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WO2017016337A1 - 上行控制信息传输方法及装置 - Google Patents

上行控制信息传输方法及装置 Download PDF

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Publication number
WO2017016337A1
WO2017016337A1 PCT/CN2016/085737 CN2016085737W WO2017016337A1 WO 2017016337 A1 WO2017016337 A1 WO 2017016337A1 CN 2016085737 W CN2016085737 W CN 2016085737W WO 2017016337 A1 WO2017016337 A1 WO 2017016337A1
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WO
WIPO (PCT)
Prior art keywords
subframe
ack
nack
uplink control
control information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/085737
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English (en)
French (fr)
Inventor
高雪娟
邢艳萍
林亚男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to EP16829704.2A priority Critical patent/EP3331185A4/en
Priority to KR1020187004551A priority patent/KR102142792B1/ko
Priority to US15/748,629 priority patent/US10727981B2/en
Priority to JP2018504635A priority patent/JP6700377B2/ja
Publication of WO2017016337A1 publication Critical patent/WO2017016337A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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 signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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

Definitions

  • the present disclosure relates to the field of wireless communications technologies, and in particular, to an uplink control information transmission method and apparatus.
  • MTC Machine Type Communication
  • LTE Long Term Evolution
  • An MTC device may have some of the characteristics of a variety of machine to machine (M2M, Machine to Machine) communication characteristics, such as low mobility, small amount of transmitted data, insensitivity to communication delay, and extremely low requirements. Features such as power consumption.
  • M2M Machine to Machine
  • UE User Equipment
  • a new type of UE is defined, and both uplink and downlink support only 1.4 MHz radio frequency bandwidth.
  • terminals working in some scenarios are severely blocked due to wireless signals, and the signals are greatly attenuated and cannot communicate with the network. Deep coverage of the network in the scenario will greatly increase the network construction cost.
  • a more feasible method is to use repeated transmission or the like for the channel of the related art. For example, for uplink control information, repeated transmission techniques may be employed to increase coverage.
  • Uplink Control Information includes ACK/NACK (ACKnowledgement/Non-ACKnowledgement), Channel State Information (CSI), and Scheduling Request (SR).
  • the ACK/NACK transmission subframe is determined according to the feedback timing, and the SR transmission subframe is a pre-configured periodic subframe, so when an overlay enhanced transmission is performed, an uplink control information is repeatedly transmitted. During the time period, another type of uplink control information may appear at a certain time point, that is, two types of uplink control information collide.
  • the embodiments of the present disclosure provide a method and an apparatus for transmitting uplink control information, which are used to implement repeated transmission of uplink control information.
  • the selected uplink control information is transmitted in the first subframe.
  • the received subframe includes a first subframe, where the first subframe is both an ACK/NACK transmission subframe and an SR transmission subframe; wherein, according to an uplink control information selection rule, the first subframe
  • the uplink control information transmitted includes one of ACK/NACK and SR;
  • the uplink control information is obtained from the ACK/NACK transmission subframe and/or the SR transmission subframe in the received subframe according to the uplink control information selection rule used by the terminal.
  • a determining module configured to determine a subframe for repeatedly transmitting uplink control information, where the uplink control information includes a positive acknowledgement ACK/negative acknowledgement NACK and a scheduling request SR;
  • a selecting module if it is determined that the ACK/NACK and the SR need to be transmitted in the first subframe, selecting an uplink from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the uplink control information selection rule Control information
  • a transmission module configured to transmit the selected uplink control information in the first subframe.
  • a receiving module configured to receive a subframe, where the received subframe includes a first subframe, where the first subframe is a positive acknowledgement ACK/negative acknowledgement NACK transmission subframe and a scheduling request SR transmission subframe; wherein, according to the uplink a control information selection rule, where the uplink control information transmitted by the first subframe includes one of ACK/NACK and SR;
  • an obtaining module configured to acquire uplink control information from the ACK/NACK transmission subframe and/or the SR transmission subframe in the received subframe according to the uplink control information selection rule used by the terminal.
  • determining a subframe in which the uplink control information is repeatedly transmitted and if it is determined that the ACK/NACK and the SR need to be transmitted in the first subframe, the ACK/NACK required to be transmitted in the first subframe is required. And selecting one uplink control information from the SR, and transmitting the selected uplink control information in the first subframe.
  • the repeated transmission performance may be prevented from being deteriorated due to the hopping of the ACK/NACK or SR retransmission transmission, or the correct transmission may be performed.
  • FIG. 1a and 1b are schematic diagrams showing the repeated transmission of SR in the related art
  • FIG. 2 is a schematic flowchart of an uplink control information transmission process implemented on a terminal side according to at least one embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of an uplink control information transmission process implemented on a base station side according to at least one embodiment of the present disclosure
  • FIG. 4a and FIG. 4b are two other schematic diagrams of an uplink control information transmission process implemented on a terminal side according to at least one embodiment of the present disclosure
  • 5a and 5b are uplink control signals implemented on a base station side according to at least one embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal according to at least one embodiment of the present disclosure.
  • FIG. 7 is another schematic structural diagram of a terminal according to at least one embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a base station according to at least one embodiment of the present disclosure.
  • FIG. 9 is another schematic structural diagram of a base station according to at least one embodiment of the present disclosure.
  • the ACK/NACK may use a physical uplink control channel (PUCCH, Physical Uplink Control CHannel) format 1a/1b, a PUCCH format 1b with channel selection, a PUCCH format 1b with channel selection, or a PUCCH format 3
  • the transmission resource may be an implicit PUCCH resource determined according to a Control Channel Element (CCE)/Enhanced-Control Channel Element (E-CCE), or may be a high-level signaling advance.
  • Configured semi-static PUCCH resources Its transmission subframe position is determined according to a predetermined feedback timing.
  • FDD Frequency Division Duplex
  • the downlink subframe for ACK/NACK feedback in the uplink subframe n is n-4.
  • the terminal For a Time Division Duplex (TDD) system, the terminal needs to feed back ACK/NACK feedback information of multiple downlink subframes in the same uplink subframe.
  • the number of downlink subframes in which the ACK/NACK feedback is performed in the same uplink subframe is defined as M, and the values of the different uplink subframes and the different TDD uplink/downlink configurations are different.
  • the downlink subframe set in which the ACK/NACK feedback is performed in the uplink subframe n is the downlink subframe with the subframe number nk, where k is the set corresponding to the uplink subframe n in Table 1 ⁇ k 0 ,k An element in 1 ,...k M-1 ⁇ .
  • the special subframe has no ACK/NACK feedback, that is, the uplink subframe n corresponds to Special subframes are not included in the downlink subframe set.
  • Table 1 The downlink subframe index set corresponding to the uplink subframe in the TDD system
  • Table 1 shows a case of K corresponding to each uplink subframe by taking a radio frame as an example, where n-k ⁇ 0 represents a downlink subframe in the previous radio frame.
  • the SR uses PUCCH format 1 transmission, and its transmission resource is a PUCCH resource pre-configured by high-layer signaling.
  • the transmission subframe is a pre-configured periodic subframe, and its periodic SR PERIODICITY and subframe offset value N OFFSET, SR are all configured by higher layer signaling.
  • the pre-configured parameter I SR indicates that the specific correspondence is as shown in Table 2.
  • Whether to transmit the SR depends on whether the terminal higher layer triggers the terminal to transmit the SR, that is, whether the terminal has uplink data to be sent, and thus needs to request to schedule the uplink resource. It can be seen that the base station can accurately determine the uplink subframe in which the terminal transmits the ACK/NACK according to the subframe in which the downlink service is scheduled, so that the ACK/NACK is received in the subframe; but the base station cannot determine the uplink subframe in which the terminal actually transmits the SR, and needs to be in the subframe.
  • the SR PUCCH channel is monitored in the periodic SR subframe, and it is determined whether the terminal transmits the SR according to whether the information is received on the PUCCH channel resource corresponding to the SR.
  • Table 2 UE-specific SR periodicity and subframe offset configuration (UE-specific SR periodicity and subframe offset configuration)
  • ACK/NACK and SR are supported to be simultaneously transmitted on the PUCCH in the same uplink subframe.
  • the ACK/NACK and the SR can be simultaneously transmitted by joint coding, that is, the 1-bit SR information is concatenated at the end of the ACK/NACK information, encoded together with the ACK/NACK, and transmitted using the PUCCH format3 scheme.
  • the base station side does not determine whether the terminal actually has an SR in the SR subframe, and cannot determine the number of bits actually transmitted by the terminal, so that the decoding cannot be performed correctly. Therefore, when the ACK/NACK and the SR are jointly coded and transmitted using PUCCH format3,
  • the base station and the terminal have the same understanding of the number of transmission bits, and it is necessary to stipulate a fixed number of transmission bits, that is, there is always a 1-bit SR transmission in the SR subframe (even if the terminal does not actually need to transmit the SR, it needs to generate 1-bit information as the occupation. Bit).
  • the terminal uses PUCCH format 1b with channel or PUCCH format 1a/1b, if there is both SR transmission in the ACK/NACK feedback subframe (ie, the ACK/NACK feedback subframe is just a pre-configured period SR)
  • the subframe is transmitted, and the terminal is triggered to transmit the SR in the SR transmission subframe, and the ACK/NACK information is transmitted on the PUCCH resource corresponding to the pre-configured SR.
  • the ACK/NACK is transmitted on the PUCCH resource corresponding to the ACK/NACK according to the transmission scheme used by it (such as PUCCH format 1b with channel selection or PUCCH format 1a/1b). If there is no ACK/NACK transmission in the pre-configured periodic SR subframe, and only SR transmission exists, the SR uses PUCCH format 1 to transmit on the PUCCH resource corresponding to the pre-configured SR. That is, SR and ACK/NACK are transmitted simultaneously.
  • the base station can detect whether the terminal simultaneously transmits the SR and the ACK/NACK by blindly detecting the ACK/NACK and the PUCCH resource corresponding to the SR. .
  • FIG. 1a causes the ACK/NACK to change the transmission resource in its repeated transmission time period, thereby facilitating the combination of the multi-subframe data at the receiving end to obtain repeated transmission.
  • the gain also causes the SR to be implicitly transmitted during a part of its repeated transmission time period. A part of the time period is transmitted in real time, and the receiving end cannot combine the two parts.
  • Figure 1b on the one hand causes the coding performance of ACK/NACK in its repetition period to be different, resulting in the inability to merge; on the other hand, the SR is implicitly transmitted during a period of its repeated transmission, and part of the time period is true. Transmitted, and changed the transmission resources, resulting in the inability to merge. Therefore, the related art method is not applicable to UCI repeated transmission.
  • an embodiment of the present disclosure provides an uplink control information transmission scheme.
  • FIG. 2 is a schematic diagram of a flow of uplink control information transmission implemented on a terminal side according to an embodiment of the present disclosure.
  • the terminal supports repeated transmission of uplink control information.
  • the terminal may be an MTC terminal.
  • the process can include the following steps:
  • Step 201 Determine a subframe in which uplink control information is repeatedly transmitted, where the uplink control information includes ACK/NACK and SR.
  • the transmission subframe position of the ACK/NACK is determined according to a predetermined feedback timing.
  • the downlink subframe for performing ACK/NACK feedback in the uplink subframe n is n-4.
  • the terminal feeds back ACK/NACK feedback information of multiple downlink subframes in the same uplink subframe.
  • the number of downlink subframes in which the ACK/NACK feedback is performed in the same uplink subframe is defined as M, and the values of the different uplink subframes and the different TDD uplink/downlink configurations are different.
  • the downlink subframe set in which the ACK/NACK feedback is performed in the uplink subframe n is the downlink subframe with the subframe number nk, where k is the set corresponding to the uplink subframe n in Table 1 ⁇ k 0 ,k An element in 1 ,...k M-1 ⁇ .
  • the special subframe has no ACK/NACK feedback, that is, the downlink subframe corresponding to the uplink subframe n does not Includes special subframes.
  • the SR transmission subframe is a pre-configured periodic subframe, and the period SR PERIODICITY and the subframe offset value N OFFSET, SR are all indicated by the parameter I SR pre-configured by the high layer signaling, and the specific correspondence is shown in Table 2. These uplink subframes determined according to pre-configured periods and offset values can be used to transmit the SR.
  • Step 202 If it is determined that the ACK/NACK and the SR need to be transmitted in the first subframe, then go to step 203.
  • the first subframe is not specifically referred to as one or some subframes, and a subframe that needs to transmit ACK/NACK and SR is referred to as a first subframe only for convenience of description.
  • the first subframe may be one subframe, or may be multiple subframes, for example, one or more subframes currently to be transmitted.
  • Step 203 Select an uplink control information from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the uplink control information selection rule. Further, the ACK/NACK that needs to be transmitted in the first subframe and the uplink control information that is not selected in the SR may be discarded.
  • step 205 may be performed, that is, in the first subframe according to the related art. Transmit uplink control information.
  • the ACK/NACK is transmitted on the PUCCH resource corresponding to the ACK/NACK in the first subframe by using the PUCCH transmission scheme corresponding to the ACK/NACK; If the SR needs to be transmitted in the first subframe without transmitting the ACK/NACK, the SR is transmitted on the PUCCH resource corresponding to the SR in the first subframe by using the PUCCH transmission scheme corresponding to the SR.
  • Step 204 Transmit the selected uplink control information in the first subframe.
  • the PUCCH transmission scheme corresponding to the ACK/NACK is transmitted on the PUCCH resource corresponding to the ACK/NACK in the first subframe.
  • An ACK/NACK to be transmitted in the first subframe is required.
  • the ACK/NACK may be transmitted in PUCCH format 1a/1b, PUCCH format 1b with channel selection with channel selection, or PUCCH format 3, and the transmission resource may be implicit according to the minimum CCE/E-CCE.
  • PUCCH resources can also be high-level Signaling pre-configured semi-static PUCCH resources.
  • the uplink control information that is repeatedly transmitted in the subframe before the first subframe is ACK/NACK
  • the ACK/NACK transmission in the first subframe is a continuation of the repeated transmission.
  • step 204 if the selected uplink control information is an SR, the PUCCH transmission scheme corresponding to the SR is transmitted on the PUCCH resource corresponding to the SR in the first subframe, and the need is transmitted in the first The SR of the subframe transmission.
  • the SR uses the PUCCH format 1 transmission, and its transmission resource is a PUCCH resource pre-configured by the high layer signaling.
  • determining a subframe in which uplink control information is repeatedly transmitted and if it is determined that ACK/NACK and SR need to be transmitted in the first subframe, Selecting one type of uplink control information from the ACK/NACK and the SR transmitted in the first subframe, and transmitting the selected uplink control information in the first subframe.
  • the ACK/NACK and the SR collide in the same subframe
  • the ACK/NACK and the SR transmit an uplink control information in the subframe, thereby ensuring that the terminal that transmits the uplink control information by using the repeated transmission technology ensures that the ACK/NACK and the SR collide in the same subframe.
  • step 203 The implementation manner of step 203 is described in detail below, that is, the uplink control information selection rule in the embodiment of the present disclosure is described in detail, and in step 203, the ACK/NACK and SR that are required to be transmitted in the first subframe according to the rule are described. The process of selecting an uplink control information.
  • the uplink control information selection rule may include one or more combinations of the following rules 1 to 5.
  • the uplink control information selection rule may further include information on which rule to use under what circumstances. For example, in the case where the ACK/NACK and the initial subframe of the SR repeated transmission are the same, which rule or rules can be used to select the uplink control information.
  • the foregoing uplink control information selection rule may be preset on the terminal, or may be configured by the base station to the terminal through high layer signaling.
  • Rule 1 is: Always select ACK/NACK and ACK/NACK in the SR. In this situation, The ACK/NACK priority can also be considered to be higher than the priority of the SR.
  • Rule 2 is: Always select ACK/NACK and SR in SR.
  • the SR priority can also be considered to be higher than the priority of the ACK/NACK.
  • Rule 3 is: selecting one of ACK/NACK and SR uplink control information according to the priorities of ACK, NACK, and SR.
  • the priorities of the ACK, the NACK, and the SR are ranked in order of high to low: ACK, SR, NACK.
  • the ACK/NACK is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe. Otherwise, the SR is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the rule 3 When the rule 3 is applied in the implementation, if the ACK/NACK information to be transmitted in the first subframe is NACK, the SR is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the rule 4 is: selecting one type of uplink control information in the ACK/NACK and the SR according to the type of the uplink control information that is repeatedly transmitted in the subframe before the first subframe.
  • the same type of uplink control information may be selected from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the type of the uplink control information that is repeatedly transmitted in the subframe before the first subframe.
  • the uplink control information that is repeatedly transmitted in the subframe before the first subframe is ACK/NACK
  • the ACK/NACK is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe; or, if The uplink control information that is repeatedly transmitted in the subframe before the first subframe is an SR, and the SR is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the rule 5 is: selecting one uplink control information of the ACK/NACK and the SR according to the first transmission number of the uplink control information and/or the second transmission frequency, where the first transmission frequency is the uplink control information at the first The number of times the subframe is repeatedly transmitted, and the second number of transmissions is the total number of repeated transmissions of the uplink control information.
  • the first transmission number of the uplink control information includes the first transmission number of the ACK/NACK, and the first transmission number of the SR
  • the second transmission frequency of the uplink control information includes the second transmission number of the ACK/NACK, and the SR number The number of transmissions.
  • the total number of repeated transmissions of the uplink control information may be pre-configured or notified by the base station through higher layer signaling.
  • the rule 5 when the rule 5 is applied in the implementation, in at least one embodiment, if the ratio of the first transmission number of the uplink control information repeatedly transmitted before the first subframe to the second transmission number is greater than the first threshold, Selecting, in the ACK/NACK and the SR of the first subframe, the same type of uplink control information as the uplink control information repeatedly transmitted before the first subframe, otherwise, from the ACK required to be transmitted in the first subframe In the /NACK and the SR, uplink control information different from the uplink control information type repeatedly transmitted before the first subframe is selected.
  • the uplink control information repeatedly transmitted before the first subframe is an SR
  • the ratio of the first transmission number of the SR to the second transmission number is greater than the first threshold
  • the transmission is required in the first subframe.
  • the SR is selected in the ACK/NACK and the SR, otherwise, the ACK/NACK is selected from the ACK/NACK and SR that need to be transmitted in the first subframe. In this way, ACK/NACK can be reported as much as possible in the case of balancing the SR transmission to ensure data reception of the terminal.
  • the value of the first threshold may be determined according to needs or system performance.
  • the uplink control information that is repeatedly transmitted before the first subframe is NACK, and the ratio of the first transmission number of the NACK to the second transmission number is greater than the first threshold, then the transmission is performed in the first subframe.
  • NACK is selected in the NACK and SR, otherwise, the SR is selected from the NACK and SR that need to be transmitted in the first subframe.
  • the value of the second threshold may be determined according to needs or system performance.
  • the uplink control information repeatedly transmitted before the first subframe is ACK, and the ratio of the first transmission number of the ACK to the second transmission number is greater than the first threshold, The ACK is selected in the ACK and SR of one subframe transmission, otherwise, the SR is selected from the ACK and SR that need to be transmitted in the first subframe. In this way, the transmission of the ACK can be guaranteed as much as possible, thereby enabling the base station to transmit more downlink data to the terminal.
  • the uplink control signal with a second second transmission number may be selected according to the second transmission number of the ACK/NACK and the second transmission frequency of the SR.
  • the type of the information according to the selected type of uplink control information, selects the same type of uplink control information from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • ACK/NACK is selected from the ACK/NACK and SR that need to be transmitted in the first subframe. In this way, the number of repeated transmissions of ACK/NACK can be guaranteed as much as possible.
  • the uplink control information type with a small second transmission number may be selected according to the second transmission number of the ACK/NACK and the second transmission frequency of the SR, according to the selected
  • the uplink control information type selects the same type of uplink control information from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the SR is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • Combination method 1 Combination of rule 3 and rule 6
  • the ACK in the case where the ACK has been repeatedly transmitted, the proportion of the total number of repeated transmissions is large, and the uplink control information repeatedly transmitted before the first subframe is ACK again, in the first subframe.
  • the ACK By abandoning the SR and transmitting the ACK/NACK, the ACK can be repeatedly transmitted more times, so that the base station transmits more downlink data to the terminal.
  • the ratio of the number of times the ACK has been repeatedly transmitted to the total number of repeated transmissions is small, and the number of times the NACK has been repeatedly transmitted accounts for a large proportion of the total number of repeated transmissions, even if In the first subframe, the SR is discarded and the ACK/NACK is transmitted, and the effect of the base station transmitting more downlink data to the terminal is not obvious, so the ACK/NACK transmission is abandoned in the first subframe and the SR is transmitted. Take into account the transmission of SR.
  • Combination method 2 combination of rule 3 and rule 4
  • the ACK/NACK information that needs to be transmitted in the first subframe is an ACK, and since the ACK has the highest priority, even if the uplink control information of the subframe before the first subframe is repeatedly transmitted, the The SR transmission is also abandoned in one subframe and the ACK/NACK is transmitted, so that the base station can send more downlink data to the terminal.
  • the uplink control information of the subframes before the first subframe is repeatedly transmitted, and the ACK/NACK information that needs to be transmitted in the first subframe is NACK, even if In the first subframe, the SR is discarded and the ACK/NACK is transmitted.
  • the effect of the base station transmitting more downlink data to the terminal is not obvious.
  • the ACK/NACK transmission is abandoned in the first subframe and the SR is transmitted to continue the same.
  • the transmission of the uplink control information reduces the difficulty of processing operations on the base station side, and reduces the probability that the repeated transmission performance is deteriorated or cannot be correctly transmitted.
  • the uplink control information transmitted in the subframe may be selected according to one of the foregoing rules 1 to 3, 5, that is, Including the following situations: ACK/NACK may be selected to discard the SR; or SR may be selected to discard ACK/NACK; or when ACK/NACK is ACK information, ACK/NACK is selected, otherwise, SR is selected; or, total number of repetitions is selected Larger uplink control information; or uplink control information with a smaller total number of repetitions.
  • the two types of uplink control information may be simultaneously transmitted according to the related technical solutions.
  • an uplink control information transmission process implemented on a base station side is provided.
  • the process can include:
  • Step 301 Receive a subframe, where the received subframe includes a first subframe, where the first subframe is an ACK/NACK transmission subframe and an SR transmission subframe, where the rule is selected according to the uplink control information.
  • the uplink control information of the first subframe transmission includes one of ACK/NACK and SR.
  • the first subframe does not specifically refer to one or some subframes, and is only convenient for description herein.
  • a subframe that needs to transmit ACK/NACK and SR is referred to as a first subframe.
  • the first subframe may be one subframe or multiple subframes.
  • the uplink control information transmitted in the first subframe is an ACK/NACK
  • the ACK/NACK transmitted in the first subframe is a physical uplink corresponding to the ACK/NACK in the first subframe.
  • the control channel PUCCH resource is transmitted by using a PUCCH transmission scheme corresponding to ACK/NACK; or
  • the SR transmitted in the first subframe is transmitted on the PUCCH resource corresponding to the SR in the first subframe by using a PUCCH transmission scheme corresponding to the SR.
  • the uplink control information selection rule may include one or more combinations of the foregoing rules 1 to 5.
  • the uplink control information selection rule may be preset on the terminal, or may be configured by the base station to the terminal through high layer signaling.
  • Step 302 Acquire uplink control information from the ACK/NACK transmission subframe and/or the SR transmission subframe in the received subframe according to the uplink control information selection rule used by the terminal.
  • step 302 is described in detail below.
  • the base station receives a signal on the PUCCH resource corresponding to the ACK/NACK in the ACK/NACK transmission subframe, and the ACK/NACK transmission subframe The first subframe is included; ACK/NACK merge parsing is performed according to the received signal to obtain an ACK/NACK. Further, if the ACK/NACK is not obtained after the ACK/NACK merge analysis, the SR is acquired on the PUCCH resource corresponding to the SR in the first subframe.
  • the base station receives a signal on the PUCCH resource corresponding to the SR in the SR transmission subframe, where the first subframe is included in the SR transmission subframe. Frame; SR merge analysis based on the received signal to obtain SR. Further, if the SR is not obtained after the SR merge analysis, the ACK/NACK is acquired on the PUCCH resource corresponding to the ACK/NACK in the first subframe.
  • step 302 One of the following first to third solutions can be executed:
  • the first option includes:
  • the SR subframe includes the first subframe; if the ACK/NACK merge parsing result is an ACK, the SR is determined regardless of whether the SR merge analysis result has an SR.
  • the uplink control information is ACK, and it is determined that the terminal does not have an SR transmission.
  • the determined uplink control information is NACK, and it is determined that the terminal does not have an SR transmission. If the result of the ACK/NACK merge analysis is NACK and parsed to the SR, it is determined that the received uplink control information is SR.
  • the second option includes:
  • the SR of the SR transmission subframe corresponds to Receiving a signal on the PUCCH resource and buffering, the SR subframe includes the first subframe; if the ACK/NACK is not obtained according to the result of the merge parsing, according to the buffered SR corresponding to the SR in the SR transmission subframe
  • the signals received on the PUCCH resources are combined and parsed.
  • the third option includes:
  • the SR subframe includes the first subframe; if the SR is not obtained according to the result of the merge parsing, according to the buffered ACK/NACK of the ACK/NACK transmission subframe.
  • the base station receives a signal and performs merge analysis on the PUCCH resource corresponding to the ACK/NACK in the ACK/NACK transmission subframe, where the ACK/ The first subframe is included in the NACK transmission subframe; the signal is received and buffered on the PUCCH resource corresponding to the SR of the SR transmission subframe, where the SR subframe is in the SR subframe The first subframe is included; if the ACK/NACK is not obtained according to the result of the merging, the merging is performed according to the buffered signal received on the PUCCH resource corresponding to the SR of the SR transmission subframe.
  • the base station determines the first transmission times and the second transmission times of the uplink control information, where the first transmission times are uplink control information.
  • the number of times the first subframe is repeatedly transmitted, and the second number of transmissions is the total number of repeated transmissions of the uplink control information.
  • the ratio of the first transmission number of the uplink control information to the second transmission number is greater than the first threshold, receiving a signal on the PUCCH resource corresponding to the ACK/NACK in the ACK/NACK transmission subframe, the ACK/NACK transmission
  • the first subframe is included in the subframe, and the ACK/NACK merge parsing is performed according to the received signal to obtain an ACK/NACK; otherwise, the signal is received on the PUCCH resource corresponding to the SR in the SR transmission subframe, and the SR transmission is performed.
  • the first subframe is included in the subframe, and SR merge analysis is performed according to the received signal to obtain an ACK/NACK.
  • an uplink control information is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the uplink control information selection rule, and the selected one is transmitted in the first subframe.
  • Uplink control information since the terminal determines that the ACK/NACK and the SR need to be transmitted in the first subframe, that is, the ACK/NACK and the SR are in the same sub- In the case that the frame collides, an uplink control information is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the uplink control information selection rule, and the selected one is transmitted in the first subframe. Uplink control information.
  • the terminal when the ACK/NACK collides with the SR in the same subframe, only one uplink control information in the ACK/NACK and the SR is transmitted in the subframe, thereby ensuring the process of repeating the transmission.
  • the repeated transmission performance is deteriorated or cannot be correctly transmitted due to the hopping of the ACK/NACK or SR retransmission transmission, and the correct repeated transmission of the uplink control information is implemented.
  • the uplink control information is parsed in a corresponding manner, so that the uplink control information transmitted by the terminal is correctly parsed.
  • the base station transmits downlink data that needs to feed back ACK/NACK in subframe n1, that is, ACK/NACK needs to start repeated transmission in subframe n1, and the repeated transmission time period is The subframe n1 to the subframe n2, and the subframe n3 between the subframe n1 and the subframe n2 is an SR transmission subframe.
  • the terminal does have an SR transmission (ie, a positive SR) in the SR transmission subframe, and the repeated transmission time period of the SR is the subframe n3 to the subframe n4, then on the terminal side, if the downlink data sent by the base station is completely discarded on the terminal side, The terminal does not actually send an ACK/NACK in the subframe n1 to the subframe n2, and starts in the subframe n3.
  • SR transmission ie, a positive SR
  • the terminal does have an SR transmission, the SR is repeatedly transmitted on the PUCCH resource corresponding to the SR until the sub-station n4; After the terminal receives the downlink data scheduled by the base station, the terminal needs to feed back the ACK/NACK in the subframe n1, and the terminal needs the uplink control information selection rule according to the embodiment of the present disclosure. For the subframe n3 to the subframe n2, the slave needs to transmit. An uplink control information is selected in the ACK/NACK and the SR to be transmitted on the subframe n3 to the subframe n2.
  • the base station cannot pre-determine whether the terminal loses downlink data (can neither judge whether the terminal feeds back ACK/NACK in subframe n1) nor judge whether the terminal actually has SR transmission in SR subframe n3.
  • the base station may perform uplink control information reception according to an uplink control information selection rule adopted by the terminal.
  • Scenario 1 Select according to rule 1.
  • ACK/NACK is repeatedly transmitted on the PUCCH resource corresponding to the ACK/NACK.
  • the SR transmission is abandoned, and the ACK/NACK is transmitted on the PUCCH resource corresponding to the ACK/NACK.
  • the SR is transmitted on the PUCCH resource corresponding to the SR, as shown in FIG. 4a.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the signal is received on the PUCCH resource corresponding to the ACK/NACK, and the ACK/NACK is parsed in combination; of course, the base station may start at the subframe n3 and the SR corresponding to the ACK/NACK.
  • the UE receives the signal on the PUCCH resource, and the base station first parses the ACK/NACK. If the ACK/NACK information is obtained, the base station ends. If the base station determines that there is no signal transmission (for example, detected as DTX) on the PUCCH resource corresponding to the ACK/NACK, the terminal is determined to be lost.
  • the downlink data (that is, the ACK/NACK is not transmitted at the beginning of the subframe n1), and the SR can be further received and parsed on the PUCCH resource corresponding to the SR, and if it is determined that the PUCCH resource corresponding to the SR is not If there is signal transmission (ie, detected as DTX), it is judged that the terminal does not have a real SR transmission in the subframe n3.
  • ACK/NACK is repeatedly transmitted on the PUCCH resource corresponding to the ACK/NACK.
  • the ACK/NACK transmission is abandoned in the subframe 3 according to the rule 2, and the SR is transmitted on the PUCCH resource corresponding to the SR until the subframe 4, as shown in the figure. 4b is shown.
  • the terminal If the terminal does not have an SR transmission in the subframe n3, the terminal continues to transmit ACK/NACK on the PUCCH resource corresponding to the ACK/NACK until the subframe n2.
  • the terminal can determine that there is an SR transmission in the subframe n3 in the subframe n1, the ACK/NACK may not be transmitted in the subframe n1 to the subframe n3, and the SR is directly transmitted in the subframe n3 until the subframe 4 is transmitted. .
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the base station can also start at the subframe n1 on the basis of receiving the SR, in the ACK/ The signal is received on the PUCCH resource corresponding to the NACK, and the base station first parses the SR. If the SR is obtained, the base station ends. If the base station determines that there is no signal transmission on the PUCCH resource corresponding to the SR (that is, the detection result is DTX), it is determined that the terminal is in the SR subframe.
  • the base station determines that there is no signal transmission (for example, detection as DTX) on the PUCCH resource corresponding to the ACK/NACK, it is determined.
  • the terminal loses downlink data (ie, no ACK/NACK is transmitted at the beginning of subframe n1).
  • the terminal determines whether the ACK/NACK information to be transmitted is an ACK, and if so, repeats the transmission of the ACK on the PUCCH resource corresponding to the ACK/NACK in the subframe n1 to the subframe n2. If the terminal does have an SR transmission in subframe n3, then according to rule 3, since the ACK priority is higher than the priority of the SR, the terminal abandons the transmission of the SR, as shown in Fig. 4a.
  • the terminal determines whether the ACK/NACK information to be transmitted is a NACK, and if so, in the subframe n1 to the subframe n2, the NACK is repeatedly transmitted on the PUCCH resource corresponding to the ACK/NACK. If the terminal does have an SR transmission in the subframe n3, according to the rule 3, since the priority of the SR is higher than the NACK priority, the terminal starts to abandon the NACK transmission in the subframe n3, and repeatedly transmits the SR on the PUCCH resource corresponding to the SR. , as shown in Figure 4b. If the terminal does not have an SR transmission in the subframe n3, the NACK is continued to be transmitted on the PUCCH resource corresponding to the ACK/NACK until the subframe n2.
  • the terminal can determine that the SR transmission exists in the subframe n3 in the subframe n1, the NACK may not be transmitted in the subframe n1 to the subframe n3, and the SR is directly transmitted to the subframe n3.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the base station cannot predetermine whether the ACK/NACK information is an ACK.
  • the base station may use one of the following solutions to obtain uplink control information:
  • the first scheme in the subframes n1 to n2, the signal is received on the PUCCH resource corresponding to the ACK/NACK, and on the basis of the subframes n3 to n4, the signal is received on the PUCCH resource corresponding to the SR, according to
  • the received signals are combined and parsed on the two resources, and the information transmitted by the terminal is comprehensively judged whether the information is ACK/NACK or SR. For example, if the ACK is parsed, the terminal is deemed to have transmitted the ACK, and the SR is not transmitted. If the SR is DTX, the terminal is considered to have no SR transmission requirement and does not transmit the NACK. If the SR is parsed, the NACK resolution is misdetected, that is, the terminal does not transmit the ACK. /NACK, the actual transmission is SR.
  • the second scheme first, in the subframes n1 to n2, receiving a signal on the PUCCH resource corresponding to the ACK/NACK, and starting the subframe n3, buffering the information received on the PUCCH resource corresponding to the SR, if the base station merges the ACK/ After the ACK/NACK is detected on the PUCCH resource corresponding to the NACK, the terminal actually performs the ACK/NACK repeated transmission, and does not transmit the SR. Otherwise, it determines that the terminal loses the downlink data (that is, no ACK is transmitted at the beginning of the subframe n1). /NACK), further receiving and parsing the SR on the PUCCH resource corresponding to the SR. If it is determined that there is no signal transmission (ie, detected as DTX) on the PUCCH resource corresponding to the SR, it is determined that the terminal does not exist in the subframe n3. SR transmission.
  • the third scheme receiving, on the PUCCH resources corresponding to the ACK/NACK, in the subframes n1 to n2
  • the signal is buffered, and the SR is received and parsed on the PUCCH resource corresponding to the SR in the subframes n3 to n4. If the base station combines the duplicate information on the PUCCH resource corresponding to the SR and detects the SR, the terminal actually considers that the SR is repeated. Transmission, no ACK/NACK is transmitted.
  • Scenario 4 Select according to rule 4.
  • the terminal In subframes n1 to n2, the terminal repeatedly transmits ACK/NACK on the PUCCH resource corresponding to the ACK/NACK. If the terminal does have an SR transmission in subframe n3, since the initial transmission subframe n1 of the ACK/NACK is before the SR transmission subframe n3, then in subframe n3, the terminal abandons the SR transmission, as shown in FIG. 4a.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the base station determines that the downlink data that needs to be fed back ACK/NACK in the subframe n1 is scheduled, so the base station can directly determine that the terminal performs ACK/NACK repeated transmission between the subframes n1 to n2, on the PUCCH resource corresponding to the ACK/NACK.
  • the ACK/NACK can be directly received; of course, the base station can start buffering the signal received on the PUCCH resource corresponding to the SR in the subframe n3, and first parse the ACK/ANCK information, and if the ACK/NACK is obtained, the process ends.
  • the terminal If there is no signal transmission (ie, DTX) on the PUCCH resource corresponding to the /NACK, it is determined that the terminal loses the downlink data (that is, no ACK/NACK is transmitted at the beginning of the subframe n1), and the UECCH resource corresponding to the SR can be further received and parsed. If the SR is obtained, if it is judged that there is no signal transmission (ie, detected as DTX) on the PUCCH resource corresponding to the SR, it is judged that the terminal does not have the real SR transmission in the subframe n3.
  • the number of times ACK/NACK is repeatedly transmitted is N, and the total number of repeated transmissions of ACK/NACK is P. If the ratio obtained by dividing N by P is greater than the first threshold, then in subframe n3, The terminal abandons the SR transmission and repeats the transmission on the PUCCH resource corresponding to the ACK/NACK. ACK/NACK; if the ratio obtained by dividing N by P is not greater than the threshold, then in subframe n3, the terminal abandons the ACK/NACK transmission, and repeatedly transmits the SR on the PUCCH resource corresponding to the SR.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • N/P is greater than the first threshold, the flow of the uplink control information transmission on the base station side is the same as the flow on the base station side in the scenario 1; otherwise, the flow of the uplink control information transmission on the base station side is the same as the flow on the base station side in the scenario 2, This will not be repeated here.
  • the meanings of N and P are the same as those of the foregoing embodiment.
  • subframe n1 is an SR transmission subframe. If the terminal does have an SR transmission in the subframe n1, the repeated transmission period of the SR is the subframe n1 to the subframe n2.
  • the base station sends downlink data that needs to feed back ACK/NACK in subframe n3 between subframe n1 and subframe n2, that is, ACK/NACK needs to start repeat transmission in subframe n3, and the repeated transmission time period is subframe n3 to subframe.
  • the terminal on the terminal side, if the downlink data sent by the base station is completely discarded on the terminal side, the terminal does not actually send the ACK/NACK in the subframe n3 to the subframe n4, and starts in the subframe n1, if the terminal does have the SR transmission, Then, the SR is repeatedly transmitted on the PUCCH resource corresponding to the SR until the substation n2; if the terminal receives the downlink data scheduled by the base station, and the terminal does not have the SR transmission in the subframe n1, the terminal is in the subframe n3 to the subframe n4. The ACK/NACK is repeatedly transmitted on the PUCCH resource corresponding to the ACK/NACK.
  • the terminal receives the downlink data scheduled by the base station, and the terminal has the SR transmission in the subframe n1, the terminal needs the uplink control according to the embodiment of the present disclosure.
  • the information selection rule for subframe n3 to subframe n2, selects one type of uplink control information from ACK/NACK and SR to be transmitted for transmission on subframe n3 to subframe n2.
  • the base station cannot pre-determine whether the terminal loses downlink data (can neither determine whether the terminal feeds back ACK/NACK in subframe n3), nor can it determine whether the terminal actually has SR transmission in SR subframe n1, and the base station can
  • the uplink control information selection rule adopted by the terminal is used to receive the uplink control information.
  • Scenario 1 Select according to rule 1.
  • the terminal Starting at subframe n1, the terminal repeatedly transmits the SR on the PUCCH resource corresponding to the SR.
  • the ACK/NACK transmission is abandoned at the subframe n3, and the ACK/NACK is repeatedly transmitted on the PUCCH resource corresponding to the ACK/NACK until the subframe n4, as shown in FIG. 5a.
  • the SR may not be transmitted in the subframe n1 to the subframe n3 until the subframe n3 starts to transmit the ACK/NACK.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the signal is received on the PUCCH resource corresponding to the ACK/NACK, and it can be assumed that the terminal has the SR transmission.
  • the PUCCH resource corresponding to the SR receives the signal and is buffered, and the base station firstly If the ACK/NACK information is obtained, the terminal ends.
  • the base station determines that there is no signal transmission on the PUCCH resource corresponding to the ACK/NACK (that is, after the combination, the detection result is DTX), it is determined that the terminal loses the downlink data ( That is, no ACK/NACK is transmitted at the beginning of the subframe n3, and the signal received on the resource corresponding to the SR may be further combined to obtain an SR.
  • the base station determines that there is no signal transmission on the PUCCH resource corresponding to the SR (ie, After the combination, the detection result is DTX), it is judged that the terminal does not have the real SR transmission in the subframe n1; or the base station directly determines that the ACK/NACK feedback exists in the n3, the terminal is considered to be the ACK in the subframes n3 to n4.
  • /NACK transmission only receiving signals on the PUCCH resources corresponding to the ACK/NACK in the subframes n3 to n4, and combining the ACK/NACK (there is no longer concerned about whether information exists on the PUCCH resource corresponding to the SR).
  • the terminal transmits the SR on the PUCCH resource corresponding to the SR, as shown in FIG. 5b. This is because in subframe n3, the terminal continues to transmit the SR in subframe 3 according to rule 2.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the terminal has an SR transmission, and in the subframes n1 to n2, the signal is received on the PUCCH resource corresponding to the SR, and the SR is parsed in combination; of course, the base station may also start at the subframe n3 on the basis of receiving the SR, in the ACK/ The signal is received on the PUCCH resource corresponding to the NACK, and the base station first parses the SR signal. If the SR information is obtained, the base station ends.
  • the base station determines that there is no signal transmission on the PUCCH resource corresponding to the SR (that is, after the combination, the detection result is DTX)
  • the ACK/NACK can be further obtained by combining the signals received on the PUCCH resource corresponding to the ACK/NACK, and if it is determined on the PUCCH resource corresponding to the ACK/NACK, If there is no signal transmission (that is, after the combination, the detection result is DTX), it is judged that the terminal loses the downlink data (that is, no ACK/NACK is transmitted at the beginning of the subframe n3).
  • the terminal Starting from the subframe n1, the terminal repeatedly transmits the SR on the PUCCH resource corresponding to the SR.
  • the terminal determines whether the ACK/NACK information to be transmitted is an ACK. If yes, the SR transmission is abandoned in the subframe n3. Transmitting an ACK on the PUCCH resource corresponding to the ACK/NACK until the subframe n4, as shown in FIG. 5a; if the terminal determines that the ACK/NACK information to be transmitted is a NACK, in the subframe n1 to the subframe n2, corresponding to the SR The SR is transmitted on the PUCCH resource, as shown in FIG. 5b. This is because according to rule 3, the SR priority is higher than the NACK priority, and the terminal abandons the NACK transmission.
  • the terminal can determine in the substation n1 that there is an ACK transmission in the subframe n3, the SR transmission can also be abandoned in the subframe n1 to the subframe n3 until the subframe n3 starts to transmit the ACK.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the base station cannot predetermine whether the ACK/NACK information is an ACK.
  • the base station may use one of the following solutions to obtain uplink control information:
  • the first scheme receiving signals on the PUCCH resources corresponding to the SRs in the subframes n1 to n2, and receiving signals on the PUCCH resources corresponding to the ACK/NACK in the subframes n3 to n4, according to
  • the received signals are combined and parsed on the two resources, and the combined information is judged whether the information transmitted by the terminal is ACK/NACK or SR; for example, if the ACK is parsed, the terminal is considered to have transmitted the ACK, and the SR is not transmitted. If the SR is DTX, the terminal is considered to have no SR transmission requirement, and the NACK is indeed transmitted. If the SR is parsed, the NACK resolution is considered to be false detection, that is, the terminal does not transmit ACK/ NACK, the actual transmission is SR;
  • the second scheme first, in the subframes n1 to n2, receiving a signal on the PUCCH resource corresponding to the SR, and starting the subframe n3, buffering the information received on the PUCCH resource corresponding to the ACK/NACK, and the base station first parses the SR signal. If the base station combines the duplicate information on the PUCCH resource corresponding to the SR and detects the SR, the terminal is considered to have actually performed SR repeated transmission, and no ACK/NACK is transmitted. Otherwise, the base station may further analyze the PUCCH resource corresponding to the ACK/NACK.
  • ACK/NACK if it is determined that there is no signal transmission (ie, detected as DTX) on the PUCCH resource corresponding to the ACK/NACK, it is determined that the terminal loses the downlink data (that is, no ACK/NACK is transmitted at the beginning of the subframe n3);
  • the third scheme in the subframes n1 to n2, the PUCCH resource corresponding to the SR receives the signal and is buffered, At the same time, in the subframes n3 to n4, the signal is received and parsed on the PUCCH resource corresponding to the ACK/NACK, and if the base station determines that there is no signal transmission on the PUCCH resource corresponding to the ACK/NACK (that is, after the combination, the detection result is DTX) And determining that the terminal loses the downlink data (that is, no ACK/NACK is transmitted at the beginning of the subframe n3), and the signal received on the resource corresponding to the SR may be further combined to obtain the SR, if the base station determines the PUCCH resource corresponding to the SR. There is also no signal transmission (ie, after the combination, the detection result is DTX), then it is judged that the terminal does not have a real SR transmission in the subframe n1.
  • Scenario 4 Select according to rule 4.
  • the terminal In the subframe n1 to the subframe n2, the terminal repeatedly transmits the SR on the PUCCH resource corresponding to the SR. Since the initial transmission subframe n1 of the SR is before the ACK/NACK transmission subframe n3, the terminal quits the ACK in the subframe n3. NACK transmission, as shown in Figure 5a.
  • the uplink control information transmission process on the base station side is the same as the uplink control information transmission process on the base station side in scenario 2, and details are not described herein again.
  • the number of times the SR is repeatedly transmitted is N, and the total number of repeated transmissions of the SR is P. If the ratio obtained by dividing N by P is greater than the first threshold, then in subframe n1 to subframe n2.
  • the terminal abandons the ACK/NACK transmission, as shown in FIG. 5b. Otherwise, in the subframe n1 to the subframe n2, the terminal repeatedly transmits the SR on the PUCCH resource corresponding to the SR, as shown in FIG. 5a.
  • the uplink control information transmission process on the base station side is the uplink control information transmission process on the base station side:
  • the terminal has an SR transmission in the subframe n1. If the N/P is greater than the first threshold, the flow of the uplink control information transmission on the base station side is the same as the flow on the base station side in the scenario 2; otherwise, the flow of the uplink control information transmission on the base station side is the same as the flow on the base station side in the scenario 1 This will not be repeated here.
  • the meanings of N and P are the same as those of the foregoing embodiment.
  • an embodiment of the present disclosure further provides a terminal and a base station.
  • the terminal may perform the uplink control information transmission process implemented by the terminal side.
  • the terminal 600 may include: a determining module 61, a selecting module 62, and a transmitting module 63, where:
  • a determining module 61 configured to determine a subframe for repeatedly transmitting uplink control information, where the uplink control information includes an ACK/NACK and an SR;
  • the selecting module 62 is configured to: if it is determined that the ACK/NACK and the SR need to be transmitted in the first subframe, select one of the ACK/NACK and the SR that need to be transmitted in the first subframe according to the uplink control information selection rule.
  • Uplink control information ;
  • the transmitting module 63 is configured to transmit the selected uplink control information in the first subframe.
  • the uplink control information selection rule includes one or more of the foregoing rules 1 to 5, and details are not described herein again.
  • the selecting module 62 is specifically configured to: if the ACK/NACK information to be transmitted in the first subframe is ACK, select an ACK from the ACK/NACK and the SR that need to be transmitted in the first subframe. /NACK, otherwise, selecting an SR from the ACK/NACK and SR that need to be transmitted in the first subframe; or, if the ACK/NACK information to be transmitted in the first subframe is NACK, The SR is selected in the ACK/NACK and the SR of the first subframe transmission.
  • the selecting module 62 is specifically configured to: select, according to a type of uplink control information that is repeatedly transmitted in a subframe before the first subframe, from an ACK/NACK and an SR that need to be transmitted in the first subframe. The same type of uplink control information.
  • the selection module 62 can be specifically configured to:
  • the ratio of the first transmission number of the uplink control information repeatedly transmitted before the first subframe to the second transmission number is greater than the first threshold, selecting from the ACK/NACK and the SR that need to be transmitted in the first subframe Uplink control information of the same type as the uplink control information repeatedly transmitted before the first subframe, otherwise, selecting from the ACK/NACK and SR that need to be transmitted in the first subframe is repeated before the first subframe Uplink control information of different types of uplink control information transmitted; or
  • the selecting module 62 is specifically configured to: if the uplink control information that is repeatedly transmitted before the first subframe is an ACK, and a ratio of the first transmission number of the ACK to the second transmission number is greater than the first The threshold selects an ACK/NACK from the ACK/NACK and SR that need to be transmitted in the first subframe, and otherwise selects an SR from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the selecting module 62 is specifically configured to: if the uplink control information that is repeatedly transmitted in the subframe before the first subframe is an SR, and the ACK/NACK information that needs to be transmitted in the first subframe is an ACK, And selecting an ACK/NACK from the ACK/NACK and the SR that need to be transmitted in the first subframe; otherwise, according to the type of the uplink control information that is repeatedly transmitted according to the subframe before the first subframe, The same type of uplink control information is selected in the ACK/NACK and the SR transmitted in the first subframe.
  • the transmission module 63 can be specifically configured to:
  • the PUCCH transmission scheme corresponding to the ACK/NACK is transmitted on the physical uplink control channel PUCCH resource corresponding to the ACK/NACK in the first subframe.
  • the SR that is required to be transmitted in the first subframe is transmitted on the PUCCH resource corresponding to the SR in the first subframe by using the PUCCH transmission scheme corresponding to the SR.
  • FIG. 7 is a schematic structural diagram of a terminal 700 according to another embodiment of the present disclosure.
  • the terminal may perform an uplink control information transmission process implemented by the terminal side.
  • the terminal 700 may include: a processor 701, and a memory. 702. Transceiver 703 and bus interface.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 can store data used by the processor 701 in performing operations.
  • the transceiver 703 is configured to receive and transmit data under the control of the processor 701.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 701 and various circuits of memory represented by memory 702.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits.
  • the bus interface provides an interface.
  • Transceiver 703 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 can store data used by the processor 701 in performing operations.
  • the uplink control information transmission flow on the terminal side disclosed in the embodiment of the present disclosure may be applied to the processor 701 or implemented by the processor 701.
  • each step of the uplink control information transmission process may be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in a form of software.
  • the processor 701 can be a general purpose processor, a digital signal processor, an application specific integrated circuit, and Field programmable gate arrays or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present disclosure.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented as hardware processor execution completion or performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702 and completes the steps of the uplink control information transmission process in combination with its hardware.
  • the processor 701 is configured to read a program in the memory 702 and perform the following process:
  • the selected uplink control information is transmitted in the first subframe.
  • the uplink control information selection rule includes one or more of the foregoing rules 1 to 5, and details are not described herein again.
  • the ACK/NACK information to be transmitted in the first subframe is ACK
  • the ACK/NACK information transmitted in the first subframe is NACK
  • the SR is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the ACK/NACK and the SR when selecting one type of uplink control information in the ACK/NACK and the SR according to the type of the uplink control information that is repeatedly transmitted in the subframe before the first subframe, according to the foregoing before the first subframe.
  • the type of uplink control information that is repeatedly transmitted by the subframe, and the same type of uplink control information is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the transmission may be repeated before the first subframe. If the ratio of the first transmission number of the uplink control information to the second transmission number is greater than the first threshold, selecting the first subframe from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the uplink control information of the same type of uplink control information that is repeatedly transmitted before is different, otherwise, the type of uplink control information that is repeatedly transmitted before the first subframe is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • Uplink control information or, according to the second transmission number of the ACK/NACK and the second transmission number of the SR, selecting an uplink control information type with a larger or smaller second transmission number, according to the selected uplink control information type, The same type of uplink control information needs to be selected in the ACK/NACK and SR transmitted in the first subframe.
  • the uplink control information if the uplink control information repeatedly transmitted before the first subframe is an ACK, and the ratio of the first transmission number of the ACK to the second transmission number is greater than the first threshold, The ACK/NACK is selected in the ACK/NACK and the SR transmitted in the first subframe, and otherwise, the SR is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the uplink control information that is repeatedly transmitted in the subframe before the first subframe is an SR
  • the ACK/NACK information that needs to be transmitted in the first subframe is an ACK
  • Selecting ACK/NACK in ACK/NACK and SR; otherwise, according to the type of uplink control information repeatedly transmitted in the subframe before the first subframe, from ACK/NACK and SR that need to be transmitted in the first subframe Select the same type of uplink control information.
  • the selected uplink control information when the selected uplink control information is transmitted by the first subframe, if the selected uplink control information is ACK/NACK, the physical uplink control channel corresponding to the ACK/NACK in the first subframe And transmitting, by using a PUCCH transmission scheme corresponding to the ACK/NACK, the ACK/NACK that needs to be transmitted in the first subframe; or, if the selected uplink control information is an SR, in the first subframe, The PU corresponding to the SR transmits the SR that needs to be transmitted in the first subframe by using a PUCCH transmission scheme corresponding to the SR.
  • FIG. 8 is a schematic structural diagram of a base station 800 according to an embodiment of the present disclosure. Now, the uplink control information transmission process on the base station side. As shown, the base station 800 can include a receiving module 81 and an obtaining module 82, wherein:
  • the receiving module 81 is configured to receive a subframe, where the received subframe includes a first subframe, where the first subframe is both an ACK/NACK transmission subframe and an SR transmission subframe; wherein, according to the uplink control information selection rule, The uplink control information transmitted by the first subframe includes one of ACK/NACK and SR;
  • the obtaining module 82 is configured to obtain uplink control information from the ACK/NACK transmission subframe and/or the SR transmission subframe in the received subframe according to the uplink control information selection rule used by the terminal.
  • the uplink control information selection rule includes one or more of the foregoing rules 1 to 5, and details are not described herein again.
  • selecting one of the ACK/NACK and the uplink control information in the SR according to the priorities of the ACK, the NACK, and the SR may include: if the ACK/NACK is to be transmitted in the first subframe, If the information is ACK, the ACK/NACK is selected from the ACK/NACK and SR that need to be transmitted in the first subframe; otherwise, the SR is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe; or If the ACK/NACK information to be transmitted in the first subframe is NACK, the SR is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • selecting one of the uplink control information in the ACK/NACK and the SR according to the type of the uplink control information that is repeatedly transmitted in the subframe before the first subframe may include: according to the foregoing The type of uplink control information that is repeatedly transmitted in a subframe before a subframe, and the same type of uplink control information is selected from ACK/NACK and SR that need to be transmitted in the first subframe.
  • selecting one of the uplink control information in the ACK/NACK and the SR according to the first transmission times and/or the second transmission times of the uplink control information may include: if the first subframe If the ratio of the first transmission number of the uplink control information that is repeatedly transmitted and the second transmission number is greater than the first threshold, the first subframe is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the uplink control information of the same type of uplink control information that is repeatedly transmitted before is different, otherwise, the type of uplink control information that is repeatedly transmitted before the first subframe is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • Uplink control information or, according to the second transmission number of the ACK/NACK and the second transmission number of the SR, selecting the second transmission number is larger or smaller
  • the row control information type selects the same type of uplink control information from the ACK/NACK and the SR that need to be transmitted in the first subframe according to the selected uplink control information type.
  • the foregoing rule 4 and the rule 5 may be used in combination.
  • the combination of the rule 3 and the rule 5 may include: if the uplink control information repeatedly transmitted before the first subframe is an ACK, and the first number of transmissions of the ACK If the ratio of the second transmission times is greater than the first threshold, selecting ACK/NACK from the ACK/NACK and SR that need to be transmitted in the first subframe, otherwise, from the first subframe The SR is selected in the transmitted ACK/NACK and SR.
  • the foregoing rule 4 and the rule 3 may be used in combination, and the combination of the rule 4 and the rule 3 may include: if the uplink control information of the subframe before the first subframe is repeatedly transmitted, the SR needs to be in the If the ACK/NACK information of the first subframe transmission is ACK, the ACK/NACK is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe; otherwise, according to the subframe before the first subframe.
  • the type of uplink control information that is repeatedly transmitted selects the same type of uplink control information from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the uplink control information transmitted in the first subframe is an ACK/NACK
  • the ACK/NACK transmitted in the first subframe is a physical uplink corresponding to the ACK/NACK in the first subframe.
  • the control channel PUCCH resource is transmitted by using a PUCCH transmission scheme corresponding to the ACK/NACK; or, if the uplink control information transmitted in the first subframe is an SR, the SR transmitted in the first subframe is at the first
  • the PUCCH resource corresponding to the SR in the subframe is transmitted by using the PUCCH transmission scheme corresponding to the SR.
  • FIG. 9 is a schematic structural diagram of a base station 900 according to an embodiment of the present disclosure, where the base station can implement an uplink control information transmission process on the base station side.
  • the terminal 900 can include a processor 901, a memory 902, a transceiver 903, and a bus interface.
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 in performing operations.
  • the transceiver 903 is configured to receive and transmit data under the control of the processor 901.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 901 and various circuits of memory represented by memory 902.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits.
  • the bus interface provides an interface.
  • the transceiver 903 can be a plurality of components, including A drop-off and transceiver provide means for communicating with various other devices on a transmission medium.
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 in performing operations.
  • the uplink control information transmission procedure on the base station side disclosed in the embodiment of the present disclosure may be applied to the processor 901 or implemented by the processor 901.
  • each step of the uplink control information transmission process may be completed by an integrated logic circuit of hardware in the processor 901 or an instruction in a software form.
  • the processor 901 can be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and can implement or perform the embodiments of the present disclosure.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented as hardware processor execution completion or performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 902, and the processor 901 reads the information in the memory 902, and completes the steps of the uplink control information transmission process in combination with its hardware.
  • the processor 901 is configured to read a program in the memory 902 and perform the following process:
  • the received subframe includes a first subframe, where the first subframe is both an ACK/NACK transmission subframe and an SR transmission subframe; wherein, according to an uplink control information selection rule, the first subframe
  • the uplink control information transmitted includes one of ACK/NACK and SR;
  • the uplink control information is obtained from the ACK/NACK transmission subframe and/or the SR transmission subframe in the received subframe according to the uplink control information selection rule used by the terminal.
  • the uplink control information selection rule includes one or more of the foregoing rules 1 to 5, and details are not described herein again.
  • selecting one of the ACK/NACK and the uplink control information in the SR according to the priorities of the ACK, the NACK, and the SR may include: if the ACK/NACK is to be transmitted in the first subframe, If the information is ACK, the ACK/NACK is selected from the ACK/NACK and SR that need to be transmitted in the first subframe; otherwise, the SR is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe; or If the ACK/NACK information to be transmitted in the first subframe is NACK, the ACK/NACK and the ACK/NACK to be transmitted in the first subframe are required. SR is selected in the SR.
  • selecting one of the uplink control information in the ACK/NACK and the SR according to the type of the uplink control information that is repeatedly transmitted in the subframe before the first subframe may include: according to the foregoing The type of uplink control information that is repeatedly transmitted in a subframe before a subframe, and the same type of uplink control information is selected from ACK/NACK and SR that need to be transmitted in the first subframe.
  • selecting one of the uplink control information in the ACK/NACK and the SR according to the first transmission times and/or the second transmission times of the uplink control information may include: if the first subframe If the ratio of the first transmission number of the uplink control information that is repeatedly transmitted and the second transmission number is greater than the first threshold, the first subframe is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe.
  • the uplink control information of the same type of uplink control information that is repeatedly transmitted before is different, otherwise, the type of uplink control information that is repeatedly transmitted before the first subframe is selected from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • Uplink control information or, according to the second transmission number of the ACK/NACK and the second transmission number of the SR, selecting an uplink control information type with a larger or smaller second transmission number, according to the selected uplink control information type, The same type of uplink control information needs to be selected in the ACK/NACK and SR transmitted in the first subframe.
  • the foregoing rule 4 and the rule 5 may be used in combination.
  • the combination of the rule 3 and the rule 5 may include: if the uplink control information repeatedly transmitted before the first subframe is an ACK, and the first number of transmissions of the ACK If the ratio of the second transmission times is greater than the first threshold, selecting ACK/NACK from the ACK/NACK and SR that need to be transmitted in the first subframe, otherwise, from the first subframe The SR is selected in the transmitted ACK/NACK and SR.
  • the foregoing rule 4 and the rule 3 may be used in combination, and the combination of the rule 4 and the rule 3 may include: if the uplink control information of the subframe before the first subframe is repeatedly transmitted, the SR needs to be in the If the ACK/NACK information of the first subframe transmission is ACK, the ACK/NACK is selected from the ACK/NACK and the SR that need to be transmitted in the first subframe; otherwise, according to the subframe before the first subframe.
  • the type of uplink control information that is repeatedly transmitted selects the same type of uplink control information from the ACK/NACK and SR that need to be transmitted in the first subframe.
  • the uplink control information transmitted in the first subframe is an ACK/NACK
  • the ACK/NACK transmitted in the first subframe is a physical uplink corresponding to the ACK/NACK in the first subframe.
  • the control channel PUCCH resource is transmitted by using a PUCCH transmission scheme corresponding to ACK/NACK;
  • the SR transmitted in the first subframe adopts a PUCCH transmission scheme corresponding to the SR on the PUCCH resource corresponding to the SR in the first subframe. transmission.
  • embodiments of the present disclosure can be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware aspects. Moreover, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本公开提供一种上行控制信息传输方法及装置。在本公开中，确定重复传输上行控制信息的子帧，若确定出需要在第一子帧传输ACK/NACK和SR，则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息，并在所述第一子帧传输所选择的上行控制信息。

Description

上行控制信息传输方法及装置
相关申请的交叉引用
本申请主张在2015年7月29日在中国提交的中国专利申请号No.201510455257.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域，尤其涉及一种上行控制信息传输方法及装置。
背景技术
随着物联网的兴起，在长期演进(LTE，Long Term Evolution)系统中支持机器类通信(MTC，Machine Type Communication)越来越受到重视。一台MTC设备(MTC终端)可能具有多种机器与机器(M2M，Machine to Machine)通信特性之中的部分特性，如低移动性、传输数据量小、对通信时延不敏感、要求极低功耗等特征。其中，为了降低MTC用户设备(UE，User Equipment，也称终端)的成本，新定义一种UE类型，其上行和下行均只支持1.4MHz射频带宽。
在相关技术的网络中，在有些场景下工作的终端，比如工作于地下室、商场或者建筑角落的终端，由于无线信号被严重遮挡，信号受到很大的衰减，无法与网络进行通信，而针对这些场景下进行网络的深度覆盖会大大增加网络的建网成本。为了实现覆盖增强，一种较为可行的方法是对相关技术的信道采用重复传输或类似技术。例如，对于上行控制信息，可采用重复传输技术来增加覆盖。
上行控制信息(UCI，Uplink Control Information)包括肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)、信道状态信息(CSI，Channel State Information)和调度请求(SR，Scheduling Request)。
ACK/NACK传输子帧是根据反馈时序确定的，而SR传输子帧是预先配置的周期子帧，因此在进行覆盖增强传输时，在一种上行控制信息重复传输 的时间段内，可能在某个时间点出现另一种上行控制信息的情况，即两种上行控制信息发生碰撞。
目前，针对重复传输过程中，ACK/NACK和SR发生碰撞的情况，尚没有有效的解决方案。
发明内容
本公开实施例提供一种上行控制信息传输方法及装置，用以实现上行控制信息重复传输。
本公开实施例提供的上行控制信息传输方法，包括：
确定重复传输上行控制信息的子帧，所述上行控制信息包括ACK/NACK和SR；
若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
在所述第一子帧传输所选择的上行控制信息。
本公开另一实施例提供的上行控制信息传输方法，包括：
接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是ACK/NACK传输子帧也是SR传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
本公开实施例提供的终端，包括：
确定模块，用于确定重复传输上行控制信息的子帧，所述上行控制信息包括肯定确认ACK/否定确认NACK和调度请求SR；
选择模块，用于若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
传输模块，用于在所述第一子帧传输所选择的上行控制信息。
本公开实施例提供的基站，包括：
接收模块，用于接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是肯定确认ACK/否定确认NACK传输子帧也是调度请求SR传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
获取模块，用于根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
本公开的上述实施例中，确定重复传输上行控制信息的子帧，若确定出需要在第一子帧传输ACK/NACK和SR，则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息，并在所述第一子帧传输所选择的上行控制信息。这样，对于采用重复传输的终端，当ACK/NACK与SR在同一子帧中碰撞时，只在该子帧中传输ACK/NACK和SR中的一种上行控制信息，从而保证在重复传输的过程中，在出现ACK/NACK和SR碰撞时能够避免由于ACK/NACK或SR重传传输的跳变导致重复传输性能变差或者无法正确传输，实现上行控制信息的正确重复传输。
附图说明
为了更清楚地说明本申请实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。以下附图并未刻意按实际尺寸等比例缩放绘制，重点在于示出本申请的主旨。
图1a、图1b为相关技术中SR的重复传输情况的示意图；
图2为本公开至少一个实施例提供的在终端侧实现的上行控制信息传输流程示意图；
图3为本公开至少实施例提供的在基站侧实现的上行控制信息传输流程示意图；
图4a、图4b为本公开至少一个实施例提供的在终端侧实现的上行控制信息传输流程的另两个示意图；
图5a、图5b为本公开至少一个实施例提供的在基站侧实现的上行控制信 息传输流程的另两个示意图；
图6为本公开至少一个实施例提供的终端的结构示意图；
图7为本公开至少一个实施例提供的终端的另一个结构示意图；
图8为本公开至少一个实施例提供的基站的结构示意图；以及
图9为本公开至少一个实施例提供的基站的另一个结构示意图。
具体实施方式
为使本公开的实施例的目的、技术方案和优点更加清楚，下面将结合本公开的实施例的附图，对本公开的实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本公开文本保护的范围。
LTE系统中，ACK/NACK可以使用物理上行控制信道(PUCCH，Physical Uplink Control CHannel)格式1a/1b、带有信道选择的PUCCH格式1b、(PUCCH format 1b with channel selection)或者PUCCH格式(format)3传输，其传输资源可以是根据最小控制信道单元(CCE，Control Channel Element)/增强的控制信道单元(E-CCE，Enhanced-Control Channel Element)确定的隐式PUCCH资源，也可以是高层信令预先配置的半静态PUCCH资源。其传输子帧位置是按照预定的反馈时序确定的。对于频分双工(FDD，Frequency Division Duplex)系统，在上行子帧n进行ACK/NACK反馈的下行子帧为n-4。对于时分双工(TDD，Time Division Duplex)系统，终端需要在同一个上行子帧内反馈多个下行子帧的ACK/NACK反馈信息。在同一上行子帧进行ACK/NACK反馈的下行子帧数定义为M，M对不同的上行子帧和不同的TDD上/下行配置取值不同。如表1所示，在上行子帧n进行ACK/NACK反馈的下行子帧集合为子帧编号为n-k的下行子帧，其中k为表1中上行子帧n对应的集合{k0，k1，…kM-1}中的一个元素。特别地，对于使用常规循环前缀(CP，Cyclic Prefix)的特殊子帧配置0和5、使用扩展CP的特殊子帧配置0和4，特殊子帧无ACK/NACK反馈，即上行子帧n对应的下行子帧集合中不包括特殊子帧。
表1：TDD系统中，上行子帧对应的下行子帧索引集合
K：{k0，k1，…KM-1}
Figure PCTCN2016085737-appb-000001
其中，表1以一个无线帧为例给出了每个上行子帧所对应的K的情况，其中n-k＜0表示前一无线帧中的下行子帧。
SR使用PUCCH format 1传输，其传输资源是高层信令预先配置的PUCCH资源，其传输子帧是预先配置的周期子帧，其周期SRPERIODICITY和子帧偏移值NOFFSET，SR都由高层信令预先配置的参数ISR指示，具体对应关系如表2所示。这些根据预先配置的周期和偏移值确定的上行子帧可以用来传输SR。但终端在这些子帧中并不是每次都传输SR，是否传输SR取决于终端高层是否触发终端传输SR，即终端是否有上行数据要发送，从而需要请求调度上行资源。可见，基站可以根据其调度下行业务的子帧准确确定终端传输ACK/NACK的上行子帧，从而在该子帧中接收ACK/NACK；但基站无法确定终端实际传输SR的上行子帧，需要在周期SR子帧中监听SR PUCCH信道，根据是否在SR对应的PUCCH信道资源上接收到信息判断终端是否传输了SR。
表2：UE专属SR周期以及子帧偏移配置(UE-specific SR periodicity and subframe offset configuration)
Figure PCTCN2016085737-appb-000002
相关技术中的LTE系统中(如Rel-10/11/12)，支持ACK/NACK和SR在同一个上行子帧中在PUCCH上同时传输。当终端使用PUCCH format 3时，ACK/NACK和SR可以通过联合编码同时传输，即1比特SR信息级联在ACK/NACK信息的尾部，与ACK/NACK一起进行编码，并采用PUCCH format3方案传输。在使用该方法时，在预先配置的周期SR子帧中都需要假设存在1比特SR与ACK/NACK进行联合编码，不论终端在该SR子帧中是否真的需要传输SR。这是因为，基站侧不确定终端在SR子帧中是否真正存在SR，就无法确定终端实际传输的比特数，从而无法正确解码，因此，ACK/NACK与SR采用PUCCH format3联合编码传输时，为了基站和终端对传输比特数的理解一致，需要约定好固定的传输比特数，即在SR子帧中总是存在1比特SR传输(即使终端实际不需要传输SR，也需要产生1比特信息作为占位)。
在其他情况下，如终端使用PUCCH format 1b with channel或PUCCH format 1a/1b时，如果在ACK/NACK反馈子帧中同时存在SR传输(即ACK/NACK反馈子帧刚好是预先配置的周期的SR传输子帧，且终端在该SR传输子帧中被触发需要传输SR)，则将ACK/NACK信息放在预先配置的SR对应的PUCCH资源上传输。如果ACK/NACK反馈子帧中不存在SR传输(即该子帧不为周期的SR传输子帧，或者该子帧为周期的SR传输子帧但终端在该子帧中并不需要传输SR)，则ACK/NACK按照其所使用的传输方案(如PUCCH format 1b with channel selection或PUCCH format 1a/1b)在ACK/NACK对应的PUCCH资源上进行传输。如果在预先配置的周期SR子帧中无ACK/NACK传输，仅存在SR传输，则SR采用PUCCH format 1在预先配置的SR对应的PUCCH资源上进行传输。即SR和ACK/NACK同时传 输时，SR信息并没有真正传输，而是通过使用SR对应的PUCCH资源隐式传输，即基站通过盲检测ACK/NACK和SR对应的PUCCH资源，可以确定终端是否同时传输了SR和ACK/NACK。
如果还是沿用相关技术中的ACK/NACK和SR在同一个子帧中同时存在时的传输方案，将会导致一种信息在重复过程中采用了两种不同的传输形式，从而无法实现重复传输的合并。例如，假设ACK/NACK在子帧n1开始重复传输，到子帧n2结束，在子帧n1～n2中间的子帧n3，存在SR传输，且SR需要重复传输到子帧n4，则按照相关技术，则出现图1a和图1b所示的重复传输情况，图1a导致ACK/NACK在其重复传输时间段内，改变了传输资源，从而不利于接收端多子帧数据的合并，以获得重复传输增益；同时也导致了SR在其重复传输时间段内的一部分时间段是隐式传输的，一部分时间段是真实传输的，接收端对这两部分内容同样无法合并。图1b一方面导致ACK/NACK在其重复时间段内的编码性能不同，导致无法合并；另一方面导致了SR在其重复传输时间段内一部分时间段是隐式传输的，一部分时间段是真实传输的，且改变了传输资源，导致无法合并。因此，相关技术的方法并不适用于UCI重复传输。
为了解决上述问题，本公开实施例给出了一种上行控制信息传输方案。
下面结合说明书附图对本公开实施例做详细描述。
参见图2，为本公开实施例提供的在终端侧实现的上行控制信息传输流程示意图。所述终端支持上行控制信息重复传输。所述终端可以是MTC终端。
如图所示，该流程可包括如下步骤：
步骤201：确定重复传输上行控制信息的子帧，所述上行控制信息包括ACK/NACK和SR。
其中，ACK/NACK的传输子帧位置是按照预定的反馈时序确定的。对于FDD系统，在上行子帧n进行ACK/NACK反馈的下行子帧为n-4。对于TDD系统，终端在同一个上行子帧内反馈多个下行子帧的ACK/NACK反馈信息。在同一上行子帧进行ACK/NACK反馈的下行子帧数定义为M，M对不同的上行子帧和不同的TDD上/下行配置取值不同。如表1所示，在上行子帧n进行ACK/NACK反馈的下行子帧集合为子帧编号为n-k的下行子帧， 其中k为表1中上行子帧n对应的集合{k0，k1，…kM-1}中的一个元素。特别地，对于使用常规CP的特殊子帧配置0和5、使用扩展CP的特殊子帧配置0和4，特殊子帧无ACK/NACK反馈，即上行子帧n对应的下行子帧集合中不包括特殊子帧。
其中，SR传输子帧是预先配置的周期子帧，其周期SRPERIODICITY和子帧偏移值NOFFSET，SR都由高层信令预先配置的参数ISR指示，具体对应关系如表2所示。这些根据预先配置的周期和偏移值确定的上行子帧可以用来传输SR。
步骤202：若确定出需要在第一子帧传输ACK/NACK和SR，则转入步骤203。
其中，所述第一子帧并不特指某一个或一些子帧，这里仅出于描述方便将需要传输ACK/NACK和SR的子帧称为第一子帧。所述第一子帧可能是一个子帧，也可能是多个子帧，比如，当前待传输的一个或多个子帧。
步骤203：根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息。进一步地，可将需要在所述第一子帧中传输的ACK/NACK和SR中未被选择的上行控制信息丢弃。
进一步地，若在步骤202中，需要在第一子帧传输的上行控制信息包括ACK/NACK和SR中的一种，则可执行步骤205，即按照相关技术中的方式在第一子帧上传输上行控制信息。例如，若需要在第一子帧中传输ACK/NACK而不传输SR，则在所述第一子帧中ACK/NACK对应的PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输ACK/NACK；若需要在第一子帧中传输SR而不传输ACK/NACK，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输SR。
步骤204：在所述第一子帧传输所选择的上行控制信息。
在步骤204中，可选地，若所选择的上行控制信息为ACK/NACK，则在所述第一子帧中ACK/NACK对应的PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输所述需要在所述第一子帧传输的ACK/NACK。比如，ACK/NACK可以使用PUCCH格式1a/1b、带有信道选择的PUCCH format 1b(PUCCH format 1b with channel selection)或者PUCCH format 3传输，其传输资源可以是根据最小CCE/E-CCE确定的隐式PUCCH资源，也可以是高层 信令预先配置的半静态PUCCH资源。进一步地，若所述第一子帧之前的子帧重复传输的上行控制信息为ACK/NACK，则所述第一子帧中的ACK/NACK传输为其重复传输的继续。
在步骤204中，可选地，若所选择的上行控制信息为SR，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输所述需要在所述第一子帧传输的SR。比如，SR使用PUCCH format 1传输，其传输资源是高层信令预先配置的PUCCH资源。
通过图2所示的流程可以看出，本公开的上述实施例中，确定重复传输上行控制信息的子帧，若确定出需要在第一子帧传输ACK/NACK和SR，则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息，并在所述第一子帧传输所选择的上行控制信息。这样，对于采用重复传输技术传输上行控制信息的终端，当ACK/NACK与SR在同一子帧中碰撞时，只在该子帧中传输ACK/NACK和SR中的一种上行控制信息，从而保证在重复传输的过程中，在出现ACK/NACK和SR碰撞时能够避免由于ACK/NACK或SR重传传输的跳变导致重复传输性能变差或者无法正确传输，实现上行控制信息的正确重复传输。
下面详细描述步骤203的实现方式，即，详细描述本公开实施例中的上行控制信息选择规则，以及步骤203中，根据该规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息的过程。
本公开实施例中，所述上行控制信息选择规则可以包括以下规则1至规则5中的一种或多种组合。
更进一步地，所述上行控制信息选择规则中还可包含在什么情况下使用哪种规则的信息。比如，在ACK/NACK和SR重复传输的起始子帧相同的情况下，可以使用哪个或哪些规则选择上行控制信息。
上述上行控制信息选择规则可预先设置在终端上，也可由基站通过高层信令配置给终端。
下面详细描述规则1至规则5以及可能的组合情况。
(一)规则1
规则1为：总是选择ACK/NACK和SR中的ACK/NACK。这种情况下， 也可认为ACK/NACK优先级高于SR的优先级。
(二)规则2
规则2为：总是选择ACK/NACK和SR中的SR。这种情况下，也可认为SR优先级高于ACK/NACK的优先级。
(三)规则3
规则3为：根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息。可选地，ACK、NACK和SR的优先级按照从高到低的顺序排列为：ACK、SR、NACK。
在实施中应用规则3时，若终端判断需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
在实施中应用规则3时，若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
(四)规则4
规则4为：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息。
具体地，可根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
例如，若所述第一子帧之前的子帧重复传输的上行控制信息为ACK/NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；或者，若所述第一子帧之前的子帧重复传输的上行控制信息为SR，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
(五)规则5
规则5为：根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信息的总重复传输次数。
其中，上行控制信息的第一传输次数包括ACK/NACK的第一传输次数，以及SR的第一传输次数，上行控制信息的第二传输次数包括ACK/NACK的第二传输次数，以及SR的第二传输次数。所述上行控制信息的总重复传输次数可预先配置，或者由基站通过高层信令通知。
在实施中应用规则5时，在至少一个实施例中，若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息。
例如，若所述第一子帧之前重复传输的上行控制信息为SR，且SR的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK。这样，可以在兼顾SR传输的情况下，尽可能上报ACK/NACK，以保证终端的数据接收。其中，第一阈值的取值可根据需要或系统性能确定。
又例如，若所述第一子帧之前重复传输的上行控制信息为NACK，且NACK的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的NACK和SR中选择NACK，否则，从需要在所述第一子帧传输的NACK和SR中选择SR。这样，可以在兼顾ACK/NACK上报的情况下，尽可能传输SR，以在保证终端的数据接收的情况下，尽可能向网络侧上报调度请求。其中，第二阈值的取值可根据需要或系统性能确定。
再例如，若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK和SR中选择ACK，否则，从需要在所述第一子帧传输的ACK和SR中选择SR。这样，可以尽可能保证ACK的传输，从而使基站能够向终端发送更多的下行数据。
在实施中应用规则5时，在至少一个实施例中，可根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大的上行控制信 息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
例如，如果ACK/NACK的总重复传输次数大于SR的总重复传输次数，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK。这样，可以尽可能保证ACK/NACK的重复传输次数。
在实施中应用规则5时，在至少一个实施例中，可根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
例如，如果ACK/NACK的总重复传输次数小于SR的总重复传输次数，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
上述规则1至规则5，既可以单独使用，也可以几种结合使用。下面给出几种可选的结合使用的方式。
结合方式1：规则3和规则6结合使用
在结合方式1中，若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
这样，在ACK已被重复传输的次数占其总重复传输次数的比例较大，且所述第一子帧之前重复传输的上行控制信息又是ACK的情况下，在所述第一子帧中放弃SR而传输ACK/NACK，可以更多次地重复传输ACK，以使基站向终端发送更多的下行数据。在除上述情况的其他情况下，比如，在ACK已被重复传输的次数占其总重复传输次数的比例较小，而NACK已被重复传输的次数占其总重复传输次数的比例较大，即使在所述第一子帧中放弃SR而传输ACK/NACK，基站向终端发送更多的下行数据的效果不是很明显，因此在所述第一子帧中放弃ACK/NACK传输而传输SR，以便兼顾SR的传输。
结合方式2：规则3和规则4结合使用
在结合方式2中，若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在 所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
这样，需要在所述第一子帧传输的ACK/NACK信息为ACK，由于ACK的优先级最高，即使所述第一子帧之前的子帧重复传输的上行控制信息为SR，在所述第一子帧中也放弃SR传输而传输ACK/NACK，这样可以使基站向终端发送更多的下行数据。在除上述情况的其他情况下，比如，所述第一子帧之前的子帧重复传输的上行控制信息为SR，需要在所述第一子帧传输的ACK/NACK信息为NACK，即使在所述第一子帧中放弃SR而传输ACK/NACK，基站向终端发送更多的下行数据的效果不是很明显，因此在所述第一子帧中放弃ACK/NACK传输而传输SR，以便延续同一种上行控制信息的传输，降低基站侧处理操作的难度，降低重复传输性能变差或者无法正确传输的几率。
进一步地，如果ACK/NACK和SR恰好重复传输的第一个子帧为同一个子帧，则可根据上述规则1～3、5中的一种选择在该子帧中传输的上行控制信息，即包括以下几种情况：可以选择ACK/NACK而丢弃SR；或者选择SR而丢弃ACK/NACK；或者当ACK/NACK为ACK信息时，选择ACK/NACK，否则，选择SR；或者，选择总重复次数较大的上行控制信息；或者选择总重复次数较少的上行控制信息。特别地，对于ACK/NACK和SR重复传输的起始子帧相同且重复次数相同的情况，也可以按照相关技术方案同时传输两种上行控制信息。
参见图3，为本公开实施例提供的在基站侧实现的上行控制信息传输流程。
如图所示，该流程可包括：
步骤301：接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是ACK/NACK传输子帧也是SR传输子帧；其中，根据所述上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种。
其中，所述第一子帧并不特指某一个或一些子帧，这里仅出于描述方便 将需要传输ACK/NACK和SR的子帧称为第一子帧。所述第一子帧可能是一个子帧，也可能是多个子帧。
可选地，若所述第一子帧中传输的上行控制信息为ACK/NACK，则所述第一子帧中传输的ACK/NACK在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输；或者
若所述第一子帧中传输的上行控制信息为SR，则所述第一子帧中传输的SR在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输。
所述第一子帧中的上行控制信息的发送过程可参见前述终端侧实现的上行控制信息传输流程。
其中，所述上行控制信息选择规则可以包括前述的规则1至规则5中的一种或多种组合。所述上行控制信息选择规则可预先设置在终端上，也可由基站通过高层信令配置给终端。
步骤302：根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
下面详细描述步骤302的实现方式。
若终端所使用的上行控制信息选择规则为上述规则1，则在步骤302中，基站在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号，所述ACK/NACK传输子帧中包括所述第一子帧；根据接收到的信号进行ACK/NACK合并解析，得到ACK/NACK。进一步地，若进行ACK/NACK合并解析后未获得ACK/NACK，则在所述第一子帧中SR对应的PUCCH资源上获取SR。
若终端使用的上行控制信息选择规则为上述规则2，则在步骤302中，基站在SR传输子帧中的SR对应的PUCCH资源上接收信号，所述SR传输子帧中包括所述第一子帧；根据接收到的信号进行SR合并解析，得到SR。进一步地，若进行SR合并解析后未获得SR，则在所述第一子帧中ACK/NACK对应的PUCCH资源上获取ACK/NACK。
若终端所使用的上行控制信息选择规则为上述规则3，则在步骤302中 可执行以下第一方案至第三方案中的一种：
第一方案包括：
在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号并进行合并解析，所述ACK/NACK传输子帧中包括所述第一子帧；在SR传输子帧中的SR对应的PUCCH资源上接收信号并解析合并解析，所述SR传输子帧中包括所述第一子帧；若ACK/NACK的合并解析结果为ACK，则不论SR合并解析结果是否存在SR，确定得到的上行控制信息为ACK，且判断终端不存在SR传输，若ACK/NACK的合并解析结果为NACK且SR的合并解析结果为DTX，则确定得到的上行控制信息为NACK，且判断终端不存在SR传输；若ACK/NACK的合并解析结果为NACK且解析到SR，则确定接收到的上行控制信息为SR。
第二方案包括：
在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号并进行合并解析，所述ACK/NACK传输子帧中包括所述第一子帧；在SR传输子帧的SR对应的PUCCH资源上接收信号并进行缓存，所述SR子帧中包括所述第一子帧；若根据所述合并解析的结果未得到ACK/NACK，则根据缓存的在SR传输子帧的SR对应的PUCCH资源上接收到的信号进行合并解析。
第三方案包括：
在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号并缓存，所述ACK/NACK传输子帧中包括所述第一子帧；在SR传输子帧的SR对应的PUCCH资源上接收信号并进行合并解析，所述SR传输子帧中包括所述第一子帧；若根据所述合并解析的结果未得到SR，则根据缓存的在ACK/NACK传输子帧的ACK/NACK对应的PUCCH资源上接收到的信号进行合并解析。
若终端所使用的上行控制信息选择规则为上述规则4，则在步骤302中，基站在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号并进行合并解析，所述ACK/NACK传输子帧中包括所述第一子帧；在SR传输子帧的SR对应的PUCCH资源上接收信号并进行缓存，所述SR子帧中 包括所述第一子帧；若根据所述合并解析的结果未得到ACK/NACK，则根据缓存的在SR传输子帧的SR对应的PUCCH资源上接收到的信号进行合并解析。
若终端所使用的上行控制信息选择规则为上述规则5，则在步骤302中，基站确定上行控制信息的第一传输次数和第二传输次数，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信息的总重复传输次数。若所述上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则在ACK/NACK传输子帧中的ACK/NACK对应的PUCCH资源上接收信号，所述ACK/NACK传输子帧中包括所述第一子帧，根据接收到的信号进行ACK/NACK合并解析，得到ACK/NACK；否则，在SR传输子帧中的SR对应的PUCCH资源上接收信号，所述SR传输子帧中包括所述第一子帧，根据接收到的信号进行SR合并解析，得到ACK/NACK。
根据上述基站侧实现的上行控制信息传输流程可以看出，本公开的上述实施例中，由于终端在确定出需要在第一子帧传输ACK/NACK和SR，即ACK/NACK和SR在同一子帧发生碰撞的情况下，根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息，并在所述第一子帧传输所选择的上行控制信息。这样，对于采用重复传输的终端，当ACK/NACK与SR在同一子帧中碰撞时，只在该子帧中传输ACK/NACK和SR中的一种上行控制信息，从而保证在重复传输的过程中，在出现ACK/NACK和SR碰撞时，避免由于ACK/NACK或SR重传传输的跳变导致重复传输性能变差或者无法正确传输，实现上行控制信息的正确重复传输。相应地，在基站侧，能够根据终端所采用的上行控制信息选择规则，采用相应方式进行上行控制信息的解析，从而正确解析出终端传输的上行控制信息。
为了更清楚地理解本公开上述实施例，下面结合具体实施例对本公开实施例的实现过程进行详细描述。
在至少一个实施例中，基站发送了需要在子帧n1反馈ACK/NACK的下行数据，即，ACK/NACK需要在子帧n1开始重复传输，重复传输时间段为 子帧n1到子帧n2，子帧n1到子帧n2之间的子帧n3为SR传输子帧。
如果终端在SR传输子帧中确实存在SR传输(即为positive SR)，SR的重复传输时间段为子帧n3到子帧n4，则在终端侧，如果基站发送的下行数据在终端侧全部丢弃，则终端在子帧n1到子帧n2中实际没有发送ACK/NACK，在子帧n3开始，如果终端确实存在SR传输，则在SR对应的PUCCH资源上重复传输SR，直到子站n4；如果终端接收到了基站调度的下行数据，则终端需要在子帧n1反馈ACK/NACK，则终端需要根据本公开实施例提供的上行控制信息选择规则，针对子帧n3到子帧n2，从需要传输的ACK/NACK和SR中选择一种上行控制信息在子帧n3到子帧n2上传输。
在基站侧，基站不能预先判断终端是否丢失下行数据(既不能判断在子帧n1中终端是否反馈了ACK/NACK)，也不能判断终端在SR子帧n3中是否真正存在SR传输。基站可根据终端采用的上行控制信息选择规则来进行上行控制信息的接收。
下面通过几个场景分别描述采用不同规则时的上行控制信息选择情况。
场景1：根据规则1进行选择
终端侧的上行控制信息传输流程：
在子帧n1到子帧n2中，在ACK/NACK对应的PUCCH资源上重复传输ACK/NACK。到子帧n3时，如果终端在子帧n3中确实存在SR传输，则根据规则1，在子帧n2到子帧n3中，放弃SR传输，在ACK/NACK对应的PUCCH资源上传输ACK/NACK，在子帧3到子帧4，在SR对应的PUCCH资源上传输SR，如图4a所示。
基站侧的上行控制信息传输流程：
在子帧n1到n2中，在ACK/NACK对应的PUCCH资源上接收信号，并合解析ACK/NACK；当然基站也可以在接收ACK/NACK的基础上，在子帧n3开始，在SR对应的PUCCH资源上接收信号，基站首先解析ACK/NACK，如果得到ACK/NACK信息，则结束，如果基站判断在ACK/NACK对应的PUCCH资源上不存在信号传输(例如检测为DTX)，则判断终端丢失下行数据(即在子帧n1开始没有传输ACK/NACK)，可以进一步在SR对应的PUCCH资源上继续接收并解析获得SR，如果判断在SR对应的PUCCH资源上也没 有信号传输(即检测为DTX)，则判断终端在子帧n3中不存在真实的SR传输。
场景2：根据规则2进行选择
终端侧的上行控制信息传输流程：
在子帧n1开始，在ACK/NACK对应的PUCCH资源上重复传输ACK/NACK。到子帧n3时，如果终端在子帧n3中确实存在SR传输，则根据规则2，在子帧3放弃ACK/NACK传输，在SR对应的PUCCH资源上传输SR，直到子帧4，如图4b所示。
如果终端在子帧n3中不存在SR传输，则终端继续在ACK/NACK对应的PUCCH资源上传输ACK/NACK，直到子帧n2。
如果终端在子帧n1中即可判断出在子帧n3中存在SR传输，则也可以在子帧n1到子帧n3中不传输ACK/NACK，直接在子帧n3开始传输SR直到子帧4。
基站侧的上行控制信息传输流程：
可以假设终端存在SR传输，则在子帧n3～n4中，在SR对应的PUCCH资源接收信号，合并解析得到SR；当然基站也可以在接收SR的基础上，在子帧n1开始，在ACK/NACK对应的PUCCH资源上接收信号，基站首先解析SR，如果得到SR，则结束，如果基站判断在SR对应的PUCCH资源上不存在信号传输(即检测结果为DTX)，则确定终端在SR子帧n3中不存在真实的SR传输，可以进一步在ACK/NACK对应的资源上解析获得ACK/NACK，如果基站判断在ACK/NACK对应的PUCCH资源上不存在信号传输(例如检测为DTX)，则判断终端丢失下行数据(即在子帧n1开始没有传输ACK/NACK)。
场景3：根据规则3进行选择
终端侧的上行控制信息传输流程：
终端判断需要传输的ACK/NACK信息是否为ACK，如果是，则在子帧n1到子帧n2中，在ACK/NACK对应的PUCCH资源上重复传输ACK。如果终端在子帧n3中确实存在SR传输，则根据规则3，由于ACK优先级高于SR的优先级，终端放弃传输SR，如图4a所示。
终端判断需要传输的ACK/NACK信息是否为NACK，如果是，则在子帧n1到子帧n2中，在ACK/NACK对应的PUCCH资源上重复传输NACK。如果终端在子帧n3中确实存在SR传输，则根据规则3，由于SR的优先级高于NACK优先级高，则终端在子帧n3开始放弃NACK传输，在SR对应的PUCCH资源上重复传输SR，如图4b所示。如果终端在子帧n3中不存在SR传输，则继续在ACK/NACK对应的PUCCH资源上传输NACK，直到子帧n2。
如果终端在子帧n1中即可判断出在子帧n3中存在SR传输，则也可以在子帧n1到子帧n3中不传输NACK，直接到子帧n3开始传输SR。
基站侧的上行控制信息传输流程：
基站无法预先判断ACK/NACK信息是否为ACK。基站可以采用以下方案中的一种来获取上行控制信息：
第一方案：在子帧n1～n2中，在ACK/NACK对应的PUCCH资源上接收信号，在此基础上，还可在子帧n3～n4中，在SR对应的PUCCH资源上接收信号，根据在这两个资源上接收信号分别合并解析出的结果，综合判断终端传输的信息到底是ACK/NACK还是SR，例如，如果解析出ACK，则认为终端确实传输了ACK，且没有传输SR，如果解析出NACK，还要进一步看SR解析结果，如果SR为DTX，则认为终端没有SR传输需求，且确实传输了NACK，如果解析出SR，则认为NACK解析是误检的，即终端没有传输ACK/NACK，实际传输的是SR。
第二方案：先在子帧n1～n2中，在ACK/NACK对应的PUCCH资源上接收信号，并在子帧n3开始，缓存在SR对应的PUCCH资源上接收到的信息，如果基站合并ACK/NACK对应的PUCCH资源上的重复信息后，检测到了ACK/NACK，则认为终端实际进行了ACK/NACK重复传输，没有传输SR，否则，判断终端丢失下行数据(即在子帧n1开始没有传输ACK/NACK)，进一步在SR对应的PUCCH资源上继续接收并解析得到SR，如果判断在SR对应的PUCCH资源上也没有信号传输(即检测为DTX)，则判断终端在子帧n3中不存在真实的SR传输。
第三方案：在子帧n1～n2中，在ACK/NACK对应的PUCCH资源上接收 信号并缓存，并在子帧n3～n4，在SR对应的PUCCH资源上接收并解析SR，如果基站合并SR对应的PUCCH资源上的重复信息后，检测到了SR，则认为终端实际进行了SR重复传输，没有传输ACK/NACK，否则，判断终端在子帧n3中不存在真实的SR传输，进一步在ACK/NACK对应的PUCCH资源上解析得到ACK/NACK，如果判断在ACK/NACK对应的PUCCH资源上也没有信号传输(即检测为DTX)，则判断终端丢失下行数据(即在子帧n1开始没有传输ACK/NACK)。
场景4：根据规则4进行选择
终端侧的上行控制信息传输流程：
在子帧n1到n2中，终端在ACK/NACK对应的PUCCH资源上重复传输ACK/NACK。如果终端在子帧n3中确实存在SR传输，由于ACK/NACK的起始传输子帧n1在SR传输子帧n3之前，则在子帧n3，终端放弃SR传输，如图4a所示。
基站侧的上行控制信息传输流程：
基站确定调度了需要在子帧n1开始反馈ACK/NACK的下行数据，所以基站可以直接判断终端就是在子帧n1到n2之间进行了ACK/NACK重复传输，在ACK/NACK对应的PUCCH资源上直接接收ACK/NACK即可；当然，基站可以在子帧n3开始缓存在SR对应的PUCCH资源上接收到的信号，先解析ACK/ANCK信息，如果得到ACK/NACK，则结束，如果判断在ACK/NACK对应的PUCCH资源上不存在信号传输(即DTX)，则判断判端丢失下行数据(即在子帧n1开始没有传输ACK/NACK)，可以进一步在SR对应的PUCCH资源上继续接收并解析得到SR，如果判断在SR对应的PUCCH资源上也没有信号传输(即检测为DTX)，则判断终端在子帧n3中不存在真实的SR传输。
场景5：根据规则5进行选择
终端侧的上行控制信息传输流程：
从子帧1到子帧3，ACK/NACK被重复传输的次数为N，ACK/NACK的总重复传输次数为P，如果N除以P得到的比值大于第一阈值，则在子帧n3，终端放弃SR传输，在ACK/NACK对应的PUCCH资源上重复传输 ACK/NACK；如果N除以P得到的比值不大于该阈值，则在子帧n3，终端放弃ACK/NACK传输，在SR对应的PUCCH资源上重复传输SR。
基站侧的上行控制信息传输流程：
如果N/P大于第一阈值，则基站侧的上行控制信息传输流程与场景1下基站侧的流程相同，否则，则基站侧的上行控制信息传输流程与场景2下基站侧的流程相同，在此不再赘述。其中，N与P的含义与前述实施例相同。
在至少一个实施例中，子帧n1为SR传输子帧。如果终端在子帧n1中确实存在SR传输，SR的重复传输时间段为子帧n1到子帧n2。
如果基站发送了需要在子帧n1和子帧n2之间的子帧n3反馈ACK/NACK的下行数据，即ACK/NACK需要在子帧n3开始重复传输，重复传输时间段为子帧n3到子帧n4，则在终端侧，如果基站发送的下行数据在终端侧全部丢弃，则终端在子帧n3到子帧n4中实际没有发送ACK/NACK，在子帧n1开始，如果终端确实存在SR传输，则在SR对应的PUCCH资源上重复传输SR，直到子站n2；如果终端接收到了基站调度的下行数据，且终端在子帧n1中并不存在SR传输，则终端在子帧n3到子帧n4中，在ACK/NACK对应的PUCCH资源上重复传输ACK/NACK；如果终端接收到了基站调度的下行数据，且终端在子帧n1中存在SR传输，则终端需要根据本公开实施例提供的上行控制信息选择规则，针对子帧n3到子帧n2，从需要传输的ACK/NACK和SR中选择一种上行控制信息在子帧n3到子帧n2上传输。
在基站侧，基站无法预先判断终端是否丢失下行数据(既不能判断在子帧n3中终端是否反馈了ACK/NACK)，也不能判断终端在SR子帧n1中是否真正存在SR传输，基站可根据终端采用的上行控制信息选择规则来进行上行控制信息的接收。
下面通过几个场景分别描述采用不同规则时的选择结果。
场景1：根据规则1进行选择
终端侧的上行控制信息传输流程：
在子帧n1开始，终端在SR对应的PUCCH资源上重复传输SR。到子帧n3时，根据规则1，在子帧n3开始放弃ACK/NACK传输，在ACK/NACK对应的PUCCH资源上重复传输ACK/NACK，直到子帧n4，如图5a所示。
如果终端在子帧n1中即可判断出在子帧n3中存在ACK/NACK传输，则也可以在子帧n1到子帧n3中不传输SR，直到子帧n3开始传输ACK/NACK。
基站侧的上行控制信息传输流程：
在子帧n3～n4中，在ACK/NACK对应的PUCCH资源上接收信号，同时可以假设终端存在SR传输，则在子帧n1～n2中，在SR对应的PUCCH资源接收信号并缓存，基站首先解析ACK/NACK，如果得到ACK/NACK信息，则结束，如果基站判断在ACK/NACK对应的PUCCH资源上不存在信号传输(即经过合并后，检测结果为DTX)，则确定终端丢失下行数据(即在子帧n3开始没有传输ACK/NACK)，可以进一步对在SR对应的资源上接收到的信号进行合并解析获得SR，如果基站判断在SR对应的PUCCH资源上也不存在信号传输(即经过合并后，检测结果为DTX)，则判断终端在子帧n1中不存在真实的SR传输；或者，基站直接判断在n3中存在ACK/NACK反馈，则认为终端就是在子帧n3到n4进行ACK/NACK传输，只在子帧n3到n4在ACK/NACK对应的PUCCH资源上接收信号，合并得到ACK/NACK(不再关注SR对应的PUCCH资源上是否存在信息)。
场景2：根据规则2进行选择
在子帧n1到子帧n2中，终端在SR对应的PUCCH资源上传输SR，如图5b所示。这是因为在子帧n3，终端根据规则2，在子帧3继续传输SR。
基站侧的上行控制信息传输流程：
可以假设终端存在SR传输，在子帧n1到n2中，在SR对应的PUCCH资源上接收信号，并合解析SR；当然基站也可以在接收SR的基础上，在子帧n3开始，在ACK/NACK对应的PUCCH资源上接收信号，基站首先解析SR信号，如果得到SR信息，则结束，如果基站判断在SR对应的PUCCH资源上不存在信号传输(即经过合并后，检测结果为DTX)，则判断终端在子帧n1中不存在真实的SR传输，可以进一步对在ACK/NACK对应的PUCCH资源上接收到的信号进行合并解析获得ACK/NACK，如果判断在ACK/NACK对应的PUCCH资源上也没有信号传输(即经过合并后，检测结果为DTX)，则判断终端丢失下行数据(即在子帧n3开始没有传输ACK/NACK)。
场景3：根据规则3进行选择
在子帧n1开始，终端在SR对应的PUCCH资源上重复传输SR，到子帧n3时，终端判断需要传输的ACK/NACK信息是否为ACK，如果是，则在子帧n3开始放弃SR传输，在ACK/NACK对应的PUCCH资源上传输ACK，直到子帧n4，如图5a所示；如果终端判断需要传输的ACK/NACK信息是NACK，则在子帧n1到子帧n2中，在SR对应的PUCCH资源上传输SR，如图5b所示，这是因为根据规则3，SR优先级高于NACK优先级，终端放弃NACK传输，
如果终端在子站n1中即可判断出在子帧n3中存在ACK传输，则也可以在子帧n1到子帧n3放弃SR传输，直到等到子帧n3开始传输ACK。
基站侧的上行控制信息传输流程：
基站无法预先判断ACK/NACK信息是否为ACK。基站可以采用以下方案中的一种来获取上行控制信息：
第一方案：在子帧n1～n2中，在SR对应的PUCCH资源上接收信号，在此基础上，还可在子帧n3～n4中，在ACK/NACK对应的PUCCH资源上接收信号，根据在这两个资源上接收信号分别合并解析出的结果，组合判断终端传输的信息到底是ACK/NACK还是SR；例如如果解析出ACK，则认为终端确实传输了ACK，且没有传输SR，如果解析出NACK，还要进一步看SR解析结果，如果SR为DTX，则认为终端没有SR传输需求，且确实传输了NACK，如果解析出SR，则认为NACK解析是误检的，即终端没有传输ACK/NACK，实际传输的是SR；
第二方案：先在子帧n1～n2中，在SR对应的PUCCH资源上接收信号，并在子帧n3开始，缓存在ACK/NACK对应的PUCCH资源上接收到的信息，基站首先解析SR信号，如果基站合并SR对应的PUCCH资源上的重复信息后，检测到了SR，则认为终端实际进行了SR重复传输，没有传输ACK/NACK，否则，还可以进一步在ACK/NACK对应的PUCCH资源上解析得到ACK/NACK，如果判断在ACK/NACK对应的PUCCH资源上也没有信号传输(即检测为DTX)，则判断终端丢失下行数据(即在子帧n3开始没有传输ACK/NACK)；
第三方案：在子帧n1～n2中，在SR对应的PUCCH资源接收信号并缓存， 同时，在子帧n3～n4中，在ACK/NACK对应的PUCCH资源上接收信号并解析，如果基站判断在ACK/NACK对应的PUCCH资源上不存在信号传输(即经过合并后，检测结果为DTX)，则确定终端丢失下行数据(即在子帧n3开始没有传输ACK/NACK)，可以进一步对在SR对应的资源上接收到的信号进行合并解析获得SR，如果基站判断在SR对应的PUCCH资源上也不存在信号传输(即经过合并后，检测结果为DTX)，则判断终端在子帧n1中不存在真实的SR传输。
场景4：根据规则4进行选择
在子帧n1到子帧n2中，终端在SR对应的PUCCH资源上重复传输SR，由于SR的起始传输子帧n1在ACK/NACK传输子帧n3之前，则终端在子帧n3放弃ACK/NACK传输，如图5a所示。
基站侧的上行控制信息传输流程，与场景2中基站侧的上行控制信息传输流程相同，在此不再赘述。
场景5：根据规则5进行选择
从子帧n1到子帧n3，SR被重复传输的次数为N，SR的总重复传输次数为P，如果N除以P得到的比值大于第一阈值，则在子帧n1到子帧n2中，终端放弃ACK/NACK传输，如图5b所示，否则，在子帧n1到子帧n2，终端在SR对应的PUCCH资源上重复传输SR，如图5a所示。
基站侧的上行控制信息传输流程：
可假设终端在子帧n1中存在SR传输。如果N/P大于第一阈值，则基站侧的上行控制信息传输流程与场景2下基站侧的流程相同，否则，则基站侧的上行控制信息传输流程与场景1下基站侧的流程相同，在此不再赘述。其中，N与P的含义与前述实施例相同。
基于相同的技术构思，本公开实施例还提供了一种终端和基站。
参见图6，为本公开实施例提供的终端600的示意图。该终端可执行前述终端侧实现的上行控制信息传输流程，如图所示，该终端600可包括：确定模块61、选择模块62、传输模块63，其中：
确定模块61，用于确定重复传输上行控制信息的子帧，所述上行控制信息包括ACK/NACK和SR；
选择模块62，用于若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
传输模块63，用于在所述第一子帧传输所选择的上行控制信息。
其中，所述上行控制信息选择规则，包括上述规则1至规则5中的一种或多种，在此不再赘述。
可选地，选择模块62可具体用于：若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者，若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，选择模块62可具体用于：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，选择模块62可具体用于：
若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者
根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，选择模块62可具体用于：若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，选择模块62可具体用于：若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，传输模块63可具体用于：
若所选择的上行控制信息为ACK/NACK，则在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输所述需要在所述第一子帧传输的ACK/NACK；或者
若所选择的上行控制信息为SR，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输所述需要在所述第一子帧传输的SR。
参见图7，为本公开另一实施例提供的终端700的结构示意图，该终端可执行前述终端侧实现的上行控制信息传输流程，如图所示，该终端700可包括：处理器701、存储器702、收发机703以及总线接口。
处理器701负责管理总线架构和通常的处理，存储器702可以存储处理器701在执行操作时所使用的数据。收发机703用于在处理器701的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器701代表的一个或多个处理器和存储器702代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起。总线接口提供接口。收发机703可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器701负责管理总线架构和通常的处理，存储器702可以存储处理器701在执行操作时所使用的数据。
本公开实施例揭示的终端侧的上行控制信息传输流程，可以应用于处理器701中，或者由处理器701实现。在实现过程中，上行控制信息传输流程的各步骤可以通过处理器701中的硬件的集成逻辑电路或者软件形式的指令完成。处理器701可以是通用处理器、数字信号处理器、专用集成电路、现 场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器702，处理器701读取存储器702中的信息，结合其硬件完成上行控制信息传输流程的步骤。
具体地，处理器701，用于读取存储器702中的程序，执行下列过程：
确定重复传输上行控制信息的子帧，所述上行控制信息包括ACK/NACK和SR；
若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
在所述第一子帧传输所选择的上行控制信息。
其中，所述上行控制信息选择规则，包括上述规则1至规则5中的一种或多种，在此不再赘述。
可选地，在根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息时，若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者，若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，在根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息时，可根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，在根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息时，可在所述第一子帧之前重复传 输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值的情况下，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者，根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，在根据上行控制信息的第一传输次数和/或第二传输次数，以及所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息时，若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，在根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，以及ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息时，若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，在所述第一子帧传输所选择的上行控制信息时，若所选择的上行控制信息为ACK/NACK，则在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输所述需要在所述第一子帧传输的ACK/NACK；或者，若所选择的上行控制信息为SR，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输所述需要在所述第一子帧传输的SR。
参见图8，为本公开实施例提供的基站800的结构示意图，该基站可实 现上述基站侧的上行控制信息传输流程。如图所示，基站800可包括：接收模块81和获取模块82，其中：
接收模块81，用于接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是ACK/NACK传输子帧也是SR传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
获取模块82，用于根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
其中，所述上行控制信息选择规则，包括上述规则1至规则5中的一种或多种，在此不再赘述。
可选地，上述规则3中，根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，可包括：若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者，若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，上述规则4中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，可包括：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，上述规则5中，根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，可包括：若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者，根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上 行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，上述规则4和规则5可以结合使用，将规则3和规则5结合使用具体可包括：若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，上述规则4和规则3可以结合使用，将规则4和规则3结合使用具体可包括：若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，若所述第一子帧中传输的上行控制信息为ACK/NACK，则所述第一子帧中传输的ACK/NACK在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输；或者，若所述第一子帧中传输的上行控制信息为SR，则所述第一子帧中传输的SR在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输。
参见图9，为本公开实施例提供的基站900的结构示意图，该基站可实现上述基站侧的上行控制信息传输流程。如图所示，该终端900可包括：处理器901、存储器902、收发机903以及总线接口。
处理器901负责管理总线架构和通常的处理，存储器902可以存储处理器901在执行操作时所使用的数据。收发机903用于在处理器901的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器901代表的一个或多个处理器和存储器902代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起。总线接口提供接口。收发机903可以是多个元件，即包括发 送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器901负责管理总线架构和通常的处理，存储器902可以存储处理器901在执行操作时所使用的数据。
本公开实施例揭示的基站侧的上行控制信息传输流程，可以应用于处理器901中，或者由处理器901实现。在实现过程中，上行控制信息传输流程的各步骤可以通过处理器901中的硬件的集成逻辑电路或者软件形式的指令完成。处理器901可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器902，处理器901读取存储器902中的信息，结合其硬件完成上行控制信息传输流程的步骤。
具体地，处理器901，用于读取存储器902中的程序，执行下列过程：
接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是ACK/NACK传输子帧也是SR传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
其中，所述上行控制信息选择规则，包括上述规则1至规则5中的一种或多种，在此不再赘述。
可选地，上述规则3中，根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，可包括：若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者，若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和 SR中选择SR。
可选地，上述规则4中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，可包括：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，上述规则5中，根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，可包括：若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者，根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，上述规则4和规则5可以结合使用，将规则3和规则5结合使用具体可包括：若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
可选地，上述规则4和规则3可以结合使用，将规则4和规则3结合使用具体可包括：若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
可选地，若所述第一子帧中传输的上行控制信息为ACK/NACK，则所述第一子帧中传输的ACK/NACK在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输； 或者，若所述第一子帧中传输的上行控制信息为SR，则所述第一子帧中传输的SR在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输。
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (34)

  1. 一种上行控制信息传输方法，包括：
    确定重复传输上行控制信息的子帧，所述上行控制信息包括肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)和调度请求(SR，Scheduling Request)；
    若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
    在所述第一子帧传输所选择的上行控制信息。
  2. 如权利要求1所述的方法，其中，所述上行控制信息选择规则，包括以下规则中的一种或多种：
    第一规则：选择ACK/NACK和SR中的ACK/NACK；
    第二规则：选择ACK/NACK和SR信息中的SR；
    第三规则：根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息；
    第四规则：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息；
    第五规则：根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信息的总重复传输次数。
  3. 如权利要求2所述的方法，其中，根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者
    若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  4. 如权利要求2所述的方法，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  5. 如权利要求2所述的方法，其中，根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者
    根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  6. 如权利要求2所述的方法，其中，根据上行控制信息的第一传输次数和/或第二传输次数，以及所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  7. 如权利要求2所述的方法，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，以及ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的 子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  8. 如权利要求1至7中任一项所述的方法，其中，在所述第一子帧传输所选择的上行控制信息，包括：
    若所选择的上行控制信息为ACK/NACK，则在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输所述需要在所述第一子帧传输的ACK/NACK；或者
    若所选择的上行控制信息为SR，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输所述需要在所述第一子帧传输的SR。
  9. 一种上行控制信息传输方法，包括：
    接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)传输子帧也是调度请求(SR，Scheduling Request)传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
    根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
  10. 如权利要求9所述的方法，其中，所述上行控制信息选择规则，包括以下规则中的一种或多种：
    第一规则：选择ACK/NACK和SR中的ACK/NACK；
    第二规则：选择ACK/NACK和SR信息中的SR；
    第三规则：根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息；
    第四规则：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息；
    第五规则：根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信 息的总重复传输次数。
  11. 如权利要求10所述的方法，其中，根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者
    若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  12. 如权利要求10所述的方法，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  13. 如权利要求10所述的方法，其中，根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者
    根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  14. 如权利要求10所述的方法，其中，根据上行控制信息的第一传输次数和/或第二传输次数，以及所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一 传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  15. 如权利要求10所述的方法，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，以及ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  16. 如权利要求9至15中任一项所述的方法，其中，若所述第一子帧中传输的上行控制信息为ACK/NACK，则所述第一子帧中传输的ACK/NACK在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输；或者
    若所述第一子帧中传输的上行控制信息为SR，则所述第一子帧中传输的SR在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输。
  17. 一种终端，包括：
    确定模块，用于确定重复传输上行控制信息的子帧，所述上行控制信息包括肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)和调度请求(SR，Scheduling Request)；
    选择模块，用于若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
    传输模块，用于在所述第一子帧传输所选择的上行控制信息。
  18. 如权利要求17所述的终端，其中，所述上行控制信息选择规则，包括以下规则中的一种或多种：
    第一规则：选择ACK/NACK和SR中的ACK/NACK；
    第二规则：选择ACK/NACK和SR信息中的SR；
    第三规则：根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息；
    第四规则：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息；
    第五规则：根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信息的总重复传输次数。
  19. 如权利要求18所述的终端，其中，所述选择模块具体用于：
    若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者
    若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  20. 如权利要求18所述的终端，其中，所述选择模块具体用于：
    根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  21. 如权利要求18所述的终端，其中，所述选择模块具体用于：
    若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者
    根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  22. 如权利要求18所述的终端，其中，所述选择模块具体用于：
    若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  23. 如权利要求18所述的终端，其中，所述选择模块具体用于：
    若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  24. 如权利要求17至23中任一项所述的终端，其中，所述传输模块具体用于：
    若所选择的上行控制信息为ACK/NACK，则在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输所述需要在所述第一子帧传输的ACK/NACK；或者
    若所选择的上行控制信息为SR，则在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输所述需要在所述第一子帧传输的SR。
  25. 一种基站，包括：
    接收模块，用于接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)传输子帧也是调度请求SR，Scheduling Request)传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
    获取模块，用于根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息。
  26. 如权利要求25所述的基站，其中，所述上行控制信息选择规则，包括以下规则中的一种或多种：
    第一规则：选择ACK/NACK和SR中的ACK/NACK；
    第二规则：选择ACK/NACK和SR信息中的SR；
    第三规则：根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息；
    第四规则：根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息；
    第五规则：根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，所述第一传输次数为上行控制信息在所述第一子帧之前被重复传输的次数，所述第二传输次数为上行控制信息的总重复传输次数。
  27. 如权利要求26所述的基站，其中，根据ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR；或者
    若需要在所述第一子帧传输的ACK/NACK信息为NACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  28. 如权利要求26所述的基站，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  29. 如权利要求26所述的基站，其中，根据上行控制信息的第一传输次数和/或第二传输次数，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息的第一传输次数与第二传输次数的比值大于第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择与所述第一子帧之前重复传输的上行控制信息相同类型的上行控制信息，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择与 所述第一子帧之前重复传输的上行控制信息类型不同的上行控制信息；或者
    根据ACK/NACK的第二传输次数和SR的第二传输次数，选择第二传输次数较大或较小的上行控制信息类型，根据所选择的上行控制信息类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  30. 如权利要求26所述的基站，其中，根据上行控制信息的第一传输次数和/或第二传输次数，以及所述第一子帧之前的子帧重复传输的上行控制信息的类型，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前重复传输的上行控制信息为ACK，且ACK的第一传输次数与所述第二传输次数的比值大于所述第一阈值，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK，否则，从需要在所述第一子帧传输的ACK/NACK和SR中选择SR。
  31. 如权利要求26所述的基站，其中，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，以及ACK、NACK和SR的优先级，选择ACK/NACK和SR中的一种上行控制信息，包括：
    若所述第一子帧之前的子帧重复传输的上行控制信息为SR，且需要在所述第一子帧传输的ACK/NACK信息为ACK，则从需要在所述第一子帧传输的ACK/NACK和SR中选择ACK/NACK；否则，根据所述第一子帧之前的子帧重复传输的上行控制信息的类型，从需要在所述第一子帧传输的ACK/NACK和SR中选择相同类型的上行控制信息。
  32. 如权利要求25至31中任一项所述的基站，其中，若所述第一子帧中传输的上行控制信息为ACK/NACK，则所述第一子帧中传输的ACK/NACK在所述第一子帧中ACK/NACK对应的物理上行控制信道PUCCH资源上采用ACK/NACK对应的PUCCH传输方案传输；或者
    若所述第一子帧中传输的上行控制信息为SR，则所述第一子帧中传输的SR在所述第一子帧中SR对应的PUCCH资源上采用SR对应的PUCCH传输方案传输。
  33. 一种终端，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    确定重复传输上行控制信息的子帧，所述上行控制信息包括肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)和调度请求(SR，Scheduling Request)；
    若确定出需要在第一子帧传输ACK/NACK和SR，则根据上行控制信息选择规则从需要在所述第一子帧中传输的ACK/NACK和SR中选择一种上行控制信息；
    在所述第一子帧传输所选择的上行控制信息，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
  34. 一种基站，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    接收子帧，接收到的子帧中包括第一子帧，所述第一子帧既是肯定确认/否定确认(ACK/NACK，ACKnowledgement/Non-ACKnowledgement)传输子帧也是调度请求SR，Scheduling Request)传输子帧；其中，根据上行控制信息选择规则，所述第一子帧传输的上行控制信息中包括ACK/NACK和SR中的一种；
    根据终端所使用的上行控制信息选择规则，从接收到的子帧中的ACK/NACK传输子帧和/或SR传输子帧获取上行控制信息，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
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