CN102377717B - System and method for indicating control channel transmission format - Google Patents
System and method for indicating control channel transmission format Download PDFInfo
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- CN102377717B CN102377717B CN201010259182.6A CN201010259182A CN102377717B CN 102377717 B CN102377717 B CN 102377717B CN 201010259182 A CN201010259182 A CN 201010259182A CN 102377717 B CN102377717 B CN 102377717B
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Abstract
The invention provides a system and a method for indicating a control channel transmission format. The method comprises the following steps that: a base station presets a channel format indication (CFI) value of each sub frame under different configurations, and issues indication information for indicating the CFI value of each sub frame to a terminal in a cell according to the CFI value, which is determined according to the current extracted configuration of the cell, of each sub frame. By adopting the technical scheme, frequency domain resources of a control channel can be reduced, signaling expense is reduced, the complexity of detection for a terminal control channel is reduced and the transmission reliability is improved.
Description
Technical field
The present invention relates to moving communicating field, refer more particularly to the method and apparatus of a kind of indicating control channel transmission format in OFDM access (Orthognal Frequency Diversion Multiple Acess) system.
Background technology
In 2G, 3G wireless communication system, should guarantee that control channel takies the least possible resource, guarantee again the quality of control channel, in order to make the two reach balance, when design control channel, need to consider multiple composite factor.
LTE (Long-Term Evolution, Long Term Evolution)/LTE-Advanced system and IMT-Adbvanced (Intemal Mobile Telecommunications, international mobile communication) system is all to take OFDM (Orthogonal Frequency Division Multiplexing) technology as basis, in ofdm system, it is the data mode that adopts time-frequency bidimensional, control channel adopts TDM (Tmie DivisionMultiplex time division multiplexing) mode, be that control channel and Traffic Channel were separated in the time, for example, in a subframe, there are 14 OFDM symbols, first three symbol is control character, rear 11 symbols are Traffic Channel.
In LTE system, down control channel mainly comprises following content:
CCFI (indication of control channel transformat);
DL Grant (Down Link Grant, descending scheduling mandate);
UL Grant (Up Link Grant, uplink scheduling authorization);
HI:HARQ indication (Hybid Automatic Repeat Request Indication, mixed automatic retransfer indication);
Can find out, the information that LTE system control channel carries, except the data volume of CCFI is fixed, other three category information is all relevant with the number of users of this subframe scheduling, under different channel qualities, the CCE number that each user adopts is different, also can be different to resource requirement.
Each subframe in prior art, every 1ms just issues a CFI, takies more control channel resource, and each subframe of UE will remove to separate CFI, has increased the complexity that UE processes.
In LTE system, the running time-frequency resource of a TTI (Transmission Time Interval, Transmission Time Interval) is fixed, and it is many that control channel takies, and Traffic Channel will be lacked.In LTE-TDD (long-term advancing time division duplex) system, there is special subframe, in special subframe, only some resource is that downlink resource is dispatched, due to such reason, in order to guarantee the code check of Traffic Channel, for the resource of special subframe control channel and Traffic Channel, to consider.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system and method for indicating control channel transmission format, can save frequency domain resource, minimizing signaling consumption, reduction UE (the User Equipment of control channel, terminal) complexity that control channel detects, improves the reliability of transmission.
A kind of method that the invention provides indicating control channel transmission format, comprising:
The CFI value of lower each subframe of the default different configurations in base station; According to the current configuration of the community of extracting, determine afterwards the value of the CFI of each subframe, to the terminal in described community, issue the indication information of the CFI value of each subframe of indication.
Further, described base station descends the mapping table of CFI value corresponding to each subframe to be issued to the terminal of described community difference configuration;
The public information of current area was extracted in described base station before determining CFI corresponding to each subframe, and determined according to described public information the index that current configuration is corresponding;
The described indication information issuing is the index of the current configuration of indication, and described terminal obtains CFI corresponding to each subframe in this cycle according to mapping table described in described index search.
Further, described method also comprises, the Proprietary Information of described current area is extracted in base station, and according to described Proprietary Information, determines the weights of the value of calculating lower each subframe CFI of corresponding configuration, and described indication information also comprises described weights;
Described terminal calculates the CFI of each subframe in this cycle to the CFI of each subframe corresponding to index according to weights.
Further, described method also comprises, the transmitting cycle is determined according to the channel quality extracting in base station, and issues periodic quantity to terminal;
If also carry indication information while issuing periodic quantity, each subframe is used the CFI definite according to indication information within this cycle, if do not carry indication information while issuing periodic quantity, each subframe is used the CFI in the cycle within this cycle.
Further, described method is applicable to LTE-TDD system.
The present invention also provides a kind of system of indicating control channel transmission format, comprises base station and terminal;
Described base station comprises map unit, information extraction unit, main control unit and transmitting element;
Described map unit, for the CFI value of lower each subframe of default different configurations;
Described information extraction unit, delivers to main control unit for extracting the current configuration concurrency of community;
Described main control unit, for determining the CFI of each subframe of described community according to the current configuration of the described community receiving;
Described transmitting element, issues the indication information of CFI value of each subframe of indication for the terminal in described community.
Further, described transmitting element is also issued to the terminal of described community for the default difference of map unit being configured to the mapping table of CFI value corresponding to lower each subframe;
Described main control unit determines according to described current configuration the index that this current configuration is corresponding;
The indication information that described transmitting element issues is the index of the current configuration of indication;
Described terminal comprises receiving element, memory cell and control unit;
Described receiving element, for being stored to memory cell by the described mapping table receiving; And the indication information of reception is sent to control unit;
Described control unit, for obtaining CFI corresponding to each subframe in this cycle according to mapping table described in the index search of indication information.
Further, described information extraction unit is also sent to main control unit for extracting the Proprietary Information of described current area;
Described main control unit, also for determining the weights that calculate lower each subframe CFI value of corresponding configuration according to described Proprietary Information;
The described indication information issuing also comprises described weights;
Described control unit is also for calculating the CFI of each subframe in this cycle to the CFI of each subframe corresponding to index according to described weights.
Further, described main control unit is also for determining the transmitting cycle according to the channel quality extracting, and the terminal in described community issues periodic quantity;
If also carry indication information when transmitting element issues periodic quantity, described control unit is determined the CFI of each subframe in this cycle according to indication information, if do not carry indication information when transmitting element issues periodic quantity, control unit determines that each subframe used the CFI in the cycle within this cycle.
In sum, adopt technical scheme of the present invention, can save the frequency domain resource of control channel; On the other hand, can reduce the complexity that UE control channel detects, improve the reliability of transmission.Scheme of the present invention is particularly useful for LTE-TDD system.
Accompanying drawing explanation
Fig. 1 is system configuration schematic diagram of the present invention;
Fig. 2 is the inventive method process chart.
Embodiment
The present embodiment provides a kind of system of indicating control channel transmission format, as shown in Figure 1, comprises base station and UE (terminal);
Base station comprises map unit, main control unit, information extraction unit and transmitting element;
UE comprises receiving element and control unit;
Map unit, for configuring the CFI value of lower each TTI according to default each of different scenes; Can adopt the CFI value of lower each TTI of each configuration of mapping table record; Map unit is also for being sent to transmitting element by this mapping table;
Information extraction unit, for according to the state of current area, is responsible for extracting public information, the Proprietary Information of current area, and these information reportings to main control unit.Public information comprises bandwidth, the UL/DL sub-frame configuration of current current area, special subframe configuration etc.; Proprietary Information comprises number of users and the needed code check of active user of current channel quality, current scheduling.
Main control unit, for determining the transmitting cycle, and is sent to transmitting element by periodic quantity;
Further, main control unit can be to determine the transmitting cycle according to current channel quality, it is 10ms that default cycles can be, but not limited to, if the good periodic quantity of channel quality can arrange longlyer, periodic quantity should be the multiple of 10ms, cycle can be, but not limited to determine by following mode: channel quality is divided into a plurality of intervals, the fixing periodic quantity of each interval correspondence one.
The information that main control unit also reports for receiving information extraction unit, comprises public information, can further include Proprietary Information; And for determining that according to public information the mapping table corresponding according to this index search can obtain the CFI that each TTI is corresponding to the index of UE transmitting; Main control unit can also further be adjusted the CFI value of each TTI under current configuration according to specialized information, and then determine the weights that issue, these weights represent that the CFI of each TTI under manipulative indexing in mapping firing table carries out the CFI that certain computing draws each TTI of current time.
Main control unit is also for being sent to transmitting element by definite index or index and weights;
Transmitting element, for the mapping table of reception and periodic quantity are issued to UE, and is issued to UE by the index of reception and weights.
Receiving element, for being stored to memory cell by the mapping table of reception; And the periodic quantity of receiving and indication information are sent to control unit;
Control unit, for receiving cycle value and indication information, when indication information only comprises index, according to index search mapping table, obtain the CFI of each TTI in this cycle, when indication information also comprises weights, further according to these weights, CFI corresponding to index calculated the CFI of interim each TTI this week.
The present embodiment provides a kind of method of indicating control channel transmission format, the CFI value of lower each subframe of the default different configurations in base station; According to the current configuration of the community of extracting, determine afterwards the value of the CFI of each subframe, to the terminal in described community, issue the indication information of the CFI value of each subframe of indication.
As shown in Figure 2, comprise the steps:
Step S1: base station configuration mapping table content, this mapping table has been indicated the value of CFI in interior each TTI of this cycle;
Mapping table can be determined by public information, according to UL/DL sub-frame configuration and special subframe configuration, determines;
Step S2: base station issues mapping table by system broadcast message to the UE in community, the mapping table of UE storing received;
Step S3: the transmitting cycle is determined in base station;
The transmitting cycle is determined according to current channel quality in base station, and it is 10ms that default cycles can be, but not limited to, if the good periodic quantity of channel quality can arrange longlyer, periodic quantity should be the multiple of 10ms, and the cycle can be, but not limited to determine by following mode:
Channel quality is divided into a plurality of intervals, the fixing periodic quantity of each interval correspondence one, how the present invention divides with each interval higher limit and lower limit and is all not construed as limiting interval, can adjust according to actual needs.
Step S4: base station side is extracted the information of current area, comprises public information, can further include Proprietary Information;
Public information comprises current UL/DL sub-frame configuration, special subframe configuration etc.;
Proprietary Information comprises number of users and the needed code check of active user of current channel quality, current scheduling;
Step S5: the CFI value of each TTI under this community is determined in base station according to the information of extracting, and then determine the indication information of the corresponding CFI of each TTI of indication;
Can be for each configuration arranges corresponding index, this indication information can be the index of the current configuration of indication, because of difference configuration, lower each TTI all has corresponding CFI value in mapping table, therefore, can know the CFI value of each TTI according to this index search mapping table.
Further, base station can be adjusted the CFI value of each TTI under current configuration according to the Proprietary Information extracting, and adjustment mode can determine according to actual needs, and the present invention is not restricted this.
If the CFI value to each TTI under current configuration is adjusted, also need to determine the weights that calculate actual CFI value according to the CFI value in mapping table, now, above-mentioned indication information also comprises these weights.
This index is the indication of the CFI of lower each the corresponding TTI of each configuration of mapping table, and these weights represent that the CFI of each TTI under manipulative indexing in mapping firing table carries out the CFI that certain computing draws each TTI of current time.
Step S6: definite periodic quantity is handed down to each UE of this community in base station, can issue in the lump definite indication information while issuing periodic quantity;
If do not issue indication information while issuing periodic quantity, the CFI of each subframe that index in the UE continuation upper cycle of use and weights are determined.
Base station can be to UE, to issue periodic quantity, index and weights by system broadcast message.
Step S7:UE receives the periodic quantity that base station issues, if wherein issued in the lump indication information, according to this indication information in conjunction with mapping table determine rise this week in the value of CFI of each TTI;
If only receive the periodic quantity issuing, within the new cycle, each TTI continues to use the value of the CFI in the cycle.
When after base station according to the information of extracting, redefine index and weights, if index or weights and the last different processing in the following manner of determining:
(a) if currently do not need to issue new periodic quantity, do not issue new definite index and weights;
(b), if current needs issue new periodic quantity, with new periodic quantity, issue new definite index and weights.
Application example:
In LTE system, PCFICH channel is as the number of indicator control channel symbol.3GPP26.211 has done simple restriction to the value of PCFICH, and as shown in table 1 is the span of each subframe CFI under different scenes.
Table 1: the span of each subframe CFI under different scenes
The PHICH that down control channel carries (Physical hybrid ARQ indicator channel, physics HARQ designator) information is different, as shown in table 2, this table represents under different configurations, the corresponding relation of the PHICH information of each subframe carrying, wherein, two parts of PHICH information of " 2 " representative carrying, " 1 " represents 1 part of PHICH information, PHICH is not carried in " 0 " representative, "-" represents sub-frame of uplink, do not issue CFI.It is different so just having caused the amount of information of control channel carrying under different sub-frame configuration, so need to consider the shared symbol numbers of the control channel of each subframe.
Same in LTE-TDD system for different Special subframe configuration (special subframe configuration), the shared symbolic number of DwPTS is different, in order to guarantee to carry out descending scheduling at special subframe, to the PCFICH of special subframe (being CFI value), to carry out special treatment.
Table 2: the corresponding relation of the PHICH information of lower each descending sub frame carrying of different configurations
If certain time period, in the certain situation of channel quality, due to the requirement of customer flow, code check is higher, now can consider to adjust PCIFCH value and reduce code check, reaches requirement.
If community is current, be configured to bandwidth: 20M, adopts special subframe configuration 7, frame structure: Frame structure type 2, DwPTS takies 10 symbols, and according to different descending sub frame configurations, the number of carrying PHICH on descending sub frame is carried out definite PCFICH value below.As, for ascending-descending subframes configuration 2, carry PHICH channel only having in 3,8 subframes, so the PCIFICH value of subframe 3 and 8 is made as 3; Conventional subframe 0,3,4,5 and 9 is not carried PHICH channel, so the PCIFICH of these conventional subframes is made as 2; Special subframe 1 and 6 is in order to guarantee that Traffic Channel has enough resources, and its PCIFICH is made as 1, as shown in table 3.
Table 3: the CFI of each subframe of determining according to public information
Step 101: the database that the configuration index shown in table 3 is placed on to base station side, after community is set up, by SIB message, notice UE, the UL/DL configuration of current community, the PCFICH value of each subframe that Special subframe configuration and this configuration are corresponding.To UE, issue the cycle 10ms of an acquiescence simultaneously.
Step 102: base station side carries out control channel according to PCFICH value corresponding in index and Traffic Channel mapping issues index value, and UE carrys out work according to the PCIFCH value of each subframe corresponding in system message, without the detection of carrying out CFI.
Step 103: base station side is according to the needs of scheduling, as now dispatched with maximum stream flow, for reducing Traffic Channel code check, the CFI of each descending sub frame need to be adjusted into 1, base station side issues weights in each cycle, the CFI of each TTI under the configuration that is 2 to index by these weights (being subframe) carries out certain computing, and making PCFICH (the being CFI) value of each subframe in the cycle is 1.
One of ordinary skill in the art will appreciate that all or part of step in said method can come instruction related hardware to complete by program, described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (7)
1. a method for indicating control channel transmission format, comprising:
The control channel transformat CFI value of lower each subframe of the default different configurations in base station; According to the current configuration of the community of extracting, determine afterwards the value of the CFI of each subframe, to the terminal in described community, issue the indication information of the CFI value of each subframe of indication;
Wherein, described base station descends the mapping table of CFI value corresponding to each subframe to be issued to the terminal of described community difference configuration;
The public information of current area was extracted in described base station before determining CFI corresponding to each subframe, and determined according to described public information the index that current configuration is corresponding;
The described indication information issuing is the index of the current configuration of indication, and described terminal obtains CFI corresponding to each subframe in this cycle according to mapping table described in described index search.
2. the method for claim 1, is characterized in that:
Described method also comprises, the Proprietary Information of described current area is extracted in base station, and according to described Proprietary Information, determines the weights of the value of calculating lower each subframe CFI of corresponding configuration, and described indication information also comprises described weights;
Described terminal calculates the CFI of each subframe in this cycle to the CFI of each subframe corresponding to index according to weights.
3. the method as described in claim as arbitrary in claim 1 to 2, is characterized in that:
Described method also comprises, the transmitting cycle is determined according to the channel quality extracting in base station, and issues periodic quantity to terminal;
If also carry indication information while issuing periodic quantity, each subframe is used the CFI definite according to indication information within this cycle, if do not carry indication information while issuing periodic quantity, each subframe is used the CFI in the cycle within this cycle.
4. the method for claim 1, is characterized in that:
Described method is applicable to long-term advancing time division duplex LTE-TDD system.
5. a system for indicating control channel transmission format, comprises base station and terminal; It is characterized in that:
Described base station comprises map unit, information extraction unit, main control unit and transmitting element;
Described map unit, for the control channel transformat CFI value of lower each subframe of default different configurations;
Described information extraction unit, delivers to main control unit for extracting the current configuration concurrency of community;
Described main control unit, for determining the CFI of each subframe of described community according to the current configuration of the described community receiving;
Described transmitting element, issues the indication information of CFI value of each subframe of indication for the terminal in described community;
Described transmitting element is also issued to the terminal of described community for the default difference of map unit being configured to the mapping table of CFI value corresponding to lower each subframe;
Described main control unit determines according to described current configuration the index that this current configuration is corresponding;
The indication information that described transmitting element issues is the index of the current configuration of indication;
Described terminal comprises receiving element, memory cell and control unit;
Described receiving element, for being stored to memory cell by the described mapping table receiving; And the indication information of reception is sent to control unit;
Described control unit, for obtaining CFI corresponding to each subframe in this cycle according to mapping table described in the index search of indication information.
6. system as claimed in claim 5, is characterized in that:
Described information extraction unit is also sent to main control unit for extracting the Proprietary Information of described current area;
Described main control unit, also for determining the weights that calculate lower each subframe CFI value of corresponding configuration according to described Proprietary Information;
The described indication information issuing also comprises described weights;
Described control unit is also for calculating the CFI of each subframe in this cycle to the CFI of each subframe corresponding to index according to described weights.
7. the system as described in claim as arbitrary in claim 5 to 6, is characterized in that:
Described main control unit is also for determining the transmitting cycle according to the channel quality extracting, and the terminal in described community issues periodic quantity;
If also carry indication information when transmitting element issues periodic quantity, described control unit is determined the CFI of each subframe in this cycle according to indication information, if do not carry indication information when transmitting element issues periodic quantity, control unit determines that each subframe used the CFI in the cycle within this cycle.
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| CN102740477B (en) | 2011-03-31 | 2016-03-02 | 华为技术有限公司 | The method that subframe in time-division duplex system configures, base station and subscriber equipment |
| CN102905375A (en) * | 2012-10-23 | 2013-01-30 | 张家港市鸿嘉数字科技有限公司 | Resource allocation device |
| US20160044663A1 (en) * | 2013-04-03 | 2016-02-11 | Nokia Solutions And Networks Oy | Dynamic Uplink-Downlink Configuration |
| KR102470012B1 (en) * | 2018-05-22 | 2022-11-22 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Control format indicator pattern for transmitting control information |
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|---|---|---|---|---|
| KR20100073517A (en) * | 2008-12-23 | 2010-07-01 | 엘지노텔 주식회사 | Mobile telecommunication system and method for transmitting forward link control information |
| CN101789823A (en) * | 2010-02-11 | 2010-07-28 | 中兴通讯股份有限公司 | Method and system for transmitting control format indicating value |
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| US20070058532A1 (en) * | 2005-09-15 | 2007-03-15 | Manoj Wadekar | System and method for managing network congestion |
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| KR20100073517A (en) * | 2008-12-23 | 2010-07-01 | 엘지노텔 주식회사 | Mobile telecommunication system and method for transmitting forward link control information |
| CN101789823A (en) * | 2010-02-11 | 2010-07-28 | 中兴通讯股份有限公司 | Method and system for transmitting control format indicating value |
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