CN103108398B - Uplink control channel transmission method and relevant apparatus - Google Patents
Uplink control channel transmission method and relevant apparatus Download PDFInfo
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- CN103108398B CN103108398B CN201110356796.0A CN201110356796A CN103108398B CN 103108398 B CN103108398 B CN 103108398B CN 201110356796 A CN201110356796 A CN 201110356796A CN 103108398 B CN103108398 B CN 103108398B
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Abstract
The embodiment of the invention discloses a kind of uplink control channel transmission method and relevant apparatus, be beneficial to and distribute the channel resource for ascending control channel。The method comprise the steps that terminal obtains the control information needed to base station feedback and the transformat selected based on ascending control channel；Described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat。Additionally, present invention also offers the responding device realizing the method。
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of uplink control channel transmission method and relevant apparatus。
Background technology
Along with developing rapidly of radio communication service, future network needs to consider higher message transmission rate, (LTE-A is strengthened at Long Term Evolution, LongTermEvolutionAdvanced) in system, in order to support bigger bandwidth, introduce carrier aggregation technology, be scheduled to a terminal by the resource of multiple auxiliary carrier waves simultaneously and use。The frequency spectrum of multiple auxiliary carrier occupancies can be continuous print, it is also possible to be discrete；The bandwidth of each auxiliary carrier wave can be identical, it is also possible to different；Each auxiliary carrier wave can be the carrier wave of compatible Long Term Evolution (LTE, LongTermEvolution) LTE terminal, it is also possible to be only the carrier wave supporting LTE-A terminal。But, along with the increase of polymerization carrier number, corresponding uplink feedback information amount is consequently increased, for instance (HARQ, HybridAutomaticRepeatRequest) information and channel quality information (CQI, ChannelQualityInformation) etc.。
Research shows, meets with the bottleneck of performance in prior art based on the ascending control channel transmission means of single resource, for instance, existing Format1b Channel assignment only supports 2 carrier waves；Format3 is (such as more than 16 bits) poor-performing when transmitting quantity of information and being bigger, and then makes the application scenarios of Format3 become limited。Further, when system is within certain time, it is necessary to during feedback much information, one of which information can only be selected to be transmitted, other information needs to abandon, and impacts measuring the quality reported。
Many deficiencies due to above-mentioned up single resource transmission pattern, it is necessary the transmission using multiple resource to carry out ascending control channel, but, existing up multiple resource transmission mode only proposes preliminary frame concept, a lot of problems are also had to need to solve, the resource distribution of such as multiple resources, information distribution that multiple resources are corresponding and processing mode etc.。
Summary of the invention
Embodiments provide a kind of uplink control channel transmission method and relevant apparatus, be beneficial to and distribute the channel resource for ascending control channel。
Uplink control channel transmission method provided by the invention includes: terminal obtains the needs control information to base station feedback and the transformat selected based on ascending control channel；Described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat。
Optionally, before described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including: described terminal receives the instruction message that described base station sends, described instruction message is used for indicating described terminal when carrying out the transmission of described ascending control channel, determine that the transmission mode of described ascending control channel, the transmission mode of described ascending control channel include up multiple resource transmission mode and up single resource transmission pattern。
Optionally, before described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, obtain the configuration total number subcarriers for downlink data transmission including: described terminal according to the configuration information of described base station, and/or need the total number of bits of mixed automatic retransfer HARQ information to described base station feedback；Described terminal is according to described total number subcarriers, and/or total number of bits, it is determined that the transmission mode of described ascending control channel, and the transmission mode of described ascending control channel includes up multiple resource transmission mode and up single resource transmission pattern。
Optionally, when described control information comprises HARQ information, and the described transformat selected based on ascending control channel is when being Format3, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
When carrying out ascending control channel transmission in terminal and base station, terminal detects whether that only main carrier carries out data transmission or semi-persistent scheduling release SPSrelease signalling；
If not only having main carrier to carry out data transmission or SPSrelease signalling, then when described control information only includes HARQ information, described HARQ information is carried out packet transaction by terminal, HARQ information after packet transaction is separately dispensed on the channel resource of multiple described ascending control channel and transmits, described specified by the transmitting power control TPC territory of auxiliary carrier wave for the channel resource of the ascending control channel of HARQ information after being grouped；
When including HARQ information and channel quality information CQI when described control information, terminal abandons described CQI, and described HARQ information is carried out packet transaction, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, the resource often organizing HARQ information is specified by the TPC territory in certain auxiliary carrier wave in corresponding carrier wave set respectively；
When including HARQ information and dispatch request SR information when described control information, described HARQ information is carried out packet transaction by terminal, the HARQ information block of described SR information with the carrier wave set comprising main carrier is carried out combined coding, it is put into SR transmitted over resources, the HARQ information of all the other carrier wave set is in original HARQ transmitted over resources, when carrying out resource distribution, being respectively adopted SR resource and HARQ resource is allocated, the resource often organizing HARQ information is specified by the TPC territory in certain different auxiliary carrier wave in corresponding carrier wave set respectively；
If only main carrier carries out data transmission or SPSrelease signalling, then when described control information comprises only HARQ information, described HARQ information is assigned to a transmitted over resources by terminal, when resource is distributed, the numbering controlling Channel Elements of ascending control channel on main carrier or the TPC territory instruction of semi-persistent scheduling is utilized to determine a uplink control channel resource；
HARQ information and CQI is included when described information type, and support when CQI and HARQ transmits simultaneously, terminal selects the CQI information that multiple descending carriers are corresponding to feed back, and select CQI Format2a or the Format2b multiplexing transmission in a transmission format corresponding to HARQ information and a descending carrier, remaining CQI group adopts Format2, or whole CQI groups adopts Format2a or Format2b multiplexing transmission with HARQ information, when resource is distributed, is allocated according to multiple CQI resources；If do not support to transmit simultaneously, then abandon whole CQI feedback；
When including HARQ information and SR information when described control information, transformat is adjusted to Format1a or Format1b in SR resource and is transmitted by terminal, when resource is distributed, adopts semi-persistent scheduling to be allocated in SR resource。
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that the present invention carries out configuration information and the schedule information of ascending control channel transmission by base station and described terminal, obtain the information type and transformat that need to described base station feedback, and make terminal can reasonably carry out the distribution of channel resource for different information types and transformat according to this information type and transformat, so that channel resource is distributed rationally。
Optionally, if described control information comprises HARQ information, and transformat is Format1b and Channel assignment, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
When described control information comprises only HARQ information, described HARQ information is carried out packet transaction by terminal, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, many part resource are determined by the numbering controlling Channel Elements of carrier wave main and auxiliary in different carrier group or the instruction of TPC territory respectively；
When described control information includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, described HARQ information is carried out packet transaction by terminal, and select the CQI information that multiple descending carrier is corresponding to feed back, terminal selects one group of CQI to carry out combined coding modulation to the HARQ information of the required feedback of each carrier wave set, and in CQI resource, adopt Format2b transmission, when carrying out resource distribution, it is allocated according to CQI resource；If do not support to transmit simultaneously, then abandon whole CQI feedback；
When including HARQ information and SR information when described control information, described HARQ information is carried out packet transaction by terminal, select the HARQ information of the carrier wave set comprising main carrier in SR transmitted over resources, HARQ information corresponding to all the other carrier wave set is in original transmitted over resources, when resource is distributed, information in SR transmitted over resources adopts the method distribution of semi-persistent scheduling, and all the other are specified by the TPC territory in auxiliary carrier wave。
Optionally, if described transformat is Format2, and described control information comprises only CQI, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
Terminal selects the CQI that N number of carrier wave is corresponding to be separately dispensed into different transmitted over resources, and described N and CQI number of resources is equal, and described N is the integer more than 1, when carrying out resource distribution, adopts the method distribution of semi-persistent scheduling。
Optionally, if described transformat is Format1, and described control information comprises only SR information, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
This described SR information, in SR information described in a transmitted over resources, when carrying out resource distribution, is assigned in SR resource by terminal。
Optionally, described HARQ information is carried out packet transaction include: according to the descending carrier of configuration sum or information bit sum, described HARQ information is carried out packet transaction。
Terminal provided by the invention, including:
First acquiring unit, for obtaining the control information needed to base station feedback and the transformat selected based on ascending control channel；Allocation units, for distributing the channel resource for described ascending control channel according to described control information and described transformat。
Optionally, described terminal also includes:
Instruction receives unit, for receiving the instruction message that base station sends, described instruction message is used for indicating described terminal when carrying out the transmission of described ascending control channel, determine that the transmission mode of described ascending control channel, the transmission mode of described ascending control channel include up multiple resource transmission mode and up single resource transmission pattern。
Optionally, described terminal also includes:
Second acquisition unit, for obtaining the configuration total number subcarriers for downlink data transmission according to the configuration information of described base station, and/or needs the total number of bits of mixed automatic retransfer HARQ information to described base station feedback；Select unit, for terminal according to described total number subcarriers, and/or total number of bits, it is determined that the transmission mode of described ascending control channel, if using up multiple resource transmission mode, then triggers described first acquiring unit。
Optionally, described allocation units include:
Carrier detection module, needs to carry out data transmission or SPSrelease signalling for detecting whether only have on downlink main carrier to carry, and selects module to carry out respective handling according to detection triggers mode；Mode selects module, for determining, according to described control information and transformat, the transmission means that up multiple resource transmits, is if desired assigned in multiple resource and is transmitted, then trigger PHM packet handling module；Be transmitted if having only to be assigned in single resource, then directly triggers resource distributes module；PHM packet handling module, for carrying out packet transaction according to described carrier number or described information bit sum to described HARQ information；Resource distribution module, for selecting the selection result of module that needs feedack is carried out resource distribution according to mode。
Accompanying drawing explanation
Fig. 1 is a schematic flow sheet of uplink control channel transmission method in the embodiment of the present invention；
Fig. 2 is another schematic flow sheet of uplink control channel transmission method in the embodiment of the present invention；
Fig. 3 is another schematic flow sheet of uplink control channel transmission method in the embodiment of the present invention；
Fig. 4 is the logical structure schematic diagram of terminal in the embodiment of the present invention。
Detailed description of the invention
Embodiments provide a kind of uplink control channel transmission method and relevant apparatus, be beneficial to and distribute the channel resource for ascending control channel。
Referring to Fig. 1, in the embodiment of the present invention, an embodiment of uplink control channel transmission method includes:
101, terminal obtains the control information and transformat that need to described base station feedback；
Terminal carries out configuration information and the schedule information of ascending control channel transmission according to current base station and terminal, obtains the control information needed to base station feedback and the transformat selected based on ascending control channel。
In embodiments of the present invention, terminal is after the semi-static configuration information receiving base station transmission and dynamic scheduling information, and terminal is in the follow-up data with base station are transmitted, it is possible to carry out scheduling and the distribution of channel resource according to this configuration information and schedule information。
In embodiments of the present invention, above-mentioned terminal can be LTE-A terminal；Above-mentioned needs may include that HARQ information, CQI and dispatch request (SR, SchedulingRequest) information to the control message of described base station feedback；Above-mentioned transformat is Physical Uplink Control Channel (PUCCH, PhysicalUplinkControlChannel) data transmission format, is specifically as follows: Format3, Format2, Format2a, Format2b, Format1, Format1a and Format1b。
102, terminal distributes the channel resource for described ascending control channel according to described control information and described transformat。
Transmission mode at existing ascending control channel includes up multiple resource transmission mode and up single resource transmission pattern, up single resource transmission pattern refers to the pattern using single PUCCH resource to carry out uplink control information transmission, and up multiple resource transmission mode refers to the pattern using multiple PUCCH resource to carry out uplink control information transmission。
In embodiments of the present invention, though totally using the transmission mode of multiple resource, but, transmit sometime in information, be likely to only need to use single resource situation (as terminal detect only main carrier has data to transmit time), the type according to transformat is now needed to carry out follow-up judgement (e.g., the carrier data detection carried out when transformat is Format3), so that the distribution of resource is more reasonable。
And, transmit sometime in the information of control, the number of types that the type of the control information of needs feedback and control information comprise all is likely to differ, in existing channel resource, different control message is likely to the channel resource having it corresponding, and in embodiments of the present invention, owing to adopting the pattern of multiple resource transmission, once transmission is likely to need to the polytype information of base station feedback (HARQ information described above and SR information), therefore, when carrying out resource distribution, it is necessary to distribute different information to its suitable channel resource as far as possible；And, owing to the quantity of information of various control message is not of uniform size, and the transformat adopted also has multiple choices, terminal needs the practical control message according to feedback and transformat to carry out resource distribution, so that various information are assigned on sizeable channel resource, it is achieved distributing rationally of resource。
The present invention carries out configuration information and the schedule information of ascending control channel transmission by base station and described terminal, obtain the control message and transformat that need to described base station feedback, and according to the method that this control message and transformat determine transmission means that up multiple resource transmits and resource distribution, terminal is made can reasonably to carry out the distribution of channel resource for different control message and transformat, so that channel resource is distributed rationally。
Optional according to practical situation, can compatible up single resource transmission pattern and when up multiple resource transmission mode in LTE-A terminal, according to the practical situation of base station, transmission mode can be selected, specifically referring to Fig. 2, in the embodiment of the present invention, another embodiment of uplink control channel transmission method includes:
201, terminal obtains for the total number subcarriers of downlink data transmission, and/or needs the total number of bits of HARQ information to base station feedback；
Terminal, according to the currently stored configuration information carrying out ascending control channel transmission with base station in this locality, obtains the total number subcarriers for downlink data transmission, and/or needs the total number of bits of HARQ information to base station feedback；And according to this total number subcarriers, and/or total number of bits selects ascending control channel transmission to be use up single resource transmission pattern, still uses up multiple resource transmission mode；If using the pattern that up multiple resource transmits, then triggered step 202。
In embodiments of the present invention, it is possible to be the total number of bits setting threshold value of above-mentioned total number subcarriers and/or HARQ information in advance, once meet the condition of this threshold value, it is possible to determine the pattern using the transmission of up multiple resource。
Additionally, optional, base station direct can also send instruction message to terminal, after terminal receives this instruction message, it is possible to knows the pattern of terminal local and the ascending control channel transmission use up multiple resource transmission of base station, equally possible triggered step 202。
It is understood that specifically judged according to existing information by terminal, or being carried out directly instruction by base station can be determined by practical situation, is not construed as limiting herein。
202, terminal obtains the control message and transformat that need to described base station feedback；
Terminal carries out configuration information and the schedule information of ascending control channel transmission according to current base station and terminal, obtains the control information needed to base station feedback and the transformat selected based on ascending control channel。
In embodiments of the present invention, terminal is after the semi-static configuration information receiving base station transmission and dynamic scheduling information, and terminal is in the follow-up data with base station are transmitted, it is possible to carry out scheduling and the distribution of channel resource according to this configuration information and schedule information。
In embodiments of the present invention, above-mentioned terminal can be LTE-A terminal；Above-mentioned needs may include that HARQ information, CQI and dispatch request (SR, SchedulingRequest) information to the control message of described base station feedback；Above-mentioned transformat is Physical Uplink Control Channel (PUCCH, PhysicalUplinkControlChannel) data transmission format, is specifically as follows: Format3, Format2, Format2a, Format2b, Format1, Format1a and Format1b。
203, terminal distributes the channel resource for described ascending control channel according to described control information and described transformat。
Transmission mode at existing ascending control channel includes up multiple resource transmission mode and up single resource transmission pattern, up single resource transmission pattern refers to the pattern using single PUCCH resource to carry out uplink control information transmission, and up multiple resource transmission mode refers to the pattern using multiple PUCCH resource to carry out uplink control information transmission。
In embodiments of the present invention, though totally using the transmission mode of multiple resource, but, transmit sometime in information, be likely to only need to use single resource situation (as terminal detect only main carrier has data to transmit time), the type according to transformat is now needed to carry out follow-up judgement (e.g., the carrier data detection carried out when transformat is Format3), so that the distribution of resource is more reasonable。
And, transmit sometime in the information of control, the number of types that the type of the control information of needs feedback and control information comprise all is likely to differ, in existing channel resource, different control message is likely to the channel resource having it corresponding, and in embodiments of the present invention, owing to adopting the pattern of multiple resource transmission, once transmission is likely to need to the polytype information of base station feedback (HARQ information described above and SR information), therefore, when carrying out resource distribution, it is necessary to distribute different information to its suitable channel resource as far as possible；And, owing to the quantity of information of various control message is not of uniform size, and the transformat adopted also has multiple choices, terminal needs the practical control message according to feedback and transformat to carry out resource distribution, so that various information are assigned on sizeable channel resource, it is achieved distributing rationally of resource。
Below to according to controlling transmission means that message and transformat determine that up multiple resource transmit and the method that resource is distributed is described in detail, referring to Fig. 3, in the embodiment of the present invention, another embodiment of uplink control channel transmission method includes:
301, terminal obtains for the total number subcarriers of downlink data transmission, and/or needs the total number of bits of HARQ information to base station feedback；
Terminal, according to the currently stored configuration information carrying out ascending control channel transmission with base station in this locality, obtains the total number subcarriers for downlink data transmission, and/or needs the total number of bits of HARQ information to base station feedback；And according to this total number subcarriers, and/or total number of bits selects ascending control channel transmission to be use up single resource transmission pattern, still uses up multiple resource transmission mode；If using the pattern that up multiple resource transmits, then triggered step 302。
302, terminal obtains the control message and transformat that need to described base station feedback；
Terminal carries out configuration information and the schedule information of ascending control channel transmission according to current base station and terminal, obtains the control message and transformat that need to base station feedback。
Optional according to practical situation, if above-mentioned needs are Format3, then triggered step 303 to the transformat of base station feedback HARQ information；If above-mentioned needs are to the form that transformat is non-Format3 of base station feedback HARQ information, then direct triggered step 305。
303, terminal detects whether to only have on main carrier needs to carry out data transmission；
When carrying out ascending control channel transmission in terminal and base station, terminal detects whether to only have according to the schedule information that base station sends to be needed on main carrier to carry out data transmission or (SPSrelease, semi-persistentschedulingrelease) transmission。
304, the method that terminal determines transmission means that up multiple resource transmits and resource distribution according to the testing result of main carrier；
If terminal detects that not only having on main carrier needs to carry out data transmission or SPSrelease signalling, then when the control message needing feedback comprises only HARQ information, described HARQ information is carried out packet transaction by terminal, such as the HARQ information of several carrier waves is classified as one group, the HARQ information after packet transaction is separately dispensed into different transmitted over resources；When carrying out resource distribution, the resource that often group HARQ information is corresponding is respectively by the transmitting power control (TPC in certain auxiliary carrier wave in carrier wave set (including a main carrier and multiple auxiliary carrier wave in a carrier wave set), TransmissionPowerControl) territory is specified, such as, respectively specified that by the TPC territory numbering minimum auxiliary carrier wave in each carrier wave set respectively。
When the control message needing feedback includes HARQ information and CQI, terminal abandons CQI, and described HARQ information is carried out packet transaction, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, the resource that often group HARQ information is corresponding is specified by the TPC territory in certain different auxiliary carrier wave in carrier wave set respectively。
When the control message needing feedback includes HARQ information and dispatch request SR information, this HARQ information is carried out packet transaction by terminal, the HARQ information of SR information with the carrier wave set comprising main carrier is carried out combined coding by terminal, it is put into SR transmitted over resources, the HARQ information of all the other carrier wave set is in original HARQ transmitted over resources, when carrying out resource distribution, being respectively adopted SR resource and HARQ resource is allocated, the resource that often group HARQ information is corresponding is specified by the TPC territory in certain different auxiliary carrier wave in carrier wave set respectively。
If terminal detects that only having on main carrier needs to carry out data transmission or SPSrelease signalling, then when the control message needing feedback comprises only HARQ information, this HARQ information is assigned to a transmitted over resources by terminal, when resource is distributed, the numbering controlling Channel Elements of ascending control channel on main carrier or the TPC instruction of semi-persistent scheduling is utilized to determine a uplink control channel resource；Such as, when carrier wave set has major-minor carrier wave, then continue to use resource indicating mode of the prior art, if carrier wave set is auxiliary carrier wave entirely, then according to carrier index order, determine the channel resource of correspondence according to the TPC territory in auxiliary carrier wave。
When the control message needing feedback includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, terminal selects the CQI information group that multiple descending carriers are corresponding to feed back, and transformat is adjusted to Format2a or Format2b multiplexing transmission by the CQI selecting HARQ information corresponding with descending carrier, remaining CQI group adopts Format2, or whole CQI groups adopts Format2a or Format2b multiplexing transmission with HARQ information, concrete, HARQ information only has one group, the CQI of different groups carries this identical group HARQ information respectively and adopts Format2a or Format2b to carry out multiplexing transmission；When resource is distributed, it is allocated according to many group CQI resources；Concrete, if the HARQ value of information selects a CQI resource to carry out multiplexing transmission, can carry out selecting (as selected that a carrier wave set numbers the CQI that minimum carrier wave is corresponding) according to the CQI that carrier number is corresponding, a CQI corresponding to descending carrier can also be randomly choosed, allow the CQI chosen carry this HARQ information and be transmitted in corresponding CQI resource；If do not support to transmit simultaneously, then abandon whole CQI feedback；
In the prior art, different types of information is to have different resources originally, if selecting to carry the mode of transmission, that will economize next part resource, improves the utilization rate of resource。
When the control message needing feedback includes HARQ information and PositiveSR information, transformat is adjusted to Format1a or Format1b in SR resource and carries out HARQ transmission by terminal, when resource is distributed, adopts semi-persistent scheduling to be allocated in SR resource。
Concrete, semi-persistent scheduling technology has once dispatches, the feature that the cycle is transmitted or receives, and the release after use is complete of the resource of its configuration will become extremely important。If system resource does not successfully discharge after semi-persistent scheduling services terminates, then other users may be caused serious interference, thus causing the decline of systematic function。For example, uplink semi-persistent scheduling is transmitted, if the semi-persistent resource of its use is not discharged or release failure by system after its service ending, then this terminal is transmitted continuing in the resource of configuration, and now base station is likely to this resource be distributed to other users and carries out data transmission, so will result in serious same frequency interference, cause that base station cannot be carried out demodulation。Therefore, base station needs instruction terminal to carry out the release of uplink semi-persistent scheduling resource, and the form of PUCCH is made that corresponding regulation (transformat in the embodiment of the present invention is the regulation of Format1a or Format1b), to reach the effect of relatively reliable release。
In embodiments of the present invention, if desired needs feedack is grouped, then according to the descending carrier sum of configuration or information bit sum, this information can be carried out packet transaction, for instance, when being grouped according to carrier number, by N in carrier setCCSIndividual carrier wave sorts according to carrier number, is divided intoIndividual carrier wave set (wherein NCCS、NCCGThe size of total number subcarriers and carrier wave set respectively), the information often organized carries out information processing according to prior art。
305, terminal is according to controlling transmission means that message and transformat determine that up multiple resource transmit and the method that resource is distributed。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback comprises only HARQ information, HARQ information is carried out packet transaction by terminal, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, the resource of each HARQ packet is determined by the numbering controlling Channel Elements of carrier wave main and auxiliary in different carrier group or the instruction of TPC territory respectively；Such as, when carrier wave set has major-minor carrier wave, then continue to use resource indicating mode of the prior art, if carrier wave set is auxiliary carrier wave entirely, then according to carrier index order, determine the channel resource of correspondence according to the TPC territory in auxiliary carrier wave。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, described HARQ information is carried out packet transaction by terminal, and the CQI information group selecting multiple descending carrier corresponding feeds back, terminal selects one group of CQI to carry out combined coding modulation to the HARQ information of the required feedback of each carrier wave set, and in CQI resource, adopt Format2b transmission, when carrying out resource distribution, it is allocated according to CQI resource；Concrete, when selecting Format1b, when transmitting with CQI, HARQ information is also only have 2 bits, it is possible to carried transmission by CQI simultaneously；If do not support to transmit simultaneously, then abandon whole CQI feedback。Being carried by whom, just use whose resource, HARQ information block can be corresponding by carrier index with the incidence relation of CQI information。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback includes HARQ information and SR information, this HARQ information is carried out packet transaction by terminal, select the HARQ information of the carrier wave set comprising main carrier in SR transmitted over resources, HARQ information corresponding to all the other carrier wave set is in original transmitted over resources, when resource is distributed, the information in SR transmitted over resources adopts the method distribution of semi-persistent scheduling, and all the other are specified by the TPC territory in auxiliary carrier wave。
If desired the transformat of feedback information is Format2, and need the control message of feedback to comprise only CQI, then terminal selects the CQI that N number of carrier wave is corresponding to be separately dispensed into different transmitted over resources, N is equal with number of resources, and N is the integer more than 1, when carrying out resource distribution, adopting the method distribution of semi-persistent scheduling, the numbering of the resource number shared by the CQI of each carrier wave and carrier wave has the corresponding relation determined。
If desired the transformat of feedback information is Format1, and needs the control message of feedback to comprise only SR information, then terminal is in SR information described in a transmitted over resources, when carrying out resource distribution, this described SR information is assigned in SR resource。Change owing to the quantity of information of this category information of HARQ/CQI is as the difference of carrier number, therefore just use more resource transmission, and SR only one of which information, and how much unrelated carrier number is, a resource is just enough。
Only with some examples, the application scenarios in the embodiment of the present invention is illustrated above, it is to be understood that in actual applications, it is also possible to have more application scenarios, be specifically not construed as limiting herein。
Below the embodiment of the SDP message pusher of the present invention for performing above-mentioned uplink control channel transmission method being illustrated, its logical structure refer to Fig. 4, and one embodiment of SDP message pusher in the embodiment of the present invention includes:
First acquiring unit 401, for obtaining the control information needed to base station feedback and the transformat selected based on ascending control channel；
Allocation units 402, for distributing the channel resource for described ascending control channel according to described control information and described transformat。
Terminal in the embodiment of the present invention may further include:
Instruction receives unit 403, for receiving the instruction message that base station sends, this instruction message is used for indicating described terminal when carrying out the transmission of described ascending control channel, determine that the transmission mode of described ascending control channel, the transmission mode of described ascending control channel include up multiple resource transmission mode and up single resource transmission pattern。
Terminal in the embodiment of the present invention can further include:
Second acquisition unit 404, for obtaining the configuration total number subcarriers for downlink data transmission according to the configuration information of described base station, and/or needs the total number of bits of mixed automatic retransfer HARQ information to described base station feedback；
Select unit 405, for terminal according to described total number subcarriers, and/or total number of bits, it is determined that the transmission mode of described ascending control channel, if using the pattern that up multiple resource transmits, then triggers the first acquiring unit 401。
Allocation units 402 in the embodiment of the present invention may include that
Carrier detection module 4021, needs to carry out data transmission or SPSrelease signalling for detecting whether only have on main carrier, and selects module 4022 to carry out respective handling according to detection triggers mode；
Mode selects module 4022, for determining, according to above-mentioned control message and transformat, the transmission means that up multiple resource transmits, is if desired assigned in multiple resource and is transmitted, then trigger PHM packet handling module 4023；Be transmitted if having only to be assigned in single resource, then directly triggers resource distributes module 4024；
PHM packet handling module 4023, for carrying out packet transaction according to carrier number or information bit sum to HARQ information；
Resource distribution module 4024, for selecting the selection result of module 4022 that needs feedack is carried out resource distribution according to mode。
The interaction that in the embodiment of the present invention, unit is concrete is as follows:
First acquiring unit 401 of terminal carries out configuration information and the schedule information of ascending control channel transmission according to current base station and terminal, obtains the control message and transformat that need to base station feedback；In embodiments of the present invention, terminal just can receive configuration information and the schedule information that base station sends when networking, and terminal is in the follow-up data with base station are transmitted, it is possible to carry out scheduling and the distribution of channel resource according to this configuration information and schedule information。It is understood that after terminal networks, due to cause specifics such as network adjustment, base station and terminal carry out the configuration information of ascending control channel transmission and schedule information may update change, and terminal is all as the criterion with current configuration information and schedule information。
In embodiments of the present invention, though totally using the transmission mode of multiple resource, but, transmit sometime in information, be likely to only need to use single resource situation (as terminal detect only main carrier has data to transmit time), the type according to transformat is now needed to carry out follow-up judgement (e.g., the carrier data detection carried out when transformat is Format3), so that the distribution of resource is more reasonable。
And, transmit sometime in the information of control, the number of types that the type of the control information of needs feedback and control information comprise all is likely to differ, in existing channel resource, different control message is likely to the channel resource having it corresponding, and in embodiments of the present invention, owing to adopting the pattern of multiple resource transmission, once transmission is likely to need to the polytype information of base station feedback (HARQ information described above and SR information), therefore, when carrying out resource distribution, it is necessary to distribute different information to its suitable channel resource as far as possible；And, owing to the quantity of information of various control message is not of uniform size, and the transformat adopted also has multiple choices, terminal needs the practical control message according to feedback and transformat to carry out resource distribution, so that various information are assigned on sizeable channel resource, it is achieved distributing rationally of resource。
Above-mentioned needs may include that HARQ information, CQI and dispatch request (SR, SchedulingRequest) information to the control message of described base station feedback；Above-mentioned transformat is Physical Uplink Control Channel (PUCCH, PhysicalUplinkControlChannel) data transmission format, is specifically as follows: Format3, Format2, Format2a, Format2b, Format1, Format1a and Format1b。
Optionally, before the first acquiring unit 401 performs operation, can by second acquisition unit 404 according to the currently stored configuration information carrying out ascending control channel transmission with base station in this locality, obtain for the total number subcarriers of downlink data transmission, and/or need the total number of bits of HARQ information to base station feedback；And by selecting unit 405 according to this total number subcarriers, and/or total number of bits selects ascending control channel transmission to be use up single resource transmission pattern, still uses the pattern that up multiple resource transmits；If using the pattern that up multiple resource transmits, then trigger the first acquiring unit 401。
Optionally, before the first acquiring unit 401 performs operation, if the transmission of up multiple resource is determined by base station end, then can also be received unit 403 by instruction and receive the instruction message that base station sends, this instruction message is used for indicating terminal when carrying out ascending control channel transmission, uses the pattern that up multiple resource transmits。
After getting above-mentioned configuration information and schedule information, the method that allocation units 402 determine transmission means that up multiple resource transmits and resource distribution according to above-mentioned control message and transformat。Concrete, can first identify the transformat needing feedback information, if this transformat is Format3, then first trigger carrier detection module 4021 to detect whether only main carrier to need to carry out data transmission or SPSrelease signalling, and select module 4022 to carry out respective handling according to detection triggers mode；Particularly as follows:
If carrier detection module 4021 detects that not only having on main carrier needs to carry out data transmission or SPSrelease signalling, then when the control message needing feedback comprises only HARQ information, described HARQ information is carried out packet transaction by PHM packet handling module 4023, and mode selects module 4022 that the HARQ information after packet transaction is separately dispensed into different transmitted over resources；When being carried out resource distribution by resource distribution module 4024, the resource that often group HARQ information is corresponding is respectively by the transmitting power control (TPC in certain different auxiliary carrier wave in carrier wave set, TransmissionPowerControl) module is specified, such as, respectively specified that by the TPC territory numbering minimum auxiliary carrier wave in carrier wave set respectively。
When the control message needing feedback includes HARQ information and CQI, terminal abandons CQI, and by PHM packet handling module 4023, described HARQ information is carried out packet transaction, mode selects module 4022 that the HARQ information after packet transaction is separately dispensed into different transmitted over resources, when being carried out resource distribution by resource distribution module 4024, the resource that often group HARQ information is corresponding is specified by the TPC territory in certain different auxiliary carrier wave in carrier wave set respectively。
When the control message needing feedback includes HARQ information and dispatch request SR information, this HARQ information is carried out packet transaction by PHM packet handling module 4023, mode selects module 4022 that the HARQ information of SR information with the carrier wave set comprising main carrier is carried out combined coding, it is put into SR transmitted over resources, the HARQ information of all the other carrier wave set is in original HARQ transmitted over resources, when being carried out resource distribution by resource distribution module 4024, it is respectively adopted SR resource and HARQ resource is allocated, the resource that often group HARQ information is corresponding is specified by the TPC territory in certain different auxiliary carrier wave in carrier wave set respectively。
If carrier detection module 4021 detects that only having on main carrier needs to carry out data transmission or SPSrelease signalling, then when the control message needing feedback comprises only HARQ information, mode selects module 4022 that this HARQ information is assigned to a transmitted over resources, when being carried out resource distribution by resource distribution module 4024, the numbering controlling Channel Elements of ascending control channel on main carrier or the TPC instruction of semi-persistent scheduling is utilized to determine a uplink control channel resource；Such as, when carrier wave set has major-minor carrier wave, then continue to use resource indicating mode of the prior art, if carrier wave set is auxiliary carrier wave entirely, then according to carrier index order, determine the channel resource of correspondence according to the TPC territory in auxiliary carrier wave。
When the control message needing feedback includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, mode selects the CQI information group that module 4022 selects multiple descending carrier corresponding to feed back, and select HARQ information and one group of CQI that transformat is adjusted to Format2a or Format2b multiplexing transmission, remaining CQI group adopts Format2, or whole CQI groups adopts Format2a or Format2b multiplexing transmission with HARQ information, concrete, HARQ information only has one group, the CQI of different groups carries this identical group HARQ information respectively and adopts Format2a or Format2b to carry out multiplexing transmission；When resource is distributed, it is allocated according to many group CQI resources；Concrete, if the HARQ value of information selects a CQI resource to carry out multiplexing transmission, it is possible to select according to the CQI that carrier number is corresponding, allow the CQI chosen carry this HARQ information and be transmitted in corresponding CQI resource；If do not support to transmit simultaneously, then abandon whole CQI feedback。In the prior art, different types of information is to have different resources originally, if selecting to carry the mode of transmission, that will economize next part resource, improves the utilization rate of resource。
When the control message needing feedback includes HARQ information and SR information, mode selects module 4022, in SR resource, transformat is adjusted to Format1a or Format1b to be transmitted, when being carried out resource distribution by resource distribution module 4024, semi-persistent scheduling is adopted to be allocated in SR resource。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback comprises only HARQ information, HARQ information is carried out packet transaction by PHM packet handling module 4023, mode selects module 4022 that the HARQ information after packet transaction is separately dispensed into different transmitted over resources, when being carried out resource distribution by resource distribution module 4024, many part resource are determined by the numbering controlling Channel Elements of carrier wave main and auxiliary in different carrier group or the instruction of TPC territory respectively；Such as, when carrier wave set has major-minor carrier wave, then continue to use resource indicating mode of the prior art, if carrier wave set is auxiliary carrier wave entirely, then according to carrier index order, determine the channel resource of correspondence according to the TPC territory in auxiliary carrier wave。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, mode selects module 4022 that described HARQ information is carried out packet transaction, and the CQI information group selecting multiple descending carrier corresponding feeds back, a CQI is selected to carry out combined coding modulation to the HARQ information of feedback required for each carrier wave set, and in CQI resource, adopt Format2b transmission, when being carried out resource distribution by resource distribution module 4024, it is allocated according to CQI resource；Concrete, when selecting Format1a/1b, when transmitting with CQI, HARQ information is also only have 2 bits, it is possible to carried transmission by CQI simultaneously；If do not support to transmit simultaneously, then abandon whole CQI feedback。Carried by whom, just use whose resource。So, such mode can select a CQI to carry, it is also possible to selecting multiple CQI to carry, resource just adopts the resource of original CQI。
If desired the transformat of feedback information is Format1b and Channel assignment, then when the control message needing feedback includes HARQ information and SR information, this HARQ information is carried out packet transaction by PHM packet handling module 4023, mode selects module 4022 to select the HARQ information of the carrier wave set comprising main carrier in SR transmitted over resources, HARQ information corresponding to all the other carrier wave set is in original transmitted over resources, when being distributed by resource distribution module 4024 resource, information in SR transmitted over resources adopts the method distribution of semi-persistent scheduling, and all the other are specified by the TPC territory in auxiliary carrier wave。
If desired the transformat of feedback information is Format2, and need the control message of feedback to comprise only CQI, then mode selects module 4022 that CQI corresponding for N number of carrier wave is separately dispensed into different transmitted over resources, N is equal with number of resources, and N is the integer more than 1, when being carried out resource distribution by resource distribution module 4024, adopting the method distribution of semi-persistent scheduling, the numbering of the resource number shared by the CQI of each carrier wave and carrier wave has the corresponding relation determined。
If desired the transformat of feedback information is Format1, and need the control message of feedback to comprise only SR information, then mode selects module 4022 in SR information described in a transmitted over resources, resource distribution module 4024, when carrying out resource distribution, this described SR information be assigned in SR resource。
The present invention carries out configuration information and the schedule information of ascending control channel transmission by base station and described terminal, obtain the information type and transformat that need to described base station feedback, and according to the method that this information type and transformat determine transmission means that up multiple resource transmits and resource distribution, terminal is made can reasonably to carry out the distribution of channel resource for different information types and transformat, so that channel resource is distributed rationally。
In several embodiments provided herein, it should be understood that disclosed apparatus and method can realize by another way。Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform。Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form。
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE。Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme。
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit。Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ the form of SFU software functional unit realizes。
If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium。Based on such understanding, part or all or part of of this technical scheme that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention。And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD。
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention。Therefore, protection scope of the present invention should described be as the criterion with scope of the claims。
Claims (10)
1. a uplink control channel transmission method, it is characterised in that including:
Terminal obtains control information and the transformat selected based on ascending control channel；
Described terminal, according to described control information and described transformat, distributes the channel resource of described ascending control channel；Before described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including: described terminal receives the instruction message that base station sends, described instruction message is used for indicating described terminal when carrying out the transmission of described ascending control channel, determine that the transmission mode of described ascending control channel, the transmission mode of described ascending control channel include up multiple resource transmission mode and up single resource transmission pattern；
Described terminal based on described ascending control channel channel resource to described base station transmit described control information。
2. method according to claim 1, it is characterised in that before described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
Described terminal obtains the configuration total number subcarriers for downlink data transmission according to the configuration information of described base station, and/or needs the total number of bits of mixed automatic retransfer HARQ information to described base station feedback；Described terminal is according to described total number subcarriers, and/or total number of bits, it is determined that the transmission mode of described ascending control channel, and the transmission mode of described ascending control channel includes up multiple resource transmission mode and up single resource transmission pattern。
3. method according to claim 1, it is characterized in that, when described control information comprises HARQ information, and described based on ascending control channel select transformat be Format3 time, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
When carrying out ascending control channel transmission in terminal and base station, terminal detects whether that only main carrier carries out data transmission or semi-persistent scheduling release SPSrelease signalling；
If not only having main carrier to carry out data transmission or SPSrelease signalling, then when described control information only includes HARQ information, described HARQ information is carried out packet transaction by terminal, HARQ information after packet transaction is separately dispensed on the channel resource of multiple described ascending control channel and transmits, described specified by the transmitting power control TPC territory of auxiliary carrier wave for the channel resource of the ascending control channel of HARQ information after being grouped；
When including HARQ information and channel quality information CQI when described control information, terminal abandons described CQI, and described HARQ information is carried out packet transaction, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, the resource often organizing HARQ information is specified by the TPC territory in certain auxiliary carrier wave in corresponding carrier wave set respectively；
When including HARQ information and dispatch request SR information when described control information, described HARQ information is carried out packet transaction by terminal, the HARQ information block of described SR information with the carrier wave set comprising main carrier is carried out combined coding, it is put into SR transmitted over resources, the HARQ information of all the other carrier wave set is in original HARQ transmitted over resources, when carrying out resource distribution, being respectively adopted SR resource and HARQ resource is allocated, the resource often organizing HARQ information is specified by the TPC territory in certain different auxiliary carrier wave in corresponding carrier wave set respectively；
If only main carrier carries out data transmission or SPSrelease signalling, then when described control information comprises only HARQ information, described HARQ information is assigned to a transmitted over resources by terminal, when resource is distributed, the numbering controlling Channel Elements of ascending control channel on main carrier or the TPC territory instruction of semi-persistent scheduling is utilized to determine a uplink control channel resource；
HARQ information and CQI is included when described information type, and support when CQI and HARQ transmits simultaneously, terminal selects the CQI information that multiple descending carriers are corresponding to feed back, and select CQI Format2a or the Format2b multiplexing transmission in a transmission format corresponding to HARQ information and a descending carrier, remaining CQI group adopts Format2, or whole CQI groups adopts Format2a or Format2b multiplexing transmission with HARQ information, when resource is distributed, is allocated according to multiple CQI resources；If do not support to transmit simultaneously, then abandon whole CQI feedback；
When including HARQ information and SR information when described control information, transformat is adjusted to Format1a or Format1b in SR resource and is transmitted by terminal, when resource is distributed, adopts semi-persistent scheduling to be allocated in SR resource。
4. method according to claim 1, it is characterized in that, if described control information comprises HARQ information, and transformat is Format1b and Channel assignment, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
When described control information comprises only HARQ information, described HARQ information is carried out packet transaction by terminal, HARQ information after packet transaction is separately dispensed into different transmitted over resources, when carrying out resource distribution, many part resource are determined by the numbering controlling Channel Elements of carrier wave main and auxiliary in different carrier group or the instruction of TPC territory respectively；
When described control information includes HARQ information and CQI, and support when CQI and HARQ transmits simultaneously, described HARQ information is carried out packet transaction by terminal, and select the CQI information that multiple descending carrier is corresponding to feed back, terminal selects one group of CQI to carry out combined coding modulation to the HARQ information of the required feedback of each carrier wave set, and in CQI resource, adopt Format2b transmission, when carrying out resource distribution, it is allocated according to CQI resource；If do not support to transmit simultaneously, then abandon whole CQI feedback；
When including HARQ information and SR information when described control information, described HARQ information is carried out packet transaction by terminal, select the HARQ information of the carrier wave set comprising main carrier in SR transmitted over resources, HARQ information corresponding to all the other carrier wave set is in original transmitted over resources, when resource is distributed, information in SR transmitted over resources adopts the method distribution of semi-persistent scheduling, and all the other are specified by the TPC territory in auxiliary carrier wave。
5. the method according to claim 1 to 2 any one, it is characterized in that, if described transformat is Format2, and described control information comprises only CQI, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
Terminal selects the CQI that N number of carrier wave is corresponding to be separately dispensed into different transmitted over resources, and described N and CQI number of resources is equal, and described N is the integer more than 1, when carrying out resource distribution, adopts the method distribution of semi-persistent scheduling。
6. the method according to claim 1 to 2 any one, it is characterized in that, if described transformat is Format1, and described control information comprises only SR information, then described terminal distributes the channel resource for described ascending control channel according to described control information and described transformat, including:
This described SR information, in SR information described in a transmitted over resources, when carrying out resource distribution, is assigned in SR resource by terminal。
7. the method according to claim 3 or 4, it is characterised in that described HARQ information is carried out packet transaction include:
Described HARQ information is carried out packet transaction by descending carrier sum or information bit sum according to configuration。
8. a terminal, it is characterised in that including:
First acquiring unit, for obtaining control information and the transformat selected based on ascending control channel；
Allocation units, for according to described control information and described transformat, distributing the channel resource of described ascending control channel；
Described terminal also includes: instruction receives unit, for receiving the instruction message that base station sends, described instruction message is used for indicating described terminal when carrying out the transmission of described ascending control channel, determine that the transmission mode of described ascending control channel, the transmission mode of described ascending control channel include up multiple resource transmission mode and up single resource transmission pattern；
Described terminal also includes the unit for transmitting described control information to described base station based on the channel resource of described ascending control channel。
9. terminal according to claim 8, it is characterised in that described terminal also includes:
Second acquisition unit, for obtaining the configuration total number subcarriers for downlink data transmission according to the configuration information of described base station, and/or needs the total number of bits of mixed automatic retransfer HARQ information to described base station feedback；
Select unit, for terminal according to described total number subcarriers, and/or total number of bits, it is determined that the transmission mode of described ascending control channel, if using up multiple resource transmission mode, then triggers described first acquiring unit。
10. terminal according to claim 8, it is characterised in that described allocation units include:
Carrier detection module, needs to carry out data transmission or SPSrelease signalling for detecting whether only have on downlink main carrier to carry, and selects module to carry out respective handling according to detection triggers mode；
Mode selects module, for determining, according to described control information and transformat, the transmission means that up multiple resource transmits, is if desired assigned in multiple resource and is transmitted, then trigger PHM packet handling module；Be transmitted if having only to be assigned in single resource, then directly triggers resource distributes module；
PHM packet handling module, for carrying out packet transaction according to described carrier number or described information bit sum to HARQ information；
Resource distribution module, for selecting the selection result of module that needs feedack is carried out resource distribution according to mode。
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| US11356217B2 (en) | 2016-11-04 | 2022-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | ACK/NACK transmission strategies |
| US10972213B2 (en) * | 2016-11-04 | 2021-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Simultaneous transmission of periodic CQI and ACK/NACK |
| CN108347321A (en) * | 2017-01-25 | 2018-07-31 | 华为技术有限公司 | A kind of communication means and device |
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