CN101553022B

CN101553022B - Method for reporting discontinuous transmission capability and discontinuous reception capability

Info

Publication number: CN101553022B
Application number: CN200810087793XA
Authority: CN
Inventors: 田金凤
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2008-03-31
Filing date: 2008-03-31
Publication date: 2012-06-06
Anticipated expiration: 2028-03-31
Also published as: CN101553022A

Abstract

The invention relates to a method for reporting discontinuous transmission capability and discontinuous reception capability by a time division duplex system terminal. User equipment (UE) respectivelycarries discontinuous transmission DTX capability information and discontinuous reception DRX capability information in UE wireless access capability information and reports the discontinuous transmi ssion DTX capability information and the discontinuous reception DRX capability information to a network side, wherein the DTX capability information is contained in an ascending physical channel parameter of a TDD system of the UE wireless access capability information, and the DRX capability information is contained in a descending physical channel parameter of the TDD system of the UE wireless access capability information; and the network side respectively judges that the UE satisfies the conditions for using a DRX technology or a DTX technology, so the UE is allowed to use the DRX technology or the DTX technology. The invention supplies versatile flexibility for the TDD system to use the DTX technology or the DRX technology.

Description

A kind of method that reports discontinuous emission and discontinuous receiving ability

Technical field

The present invention relates to introducing of continuity grouping connection (CPC, Continuous PacketConnectivity) technology in the moving communicating field, relate in particular to the introducing of time division duplex (TDD, Time Division Duplex) system CPC technology.

Background technology

Inserting in the 3-G (Generation Three mobile communication system) of (HSUPA/HSDPA, HighSpeed Up Packet Access/High Speed Down Packet Access) technology based on high speed uplink packet access/high speed downlink packet, introducing the CPC 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 (CELL _ DCH for a long time; CELL_DedicatedChannel) Radio Resource control (RRC, Radio Resources Control) connection status, thereby 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 based on network voice transfer protocol (VoIP, Voice Over IP) and HTTP (HTTP, Hyper Text Transfer Protocol) data service.

At WCDMA (WCDMA; Wideband Code Division Multiple Access) introduced the CPC technology in the system; For TD SDMA (TD-SCDMA; Time-Division Synchronizaion CDMA) system has also begun the CPC technology is studied.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 subscriber equipment (UE, User Equipment) automatically from CELL_DCH attitude (sub-district _ designated lane state), otherwise the resource of following of these CUs will limit access customer number greatly.This problem is particularly outstanding for the resource-constrained TDD system of sign indicating number.Like this, when the user constantly has discrete data transfer request, must cause UE frequently to send Radio Link (RL; Radio Link) link setup or reprovision request for based on uplink synchronous TDD system, also need the frequent uplink synchronous process of initiating; Response delay is increased, and the probability that access interference takes place also increases, thereby have a strong impact on QoS of customer (QoS; Quality of Service) experience, more can't fixed network attracts to come from the broadband the user.Therefore, compare FDD (FDD, Frequency Division Duplex) 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.

Discontinuous emission among the CPC/discontinuous reception (DTX/DRX; DiscontinuousTransmission/Discontinuous Reception) be to a kind of optimisation technique of CELL_DCH state when not having DPCH (DPCH, Dedicated Physical Channel).When up-downgoing does not have data to send, can adopt discontinuous emission/discontinuous reception mechanism, can make the UE power saving on the one hand, on the other hand, also help reducing and disturb.In the FDD system, when the provisional capital does not have data to send up and down, UE will stop Dedicated Physical Control Channel (DPCCH, Dedicated Physical ControlChannel) emission automatically, and use a movable pattern of predefined DPCCH, and promptly DTX sends.In the base station during (NodeB) discontinuous transmission, high-speed synchronous control channel (HS-SCCH, the High Speed Synchronization Control Channel) number of sub frames that restriction UE need monitor, UE can close receiver, and promptly DRX receives.

In the FDD system, up DTX is the discontinuous transmission to DPCCH, and its main purpose is to reduce to disturb; Descending DRX can not individualism, if not configuration of up DTX, then descending DRX can not dispose, so discontinuous transmission in the terminal capability reporting information of 3GPP 25 serial protocols/receptions uses same ability cell to indicate: up DTX tenability.

And in the TDD system, the up DPCCH channel that do not exist, the demand to up DTX has been not so good as among the FDD so important comparatively speaking in TDD like this.Simultaneously; Descending DRX depends on this restriction of up DTX in the FDD system; Brought corresponding constraint for the DTX/DRX technical application of TDD system,, then will be limited among the TDD flexible use for the DTX/DRX technology if the DTX/DRX ability information of UE is still adopted the indicating mode of FDD.

Summary of the invention

Technical problem to be solved by this invention provides the method for a kind of tdd systems terminal to report DTX and DRX ability, for the TDD system uses DTX and DRX technology flexibility is provided.

In order to solve the problems of the technologies described above; The invention provides the method for discontinuous emissivities of a kind of tdd systems terminal to report and discontinuous receiving ability; Be that user equipment (UE) is carried at its discontinuous emission DTX ability information and discontinuous reception DRX ability information respectively in the UE wireless access capability information, report network side.

Further, this DTX ability information is included in the uplink physical channel parameter of TDD system of UE wireless access capability information; This DRX ability information is included in the down physical channel parameter of TDD system of UE wireless access capability information.

Further, in the uplink physical channel parameter of TDD system, increase " supporting discontinuous emission " cell, whether support the ability of DRX in order to indication UE; In the down physical channel parameter of TDD system, increase " supporting discontinuous reception " cell, whether support the ability of DRX in order to indication UE.

Further, the TDD system comprises a kind of in TDD 1.28Mcps or TDD 3.84Mcps or three kinds of systems of TDD7.68Mcps.

Further, network side is judged if UE satisfies the condition of using the DRX technology, then allows UE to use the DRX technology; Otherwise do not allow UE to use the DRX technology;

Use the condition of DRX technology to comprise: UE is in CELL _ DCH CELL_DCH state, and is not UE configure dedicated channel DCH, and sub-district and UE all support the ability of DRX.

Further, network side is judged if UE satisfies the condition of using the DTX technology, then allows UE to use the DTX technology, otherwise does not allow UE to use the DTX technology;

Use the condition of DTX technology to comprise: UE is in the CELL_DCH state, and for UE disposes DCH, and sub-district and UE all support the ability of DTX.

The present invention provides very big flexibility owing in UE wireless access capability cell, introduced DTX and the DRX terminal ability information that is applicable to the TDD system for the TDD system uses DTX and DRX technology.

Description of drawings

Fig. 1 reports the method flow sketch map of DTX and DRX ability for TDD system terminal of the present invention.

Embodiment

TDD system terminal provided by the invention reports the method for DTX and DRX ability; The steps include: UE with its DTX ability information and DRX ability information, respectively through giving network side to corresponding TDD system uplink physical channel parameters and down physical channel reporting parameters in the UE wireless access capability information; Whether the network side judges can use DRX or DTX technology; If UE is in the CELL_DCH state, and be not UE configuration DCH channel, and sub-district and UE all support DRX or DTX ability; Then this user can use DRX or DTX technology, otherwise can not use DRX or DTX technology.

Specify the technical scheme of inventive method below in conjunction with embodiment and accompanying drawing.

As shown in Figure 1, for TDD system terminal of the present invention reports the method flow diagram of DTX and DRX ability, this flow process comprises the steps:

Step 101, user terminal carries DTX ability information and DRX ability information respectively in UE wireless access capability (UE radio access capability) information;

Wherein, the DTX ability information is included in corresponding TDD system (1.28Mcps or 3.84Mcps or 7.68Mcps) the uplink physical channel parameter (physical channelparameters in downlink) of UE wireless access capability; The DRX ability information is included in the down physical channel parameter (physical channel parametersin downlink) of corresponding TDD system (1.28Mcps or 3.84Mcps or 7.68Mcps).

Step 102, network side judge whether UE satisfies the condition that can use the DRX technology, if, execution in step 103; If not, execution in step 104 then;

The condition of the above-mentioned DRX of use technology is: UE is in the CELL_DCH state, and is not UE configure dedicated channel (DCH, Dedicated Channel), and sub-district and UE all support the DRX ability.

Step 103, UE uses the DRX technology, continues execution in step 105;

Step 104, UE does not use the DRX technology;

Step 105, network side judge whether UE satisfies the condition that can use the DTX technology, if, execution in step 106; If not, execution in step 107 then;

The condition of the above-mentioned DTX of use technology is: UE is in the CELL_DCH state, and for UE disposes DCH, and sub-district and UE all support the DTX ability.

Step 106, UE uses DTX technology, process ends;

Step 107, UE does not use DTX technology, process ends.

It is example that following embodiment initiates voip call with UE in the TD-SCDMA system from idle (IDLE) attitude; RRC connects the CELL_DCH state that is based upon; DTX and DRX technology are supported in the sub-district that UE makes a call, and promptly the CPC DTX-DRX ability cell of sub-district (Continuous PacketConnectivity DTX-DRX Capability) is for supporting CPC DTX-DRX ability (ContinuousPacket Connectivity DTX-DRX Capable).

Embodiment 1, and for UE had not only supported the DTX ability but also supported the situation of DRX ability, step is following:

Step 1:UE sends the RRC connection request, and receives that RRC connects and set up message;

Step 2:UE sends the RRC connection setup complete message; And in the 1.28Mcps TDD downlink of UE radio access capability physical channel capability cell; Increase " supporting discontinuous reception (Discontinuous Reception support) " cell, " whether needing " of cell (Need) attribute be made as optional (OP), enumeration type parameter (Enumerated) value be very (TRUE); Indication UE supports to use the DRX technology, and is as shown in table 1.

Table 1

Cell/group name (Information Element/ Group name)	Whether need (Need)	Type and reference value (Type and reference)	Implication is described (Semantics description)
				... ignore (Omitted) ...
Support discontinuous receiving ability (Discontinuous Reception support)	Optional (OP)	Parameter is an enumeration type, and value is true Enumerated (TRUE)	Represent not support discontinuous reception (The absence of this IE indicates that the UE does not support Discontinuous Reception) when not comprising this cell
				... Omitted (ignoring) ...

In 1.28Mcps TDD uplink physical channel capability cell; Increase " supporting discontinuous emission " (Discontinuous Transmission support) cell; " whether need " of cell (Need) attribute is made as optional (OP); Enumeration type parameter (Enumerated) value is true (TRUE), and indication UE supports to use the DTX technology, and is as shown in table 2.

Step 3: radio network controller (RNC, Radio Network Controller) is received the RRC connection setup complete message, and preserves the UE ability information;

Table 2

Cell/group name (Information Element/ Group name)	Whether need (Need)	Type and reference value (Type and reference)	Implication is described (Semantics description)
				Omitted (ignoring) ...
Support discontinuous emissivities (Discontinuous Transmission support)	Optional (OP)	Parameter is an enumeration type, and value is true Enumerated (TRUE)	Represent not support discontinuous emission (The absence of this IE indicates that the UE does not support Discontinuous Transmission) when not comprising this cell
				... Omitted (ignoring) ...

Step 4:RNC receives RAB (RAB; Radio Access Bear) assignment messages and handling; Channel allocation is used HSUPA/HSDPA resource (not having the DCH channel), and after admitting successfully, judge that UE satisfies the service condition of DTX and DRX: promptly UE is in the CELL_DCH state; And be not UE configuration DCH, and sub-district and UE all support DTX and DRX ability;

This user of step 5:RNC indication can use DTX and DRX technology, and disposes the relevant parameter (like UE_DTX cycle, UE_DRX cycle etc.) of DTX and DRX for the user.

Embodiment 2, and for UE only supports the situation of DRX ability, step is following:

Step 2:UE sends the RRC connection setup complete message; And in the 1.28Mcps TDD downlink of UE radio access capability physical channel capability cell; Increase " supporting discontinuous reception " (Discontinuous Reception support) cell, " whether needing " of cell (Need) attribute be made as optional (OP), enumeration type parameter (Enumerated) value be very (TRUE); Indication UE supports to use the DRX technology, and is as shown in table 1; In 1.28Mcps TDD uplink physicalchannel capability cell, do not increase " supporting discontinuous emission " (DiscontinuousTransmission support) cell, expression UE does not support to use the DTX technology;

Step 3:RNC receives the RRC connection setup complete message, and preserves the UE ability information;

Step 4:RNC receives the RAB assignment messages and handles; Channel allocation is used HSUPA/HSDPA resource (not having the DCH channel); After admitting successfully; Judge that UE satisfies the service condition of DRX: promptly UE is in the CELL_DCH state, and for UE disposes the DCH channel, and sub-district and UE all support the DRX ability; RNC judges that UE does not satisfy the service condition of DTX: promptly UE does not support the DTX ability;

This user of step 5:RNC indication can use the DRX technology, and disposes the relevant parameter (like UE_DRX cycle etc.) of DRX for the user.

The present invention provides very big flexibility owing in UE access capability cell, introduced DTX and the DRX terminal ability information that is applicable to the TDD system for the TDD system uses DTX and DRX technology.

Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims

1. the method for discontinuous emissivities of tdd systems terminal to report and discontinuous receiving ability; It is characterized in that; User equipment (UE) is carried at its discontinuous emission DTX ability information and discontinuous reception DRX ability information respectively in the UE wireless access capability information, reports network side.

2. according to the described method of claim 1, it is characterized in that,

Said DTX ability information is included in the uplink physical channel parameter of TDD system of said UE wireless access capability information;

Said DRX ability information is included in the down physical channel parameter of said TDD system of said UE wireless access capability information.

3. according to the described method of claim 2, it is characterized in that,

In the uplink physical channel parameter of said TDD system, increase " supporting discontinuous emission " cell, whether support the ability of DTX in order to indicate said UE;

In the down physical channel parameter of said TDD system, increase " supporting discontinuous reception " cell, whether support the ability of DRX in order to indicate said UE.

4. according to claim 2 or 3 described methods, it is characterized in that said TDD system comprises a kind of in TDD 1.28Mcps or TDD 3.84Mcps or three kinds of systems of TDD 7.68Mcps.

5. according to each described method of claim 1 to 3, it is characterized in that said network side is judged if UE satisfies the condition of using the DRX technology, then allow said UE to use said DRX technology; Otherwise do not allow said UE to use said DRX technology;

The condition of said use DRX technology comprises: said UE is in cell private channel CELL_DCH state, and is not UE configure dedicated channel DCH, and sub-district and said UE all support the ability of said DRX.

6. according to the described method of claim 5, it is characterized in that said network side is judged if UE satisfies the condition of using the DTX technology, then allow said UE to use said DTX technology, otherwise do not allow said UE to use said DTX technology;

The condition of said use DTX technology comprises: said UE is in the CELL_DCH state, and not for UE disposes said DCH, and sub-district and said UE all support the ability of said DTX.