CN103427961A - Method for sending uplink control information and user equipment - Google Patents

Method for sending uplink control information and user equipment Download PDF

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Publication number
CN103427961A
CN103427961A CN2012101538421A CN201210153842A CN103427961A CN 103427961 A CN103427961 A CN 103427961A CN 2012101538421 A CN2012101538421 A CN 2012101538421A CN 201210153842 A CN201210153842 A CN 201210153842A CN 103427961 A CN103427961 A CN 103427961A
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carrier wave
csi
information
base stations
base station
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李强
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN2012101538421A priority Critical patent/CN103427961A/en
Priority to PCT/CN2013/070211 priority patent/WO2013170639A1/en
Publication of CN103427961A publication Critical patent/CN103427961A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a method for sending uplink control information and user equipment. At least one type of information of dispatching requesting information, needing to be sent, of uplink data and feedback information, needing to be sent, of downlink data and at least one piece of CSI are determined through UE; when the sum of UCI resources used for sending the CSI and UCI resources used for sending one type of information of the dispatching requesting information of the uplink data and the feedback information of the downlink data is larger than a preset UCI resource threshold, the UCI resources used for sending the CSI is reduced by the UE or the UCI resources used for sending one type of information of the dispatching requesting information of the uplink data and the feedback information of the downlink data, so that the sum of the used UCI resources is made to be smaller than or equal to the UCI resource threshold and when the CSI needs to be sent by the UE and one type of information of the feedback information of the downlink data and the dispatching requesting information of the uplink data needs to be sent by the UE, limitation caused by lack of the capacity of UCI is suitably relieved.

Description

Ascending control information sending method and subscriber equipment
Technical field
The present invention relates to the communication technology, relate in particular to a kind of ascending control information sending method and subscriber equipment (User Equipment, UE).
Background technology
At wireless communication system for example: Long Term Evolution (Long Term Evolution, LTE) in system, subscriber equipment (User Equipment, UE) send to evolved base station (Evolved NodeB, eNB) ascending control information (Uplink Control Information, UCI) be to be carried by Physical Uplink Control Channel (Physical Uplink Control Channel, PUCCH).UCI can comprise the feedback information (being the ACK information that is correctly received of downlink data or the nack message be not correctly received) of downlink data, dispatch request (the Scheduling Request of upstream data, SR) information and channel condition information (Channel Status Information, CSI).Due to coordinate multipoint (CoordinatedMultiple Points, CoMP), carrier aggregation (Carrier Aggregation, the introducing of technology such as CA), UE may have a plurality of eNB or carrier wave is its service simultaneously, now, UE need to send the CSI for each eNB or carrier wave to all eNB or the carrier wave that are its service by a UCI, and the dispatch request information of the feedback information of downlink data and upstream data.
Yet, due to the PUCCH resource-constrained, may occur that a UCI can't hold for all base stations for the common service of U E or the CSI of carrier wave, and the problem of the dispatch request information of the feedback information of downlink data and upstream data.How to alleviate the restriction that the UCI off-capacity causes and just become a problem.
Summary of the invention
The embodiment of the present invention provides a kind of ascending control information sending method and subscriber equipment, in order at UE, need to send CSI, and during in the dispatch request information of the feedback information of downlink data and upstream data at least one, suitably alleviate the problem of a UCI off-capacity.
On the one hand, a kind of ascending control information sending method comprises:
At least one information in the dispatch request information of the definite upstream data that need to send of UE and the feedback information of downlink data, and at least one CSI;
When the UCI resource that sends described at least one CSI and use, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold.
On the other hand, a kind of subscriber equipment comprises:
Determining unit, at least one information of the dispatch request information of the upstream data sent for definite needs and the feedback information of downlink data, and at least one channel condition information CSI;
Processor, for the ascending control information UCI resource of using as described at least one CSI of transmission, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, reduce and send the UCI resource that described at least one CSI is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold.
As shown from the above technical solution, the embodiment of the present invention is determined at least one information in the feedback information of the dispatch request information of the upstream data need sent and downlink data by UE, and at least one CSI, when the UCI resource that sends described at least one CSI and use, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold, can need to send CSI at UE, and during in the dispatch request information of the feedback information of downlink data and upstream data at least one, suitably alleviate the restriction that the UCI off-capacity causes.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the ascending control information sending method that Fig. 1 provides for one embodiment of the invention;
The structural representation of the subscriber equipment that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the subscriber equipment that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the subscriber equipment that Fig. 4 provides for another embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
The technical scheme of the embodiment of the present invention, can be applied to various wireless communication systems, for example: global system for mobile communications (Global System for Mobile Communications, GSM), GPRS (General Packet Radio Service, GPRS) system, code division multiple access (CodeDivision Multiple Access, CDMA) system, the CDMA2000 system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) system, Long Term Evolution (Long Term Evolution, LTE) system or World Interoperability for Microwave Access, WiMax (WorldInteroperability for Microwave Access, WiMAX) system etc.
Base station, can be base station (the BaseTransceiver Station in gsm system, gprs system or cdma system, BTS), it can also be the base station (NodeB) in CDMA2000 system or WCDMA system, can also be evolved base station (the Evolved NodeB in the LTE system, eNB), can also be the network elements such as base station (Access ServiceNetwork Base Station, ASN BS) of the access service network in the WiMAX network.
The schematic flow sheet of the ascending control information sending method that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, the ascending control information sending method of the present embodiment can comprise:
101, at least one information in the feedback information of the dispatch request information of the definite upstream data that need to send of UE and downlink data, and at least one CSI.
102, when the UCI resource that sends described at least one CSI and use, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold.
The CoMP technology of take in the LTE system is example, and it is a U E service that a plurality of eN B are arranged simultaneously, and one of them eN B is main services sites (Serving eNB), and other eNB are collaboration site (Cooperative eNB).Main services sites is used for controlling the behavior of this UE, and sends control signaling.Collaboration site is for further strengthening signal quality.Now, UE needs by UCI, to be fed back for the CSI of these eNB.The CA technology of take again in the LTE system is example, and it is a UE service that a plurality of carrier waves are arranged simultaneously, and a plurality of carrier waves are served the transmission data rate that can improve UE simultaneously.Now UE needs by UCI, to be fed back for the CSI of these carrier waves.
At some subframe (constantly), UE had both needed to send the CSI for these eNB or carrier wave, needed again to send for the dispatch request information of the upstream data of these eNB or carrier wave and/or the feedback information of downlink data (being the ACK information that is correctly received of downlink data or the nack message be not correctly received).But, due to the restriction of device and communication protocol, UE can't support to send a plurality of UCI on an antenna port simultaneously, so the feedback information of described downlink data and CSI need to be fed back by a UCI.Therefore, the UCI resource of using as the CSI that sends these eNB or carrier wave, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE can carry out the operation that reduce to send the UCI resource that described at least one CSI uses, or the operation of the UCI resource used of at least one information in the feedback information that reduces the dispatch request information that sends described upstream data and described downlink data of carrying out.
Alternatively, in an optional execution mode of the present embodiment, at least one CSI that the definite needs of described UE send is the CSI for a base station or carrier wave; So, correspondingly, in 102, described UE can abandon described at least one CSI, in order to realize reducing the UCI resource that described at least one CSI of transmission is used.Wherein, a described base station or carrier wave are described UE service base station or carrier wave.Like this, can effectively reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, the CSI that the definite needs of described UE send is the CSI for each base station at least two base stations or carrier wave or carrier wave; So, correspondingly, in 102, described UE specifically can be according to the priority of at least two base stations or carrier wave, abandons for described at least two base stations or lower at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave.Wherein, described at least two base stations or carrier wave are common base station or carrier wave for described UE service, like this, can effectively reduce and send the UCI resource that described at least one CSI is used.The CoMP technology of take in the LTE system is example, the size after the described coding of the CSI at least two eNB, and while with the feedback information coding big or small sum afterwards of the dispatch request information of upstream data and/or downlink data, being greater than the preset capacity of UCI,
For example: the size after the dispatch request information of the described upstream data that described UE obtains in 101 and/or the feedback information of described downlink data coding is the 2bit(bit), now, can hold the dispatch request information of described upstream data and/or the feedback information of described downlink data if abandon the CSI of the base station minimum for priority, UE abandons the CSI of the base station minimum for priority.
Again for example: the size after the dispatch request information of the described upstream data that described UE obtains in 101 and/or the feedback information of described downlink data coding is 6bit, now, if the CSI abandoned for the minimum and inferior low base station of priority can hold the dispatch request information of described upstream data and/or the feedback information of described downlink data, UE abandons the CSI for the minimum and inferior low base station of priority.
Further, after 102, described UE can send the UCI at least two base stations or carrier wave, described UCI comprises for described at least two base stations or the highest at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave, for at least one information in the feedback information of the dispatch request information of the upstream data of described at least two base stations or carrier wave and downlink data, wherein, described for described at least two base stations or the highest at least one base station of carrier wave medium priority or the shared UCI resource of at least one CSI of carrier wave, the UCI resource sum shared with at least one information in the feedback information of the dispatch request information of described upstream data and described downlink data is less than or equal to described UCI resource threshold.
Alternatively, in an optional execution mode of the present embodiment, before 102, described UE can also further receive high-level signaling, comprises the priority of described at least two base stations or carrier wave in described high-level signaling.
The CoMP technology of take in the LTE system is example, and described UE can further receive the high-level signaling that main services sites (Serving eNB) sends, and comprises the priority of described at least two base stations or carrier wave in described high-level signaling.
For example: specifically can control by Radio Resource (Radio Resource Control, RRC) (the Information Element of the information element in message, IE) carry the priority of main services sites (Serving eNB) and other collaboration site (Cooperative eNB), described RRC message can be RRC message of the prior art, such as: (RRC CONNECTIONRECONFIGURATION) message etc. is reshuffled in the RRC connection, the present embodiment is not limited this, expand the priority of carrying main services sites (Serving eNB) and other collaboration site (Cooperative eNB) by the IE to existing RRC message, perhaps described RRC message also can be for being different from existing RRC message in prior art.
Again for example: specifically can also control (Media Access Control by increasing new media interviews, MAC) control element (Control Element, CE) message is carried the priority of main services sites (Serving eNB) and other collaboration site (Cooperative eNB).
Alternatively, in an optional execution mode of the present embodiment, described UE can also for example, according to the pre-configured priority that obtains described at least two base stations: the agreement agreement.The CoMP technology of take in the LTE system is example, and described UE can obtain according to the agreement agreement priority of main services sites (ServingeNB) and other collaboration site (Cooperative eNB).
Alternatively, in an optional execution mode of the present embodiment, in 102, it is that the modulation system (the even more modulation system of high-order) of 16QAM, 64QAM or 256QAM is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave that described UE specifically can adopt 16 grades of quadrature amplitude modulation (Quadrature Amplitude Modulation, QAM); Correspondingly, described UE can adopt Quadrature Phase Shift Keying (Quadrature Phase Shift Keying, QPSK) modulation system is modulated at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, like this, can further reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, in 102, described UE specifically can described UE be encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave, and at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data is encoded, wherein, the code efficiency that described UE is encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave is less than the code efficiency that described UE is encoded at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, like this, can further reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, the CSI of described UE to each base station in described at least two base stations or carrier wave or carrier wave, at least one information with in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, specifically can adopt the absolute coding code check.Particularly, can realize by adopting independently encoder.Adopt the absolute coding code check can be so that for a CSI of each base station in described at least two base stations or carrier wave or carrier wave, with at least one information acquisition in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data transmission performance independently, for example: at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, can adopt low code check to be encoded, to obtain higher transmission reliability, and can adopt high code rate to be encoded for a CSI of each base station in described at least two base stations or carrier wave or carrier wave, because the importance of CSI is lower than the feedback information of downlink data, so can adopt the encoder bit rate of less reliable to reduce expense.
Alternatively, in an optional execution mode of the present embodiment, the CSI of described UE to each base station in described at least two base stations or carrier wave or carrier wave, with at least one information in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, specifically can adopt the hybrid coding code check to be encoded, terminal complexity is lower to adopt the hybrid coding code check.
For example: if UE has determined the feedback information that needs the downlink data of transmission, and at least one CSI, so, can adopt the encoder (encoder 1) of the first encoder bit rate to be encoded to the feedback information of downlink data, adopt the encoder (encoder 2) of the second encoder bit rate to be encoded to CSI; Perhaps can also adopt the one and same coding device to be encoded to the feedback information of downlink data and the information after the CSI mixing.
For example: if UE has determined the dispatch request information that needs the upstream data of transmission, and at least one CSI, so, can adopt the encoder (encoder 1) of the first encoder bit rate to be encoded to the dispatch request information of upstream data, adopt the encoder (encoder 2) of the second encoder bit rate to be encoded to CSI; Perhaps can also adopt the one and same coding device to be encoded to the dispatch request information of upstream data and the information after the CSI mixing.
For example: if UE has determined the feedback information that needs the downlink data of transmission, and at least one CSI, so, can adopt the encoder (encoder 1) of the first encoder bit rate to be encoded to the feedback information of downlink data, adopt the encoder (encoder 2) of the second encoder bit rate to be encoded to the dispatch request information of upstream data, adopt the encoder (encoder 3) of the 3rd encoder bit rate to be encoded to CSI; Perhaps can also adopt the encoder (encoder 4) of the 4th encoder bit rate to be encoded to the feedback information of downlink data and the dispatch request information mixing information afterwards of upstream data, adopt the encoder (encoder 5) of the 5th encoder bit rate to be encoded to CSI; Perhaps can also adopt the one and same coding device to be encoded to the feedback information of downlink data, the dispatch request information of upstream data and the information after the CSI mixing.
Alternatively, in an optional execution mode of the present embodiment, in 102, described UE specifically can be according to sending the carrier wave of downlink data and the transmission mode of described carrier wave at least one carrier wave, on subframe in transmission for the CSI of described at least one carrier wave, send the feedback information of described downlink data, like this, can effectively reduce the UCI resource that the feedback information that sends described downlink data is used.
The CoMP technology of take in the LTE system is example, on the subframe sent at the CSI had for described at least one carrier wave, the feedback information of downlink data of carrier wave or transmission mode eNB can need to send to(for) UE limit, the quantity of the feedback information of the downlink data that makes UE to send is lower, and more UCI Resource Supply CSI feedback can be arranged like this.
Concrete, the quantity of the feedback information of the downlink data that UE need to send is relevant with the number of carriers of described UE configuration, can suppose that a UE has configured 3 carrier waves, the 1st, 2 carrier waves, the transmission mode of UE is supported at most the transmission of two transmission blocks (feedback information of the corresponding downlink data of each transmission block), so to each carrier wave, the feedback information that needs the downlink data of transmission 2bit, at the 3rd carrier wave, the transmission mode of UE is supported at most a transmission block, and this UE need to send the feedback information of the downlink data of 2+2+1=5bit altogether.
For example: the eNB regulation, on the subframe that has CSI to send, base station only sends data to UE on the 1st carrier wave, and the 2nd, 3 carrier waves can not used, and UE just only need to carry out for the 1st carrier wave the feedback of downlink data so, so only needs to send 2bit;
Again for example: eNB regulation, on the subframe that has CSI to send, the most multiple data block on each carrier wave of base station, UE just only needs each carrier wave feedback 1bit so, altogether 3bit just can, can economize out so more space and feed back to CSI.
Alternatively, in an optional execution mode of the present embodiment, in 102, described UE specifically can adopt the even more modulation system of high-order of 16QAM, 64QAM or 256QAM() modulation system the dispatch request information of described upstream data is modulated; Correspondingly, the modulation system that described UE can adopt QPSK is modulated like this CSI of each base station in described at least two base stations or carrier wave or carrier wave, can effectively reduce the UCI resource that the dispatch request information that sends described upstream data is used.
In the present embodiment, determine at least one information in the feedback information of the dispatch request information of the upstream data need sent and downlink data by UE, and at least one CSI, when the UCI resource that sends described at least one CSI and use, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold, can need to send CSI at UE, and during in the dispatch request information of the feedback information of downlink data and upstream data at least one, suitably alleviate the restriction that the UCI off-capacity causes.
It should be noted that: for aforesaid each embodiment of the method, for simple description, therefore it all is expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, there is no the part described in detail in certain embodiment, can be referring to the associated description of other embodiment.
The structural representation of the subscriber equipment that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2, the determining unit 21 of the present embodiment and processor 22.Wherein, at least one information of the dispatch request information of the upstream data that determining unit 21 sends for definite needs and the feedback information of downlink data, and at least one CSI; The UCI resource of processor 22 for using as described at least one CSI of transmission, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, reduce to send the UCI resource that described at least one CSI is used, or reduce the UCI resource that at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is used.
Alternatively, in an optional execution mode of the present embodiment, the CSI that the definite needs of determining unit 21 send is the CSI for a base station or carrier wave; So, correspondingly, processor 22 specifically can abandon described at least one CSI, in order to realize reducing the UCI resource that described at least one CSI of transmission is used.Wherein, base station or carrier wave that a described base station or carrier wave are described UE service, like this, can effectively reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, the CSI that the definite needs of determining unit 21 send is the CSI for each base station at least two base stations or carrier wave or carrier wave; So, correspondingly, processor 22 specifically can be according to the priority of at least two base stations or carrier wave, abandons for described at least two base stations or lower at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave.Wherein, described at least two base stations or carrier wave are common base station or carrier wave for described UE service, like this, can effectively reduce and send the UCI resource that described at least one CSI is used.
Further, as shown in Figure 3, the subscriber equipment that the present embodiment provides can further include transmitter 31, for sending the UCI at least two base stations or carrier wave, described UCI comprises for described at least two base stations or the highest at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave, for at least one information in the feedback information of the dispatch request information of the upstream data of described at least two base stations or carrier wave and downlink data, wherein, described for described at least two base stations or the highest at least one base station of carrier wave medium priority or the shared UCI resource of at least one CSI of carrier wave, the UCI resource sum shared with at least one information in the feedback information of the dispatch request information of described upstream data and described downlink data is less than or equal to described UCI resource threshold.
Alternatively, in an optional execution mode of the present embodiment, as shown in Figure 4, the subscriber equipment that this enforcement provides can further include receiver 41, for receiving high-level signaling, comprise the priority of described at least two base stations or carrier wave in described high-level signaling.
The CoMP technology of take in the LTE system is example, and 41 of receivers can further receive the high-level signaling that main services sites (Serving eNB) sends, and comprises the priority of described at least two base stations or carrier wave in described high-level signaling.
For example: specifically can control by Radio Resource (Radio Resource Control, RRC) (the Information Element of the information element in message, IE) carry the priority of main services sites (Serving eNB) and other collaboration site (Cooperative eNB), described RRC message can be RRC message of the prior art, such as: (RRC CONNECTIONRECONFIGURATION) message etc. is reshuffled in the RRC connection, the present embodiment is not limited this, expand the priority of carrying main services sites (Serving eNB) and other collaboration site (Cooperative eNB) by the IE to existing RRC message, perhaps described RRC message also can be for being different from existing RRC message in prior art.
Again for example: specifically can also control (Media Access Control by increasing new media interviews, MAC) control element (Control Element, CE) message is carried the priority of main services sites (Serving eNB) and other collaboration site (Cooperative eNB).
Alternatively, in an optional execution mode of the present embodiment, processor 22 can also for example, according to the pre-configured priority that obtains described at least two base stations: the agreement agreement.The CoMP technology of take in the LTE system is example, and 22 of processors can obtain according to the agreement agreement priority of main services sites (ServingeNB) and other collaboration site (Cooperative eNB).
Alternatively, in an optional execution mode of the present embodiment, the modulation system that processor 22 specifically can adopt 16QAM, 64QAM or 256QAM is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave; Correspondingly, the modulation system that 22 of processors can adopt QPSK is modulated at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, like this, can further reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, processor 22 specifically can be encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave, and at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data is encoded, wherein, the code efficiency that described UE is encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave is less than the code efficiency that described UE is encoded at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, like this, can further reduce and send the UCI resource that described at least one CSI is used.
Alternatively, in an optional execution mode of the present embodiment, processor 22 can also be further to a CSI of each base station in described at least two base stations or carrier wave or carrier wave, at least one information with in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, specifically can adopt the absolute coding code check.Particularly, can realize by adopting independently encoder.Adopt the absolute coding code check can be so that for a CSI of each base station in described at least two base stations or carrier wave or carrier wave, with at least one information acquisition in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data transmission performance independently, for example: at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data, can adopt low code check to be encoded, to obtain higher transmission reliability, and can adopt high code rate to be encoded for a CSI of each base station in described at least two base stations or carrier wave or carrier wave, because the importance of CSI is lower than the feedback information of downlink data, so can adopt the encoder bit rate of less reliable to reduce expense.
Alternatively, in an optional execution mode of the present embodiment, processor 22 can also be further to a CSI of each base station in described at least two base stations or carrier wave or carrier wave, with at least one information in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, specifically can adopt the hybrid coding code check to be encoded, terminal complexity is lower to adopt the hybrid coding code check.
Alternatively, in an optional execution mode of the present embodiment, processor 22 specifically can be according to sending the carrier wave of downlink data and the transmission mode of described carrier wave at least one carrier wave, on subframe in transmission for the CSI of described at least one carrier wave, send the feedback information of described downlink data, like this, can effectively reduce the UCI resource that the feedback information that sends described downlink data is used.
Alternatively, in an optional execution mode of the present embodiment, processor 22 specifically can adopt the modulation system of 16QAM, 64QAM or 256QAM to be modulated the dispatch request information of described upstream data; Correspondingly, the modulation system that 22 of processors can adopt QPSK is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave.
In the present embodiment, subscriber equipment is determined at least one information in the feedback information of the dispatch request information of the upstream data need sent and downlink data by determining unit, and at least one CSI, the UCI resource that makes processor use as described at least one CSI of transmission, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold, can need to send CSI at UE, and during in the dispatch request information of the feedback information of downlink data and upstream data at least one, suitably alleviate the restriction that the UCI off-capacity causes.
The those skilled in the art can be well understood to, for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual the realization, other dividing mode can be arranged, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as the separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed on a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the purpose of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the part steps of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (20)

1. an ascending control information sending method, is characterized in that, comprising:
At least one information in the dispatch request information of the definite upstream data that need to send of user equipment (UE) and the feedback information of downlink data, and at least one channel condition information CSI;
When the ascending control information UCI resource that sends described at least one CSI and use, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, described UE reduces the UCI resource that described at least one CSI of transmission is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold.
2. method according to claim 1, is characterized in that, described at least one CSI is the CSI for a base station or carrier wave; Described UE reduces the UCI resource that described at least one CSI of transmission is used, and comprising:
Described UE abandons a described CSI.
3. method according to claim 1, is characterized in that, described at least one CSI is the CSI for each base station at least two base stations or carrier wave or carrier wave; Described UE reduces the UCI resource that described at least one CSI of transmission is used, and comprising:
Described UE is according to the priority of at least two base stations or carrier wave, abandons for described at least two base stations or lower at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave.
4. method according to claim 3, it is characterized in that, described UE is according to the priority of at least two base stations or carrier wave, after abandoning the CSI for described at least two base stations or lower at least one base station of carrier wave medium priority or each base station in carrier wave or carrier wave, also comprises:
Described UE sends the UCI at least two base stations or carrier wave, described UCI comprises for described at least two base stations or the highest at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave, and at least one information in the feedback information of the dispatch request information of the upstream data of described at least two base stations or carrier wave and downlink data, wherein, described for described at least two base stations or the highest at least one base station of carrier wave medium priority or the shared UCI resource of at least one CSI of carrier wave, the UCI resource sum shared with at least one information in the feedback information of the dispatch request information of described upstream data and described downlink data is less than or equal to described UCI resource threshold.
5. according to the described method of claim 3 or 4, it is characterized in that, described UE is according to the priority of at least two base stations or carrier wave, before abandoning the CSI for described at least two base stations or lower at least one base station of carrier wave medium priority or each base station in carrier wave or carrier wave, described method also comprises:
Described UE receives high-level signaling, comprises the priority of described at least two base stations or carrier wave in described high-level signaling.
6. according to the described method of the arbitrary claim of claim 3～5, it is characterized in that, described UE reduces the UCI resource that described at least one CSI of transmission is used, and also comprises:
The modulation system that described UE adopts 16 quadrature amplitude modulation QAM, 64QAM or 256QAM is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave;
The modulation system that described UE adopts Quadrature Phase Shift Keying QPSK is modulated at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data.
7. according to the described method of the arbitrary claim of claim 3～6, it is characterized in that, described UE reduces the UCI resource that described at least one CSI of transmission is used, and also comprises:
Described UE is encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave, and at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data is encoded, wherein, the code efficiency that described UE is encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave is less than the code efficiency that described UE is encoded at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data.
8. according to the described method of the arbitrary claim of claim 3～7, it is characterized in that, described method also comprises:
The CSI of described UE to each base station in described at least two base stations or carrier wave or carrier wave, at least one information with in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, adopt absolute coding code check or hybrid coding code check to be encoded.
9. according to the described method of the arbitrary claim of claim 1～8, it is characterized in that, the UCI resource that the feedback information that described U E minimizing sends described downlink data is used comprises:
Described UE, according to sending the carrier wave of downlink data and the transmission mode of described carrier wave at least one carrier wave, on the subframe in transmission for the CSI of described at least one carrier wave, sends the feedback information of described downlink data.
10. according to the described method of the arbitrary claim of claim 1～9, it is characterized in that, the UCI resource that the dispatch request information that described UE minimizing sends described upstream data is used comprises:
Described UE adopts the modulation system of 16QAM, 64QAM or 256QAM to be modulated the dispatch request information of described upstream data;
The modulation system of described UE employing QPSK is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave.
11. a subscriber equipment, is characterized in that, comprising:
Determining unit, at least one information of the dispatch request information of the upstream data sent for definite needs and the feedback information of downlink data, and at least one channel condition information CSI;
Processor, for the ascending control information UCI resource of using as described at least one CSI of transmission, when the UCI resource sum of using with at least one information in the feedback information of the dispatch request information that sends described upstream data and described downlink data is greater than the UCI resource threshold set in advance, reduce and send the UCI resource that described at least one CSI is used, the UCI resource that perhaps at least one information in the feedback information of the dispatch request information of the described upstream data of minimizing transmission and described downlink data is used, so that the UCI resource sum of using is less than or equal to described UCI resource threshold.
12. subscriber equipment according to claim 11, is characterized in that, at least one CSI that the definite needs of described determining unit send is the CSI for a base station or carrier wave; Described processor specifically for
Abandon a described CSI.
13. subscriber equipment according to claim 11, is characterized in that, at least one CSI that the definite needs of described determining unit send is the CSI for each base station at least two base stations or carrier wave or carrier wave; Described processor specifically for
According to the priority of at least two base stations or carrier wave, abandon for described at least two base stations or lower at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave.
14. subscriber equipment according to claim 13, is characterized in that, described subscriber equipment also comprises transmitter, for
Transmission is for the UCI of at least two base stations or carrier wave, described UCI comprises for described at least two base stations or the highest at least one base station of carrier wave medium priority or a CSI of each base station in carrier wave or carrier wave, and at least one information in the feedback information of the dispatch request information of the upstream data of described at least two base stations or carrier wave and downlink data, wherein, described for described at least two base stations or the highest at least one base station of carrier wave medium priority or the shared UCI resource of at least one CSI of carrier wave, the UCI resource sum shared with at least one information in the feedback information of the dispatch request information of described upstream data and described downlink data is less than or equal to described UCI resource threshold.
15. according to the described subscriber equipment of claim 13 or 14, it is characterized in that, described subscriber equipment also comprises receiver, for
Receive high-level signaling, comprise the priority of described at least two base stations or carrier wave in described high-level signaling.
16. according to the described subscriber equipment of the arbitrary claim of claim 13～15, it is characterized in that, described processor specifically for
The modulation system that adopts 16 quadrature amplitude modulation QAM, 64QAM or 256QAM is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave;
The modulation system that adopts Quadrature Phase Shift Keying QPSK is modulated at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data.
17. according to the described subscriber equipment of the arbitrary claim of claim 13～16, it is characterized in that, described processor specifically for
The CSI to each base station in described at least two base stations or carrier wave or carrier wave is encoded, and at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data is encoded, wherein, the code efficiency that described UE is encoded to a CSI of each base station in described at least two base stations or carrier wave or carrier wave is less than the code efficiency that described UE is encoded at least one information in the feedback information of the dispatch request information of the upstream data for described at least two base stations or carrier wave and downlink data.
18. according to the described subscriber equipment of the arbitrary claim of claim 13～17, it is characterized in that, described processor also for
The CSI to each base station in described at least two base stations or carrier wave or carrier wave, at least one information with in the feedback information of the dispatch request information of upstream data for described at least two base stations or carrier wave and downlink data, adopt absolute coding code check or hybrid coding code check to be encoded.
19. subscriber equipment according to claim 11, is characterized in that, described processor specifically for
According to sending the carrier wave of downlink data and the transmission mode of described carrier wave at least one carrier wave, on the subframe in transmission for the CSI of described at least one carrier wave, send the feedback information of described downlink data.
20. subscriber equipment according to claim 11, is characterized in that, described processor specifically for
Adopt the modulation system of 16QAM, 64QAM or 256QAM to be modulated the dispatch request information of described upstream data;
The modulation system of employing QPSK is modulated a CSI of each base station in described at least two base stations or carrier wave or carrier wave.
CN2012101538421A 2012-05-17 2012-05-17 Method for sending uplink control information and user equipment Pending CN103427961A (en)

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