CN101651848A - DTX-DRX information cell, DTX-DRX timing information cell, DTX processing method and DRX processing method - Google Patents
DTX-DRX information cell, DTX-DRX timing information cell, DTX processing method and DRX processing method Download PDFInfo
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Abstract
The invention discloses a DTX-DRX information cell, a DTX-DRX timing information cell, a DTX processing method and a DRX processing method, which can enable UE to accurately determine preset DTX-DRX information. The invention adopts a technical scheme that in DTX-DRX operation of TD-HSPA, DTX period needs to be matched with the repetition period of uplink non-scheduling resource, and DRX period ismatched with the DTX period so as to avoid the failure of DTX-DRX mechanism, maintain the uplink synchronization and normal power control of systems and reduce the power consumption of the UE. In addition, a TDD option and a cell needed for DTX-DRX are added to the DTX-DRX information cell and the DTX-DRX timing information cell so as to enable the UE to have complete DTX-DRX preset information.This invention is applied to mobile communication.
Description
Technical field
The present invention relates to TD-HSPA (Time Division-Synchronous Code DivisionMultiple Access-High Speed Packet Access, the access of TD SDMA high-speed packet) DTX-DRX (the Discontinuous Transmission-DiscontinuousReception in the system, discontinuous emission-discontinuous reception) relevant cell (IE, Information Element) and processing method, relate in particular to the relevant DTX-DRX information cell of DTX-DRX in a kind of TD-SCDMA system, DTX-DRX timing information cell, the processing method of the processing method of up DTX operation and descending DRX operation.
Background technology
Along with the continuous development of the communication technology and the user raising day by day to quality of service requirement, the message transmission rate that reaches as high as 2Mbit/s that 3G (Third Generation) Moblie partner plan (3GPP) standard defined before Release 4 versions can't satisfy the demand of user to high-speed data service gradually.In the case, 3GPP has introduced high speed downlink packet access (High Speed DownlinkPacket Access in Release 5 standards, HSDPA) technology, in Release 6 standards, released enhancing dedicated channel (Enhanced Dedicated Channel subsequently again, E-DCH), E-DCH is also referred to as the high speed uplink packet access, and (High Speed Uplink Packet Access, HSUPA), HSDPA and HSUPA are collectively referred to as HSPA.
The main purpose of HSPA provides the high speed support to Packet data service, and (Quality of Service QoS) guarantees to obtain lower time delay, higher throughput of system and stronger service quality.From technical standpoint, (High SpeedDownlink Shared Channel HS-DSCH) strengthens air interface to HSDPA, and strengthens corresponding functional entity in UTRAN by introducing high speed descending sharing channel.From bottom, HSDPA mainly be introduce to mix automatic repeat requests (Hybrid Automatic Repeat Request, H-ARQ) and Adaptive Modulation and Coding (AdaptiveModulation and Coding, AMC) technology increases data throughout.The same with HSDPA, HSUPA adopts up fast dispatch strategy and H-ARQ technology based on Node B (Node B) by strengthening dedicated channel E-DCH, improves power system capacity and user throughput, better supports Packet data service.
In 3GPP, two kinds of dual-modes are arranged: one is time division duplex (Time Division Duplex is called for short " TDD "), and one is Frequency Division Duplexing (FDD) (Frequency Division Duplex is called for short " FDD ").The former mainly refers to WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) system, and TD-SCDMA belongs to the latter.The HSPA access procedure of WCDMA and TD-SCDMA is similar substantially, but also different, up link especially, and each UE adopts different uplink scrambling codes among the WCDMA, and E-DCH belongs to dedicated channel to be strengthened; And the UE of each sub-district has identical uplink scrambling code among the TD-SCDMA, and TD-HSUPA can realize that shared channel strengthens; And in the TD-SCDMA system, transmitting uplink data is supported scheduled transmission and two kinds of patterns of non-scheduled transmission, wherein the latter allows the specific MAC-d data flow (specific transactions) of RNC configuration, by making control invalid the guarantee physical layer data rate of Node B to this business, promptly when being provided with non-scheduled transmission, allow UE (User Equipment, terminal) the E-DCH data of transmission institute configuration bit number under the situation that does not receive any dispatching command from Node B, its resource is preallocated, so non-dispatching uplink transmission has the attribute that takies private resource in the TD-SCDMA system.
In various Packet data services, there is a class business, its transfer of data is intermittently, just there are several business activity cycles once in a while, but cause access interference or time delay for fear of frequent calling or link re-establishment, require the user can remain on the CELL_DCH state for a long time, promptly so-called " always online "; And maintenance user's continuous connection, need the configuration control channel to keep uplink synchronous and power control, if system takies private resource (as: the non-scheduled transmission of FDD-HSUPA, TD-HSUPA etc.), there be not transfer of data and control channel when transmission, it is bigger to waste resource and UE power consumption; Even without transfer of data, UE also needs to intercept continuously many HS-SCCH (High Speed Shared Control Channel, High-Speed Shared Control Channel), causes the UE power consumption serious in the current in addition TD-HSDPA agreement.
For reducing the UE power consumption, improve resource utilization, the FDD system has introduced up DTX and descending DRX mechanism.Up DTX is meant that working as UE does not have up E-DCH or HS-DPCCH (HighSpeed Dedicated Physical Control Channel, when High-Speed Dedicated Physical Control Channel) transmitting, automatically stop normal up DPCCH (Dedicated Physical Control Channel, Dedicated Physical Control Channel) emission, launch by predefined movable pattern simultaneously, to keep the control of necessary uplink synchronous and power, in a single day and have up E-DCH or HS-DPCCH transmission, UE to recover normal DPCCH emission immediately.The movable pattern of predefined DPCCH has two cycles: UEDTX cycle 1 and UE DTX cycle 2, and the latter is the former integral multiple.When UE does not temporarily have transmitting uplink data, DPCCH is discontinuous emission of cycle with UE DTX cycle 1, and when not having the duration of transmitting uplink data greater than some threshold values (as: Inactivity threshold for UEDTX cycle 2, by the high level configuration) time, it is discontinuous emission of cycle that DPCCH transfers with UE DTX cycle 2, reduces the activity time of UE.The length of up DPCCH emission is defined by high level in each cycle, i.e. parameter UE DPCCH burst 1 (terminal D PCCH burst 1) and UE DPCCHburst 2 (terminal D PCCH burst 2).For the auxiliary uplink synchronous of carrying out, the DPCCH of FDD system can several time slot emissions (be called preamble before E-DCH or HS-DPCCH transmission beginning, be prefix code), and several time slots finish (being called postamble, i.e. suffix code) after the E-DCH or the HS-DPCCH end of transmission.In the FDD system, in order further to reduce the activity of UE, (Channel Quality Indicator CQI) also limits in indication to uplink signal-channel quality.For specific time migration of each UE configuration, make the power of different user on time domain, present even distribution in addition, further reduce uplink interference.
The descending DRX of FDD system is meant that UE receives pattern according to predefined HS-SCCH, and the HS-SCCH cycle of carrying out is intercepted, and HS-SCCH receives pattern and also can be each UE a time offset value is set.In the FDD system, DTX can separate configurations, and DRX must dispose simultaneously with DTX, if DTX and DRX are combined (DTX and DRX cycle are aimed at), can make UE when not having the uplink and downlink data activity, really enter resting state, prolong battery service time greatly.In addition, some in particular cases (as: UE has the danger of call drop), network can be cancelled the DTX-DRX function of UE by physical layer signaling, makes UE can get back to normal condition very soon.
In order to support DTX-DRX to handle, the FDD system uses set of variables DTX_DRX_PARAMS to preserve the relevant parameter that DTX-DRX handles, and uses DTX_DRX_STATUS to be provided with and the DTX-DRX state of maintenance terminal, sees Table 1 and table 2 respectively.
Table 1DTX_DRX_PARAMS
| Information element/group name | Multiple | Type and reference | Describe |
| ??UE?parameters?for?DTX-DRX | DTX-DRX information in the table 3 | The DTX-DRX parameter |
Table 2DTX_DRX_STATUS
| Information element/group name | Multiple | Type and reference | Describe |
| DTX_DRX_STATUS | Boolean type | Very: carrying out DTX-DRX; When entering UTRA RRC connection mode,, be set to " vacation " if there is not other regulation; When leaving UTRA RRC connection mode, be set to " vacation ". |
Table 3 and table 4 are represented IE (cell) DTX-DRX information and the DTX-DRX timing information in the FDD system respectively, these IE are present in many downstream messages (comprise cell update, radio bearer reshuffle etc.), be used for to terminal indication relevant information, as DPCCH cycle of activity, emission length, DTX-DRX time migration or the like.
Table 3DTX-DRX information
| Information element/group name | Multiple | Type and reference | Describe |
| DTX Information | |||
| ＞CHOICE E-DCH TTI length | |||
| ＞＞10ms | |||
| The UE DTX cycle of＞＞＞1 | Enumeration type (1,5,10,20) | With the subframe is unit.The transmission cycle of up DPCCH when UE |
|
| The UE DTX cycle of＞＞＞2 | Enumeration type (5,10,20,40,80,160) | With the subframe is unit.The transmission cycle of up DPCCH when UE |
|
| The MAC DTX cycle of＞＞＞ | Enumeration type (5,10,20) | With the subframe is unit.Inactive state allows the pattern of the up E-DCH transmission in back original position | |
| ＞＞2ms | |||
| The UE DTX cycle of＞＞＞1 | Enumeration type (1,4,5,8,10,16,20) | With the subframe is unit.The transmission cycle of up DPCCH when UE |
|
| The UE DTX cycle of＞＞＞2 | Enumeration type (4,5,8,10,16,20,32,40,64,80,128,160) | With the subframe is unit.The transmission cycle of up DPCCH when UE |
|
| The MAC DTX cycle of＞＞＞ | Enumeration type (1,4,5,8,10,16,20) | With the subframe is unit.Inactive state allows the pattern of the up E-DCH transmission in back original position | |
| ＞Inactivity Threshold for UE |
Enumeration type (1,4,8,16,32,64,128,256) | With E-DCH TTI is unit.Transmitting uplink data finishes the stand-by period that UE DTX |
|
| ＞Default SG in |
Integer type (0..37,38) | Transit to the used service of DTX-Cycle-2 cycle and authorize (Serving Grant) value, (0..37) call number (seeing TS25.321) is authorized in expression E-DCH service, and call number 38 expressions are not considered to authorize. | |
| ＞UE DTX long preamble length | Enumeration type (4,15) | With the time slot is unit.Up preamble length is defaulted as 2 time slots | |
| ＞MAC Inactivity Threshold | Enumeration type (1,2,4,8,16,32,64,128,256,512, infinite) | With E-DCH TTI is unit.Start the E-DCH required stand-by period of inactive state, promptly pass through this section after the period, UE can only at the appointed time begin the E-DCH transmission | |
| ＞CQI DTX Timer | Enumeration type (0,1,2,4,8,16,32,64,128,256,512, infinite) | With the subframe is unit.During receiving HS-DSCH transmission beginning timing so far, CQI reports and has precedence over the DTX operation, promptly transmits according to normal CQI pattern during this period | |
| ＞UE DPCCH burst_1 | Enumeration type (1,2,5) | With the subframe is unit.Up DPCCH transmission length between |
|
| ＞UE DPCCH burst_2 | Enumeration type (1,2,5) | With the subframe is unit.Up DPCCH transmission length between |
|
| DRX Information | |||
| ＞UE DRX cycle | Enumeration type (4,5,8,10,16,20) | With the subframe is unit.HS-SCCH or HS-PDSCH receive pattern, and promptly how long UE intercepts every HS-SCCH or blind check reception HS-PDSCH (during HS-SCCH Less) | |
| ＞Inactivity Threshold for UE DRX cycle | Enumeration type (0,1,2,4,8,16,32,64,128,256,512) | With the subframe is unit.Activate the required stand-by period of DRX behind the descending activity end, UE still need intercept HS-SCCH or blind check continuously and receive HS-PDSCH (during HS-SCCH Less) during this period | |
| ＞Inactivity Threshold for UE Grant Monitoring | Enumeration type (0,1,2,4,8,16,32,64,128,256) | With E-DCH TTI is unit.Transmitting uplink data finishes the back and activates the required stand-by period of E-AGCH/E-RGCH DRX, and UE still need intercept E-AGCH/E-RGCH continuously during this period | |
| ＞UE DRX Grant Monitoring | Boolean type | ||
| Uplink DPCCH slot format information | Enumeration type (1,3,4) | The time slot format number (seeing TS25.211) that UL DPCCH uses |
Table 4DTX-DRX timing information
In the TD-HSPA system,, also can introduce up DTX and descending DRX in the UE side in order to reduce the UE power consumption.But, therefore in the TD-HSPA system, introduce the DTX-DRX action need and carry out corresponding modification because FDD-HSPA and TD-HSPA system are different.
At first, transfer of data takies private resource among the FDD-HSUPA, and the resource of the non-scheduled transmission of TD-HSUPA is preallocated, has the private resource attribute, can introduce the DTX operation; And the scheduled transmission of TD-HSUPA can shared channel, do not have the private resource attribute, so up DTX is primarily aimed at non-scheduled transmission in the TD system.
Secondly, control channel that uplink is used among FDD and the TD and data channel and corresponding relation thereof are also different.Fig. 1 is the rough schematic (is example with 2ms TTI) of FDD system uplink transmission, and the resource that can carry E-DCH is continuous, the control information of control channel DPCCH physical layer for transmission, the cycle is unit with the subframe, thus among the FDD cycle of DTX also be unit with the subframe.In Fig. 1,
The special-purpose subframe of representative transmission data,
The special-purpose subframe of data is not transmitted in representative,
The DPCCH subframe of launching when representative has transfer of data,
The DPCCH subframe of emission when representing the free of data transmission.
Fig. 2 is the rough schematic of FDD system applies DTX operation, and UE DTX cycle 1 is 2 subframes among the figure, and UE DTX cycle 2 is 4 subframes, and information such as preamble and postamble are not represented.In Fig. 2,
The special-purpose subframe of representative transmission data,
The DPCCH subframe that representative is launched according to the DTX pattern,
The DPCCH subframe of launching when representative has transfer of data,
The information special-purpose subframe of (comprising E-DCH data and DPCCH control information) is not transmitted in representative.
Fig. 3 is the rough schematic of non-scheduled transmission in the TD system, different with FDD system among Fig. 1, TD system uplink non-scheduling resource is not necessarily continuous, but period allocated, the repetition period is 2 TTI (equaling subframe) among the figure, and repeat length is 1 TTI, and control information and data message are all carried by E-PUCH, there is not independently control channel (as the DPCCH among the FDD), do not have preamble and postamble etc.In Fig. 3,
The subframe of representative transmission data,
Non-scheduling E-PUCH (Enhanced Physicial UplinkChannel, the enhanced physical up channel) resource of representative transmission data,
The non-scheduling E-PUCH resource of data is not transmitted in representative,
Represent non-scheduling E-PUCH resource pattern,
The information resource of (comprising data message and control information) is not transmitted in representative.Because the resource allocation of non-scheduled transmission has periodically in the TD system, and should it with the subframe unit in the cycle, if the DTX of TD system directly quotes the agreement in the FDD system, the DTX cycle is unit with the subframe, then the DTX cycle may not match with the non-scheduling repetition period, be that non-scheduling resource is not distributed in the movable pattern of DTX position, system can't launch non-scheduling E-PUCH according to default DTX pattern when causing not having transfer of data, makes the DTX mechanism failure.Simultaneously, descending DRX is used with up DTX in the FDD system, and its cycle is provided with corresponding with the DTX cycle, also is with subframe unit; If the TD system directly introduces the DRX of FDD system, also can cause DRX cycle and DTX cycle not to match, UE can't enter resting state fully, can't further reduce the UE power consumption.
Summary of the invention
The objective of the invention is to address the above problem, the DTX-DRX information cell in a kind of TD-HSPA system is provided, can make UE can accurately determine default DTX-DRX information.
Another object of the present invention is to provide the DTX-DRXtiming information cell in a kind of TD-HSPA system, can make UE can accurately determine default DTX-DRX information.
A further object of the present invention has been to provide the processing method of the up DTX operation in a kind of TD-HSPA system, makes UE can at utmost be in inactive state (not having the uplink and downlink transmission), thereby saves power consumption greatly.
Another purpose of the present invention has been to provide the processing method of the descending DRX operation in a kind of TD-HSPA system, makes UE can at utmost be in inactive state (not having the uplink and downlink transmission), thereby saves power consumption greatly.
Technical scheme of the present invention is: the present invention has disclosed the DTX-DRX information cell in a kind of TD-HSPA system, make UE can determine the DTX-DRX information of presetting, this DTX-DRX information cell is to expand on the basis of the DTX-DRX of FDD system information cell:
Increasing in the DTX information cell of DTX-DRX information cell has a TDD option, and a TDD option is used to enable following cell:
Increase UE DTX cycle 1 cell under a TDD option, its type is an enumeration type, and scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle 1 activation;
Increase UE DTX cycles 2 cell under a TDD option, its type is an enumeration type, and scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle 2 activation;
Increase MAC DTX cycle cell under a TDD option, its type is an enumeration type, and scope is several subframes, is used to identify the pattern that inactive state allows the up E-DCH transmission in back original position;
Increase Inactivity Threshold for UE DTX cycles 2 cell under a TDD option, its type is an enumeration type, and scope is several E-DCH TTI, is used to identify transmitting uplink data and finishes the stand-by period that UE DTX cycle 2 is activated in the back;
Under a TDD option, increase MAC Inactivity Threshold cell, its type is an enumeration type, and scope is several subframes, is used to identify the startup E-DCH required stand-by period of inactive state, promptly pass through this section after the period, U E can only at the appointed time begin the E-DCH transmission;
Increase CQI DTX Timer cell under a TDD option, its type is an enumeration type, and scope be several subframes, is used for sign during receive HS-DSCH transmission a beginning timing so far, and CQI reports and has precedence over DTX and operate;
Increasing in the DRX information cell of DTX-DRX information cell has the 2nd TDD option, and the TDD option of this DRX is used to enable following cell:
Increase UE DRX cycle cell under the 2nd TDD option, its type is an enumeration type, and scope is several subframes, is used to identify the time interval that UE intercepts HS-SCCH or HS-PDSCH, and promptly how long UE intercepts HS-SCCH or blind check at interval and receive HS-PDSCH;
Under the 2nd TDD option, increase Inactivity Threshold for UE DRX cycle cell, its type is an enumeration type, scope is several E-DCH TTI, be used to identify downlink transfer and finish the back activation required stand-by period of DRX, UE still need intercept HS-SCCH or blind check continuously and receive HS-PDSCH during this period.
DTX-DRX information cell in the above-mentioned TD-HSPA system, wherein, the UE DRX cycle cell in UE DTX cycle 1 cell in the TDD option, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option value and the non-scheduling repetition period of being disposed are complementary.
DTX-DRX information cell in the above-mentioned TD-HSPA system, wherein, the value that UE DRX cycle cell in UE DTX cycle 1 cell in the one TDD option, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option is disposed directly is configured to the integral multiple of non-scheduling repetition period, with the non-scheduling repetition period be unit.
DTX-DRX information cell in the above-mentioned TD-HSPA system, wherein, the value that UE DRX cycle cell in UE DTX cycle 1 cell in the one TDD option, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option is disposed is unit with the subframe, and concrete numerical value can be selected the value of non-scheduling repetition period integral multiple.
The present invention has also disclosed the DTX-DRX timing information cell in a kind of TD-HSPA system, be used to make UE can determine the DTX-DRX information of presetting, this DTX-DRX timing information cell is to expand on the basis of the DTX-DRX of FDD system timing information cell:
The 3rd TDD option is used to enable following cell:
Increase Enabling Delay cell in the 3rd TDD option, its type is an enumeration type, and scope is several subframes, is used to identify enable the new required stand-by period of DTX-DRX time sequential routine pattern UE;
Increase UE DTX DRX Offset cell in the 3rd TDD option, its type is an integer type, and scope is 0 to 63 subframe, is used to identify DTX on the given TTI and the time migration of DRX.
The present invention has disclosed the processing method of the up DTX operation in a kind of TD-HSPA system in addition, by above-mentioned DTX-DRX information cell and DTX-DRX timing information cell, makes U E have complete DTX-DRX presupposed information, and this processing method comprises:
(1) on current non-scheduling resource, judged whether transfer of data,, otherwise changed step (3) over to if transfer of data is arranged then enter step (2);
(2) at the non-scheduling resource transmitting data, be made as the value of UE DTX cycle 1 cell under the TDD option in this DTX-DRX information unit the DTX cycle, and the non-running threshold counter DTX_Cycle_2_N in DTX cycle 2 is set to the value of Inactivity Threshold for UE DTX cycle 2 cells under the TDD option in this DTX-DRX information unit, and flow process finishes;
(3) judge whether current DTX_Cycle_2_N is 0,, otherwise current DTX_Cycle_2_N is subtracted 1 if be 0 then the DTX cycle is made as the value of UE DTX cycle 2 cells under the TDD option in this DTX-DRX information unit;
(4) judge whether current non-scheduling resource is positioned at the DTX pattern, if be positioned at the DTX pattern then on non-scheduling resource, launch E-PUCH, bear control information and non-carry data information or carry specific data message be not if be positioned at the DTX pattern then do not launch on current non-scheduling resource.
The present invention has disclosed the processing method of the descending DRX operation in a kind of TD-HSPA system in addition, by above-mentioned DTX-DRX information cell and DTX-DRX timing information cell, makes UE have complete DTX-DRX presupposed information, and this processing method comprises:
(1) follows the emission of HS-SCCH or do not follow the HS-PDSCH emission process of the HS-SCCHLess operation of HS-SCCH;
(2) intercept HS-SCCH or blind check reception HS-PDSCH according to the DRX pattern;
(3) judge whether the HS-SCCH that receives is one's own HS-SCCH, if then change step (4) over to, otherwise the HS-PDSCH blind check receiving course that carries out HS-SCCH Less operation;
(4) judge whether the HS-SCCH that receives is HS-SCCH order, if HS-SCCH order is then according to the indication activation DTX-DRX of HS-SCCH order, and carry out the ACK feedback, then carry out HS-PDSCH scheduling receiving course if not HS-SCCH order according to the indication of HS-SCCH.
The present invention contrasts prior art following beneficial effect: in the DTX-DRX of TD-HSPA operation, the cycle of DTX should be complementary with the up non-scheduling resource repetition period, DRX cycle and DTX cycle mate, avoid the DTX-DRX mechanism failure, the maintenance system uplink is synchronous and power control is normal, reduces the UE power consumption.In addition, in DTX-DRX information cell and DTX-DRX timing information cell, increase the TDD option and carry out the required cell of DTX-DRX, make UE have complete DTX-DRX presupposed information.
Description of drawings
Fig. 1 be existing FDD system be the uplink schematic diagram of example with 2ms TTI.
Fig. 2 be existing FDD system be the up DTX transmission schematic diagram of example with 2ms TTI.
Fig. 3 is the schematic diagram of non-scheduled transmission in the existing TDD system.
Fig. 4 is the flow chart of the preferred embodiment of up DTX operation processing method in the TDD of the present invention system.
Fig. 5 is the schematic diagram of the embodiment of up DTX transmission in the TDD of the present invention system.
Fig. 6 is the flow chart of the preferred embodiment of descending DRX operation processing method in the TDD of the present invention system.
Fig. 7 is the schematic diagram of the embodiment of descending DRX transmission in the TDD of the present invention system.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
In order in the TDD system, to introduce the DTX-DRX operation, make UE can determine the DTX-DRX confidence of presetting, need expand DTX-DRX information cell (DTX-DRX information IE) and DTX-DRX timing information cell (DTX-DRX timing information IE).
For the embodiment of DTX-DRX information cell, be on the basis of the DTX-DRX information cell of the FDD of aforementioned table 3 system, to expand.Concrete expansion thes contents are as follows:
In the DTX information cell of DTX-DRX information cell, increase the TDD option, this TDD option is used to enable following cell: (1) increases the UE DTX cycle1 cell in expression terminal D TX operation cycle 1 under the TDD option, type is an enumeration type, scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle1 activation; (2) increase the UE DTX cycle2 cell of representing the terminal D TX operation cycle 2 under the TDD option, type is an enumeration type, and scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle2 activation; (3) increase MAC DTX cycle cell under the TDD option, type is an enumeration type, and scope is several subframes, is used to identify the pattern that inactive state allows the up E-DCH transmission in back original position; (4) increase Inacitivity Threshold for UEDTX cycle2 cell under the TDD option, type is an enumeration type, and scope is several E-DCH TTI, is used to identify transmitting uplink data and finishes the stand-by period that UE DTX cycle2 is activated in the back; (5) under the TDD option, increase MAC Inactivity Threshold cell, type is an enumeration type, and scope is several subframes, is used to identify the startup E-DCH required stand-by period of inactive state, promptly pass through this section after the period, UE can only at the appointed time begin the E-DCH transmission; (6) under the TDD option, increase CQI DTX Timer cell, type is an enumeration type, and scope is several subframes, is used for sign during receive HS-DSCH transmission beginning timing so far, CQI reports and has precedence over the DTX operation, promptly transmits according to normal CQI pattern during this period.
In the DRX information cell of DTX-DRX information cell, increase another TDD option, and enable following cell: (1) is under this TDD option, increase UE DRX cycle cell, type is an enumeration type, scope is several subframes, be used to identify HS-SCCH or HS-PDSCH (during HS-SCCH Less, not following HS-SCCH this moment) and receive pattern, promptly how long UE intercepts HS-SCCH or blind check at interval and receives HS-PDSCH; (2) under this TDD option, increase Inactivity Threshold for UE DRX cycle cell, type is an enumeration type, scope is several E-DCH TTI, be used to identify downlink transfer and finish the back activation required stand-by period of DRX, UE still need intercept HS-SCCH or blind check continuously and receive HS-PDSCH during this period.
It should be noted that UE DTX cycle 1 cell (DTX cycle 1), UE DTX cycle 2 cells (DTX cycle 2), MAC DTX cycle cell (the DTX cycle of E-DCH transmission) and UE DRX cycle (DRX cycle) value that cell disposed and non-scheduling repetition period in these two TDD options are complementary.
Can realize above-mentioned coupling in different ways, such as:
(1) value that disposed of UE DTX cycle 1 cell in these two TDD options, UE DTX cycle 2 cells, MAC DTX cycle cell and UE DRX cycle cell directly is configured to the integral multiple of non-scheduling repetition period, with the non-scheduling repetition period be unit;
(2) value that disposed of UE DTX cycle 1 cell in these two TDD options, UE DTX cycle 2 cells, MAC DTX cycle cell and UE DRX cycle cell is unit with the subframe, and concrete numerical value can be selected the value of non-scheduling repetition period integral multiple.
Top dual mode can achieve the goal, and what the table 5 of present embodiment adopted is mode (2).
Table 5DTX-DRX information cell
In addition, for the embodiment of DTX-DRX timing information cell, be on the basis of the DTX-DRX timing of the FDD of aforementioned table 4 system information cell, to expand.Concrete expansion thes contents are as follows:
Increase the TDD option, be used for enabling following cell: (1) increases the EnablingDelay cell at the TDD option, and type is an enumeration type, and scope is several subframes, is used to identify enable the new required stand-by period of DTX-DRX time sequential routine pattern UE; (2) increase UE DTX DRX Offset cell in the TDD option, type is an integer type, and scope is 0 to 63 subframe, is used to identify DTX on the given TTI and the time migration of DRX.
Table 6DTX-DRX timing information cell
The type of each IE can also be set to other different numerical value with reference value in table 5 and the table 6, is specifically arranged by system.
The standard code of the implication of DTX_DRX_PARAMS and DTX_DRX_STATUS and existing FDD system is consistent, does not need just to make an amendment can be introduced directly in the TDD system.
Fig. 4 shows the preferred embodiment of the processing method of the up DTX operation in the TD-HSPA system.This processing method makes UE have complete DTX-DRX presupposed information by above-mentioned DTX-DRX information cell and DTX-DRX timing information cell.UL_DTX_Active in the TD-HSPA system (the actuator-activated parameter of up DTX) is TRUE (very), establishing the DTX cycle when the last time when non-data dispatching uplink finishes is UE DTX cycle 1, and DTX_Cycle_2_N (non-running threshold counter of DTX cycles 2) is changed to Inactivity Thresholdfor UE DTX cycle 2.The concrete steps of this processing method are as follows.
Step S400:UE has judged whether transfer of data on current non-scheduling resource, if transfer of data is arranged then change step S401 over to, if do not have transfer of data then change step S402 over to.
Step S401: at the non-scheduling resource transmitting data, the DTX cycle is made as UE DTX cycle1, and DTX_Cycle_2_N is changed to Inactivity Threshold for UE DTX cycle 2, flow process finishes.
Step S402:UE judges whether current DTX_Cycle_2_N equals 0, if equal 0 then change step S403 over to, if be not equal to 0 then change step S404 over to.
Step S403: the DTX cycle is made as UE DTX cycle 2, changes step S405 over to.
Step S404: change step S405 over to after current DTX_Cycle_2_N subtracted 1.
Step S405:UE judges whether current non-scheduling resource is positioned at the DTX pattern, if be positioned at the DTX pattern then change step S406 over to, if be not positioned at the DTX pattern then change step S407 over to.
Step S406: the special E-PUCH of emission on non-scheduling resource (bear control information and non-carry data information is perhaps carried special data message), flow process finishes.
Step S407: do not launch on the current non-scheduling resource, flow process finishes.
Fig. 5 is the schematic diagram of DTX transmission in the TD system, wherein
The subframe of representative transmission data,
Representative is transmitted the resource of non-scheduling E-PUCH according to the DTX pattern,
The non-scheduling E-PUCH resource of representative transmission data,
The information subframe of (comprising data message and control information) is not transmitted in representative,
The non-scheduling E-PUCH resource of information (comprising data message and control information) is not transmitted in representative.As seen from the figure, the repetition period of the non-scheduling E-PUCH of present embodiment is 2 subframes, and repeat length is 1 subframe; The DTX cycle 1 of non-scheduling E-PUCH is 4 subframes, 2 times of promptly non-scheduling E-PUCH repetition period, and the DTX cycle 2 is 8 subframes, 4 times of promptly non-scheduling E-PUCH repetition period; The non-running threshold InactivityThreshold for UE DTX cycle 2 that enters the DTX cycle 2 is 4 subframes.When the E-DCH transfer of data, data message and control information are launched on non-scheduling E-PUCH; When not having the E-DCH transfer of data, control information is launched on non-scheduling E-PUCH according to the DTX pattern; When the number of sub frames that does not have the E-DCH transfer of data surpasses Inactivity Threshold for UE DTX cycle 2, promptly during 4 subframes, the DTX pattern enters the DTX cycle 2; And when the E-DCH transfer of data, data message and control information are launched on non-scheduling E-PUCH again, and the DTX pattern withdraws from the DTX cycle 2.
Fig. 6 shows the preferred embodiment of the processing method of the descending DRX operation in the TD-HSPA system.This processing method makes UE have complete DTX-DRX presupposed information by above-mentioned DTX-DRX information cell and DTX-DRX timing information cell.Seeing also Fig. 6, is the detailed description to each step in this processing method below.
Step S600: Node B is followed the emission of HS-SCCH or is not followed the HS-PDSCH emission process of the HS-SCCH Less process of HS-SCCH.
Step S601:UE intercepts HS-SCCH according to the DRX pattern or blind check receives HS-PDSCH.
Step S602:UE judges whether to receive one's own HS-SCCH, if, then change step S603 over to, if not, then change step S606 over to.
Step S603:UE judges whether the HS-SCCH that receives is HS-SCCH order (HS-SCCH order), if HS-SCCH order then changes step S604 over to, then changes step S605 over to if not HS-SCCH order.
Step S604:UE is according to the indication activation DTX-DRX of HS-SCCH order, and carries out the ACK feedback, finishes.
Step S605:UE carries out HS-PDSCH scheduling receiving course according to the indication of HS-SCCH, finishes.
Step S606:UE carries out the HS-PDSCH blind check receiving course of HS-SCCH Less operation, finishes.
Fig. 7 shows the signal of DRX transmission in the TD system, wherein
The subframe of representative transmission data,
Representative is intercepted the subframe of HS-SCCH or HS-PDSCH according to the DRX pattern,
Representative must be intercepted the subframe of HS-SCCH or HS-PDSCH continuously,
Representative is not transmitted the subframe of information or is not intercepted the subframe of HS-SCCH,
Representative activates DRX in the required stand-by period behind descending activity end, UE still need intercept the subframe that HS-SCCH or blind check receive HS-PDSCH (during HS-SCCH Less) continuously.As seen from the figure, the cycle of DRX is 2 subframes in the present embodiment, equates with the cycle 1 of DTX; It is 2 subframes that downlink transfer finishes to the non-running threshold Inactivity Threshold for UE DRX cycle that enters DRX, be that downlink transfer finished up to Inactivity Threshold for UE DRX cycle sub-image duration, UE still intercepts the HS-PDSCH blind check reception that HS-SCCH or blind check receive HS-SCCH Less operation continuously, if do not receive the HS-SCCH or the HS-PDSCH that belong to UE oneself during this period, then next Node B and UE begin to carry out DRX and transmit and receive process, promptly receive and dispatch on the DRX pattern.
In the processing of the DTX-DRX of above-mentioned TD-HSPA operation, the cycle of DTX should be complementary with the up non-scheduling resource repetition period, and DRX cycle and DTX cycle mate, and avoid the DTX-DRX mechanism failure, the maintenance system uplink is synchronous and power control is normal, reduces the UE power consumption.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (7)
1, the DTX-DRX information cell in a kind of TD-HSPA system is used to make UE can determine the DTX-DRX information of presetting, and this DTX-DRX information cell is to expand on the basis of the DTX-DRX of FDD system information cell:
Increasing in the DTX information cell of DTX-DRX information cell has a TDD option, and a TDD option is used to enable following cell:
Increase UE DTX cycle 1 cell under a TDD option, its type is an enumeration type, and scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle 1 activation;
Increase UE DTX cycles 2 cell under a TDD option, its type is an enumeration type, and scope is several subframes, the transmission cycle of up E-PUCH when being used to identify UE DTX cycle 2 activation;
Increase MAC DTX cycle cell under a TDD option, its type is an enumeration type, and scope is several subframes, is used to identify the pattern that inactive state allows the up E-DCH transmission in back original position;
Increase Inactivity Threshold for UE DTX cycles 2 cell under a TDD option, its type is an enumeration type, and scope is several E-DCH TTI, is used to identify transmitting uplink data and finishes the stand-by period that UE DTX cycle 2 is activated in the back;
Under a TDD option, increase MAC Inactivity Threshold cell, its type is an enumeration type, and scope is several subframes, is used to identify the startup E-DCH required stand-by period of inactive state, promptly pass through this section after the period, UE can only at the appointed time begin the E-DCH transmission;
Increase CQI DTX Timer cell under a TDD option, its type is an enumeration type, and scope be several subframes, is used for sign during receive HS-DSCH transmission a beginning timing so far, and CQI reports and has precedence over DTX and operate;
Increasing in the DRX information cell of DTX-DRX information cell has the 2nd TDD option, and the TDD option of this DRX is used to enable following cell:
Increase UE DRX cycle cell under the 2nd TDD option, its type is an enumeration type, and scope is several subframes, is used to identify the time interval that UE intercepts HS-SCCH or HS-PDSCH, and promptly how long UE intercepts HS-SCCH or blind check at interval and receive HS-PDSCH;
Under the 2nd TDD option, increase Inactivity Threshold for UE DRX cycle cell, its type is an enumeration type, scope is several E-DCH TTI, be used to identify downlink transfer and finish the back activation required stand-by period of DRX, UE still need intercept HS-SCCH or blind check continuously and receive HS-PDSCH during this period.
2, the DTX-DRX information cell in the TD-HSPA according to claim 1 system, it is characterized in that value and non-scheduling repetition period that the UE DRX cycle cell in UE DTX cycle 1 cell in the TDD option, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option is disposed are complementary.
3, the DTX-DRX information cell in the TD-HSPA according to claim 2 system, it is characterized in that, the value that UE DRX cycle cell in U E DTX cycle 1 cell, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option in the one TDD option is disposed directly is configured to the integral multiple of non-scheduling repetition period, with the non-scheduling repetition period be unit.
4, the DTX-DRX information cell in the TD-HSPA according to claim 2 system, it is characterized in that, the value that UE DRX cycle cell in UE DTX cycle 1 cell in the one TDD option, UE DTX cycles 2 cell, MAC DTX cycle cell and the 2nd TDD option is disposed is unit with the subframe, and concrete numerical value can be selected the value of non-scheduling repetition period integral multiple.
5, the DTX-DRX timing information cell in a kind of TD-HSPA system is used to make UE can determine the DTX-DRX information of presetting, and this DTX-DRX timing information cell is to expand on the basis of the DTX-DRX of FDD system timing information cell:
The 3rd TDD option is used to enable following cell:
Increase Enabling Delay cell in the 3rd TDD option, its type is an enumeration type, and scope is several subframes, is used to identify enable the new required stand-by period of DTX-DRX time sequential routine pattern UE;
Increase UE DTX DRX Offset cell in the 3rd TDD option, its type is an integer type, and scope is 0 to 63 subframe, is used to identify DTX on the given TTI and the time migration of DRX.
6, the processing method of the up DTX operation in a kind of TD-HSPA system, by DTX-DRX information cell as claimed in claim 1 and DTX-DRXtiming information cell as claimed in claim 5, make UE have complete DTX-DRX presupposed information, this processing method comprises:
(1) on current non-scheduling resource, judged whether transfer of data,, otherwise changed step (3) over to if transfer of data is arranged then enter step (2);
(2) at the non-scheduling resource transmitting data, be made as the value of UE DTX cycle 1 cell under the TDD option in this DTX-DRX information unit the DTX cycle, and the non-running threshold counter DTX_Cycle_2_N in DTX cycle 2 is set to the value of Inactivity Threshold for UE DTX cycle 2 cells under the TDD option in this DTX-DRX information unit, and flow process finishes;
(3) judge whether current DTX_Cycle_2_N is 0,, otherwise current DTX_Cycle_2_N is subtracted 1 if be 0 then the DTX cycle is made as the value of UE DTX cycle 2 cells under the TDD option in this DTX-DRX information unit;
(4) judge whether current non-scheduling resource is positioned at the DTX pattern, if be positioned at the DTX pattern then on non-scheduling resource, launch E-PUCH, bear control information and non-carry data information or carry specific data message be not if be positioned at the DTX pattern then do not launch on current non-scheduling resource.
7, the processing method of the descending DRX operation in a kind of TD-HSPA system, by DTX-DRX information cell as claimed in claim 1 and DTX-DRXti ming information cell as claimed in claim 5, make UE have complete DTX-DRX presupposed information, this processing method comprises:
(1) follows the emission of HS-SCCH or do not follow the HS-PDSCH emission process of the HS-SCCHLess operation of HS-SCCH;
(2) intercept HS-SCCH or blind check reception HS-PDSCH according to the DRX pattern;
(3) judge whether the HS-SCCH that receives is one's own HS-SCCH, if then change step (4) over to, otherwise the HS-PDSCH blind check receiving course that carries out HS-SCCH Less operation;
(4) judge whether the HS-SCCH that receives is HS-SCCH order, if HS-SCCH order is then according to the indication activation DTX-DRX of HS-SCCH order, and carry out the ACK feedback, then carry out HS-PDSCH scheduling receiving course if not HS-SCCH order according to the indication of HS-SCCH.
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| CN104010368A (en) * | 2013-02-21 | 2014-08-27 | 中兴通讯股份有限公司 | TDD configuration update method, apparatus and system |
| WO2014190933A1 (en) * | 2013-05-31 | 2014-12-04 | 华为技术有限公司 | Activation state processing method and device |
| WO2014198170A1 (en) * | 2013-06-09 | 2014-12-18 | 华为技术有限公司 | Method and device for determining ue activation time |
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| CN101179825B (en) * | 2006-11-08 | 2010-09-29 | 华为技术有限公司 | Uplink non-continuous transmission processing method, terminal, base station and system |
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| WO2014190933A1 (en) * | 2013-05-31 | 2014-12-04 | 华为技术有限公司 | Activation state processing method and device |
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| CN105323854A (en) * | 2014-08-03 | 2016-02-10 | 上海朗帛通信技术有限公司 | Method and device for avoiding LAA interference |
| CN105323854B (en) * | 2014-08-03 | 2019-09-06 | 上海朗帛通信技术有限公司 | A kind of method and apparatus that LAA interference avoids |
| WO2018098897A1 (en) * | 2016-12-01 | 2018-06-07 | 广东欧珀移动通信有限公司 | Discontinuous reception method and apparatus |
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