invention; And
Fig. 3 shows the flow chart according to the method for the distribution HS-SCCH less of the embodiment of the invention.
Embodiment
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 explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 shows the flow chart according to the method for distribution HS-SCCH less of the present invention.
With reference to Fig. 1, the method for a kind of HS-SCCH of distribution less is provided, it may further comprise the steps:
Step S102, subscriber equipment are used to represent to the network side transmission whether subscriber equipment supports the ability information of HS-SCCH less when radio network controller inserts; And
Step S104; Network side comes judges equipment whether to satisfy the service condition of HS-SCCH less according to the resource information of the ability information, cell capacity information and the subscriber equipment that receive; If judged result is for being, then network side indication subscriber equipment uses HS-SCCHless.
In said step S102, utilize the down physical channel parameter cell in the wireless access capability information of subscriber equipment to come carrying capacity information.
Step S104 is included in subscriber equipment and is in cell dedicated channel status; There are not dedicated channel in uplink physical channel and down physical channel; HS-SCCH less is all supported in the sub-district at subscriber equipment and subscriber equipment place; And when existing based on network voice transfer protocol professional in the business carried out of subscriber equipment, satisfying the service condition of said HS-SCCH less, network side indication subscriber equipment uses HS-SCCH less.
The Packet Service that based on network voice transfer protocol class business can be little for data volume, have periodic characteristic.
Fig. 2 shows the block diagram according to the device of distribution HS-SCCH less of the present invention.
With reference to Fig. 2, the device of a kind of HS-SCCH of distribution less is provided, it comprises:
Ability information sending module 201 is used to represent to the network side transmission whether subscriber equipment supports the ability information of HS-SCCH less when radio network controller inserts; And
The ability information sending module utilizes the down physical channel parameter cell in the accessing wirelessly ability information of subscriber equipment to come carrying capacity information.
Based on network voice transfer protocol class is professional to be the Packet Service that data volume is little, periodic characteristic is arranged.
Followingly describe exemplary embodiment of the present invention in detail with reference to Fig. 3.
1, UE carries the ability information whether it supports HS-SCCH less under the down physical channel parameter cell of TDD in UE radio accesscapability information when RNC (wireless network control) inserts;
Particularly, for the TD-SCDMA system, the down physical channel parameter of TDD is TDD 1.28Mcps physical channel parameters in downlink;
2, network side judges whether UE satisfies HS-SCCH less service condition: UE is in the CELL_DCH state, and there is not the DCH channel in the provisional capital up and down, and sub-district and UE all support HS-SCCH less ability, and the user to have type of service be the business of VOIP class;
Said VOIP class business refers to little, the periodic Packet Service of data volume;
If 3 satisfy 2 said conditions, then network side indication user uses HS-SCCH less technology; Otherwise this user does not use HS-SCCH less technology.
Whether this UE uses the decision method of HS-SCCH less not to be only applicable to initial access, is applicable to that also the user changes or the professional HS-SCCH less that changes when waiting uses and adjudicates in channel type reprovision or connection status.
It is example that embodiment initiates the VOIP calling with UE from IDLE (free time) attitude, and RRC connects the CELL_DCH state that is based upon, and the HS-SCCHless technology is supported in the sub-district that UE makes a call.
Embodiment 1, and UE supports the embodiment of HS-SCCH less.
Step 1:UE sends the RRC connection request, and the network side indication signaling is built the CELL_DCH state in, and sends the RRC connection and set up message;
Step 2:UE sends the RRC connection setup complete message; And in the 1.28Mcps TDD downlink of agreement UE radioaccess capability physical channelcapability cell; Increase " HS-SCCHless HS-DSCH operation support " cell; Value is Enumerated (TRUE), and " Need " attribute of cell is made as OP, and is as shown in table 1; Indication UE supports to use HS-SCCH less technology;
1.28Mcps TDD downlink physicalchannel capability behind the table 1RRC protocol modification
| Cell/group name | Whether need | Type and reference value | Implication is described |
| Ignore | |||
| ＞HS-SCCHles s HS-DSCH operation support (HS-SC CH less tenability) | OP (optional) | Enumerated (TRUE) (value is true) | The absence of this IE indicates that the UE does not support HS-SCCHless HS-DSCH operation. (do not comprise this cell and represent that UE does not support HS-SCCH less) |
| Ignore |
Step 3:RNC (radio network controller) receives the RRC connection setup complete message, and preserves the UE ability information;
Step 4:RNC receives RAB (RAB) assignment messages and handles; After channel distributes and admits successfully; Judge that UE satisfies: be in the CELL_DCH state and up and down the provisional capital do not exist DCH channel and sub-district and UE all to support HS-SCCH less ability and user to have type of service to be the business of VOIP class, promptly to satisfy the service condition of HS-SCCH less;
This user of step 5:RNC indication uses HS-SCCH less technology; The relevant parameter (like predefined transmission block size) that distributes HS-SCCH less for the user.
Embodiment 2, and UE does not support the embodiment of HS-SCCH less.Step is following:
Step 1:UE sends the RRC connection request, and the network side indication signaling is built CELL DCH state in, and sends the RRC connection and set up message;
Step 2:UE sends the RRC connection setup complete message; And in the 1.28Mcps TDD downlink physical of RRC agreement UEradio access capability channelcapability cell, do not increase " HS-SCCHless HS-DSCH operationsupport " cell;
Step 3:RNC (radio network controller) receives the RRC connection setup complete message, and preserves the UE ability information;
Step 4:RNC receives RAB (RAB) assignment messages and handles, and after channel distributed and admits successfully, judgement UE did not support HS-SCCH less ability, does not promptly satisfy the service condition of HS-SCCH less;
This user of step 5:RNC indication does not use HS-SCCH less technology.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, 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. a method of distributing the shared control channel HS-SCCHless that omits high speed descending sharing channel is characterized in that, may further comprise the steps:
Step S102, subscriber equipment are used to represent to the network side transmission whether said subscriber equipment supports the ability information of said HS-SCCH less when radio network controller inserts; And
Step S104; Said network side judges according to the resource information of the said ability information, cell capacity information and the said subscriber equipment that receive whether said subscriber equipment satisfies the service condition of said HS-SCCH less; If judged result is for being that then said network side indicates said subscriber equipment to use said HS-SCCH less;
Wherein, Said step S104 comprises: be in cell dedicated channel status at said subscriber equipment; There are not dedicated channel in uplink physical channel and down physical channel; Said HS-SCCH less is all supported in the sub-district at said subscriber equipment and said subscriber equipment place; And when existing based on network voice transfer protocol class professional in the business carried out of said subscriber equipment, satisfying the service condition of said HS-SCCH less, said network side indicates said subscriber equipment to use said HS-SCCH less.
2. method according to claim 1 is characterized in that, in said step S102, utilizes the down physical channel parameter cell in the wireless access capability information of said subscriber equipment to carry said ability information.
3. method according to claim 1 is characterized in that, said based on network voice transfer protocol class is professional to be the Packet Service that data volume is little, periodic characteristic is arranged.
4. method according to claim 1 is characterized in that, said step S104 also comprises: the said ability information that said network side preservation receives.
5. a device that distributes the shared control channel HS-SCCH less that omits high speed descending sharing channel is characterized in that, comprising:
The ability information sending module is used to represent to the network side transmission whether subscriber equipment supports the ability information of said HS-SCCH less when radio network controller inserts; And
Judge module; Judge according to the resource information of the said ability information, cell capacity information and the said subscriber equipment that receive from said ability information sending module whether said subscriber equipment satisfies the service condition of said HS-SCCH less; If judged result is for being that then said network side indicates said subscriber equipment to use said HS-SCCH less;
Wherein, Said judge module is in cell dedicated channel status at said subscriber equipment; There are not dedicated channel in uplink physical channel and down physical channel; Said HS-SCCH less is all supported in the sub-district at said subscriber equipment and said subscriber equipment place, and exists under the professional situation of based on network voice transfer protocol class in the business of said subscriber equipment execution, and said network side indicates said subscriber equipment to use said HS-SCCH less.
6. device according to claim 5 is characterized in that, said ability information sending module utilizes the down physical channel parameter cell in the accessing wirelessly ability information of said subscriber equipment to carry said ability information.
7. device according to claim 5 is characterized in that, said based on network voice transfer protocol class is professional to be the Packet Service that data volume is little, periodic characteristic is arranged.
8. device according to claim 5 is characterized in that, said judge module is saved in said network side with the said ability information that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100859185A CN101600230B (en) | 2008-06-03 | 2008-06-03 | Method and device for distributing and omitting HS-SCCH |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100859185A CN101600230B (en) | 2008-06-03 | 2008-06-03 | Method and device for distributing and omitting HS-SCCH |
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| Publication Number | Publication Date |
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| CN101600230A CN101600230A (en) | 2009-12-09 |
| CN101600230B true CN101600230B (en) | 2012-04-04 |
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| CN2008100859185A Expired - Fee Related CN101600230B (en) | 2008-06-03 | 2008-06-03 | Method and device for distributing and omitting HS-SCCH |
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Granted publication date: 20120404 Termination date: 20190603 |