CN103491640B - The dispatching method of terminal unit and equipment - Google Patents
The dispatching method of terminal unit and equipment Download PDFInfo
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- CN103491640B CN103491640B CN201210193625.5A CN201210193625A CN103491640B CN 103491640 B CN103491640 B CN 103491640B CN 201210193625 A CN201210193625 A CN 201210193625A CN 103491640 B CN103491640 B CN 103491640B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The embodiment of the invention discloses dispatching method and the equipment of a kind of terminal unit, relate to wireless communication technology field, for the problem solving how to realize scheduling scheme based on group.In the present invention, after each terminal unit that the RNTI being used for schedule data transmission joined for component is sent in this group by access network equipment, the schedule information of mark in group that send use this RNTI scrambling to the terminal unit needing scheduling, that comprise this terminal unit, the schedule information of mark in group that the detection of this terminal unit uses this RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.Visible, this programme achieves scheduling scheme based on group.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to dispatching method and the equipment of a kind of terminal unit.
Background technology
At present in Long Term Evolution (LTE) system, Physical Downlink Control Channel (PDCCH) bearing downlink controls information (DCI), wherein can comprise the descending and schedule information of transmitting uplink data and uplink power control information.According to purposes and the difference of information content, current standard gives 13 kinds of DCI format (format), is specifically shown in Table 1.
Wherein the bit length of every kind of DCI format is to configure two antenna ports according to 20MHz system bandwidth and base station to calculate gained.Part DCI format length is relevant to number of antennas and system bandwidth.
| DCI format type | DCI length (bit) | DCI purposes |
| DCI format 0 | 31 | PUSCH dispatches |
| DCI format 1 | 42 | Single codeword PDSCH is dispatched |
| DCI format 1A | 31 | The PDSCH scheduling of compact mode |
| DCI format 1B | 33 | There is the compact mode single codeword PDSCH scheduling that precoding information indicates |
| DCI format 1C | 15 | The single codeword PDSCH scheduling of more compact pattern |
| DCI format 1D | 33 | The PDSCH scheduling of MU-MIMO pattern |
| DCI format 2 | 54 | Dicode word PDSCH scheduling under Closed-Loop Spatial Multiplexing pattern |
| DCI format 2A | 51 | Dicode word PDSCH scheduling under Open-Loop Spatial Multiplexing pattern |
| DCI format 2B | 51 | The PDSCH scheduling of double-deck transmission or single antenna port |
| DCI format 2C | 53 | 8 layers of transmission PDSCH scheduling |
| DCI format 3 | 31 | Multi-user's power controls signaling instruction (every user 2bit) |
| DCI format 3A | 31 | Multi-user's power controls signaling instruction (every user 1bit) |
| DCI format 4 | 42 | One uplink cells PUSCH scheduling of multi-antenna port transmission mode |
Table 1
At version 10(Release10) in, being described as follows of every kind of concrete DCI format:
Such as table 2 below, the control information that DCIformat0 prevailing transmission is relevant with Physical Uplink Shared Channel (PhysicalUplinkSharedChannel, PUSCH) scheduling.The information bit of DCIFormat0 should be identical with Format1A information bit, if fewer than the information bit of Format1A, then tackles the information bit zero padding of Format0.
Table 2
Control information as shown in table 3 below, that DCIformat1 prevailing transmission is relevant to descending scheduling.Can be used for single port 0, single port 5 and launch diversity mode.The transmission mode configured by antenna port number and wireless heterogeneous networks (RRC) is made a distinction.The differentiation of DCIformat1/1A is carried out by DCI length.
Table 3
If the information bit number of Format1 is consistent with Format0/1A, need to fill 1 bit " 0 ".If the information bit number of Format1 is blurred length (ambiguoussize), terminal (UE) can be caused when PDCCH does blind check may uniquely to determine the original position of a polymerization grade (CCE).So needing these information bits are carried out zero padding operation so that it is length is not belonging to blurred length, and meets different with Format0/1A information bit number simultaneously.These blurred lengths are { 12,14,16,20,24,26,32,40,44,56} bit.
DCIformat1A is mainly used in transmitting the control information that descending scheduling is relevant, supports issuing of Stochastic accessing instruction simultaneously.DCIformat1A is only used for single port 0 or transmission diversity, and the port number configured by system would know that Multiinputoutput (MIMO) mode taked.
The information bit of Format1A with Format0 should be consistent, if fewer than the information bit of Format0, it should the information bit zero padding to Format1A.
The same Format1 of process for the fuzzy bit in Format1A.
DCIformat1A may be used for:
Application scenarios 1: use the instruction of the Physical Downlink Shared Channel (PDSCH) of the single codeword of compact mode scheduling.
Application scenarios 2: the scheduling of public information, its cyclic redundancy check (CRC) code is by random access radio network temporary mark (RA-RNTI, pager wireless net network temporary mark (P-RNTI), or system information Radio Network Temporary Identifier (SI-RNTI) scrambling.
Application scenarios 3: for by the order of PDCCH initiating random access procedure.
Bit length and implication that the Format1A information field when application scenarios 1 is corresponding are as shown in table 4.
Table 4
Bit length and implication that the Format1A information field when application scenarios 2 is corresponding are as shown in table 5.
Table 5
Bit length and implication that the Format1A information field when application scenarios 3 is corresponding are as shown in table 6.
Table 6
The transmission instruction of the PDSCH of the DCIformat1B single codeword using precoding under compact mode.The same Format1 of process for the fuzzy bit in Format1B.
Such as table 7 below, DCIformat1B includes two territories relevant with MIMO method: for TPMI information (TPMIinformationforprecoding) and pre-coding matrix instruction (PMI) acknowledgement bit (PMIconfirmationforprecoding) of precoding.TPMI information is for indicating the code book index of single layer transmission.If PMI acknowledgement bit is 0, represent that base station precoding uses the precoding vector of TPMI territory instruction；If PMI acknowledgement bit is 1, then it represents that use the up-to-date PMI information that PUSCH channel reports.
Table 7
DCIformat1C is the scheduling of the PDSCH of single codeword under more compact pattern, is mainly used in dispatching common control information.
Format1C uses its special resource allocation type 2, only supports that the mode of distributed (distributed) is transmitted, and the most maximum transport block size (TBS) is 1736.
Table 8
The scheduling of the PDSCH of single codeword that is that DCIformat1D is used for the employing precoding of compact mode and that carry power excursion, is mainly used in the scheduling of multi-user's Multiinputoutput (MU-MIMO).Format1D uses its special resource allocation type 2, the same Format1 of process of the fuzzy bit in Format1D.
DCIformat1D is mainly used in downlink multi-user scheduling.Such as table 9 below, including two territories relevant with MIMO hairdo: for TPMI information and descending power skew bit (Downlinkpoweroffset) of precoding.TPMI information function is identical with DCIformat1B, for indicating the code book index of single layer transmission.Descending power skew bit is mainly used in quickly indicating the power excursion of user, is to represent skew-10log when 0102dB, is to represent skew 0dB (not offseting) when 1.
Table 9
Format2 uses its special resource allocation type 0/1, and Format2 can be used for dispatching the transmission of a code word, the most only detects the information in a code word region.The same Format1 of process of the fuzzy bit of Format2.
The transmission instruction of DCIformat2 PDSCH in the case of the Closed-Loop Spatial Multiplexing of dicode word.As shown in table 10 below, including two territories relevant with MIMO method: transmission block code word exchange Warning Mark (Transportblocktocodewordswapflag) and precoding information (Precodinginformation).Transmission block code word exchange Warning Mark is for indicating the mapping relations between transmission block and code word.
Precoding information territory is for indicating the information such as the MIMO method of employing, precoder.Under 2 port case, precoding information uses 3 bits；Under 4 port case, precoding information uses 6 bits.
Table 10
Format2A uses its special resource allocation type 0/1, and Format2A can be used for dispatching the transmission of a code word, the most only detects the information in a code word region.The same Format1 of process of the fuzzy bit of Format2A.
The transmission instruction of DCIformat2A PDSCH in the case of the Open-Loop Spatial Multiplexing of dicode word.As shown in table 11 below, including two territories relevant with MIMO method: transmission block to code word exchange identification (Transportblocktocodewordswapflag) and precoding information (Precodinginformation).The implication of transmission block code word exchange Warning Mark is identical with DCIformat2.For 2 ports, not having precoding information, precoding information is 0 bit in other words.If code word is 2, use two layer of space multiplexing；If code word is 1, uses and launch diversity mode.For 4 ports, precoding information uses 2 bit instructions.
Table 11
As shown in table 12, the transmission instruction of DCIformat2B PDSCH in the case of strengthening stream transmission.Supported bilayer transmits: port 7 and 8, or, support single antenna port: port 7 or port 8.
Table 12
As shown in table 13, DCIformat2C supports 8 layers of transmission, the PDSCH scheduling of port 7-14.
Table 13
As shown in table 14, DCIformat3 is for the TPC command (command) of PUCCH and the PUSCH group of transmission one group employing 2bit-TPC.
The length of Format3 is equal with the information bit length after Format0 bit padding.
Table 14
As shown in Table 15, DCIformat3A is mainly used in transmitted bit power control instruction, by the power control information of 1 bit one user of carrying.
Table 15
As shown in table 16, DCIFormat4 is for the scheduling of a uplink cells PUSCH of multi-antenna port transmission mode.
Table 16
At present, in UMTS (UMTS), transmit down dispatch information by the shared control channel (SharedControlChannelforHS-DSCH, HS-SCCH) of high speed descending sharing channel.The type (type) of HS-SCCH specifically includes that HS-SCCHtype1, HS-SCCHtype2, HS-SCCHtype3, HS-SCCHtype4, HS-SCCHtype5, HS-SCCHtype6, HS-SCCHtype7, HS-SCCHtype8 and HS-SCCHtype9.
HS-SCCHtype1 is the structure that conventional high rate downlink grouped accesses that (HSDPA) dispatches.This type is applied to be configured without MIMO and when variable high-speed DSCH Downlink Shared Channel half state (continuous dispatching HS_DSCH_SPS_STATUS) is false (FALSE).Its structure is as shown in Figure 1.Wherein, CCS is channelization code set, and TS is time slot, and MOD is modulation system, and TBS is transport block size, and HAP is HARQ process, and RV is redundancy versions, and NDI is new data instruction, and HCSN is HS-SCCH cyclic sequence number.
HS-SCCHtype2 is the semi-continuous scheduling for CPC.The condition of this type application is: it is true (TRUE) that UE is configured without in MIMO mode but variable HS_DSCH_SPS_STATUS；Or UE is arranged in MIMO mode and variable HS_DSCH_SPS_STATUS is TRUE and MIMOSFmodeforHS-PDSCHdualstream is SF1.Shown in the structure chart 2 of HS-SCCHtype2.Wherein, RRPI is the instruction of resource repetitions patterns.
HS-SCCHtype3 is the re-transmission for CPC.The condition of this type application is: it is TRUE that UE is configured without in MIMO mode but variable HS_DSCH_SPS_STATUS；Or UE is arranged in MIMO mode and variable HS_DSCH_SPS_STATUS is TRUE and MIMOSFmodeforHS-PDSCHdualstream is SF1.The structure of HS-SCCHtype3 is as shown in Figure 3.
HS-SCCHtype4 is used for single-stream transmission, and use condition is: configure in the mimo mode, and double fluid only supports SF=1 transmission.The structure of HS-SCCHtype4 is as shown in Figure 4.
HS-SCCHtype5 is used for stream transmission, and use condition is: configure in the mimo mode, and double fluid only supports SF=1 transmission.The structure of HS-SCCHtype5 is as shown in Figure 5.
HS-SCCHtype6 is the semi-continuous scheduling for CPC.The condition of this type application is: it is TRUE that UE is configured without in MIMO mode but variable HS_DSCH_SPS_STATUS；Or UE is arranged in MIMO mode and variable HS_DSCH_SPS_STATUS is TRUE and MIMOSFmodeforHS-PDSCHdualstream is SF1/SF16.The structure of HS-SCCHtype6 is as shown in Figure 6.Wherein, Flag is mark, and startcode is initial code, and stopcode is stop code, and reserved is reserved.
HS-SCCHtype7 is the re-transmission for CPC.The condition of this type application is: it is TRUE that UE is configured without in MIMO mode but variable HS_DSCH_SPS_STATUS；Or UE is arranged in MIMO mode and variable HS_DSCH_SPS_STATUS is TRUE and MIMOSFmodeforHS-PDSCHdualstream is SF1/SF16.The structure of HS-SCCHtype7 is as shown in Figure 7.Wherein, PTR is the pointer pointing to previous transmission.
HS-SCCHtype8 is used for single-stream transmission, and use condition is: configure in the mimo mode, and double fluid not only supports SF=1 but also support the transmission of SF=16.The structure of HS-SCCHtype8 is illustrated in fig. 8 shown below.Wherein, Typeflag is type identification, and fieldflag is domain identifier, and specialinformation is specific information.
HS-SCCHtype9 is used for stream transmission, and use condition is: configure in the mimo mode, and double fluid not only supports SF=1 but also support the transmission of SF=16.The structure of HS-SCCHtype9 is illustrated in fig. 9 shown below.
At present, in general UMTS, by insertion authority channel (Enhanced-AccessGrantCHannel, E-AGCH) the transmission uplink scheduling information strengthened.The type of E-AGCH includes: E-AGCHtype1 and E-AGCHtype2.
The structure that the high-speed packet multi-upstream access (HSUPA) that E-AGCHtype1 is traditional is dispatched.This type was applied to when half state continuous dispatching (E_DCH_SPS_STATUS) of the dedicated channel that variable strengthens is FALSE when.Its structure is as shown in Figure 10.Wherein, PRRI is power resource relevant information, and CRRI is code channel resource relevant information, and TRRI is time interval resource relevant information, and ECSN is E-AGCH cyclic sequence number, and RDI is resource continuous instruction, and EI is E-HICH instruction, and ENI is the instruction of E-UCCH number.
If introducing MU-MIMO, then need to change the condition of E-AGCHtype1 application, i.e. the condition that E-AGCHtype1 uses is: variable E_DCH_SPS_STATUS is FALSE and UE is not configured in MU-MIMO pattern.
The current use condition of E-AGCHtype2 be variable E_DCH_SPS_STATUS be TRUE.Its structure is as shown in figure 11.
Machine type communication (Machine-typecommunication, MTC) as a kind of novel communication theory, its objective is to organically combine the communication technology of number of different types, as: machine-to-machine communication, apparatus control communication, man-machine interaction communication, mobile interchange communication, thus promote the development of social production and life style.The business of anticipated following Human To Human's communication may only account for the 1/3 of whole terminal market, and greater amount of communication is MTC communication business.Sometimes, MTC communication is also called machinery compartment (Machine-to-machine, M2M) communication or Internet of Things.
Current mobile communications network is for interpersonal communication scheme, such as: the determination etc. of network capacity.The mechanism of mobile communication system is optimized by the feature being it desired to utilize mobile communications network to be accomplished by according to MTC communication to support MTC communication, so as in the case of not being subject to traditional person to person's communication or be subject to less impact, MTC communication is better achieved.
The MTC communication Some features that may be present being currently recognized that has: MTC device has Hypomobility；The time that MTC device and network side carry out data transmission is controlled；The data transmission that MTC network and network side are carried out is the highest to requirement of real-time to data transmission, it may be assumed that have time tolerance；MTC device energy constraint, it is desirable to extremely low power consumption；The information transmission of small data quantity is only carried out between MTC device and network side；MTC device can be managed in units of group；Etc..
One actual MTC device can have above-mentioned one or more features.
Introduction according to foregoing Background, prior art is both for single terminal be scheduling, network needs for the single RNTI of each terminal distribution for distinguishing the terminal of scheduling, addition along with MTC application, the sharp increase of terminal quantity, group application becomes and solves the method that great amount of terminals accesses in network, and how being scheduling group is wherein the key link, but there is presently no the implementation method of scheduling based on group.
Summary of the invention
The embodiment of the present invention provides dispatching method and the equipment of a kind of terminal unit, for the problem solving how to realize scheduling scheme based on group.
The dispatching method of a kind of terminal unit, is applied in the communication plan comprising the group of multiple terminal unit, and the method includes:
The Radio Network Temporary Identifier RNTI being used for schedule data transmission that access network equipment will be joined for this component, each terminal unit being sent in this group；
The access network equipment terminal unit needing scheduling in this group sends and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
The data transmission method of a kind of terminal unit, is applied in the communication plan comprising the group of multiple terminal unit, and the method includes:
Terminal unit in group receives the Radio Network Temporary Identifier RNTI for schedule data transmission that access network equipment sends；
The schedule information of mark in group that terminal unit detection in group uses described RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.
A kind of access network equipment, this access network equipment includes:
Transmitting element, for the Radio Network Temporary Identifier RNTI being used for schedule data transmission that will join for component, each terminal unit being sent in this group；
Scheduling unit, sends for the terminal unit needing scheduling in this group and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
A kind of terminal unit, this terminal unit includes:
Receive unit, for receiving the Radio Network Temporary Identifier RNTI for schedule data transmission that access network equipment sends；
Detector unit, the schedule information of mark in detecting group that use described RNTI scrambling, that comprise this terminal unit；
Transmission unit, for carrying out data transmission according to the schedule information detected.
In this programme, after each terminal unit that the RNTI being used for schedule data transmission joined for component is sent in this group by access network equipment, the schedule information of mark in group that send use this RNTI scrambling to the terminal unit needing scheduling, that comprise this terminal unit, the schedule information of mark in group that the detection of this terminal unit uses this RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.Visible, this programme achieves scheduling scheme based on group.
Accompanying drawing explanation
Fig. 1-Fig. 9 is the information format schematic diagram of HS-SCCH in prior art；
Figure 10-Figure 11 is the information format schematic diagram of E-AGCH in prior art；
The method flow schematic diagram that Figure 12 provides for the embodiment of the present invention；
The other method schematic flow sheet that Figure 13 provides for the embodiment of the present invention；
The device structure schematic diagram that Figure 14 provides for the embodiment of the present invention；
Another device structure schematic diagram that Figure 15 provides for the embodiment of the present invention.
Detailed description of the invention
For the problem solving how to realize scheduling scheme based on group, the embodiment of the present invention provides scheduling and the data transmission method of a kind of terminal unit, it is applied in the communication plan comprising the group of multiple terminal unit, in this method, after each terminal unit that the Radio Network Temporary Identifier (RNTI) being used for schedule data transmission joined for component is sent in this group by access network equipment, send to the terminal unit needing scheduling and use this RNTI scrambling, the schedule information identified in the group comprising this terminal unit, the detection of this terminal unit uses this RNTI scrambling, the schedule information identified in the group comprising this terminal unit, and carry out data transmission according to the schedule information detected.
See Figure 12, the dispatching method of the terminal unit that the embodiment of the present invention provides, comprise the following steps:
Step 120: the RNTI being used for schedule data transmission that access network equipment will be joined for this component, each terminal unit being sent in this group；
Step 121: the access network equipment terminal unit needing scheduling in this group sends and uses this RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
Concrete, for Long Term Evolution (LTE) system, the RNTI for schedule data transmission sent in step 120 is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI)；
Accordingly, implementing of step 121 can be such that
The Downlink Control Information (DCI) that base station is identified sent the group of terminal unit that use this C-RNTI scrambling, that comprise needs scheduling by Physical Downlink Control Channel (PDCCH) in, carries out data transmission dispatching this terminal unit.
Implementing of step 120 can be such that
After base station carries out data receiver by each terminal unit in group Radio Network Temporary Identifier (G-RNTI) the PDCCH scheduling group that scrambles, sent the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling by PDCCH.
Concrete, for the uplink of UMTS (UMTS), the RNTI for schedule data transmission sent in step 120 is the Radio Network Temporary Identifier (E-RNTI) strengthened；
Accordingly, implementing of step 121 can be such that
The schedule information that base station (nodeb) is identified sent the group of terminal unit that use this E-RNTI scrambling, that comprise needs scheduling by the insertion authority channel (E-AGCH) strengthened in, carries out transmitting uplink data dispatching this terminal unit.
Concrete, for the downlink transfer of UMTS, the RNTI for schedule data transmission sent in step 120 is H-RNTI；
Accordingly, implementing of step 121 can be such that
The schedule information that base station (nodeb) is identified sent the group of terminal unit that use this H-RNTI scrambling, that comprise needs scheduling by the shared control channel (HS-SCCH) of high speed descending sharing channel in, carries out downlink data transmission dispatching this terminal unit.
For downlink transfer and the uplink of UMTS, implementing of step 120 can be such that
After each terminal unit in the HS-SCCH scheduling group that RNC is scrambled by G-RNTI carries out data receiver, sent the configuration information comprising E-RNT and H-RNTI that this component promising is joined using this G-RNTI scrambling by HS-SCCH.
Seeing Figure 13, the embodiment of the present invention provides the data transmission method of a kind of terminal unit, comprises the following steps:
Step 130: the terminal unit in group receives the RNTI for schedule data transmission that access network equipment sends；
Step 131: the schedule information of mark in group that the terminal unit detection in group uses this RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.
Concrete, the RNTI for schedule data transmission for receiving in LTE system, step 130 is C-RNTI；
Accordingly, implementing of step 131 can be such that
The DCI that terminal unit in group identifies in detecting the group of terminal unit that use this C-RNTI scrambling, that comprise needs scheduling on PDCCH.
Implementing of step 130 can be such that
Terminal unit in group detects by after the down dispatch information that G-RNTI scrambles on PDCCH, receives the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling on PDCCH according to this down dispatch information.
Concrete, for the uplink of UMTS, the RNTI for schedule data transmission received in step 130 is E-RNTI；
Accordingly, implementing of step 131 can be such that
Terminal unit in group detects the schedule information of the interior mark of group of terminal unit that use this E-RNTI scrambling, that comprise needs scheduling on the e-agch.
Concrete, for the downlink transfer of UMTS, the RNTI for schedule data transmission received in step 130 is H-RNTI；
Accordingly, implementing of step 131 can be such that
Terminal unit in group detects the schedule information of the interior mark of group of terminal unit that use described H-RNTI scrambling, that comprise needs scheduling on hs-scch.
For downlink transfer and the uplink of UMTS, implementing of step 130 can be such that
Terminal unit in group detects on hs-scch by after the down dispatch information that G-RNTI scrambles, and receives the configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling on hs-scch according to this down dispatch information.
G-RNTI in the present invention is a kind of terminal temporary mark of new definition, it is all precognition to all terminal units being applicable to group communication, can be specifically to predefine in the protocol, or by system broadcasts increasing new field signals to each terminal unit, or use newly-increased RRC information to notify to each terminal unit.
Access network equipment (RNC in UMTS system or the eNB in LTE system) by the information of core net inquiry group, can know the number of terminal unit in group, or the number of the terminal unit in group is configured on access network equipment by core net in advance.
Below in conjunction with specific embodiment, the present invention will be described:
Embodiment one:
In LTE system, increase the DCIformatX that definition is new, for sending Physical Uplink Shared Channel (PhysicalUplinkSharedChannel for one group of terminal unit, PUSCH) schedule information transmitted, terminal iidentification territory in increase group in DCIformatX, terminal unit in the group distinguishing scheduling.As a example by table 17:
Table 17
Step one: the C-RNTI being used for schedule data transmission that base station will be joined for component, each terminal unit being sent in this group；Terminal unit receives and preserves C-RNTI；
Step 2: base station is when needing the terminal unit in scheduling group to carry out data transmission, and the form being sent the DCI, this DCI that use C-RNTI scrambling by PDCCH uses the DCIformatX of new definition, mark in the group of the terminal unit wherein comprising needs scheduling；
Step 3: the DCI that the terminal unit in group identifies in detecting group that use C-RNTI scrambling, that comprise this terminal unit on PDCCH, carries out data transmission according to the schedule information in the DCI detected.
Embodiment two:
In UMTS system, the E-AGCHTypeX that definition is new is increased for uplink scheduling, for sending the schedule information of E-DCH transmission for one group of terminal unit, wherein in addition to comprising the content comprised in the existing form of E-AGCH in background technology, also comprise terminal iidentification territory in group, terminal unit in the group distinguishing scheduling.As a example by table 18:
Table 18
The E-RNTI being used for schedule data transmission that step one: RNC will join for component, each terminal unit being sent in this group；Terminal unit receives and preserves E-RNTI；
Step 2: base station (nodeb) is when needing the terminal unit in scheduling group to carry out transmitting uplink data, the schedule information using E-RNTI scrambling is sent by E-AGCH, the form of this schedule information uses the E-AGCHTypeX of new definition, mark in the group of the terminal unit wherein comprising needs scheduling；
Step 3: the schedule information that the terminal unit in group identifies in detecting group that use E-RNTI scrambling, that comprise this terminal unit on PDCCH, carries out transmitting uplink data according to the schedule information detected.
Embodiment three:
In UMTS system, the HS-SCCHTypeX that definition is new is increased for downlink transmitting and dispatching, the schedule information of PDSCH transmission is sent for one group of terminal unit, wherein in addition to comprising the content comprised in the existing form of HS-SCCH in background technology, also comprise terminal iidentification in group, terminal unit in the group distinguishing scheduling.As a example by table 19:
Table 19
The H-RNTI being used for schedule data transmission that step one: RNC will join for component, each terminal unit being sent in this group；Terminal unit receives and preserves H-RNTI；
Step 2: base station (nodeb) is when needing the terminal unit in scheduling group to carry out downlink data transmission, the schedule information using H-RNTI scrambling is sent by HS-SCCH, the form of this schedule information uses the HS-SCCHTypeX of new definition, mark in the group of the terminal unit wherein comprising needs scheduling；
Step 3: the schedule information that the terminal unit in group identifies in detecting group that use H-RNTI scrambling, that comprise this terminal unit on hs-scch, carries out downlink data transmission according to the schedule information detected.
Seeing Figure 14, the embodiment of the present invention provides a kind of access network equipment, and this access network equipment includes:
Transmitting element 141, for the Radio Network Temporary Identifier RNTI being used for schedule data transmission that will join for component, each terminal unit being sent in this group；
Scheduling unit 142, sends for the terminal unit needing scheduling in this group and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
Further, described transmitting element 141 is used for:
For Long Term Evolution LTE system, each terminal unit that the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI joined for this component is sent in this group；
Described scheduling unit 142 is used for:
The Downlink Control Information DCI identified sent the group of terminal unit that use described C-RNTI scrambling, that comprise needs scheduling by physical downlink control channel PDCCH in, is carried out data transmission dispatching this terminal unit.
Further, described transmitting element 141 is used for:
After carrying out data receiver by each terminal unit in the PDCCH scheduling group of group Radio Network Temporary Identifier G-RNTI scrambling, sent the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling by PDCCH.
Further, described transmitting element 141 is used for:
For the uplink of UMTS UMTS, each terminal unit that the Radio Network Temporary Identifier E-RNTI of the enhancing joined for this component is sent in this group；
Described scheduling unit 142 is used for:
The schedule information identified sent the group of terminal unit that use described E-RNTI scrambling, that comprise needs scheduling by the insertion authority channel E-AGCH strengthened in, carries out transmitting uplink data dispatching this terminal unit.
Further, described transmitting element 141 is used for:
For the downlink transfer of UMTS, each terminal unit that the H-RNTI joined for this component is sent in this group；
Described scheduling unit 142 is used for:
The schedule information identified sent the group of terminal unit that use described H-RNTI scrambling, that comprise needs scheduling by the shared control channel HS-SCCH of high speed descending sharing channel in, carries out downlink data transmission dispatching this terminal unit.
Further, described transmitting element 141 is used for:
After carrying out data receiver by each terminal unit in the HS-SCCH scheduling group that G-RNTI scrambles, sent the configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling by HS-SCCH.
Seeing Figure 15, the embodiment of the present invention provides a kind of terminal unit, and this terminal unit includes:
Receive unit 151, for receiving the Radio Network Temporary Identifier RNTI for schedule data transmission that access network equipment sends；
Detector unit 152, the schedule information of mark in detecting group that use described RNTI scrambling, that comprise this terminal unit；
Transmission unit 153, for carrying out data transmission according to the schedule information detected.
Further, described reception unit 151 is used for:
For Long Term Evolution LTE system, receive the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI that access network equipment sends；
Described detector unit 152 is used for:
The Downlink Control Information DCI of mark in detection uses group that described C-RNTI scrambles, that comprise the terminal unit that needs are dispatched in physical downlink control channel PDCCH.
Further, described reception unit 151 is used for:
After PDCCH detects the down dispatch information by group Radio Network Temporary Identifier G-RNTI scrambling, on PDCCH, receive the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling according to this down dispatch information.
Further, described reception unit 151 is used for:
For the uplink of UMTS UMTS, receive the Radio Network Temporary Identifier E-RNTI of the enhancing that access network equipment sends；
Described detector unit 152 is used for:
The schedule information of mark in detection uses group that described E-RNTI scrambles, that comprise the terminal unit that needs are dispatched on the insertion authority channel E-AGCH strengthened.
Further, described reception unit 151 is used for:
For the downlink transfer of UMTS, receive the H-RNTI that access network equipment sends；
Described detector unit 152 is used for:
The schedule information that row identifies in sharing the group of terminal unit that the described H-RNTI of detection use on the shared control channel HS-SCCH of channel scrambles, that comprise needs scheduling at high speeds.
Further, described reception unit 151 is used for:
Detect on hs-scch by after the down dispatch information that G-RNTI scrambles, receive the configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling according to this down dispatch information on hs-scch.
To sum up, the beneficial effect comprise that
In the scheme that the embodiment of the present invention provides, after each terminal unit that the RNTI being used for schedule data transmission joined for component is sent in this group by access network equipment, the schedule information of mark in group that send use this RNTI scrambling to the terminal unit needing scheduling, that comprise this terminal unit, the schedule information of mark in group that the detection of this terminal unit uses this RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.Visible, this programme achieves scheduling scheme based on group.
The present invention is to describe with reference to method, equipment (system) and the flow chart of computer program according to embodiments of the present invention and/or block diagram.It should be understood that can be by the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces the manufacture including command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to perform sequence of operations step on computer or other programmable devices to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides the step of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame for realization.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (24)
1. a dispatching method for terminal unit, is applied in the communication plan comprising the group of multiple terminal unit, it is characterised in that the method includes:
Access network equipment is by the channel of group Radio Network Temporary Identifier G-RNTI scrambling, and each terminal unit in scheduling group carries out data receiver；
After the Radio Network Temporary Identifier RNTI being used for schedule data transmission joined for this component is scrambled by access network equipment by described G-RNTI, each terminal unit being sent in this group；
The access network equipment terminal unit needing scheduling in this group sends and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
2. the method for claim 1, it is characterised in that for Long Term Evolution LTE system, the described RNTI for schedule data transmission is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI；
The described access network equipment terminal unit needing scheduling in this group sends and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit, specifically includes:
The Downlink Control Information DCI that base station is identified sent the group of terminal unit that use described C-RNTI scrambling, that comprise needs scheduling by physical downlink control channel PDCCH in, carries out data transmission dispatching this terminal unit.
3. method as claimed in claim 2, it is characterised in that the channel that described access network equipment is scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver, specifically includes:
The PDCCH that base station is scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver；
After the RNTI being used for schedule data transmission joined for this component is scrambled by described access network equipment by described G-RNTI, each terminal unit being sent in this group, specifically include:
Described base station sends the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling by PDCCH.
4. the method for claim 1, it is characterised in that for the uplink of UMTS UMTS, the described RNTI for schedule data transmission is the Radio Network Temporary Identifier E-RNTI strengthened；
The described access network equipment terminal unit needing scheduling in this group sends and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit, specifically includes:
The schedule information that base station is identified sent the group of terminal unit that use described E-RNTI scrambling, that comprise needs scheduling by the insertion authority channel E-AGCH strengthened in, carries out transmitting uplink data dispatching this terminal unit.
5. the method for claim 1, it is characterised in that for the downlink transfer of UMTS, the described RNTI for schedule data transmission is H-RNTI；
The described access network equipment terminal unit needing scheduling in this group sends and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit, specifically includes:
The schedule information that base station is identified sent the group of terminal unit that use described H-RNTI scrambling, that comprise needs scheduling by the shared control channel HS-SCCH of high speed descending sharing channel in, carries out downlink data transmission dispatching this terminal unit.
6. the method as described in claim 4 or 5, it is characterised in that the channel that described access network equipment is scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver, specifically includes:
The HS-SCCH that RNC is scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver；
After the RNTI being used for schedule data transmission joined for this component is scrambled by described access network equipment by described G-RNTI, each terminal unit being sent in this group, specifically include:
Described RNC sends the configuration information comprising E-RNT and H-RNTI that this component promising is joined using this G-RNTI scrambling by HS-SCCH.
7. a data transmission method for terminal unit, is applied in the communication plan comprising the group of multiple terminal unit, it is characterised in that the method includes:
Terminal unit in group carries out data receiver under access network equipment is by the channel dispatch of group Radio Network Temporary Identifier G-RNTI scrambling；
Terminal unit in group receives the Radio Network Temporary Identifier RNTI for schedule data transmission of the use described G-RNTI scrambling that access network equipment sends；
The schedule information of mark in group that terminal unit detection in group uses described RNTI scrambling, that comprise this terminal unit, and carry out data transmission according to the schedule information detected.
8. method as claimed in claim 7, it is characterised in that for Long Term Evolution LTE system, the described RNTI for schedule data transmission is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI；
The schedule information of mark in group that terminal unit detection in described group uses described RNTI scrambling, that comprise this terminal unit, specifically includes:
The Downlink Control Information DCI that terminal unit in group identifies in detecting group that use described C-RNTI scrambling, that comprise this terminal unit in physical downlink control channel PDCCH.
9. method as claimed in claim 8, it is characterised in that the terminal unit in described group carries out data receiver by G-RNTI under the channel dispatch that access network equipment is scrambled, and specifically includes:
Terminal unit in group detects the down dispatch information scrambled by G-RNTI on PDCCH；
Terminal unit in group receives the RNTI for schedule data transmission of the use described G-RNTI scrambling that access network equipment sends, and specifically includes:
Terminal unit in group receives the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling on PDCCH according to this down dispatch information.
10. method as claimed in claim 7, it is characterised in that for the uplink of UMTS UMTS, the described RNTI for schedule data transmission is the Radio Network Temporary Identifier E-RNTI strengthened；
The schedule information of mark in group that terminal unit detection in described group uses described RNTI scrambling, that comprise this terminal unit, specifically includes:
The schedule information of mark in group that the detection on the insertion authority channel E-AGCH strengthened of terminal unit in group uses described E-RNTI scrambling, that comprise this terminal unit.
11. methods as claimed in claim 7, it is characterised in that for the downlink transfer of UMTS, the described RNTI for schedule data transmission is H-RNTI；
The schedule information of mark in group that terminal unit detection in described group uses described RNTI scrambling, that comprise this terminal unit, specifically includes:
Terminal unit in group row at high speeds shares in detecting group that use described H-RNTI scrambling, that comprise this terminal unit on the shared control channel HS-SCCH of channel the schedule information identified.
12. methods as described in claim 10 or 11, it is characterised in that the terminal unit in described group carries out data receiver by G-RNTI under the channel dispatch that access network equipment is scrambled, and specifically includes:
Terminal unit in group detects the down dispatch information scrambled by G-RNTI on hs-scch；
Terminal unit in group receives the RNTI for schedule data transmission of the use described G-RNTI scrambling that access network equipment sends, and specifically includes:
Terminal unit in group receives the configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling on hs-scch according to this down dispatch information.
13. 1 kinds of access network equipments, it is characterised in that this access network equipment includes:
Transmitting element, for the channel by group Radio Network Temporary Identifier G-RNTI scrambling, each terminal unit in scheduling group carries out data receiver；And after the Radio Network Temporary Identifier RNTI being used for schedule data transmission for joining for component is scrambled by described G-RNTI, each terminal unit being sent in this group；
Scheduling unit, sends for the terminal unit needing scheduling in this group and uses described RNTI scrambling, the schedule information of mark in the group that comprises this terminal unit, carries out data transmission dispatching this terminal unit.
14. access network equipments as claimed in claim 13, it is characterised in that described transmitting element is used for:
For Long Term Evolution LTE system, after the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI joined for this component is scrambled by described G-RNTI, each terminal unit being sent in this group；
Described scheduling unit is used for:
The Downlink Control Information DCI identified sent the group of terminal unit that use described C-RNTI scrambling, that comprise needs scheduling by physical downlink control channel PDCCH in, is carried out data transmission dispatching this terminal unit.
15. access network equipments as claimed in claim 14, it is characterised in that described transmitting element is used for:
The PDCCH scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver；
The configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling is sent by PDCCH.
16. access network equipments as claimed in claim 13, it is characterised in that described transmitting element is used for:
For the uplink of UMTS UMTS, after the Radio Network Temporary Identifier E-RNTI of the enhancing joined for this component is scrambled by described G-RNTI, each terminal unit being sent in this group；
Described scheduling unit is used for:
The schedule information identified sent the group of terminal unit that use described E-RNTI scrambling, that comprise needs scheduling by the insertion authority channel E-AGCH strengthened in, carries out transmitting uplink data dispatching this terminal unit.
17. access network equipments as claimed in claim 13, it is characterised in that described transmitting element is used for:
For the downlink transfer of UMTS, after the H-RNTI joined for this component is scrambled by described G-RNTI, each terminal unit being sent in this group；
Described scheduling unit is used for:
The schedule information identified sent the group of terminal unit that use described H-RNTI scrambling, that comprise needs scheduling by the shared control channel HS-SCCH of high speed descending sharing channel in, carries out downlink data transmission dispatching this terminal unit.
18. access network equipments as described in claim 16 or 17, it is characterised in that described transmitting element is used for: the HS-SCCH scrambled by G-RNTI, each terminal unit in scheduling group carries out data receiver；
The configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling is sent by HS-SCCH.
19. 1 kinds of terminal units, it is characterised in that this terminal unit includes:
Receive unit, under at access network equipment by the channel dispatch of group Radio Network Temporary Identifier G-RNTI scrambling, carry out data receiver；And for receiving the Radio Network Temporary Identifier RNTI for schedule data transmission of the use described G-RNTI scrambling that access network equipment sends；
Detector unit, the schedule information of mark in detecting group that use described RNTI scrambling, that comprise this terminal unit；
Transmission unit, for carrying out data transmission according to the schedule information detected.
20. terminal units as claimed in claim 19, it is characterised in that described reception unit is used for:
For Long Term Evolution LTE system, receive the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI of the use described G-RNTI scrambling that access network equipment sends；
Described detector unit is used for:
The Downlink Control Information DCI of mark in detection uses group that described C-RNTI scrambles, that comprise this terminal unit in physical downlink control channel PDCCH.
21. terminal units as claimed in claim 20, it is characterised in that described reception unit is used for: detect the down dispatch information by group Radio Network Temporary Identifier G-RNTI scrambling on PDCCH；
On PDCCH, the configuration information comprising the C-RNTI that this component promising is joined using this G-RNTI scrambling is received according to this down dispatch information.
22. terminal units as claimed in claim 19, it is characterised in that described reception unit is used for:
For the uplink of UMTS UMTS, receive the Radio Network Temporary Identifier E-RNTI of the enhancing of the use described G-RNTI scrambling that access network equipment sends；
Described detector unit is used for:
The schedule information of mark in detection uses group that described E-RNTI scrambles, that comprise this terminal unit on the insertion authority channel E-AGCH strengthened.
23. terminal units as claimed in claim 19, it is characterised in that described reception unit is used for:
For the downlink transfer of UMTS, receive the H-RNTI of the use described G-RNTI scrambling that access network equipment sends；
Described detector unit is used for:
The schedule information of mark in row shares group that detection on the shared control channel HS-SCCH of channel uses described H-RNTI scrambling, that comprise this terminal unit at high speeds.
24. terminal units as described in claim 22 or 23, it is characterised in that described reception unit is used for: detect the down dispatch information scrambled by G-RNTI on hs-scch；
The configuration information comprising E-RNTI and H-RNTI that this component promising is joined using this G-RNTI scrambling is received on hs-scch according to this down dispatch information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210193625.5A CN103491640B (en) | 2012-06-12 | 2012-06-12 | The dispatching method of terminal unit and equipment |
| PCT/CN2013/076212 WO2013185529A1 (en) | 2012-06-12 | 2013-05-24 | Scheduling method and device for terminal device |
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| CN201210193625.5A CN103491640B (en) | 2012-06-12 | 2012-06-12 | The dispatching method of terminal unit and equipment |
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| WO2016161581A1 (en) * | 2015-04-08 | 2016-10-13 | 华为技术有限公司 | Method and apparatus for acquiring downlink control information, terminal and base station |
| CN105722240B (en) * | 2016-03-31 | 2018-04-10 | 宇龙计算机通信科技(深圳)有限公司 | The method, apparatus and terminal of more subframe schedulings |
| CN108632881A (en) * | 2017-03-16 | 2018-10-09 | 华为技术有限公司 | A kind of information transferring method, terminal device and base station |
| CN109428668B (en) * | 2017-07-20 | 2021-06-22 | 华为技术有限公司 | Data transmission method and equipment |
| CN111052646B (en) * | 2018-05-11 | 2022-10-11 | Lg电子株式会社 | Method of performing uplink transmission in wireless communication system and apparatus therefor |
| US20230128632A1 (en) * | 2020-02-10 | 2023-04-27 | Beijing Xiaomi Mobile Software Co., Ltd. | Dci transmission method and apparatus, and communication device and storage medium |
| CN111373826B (en) * | 2020-02-19 | 2023-11-07 | 北京小米移动软件有限公司 | Information processing method, device, base station, terminal and storage medium |
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| CN102158971A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Method and equipment for realizing semi-persistent scheduling service or similar semi-persistent scheduling service |
| CN102300331A (en) * | 2011-08-19 | 2011-12-28 | 电信科学技术研究院 | Data transmission method and equipment |
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| KR101595022B1 (en) * | 2008-02-05 | 2016-03-02 | 엘지전자 주식회사 | Method of efficient transmitting a radio channel |
| CN102316586B (en) * | 2010-07-06 | 2014-07-16 | 电信科学技术研究院 | Method and device for allocating wireless network temporary identification |
| CN102355334B (en) * | 2011-07-22 | 2017-06-09 | 中兴通讯股份有限公司 | The transmission method and user equipment of data under a kind of semi-persistent scheduling mode |
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| CN102158971A (en) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | Method and equipment for realizing semi-persistent scheduling service or similar semi-persistent scheduling service |
| CN102300331A (en) * | 2011-08-19 | 2011-12-28 | 电信科学技术研究院 | Data transmission method and equipment |
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