WO2019128386A1 - Procédé et dispositif de transmission d'informations de commande en liaison montante - Google Patents

Procédé et dispositif de transmission d'informations de commande en liaison montante Download PDF

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Publication number
WO2019128386A1
WO2019128386A1 PCT/CN2018/110106 CN2018110106W WO2019128386A1 WO 2019128386 A1 WO2019128386 A1 WO 2019128386A1 CN 2018110106 W CN2018110106 W CN 2018110106W WO 2019128386 A1 WO2019128386 A1 WO 2019128386A1
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WIPO (PCT)
Prior art keywords
information
transmission time
feedback information
time domain
transmission
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PCT/CN2018/110106
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English (en)
Chinese (zh)
Inventor
高雪娟
托尼
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电信科学技术研究院有限公司
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Publication of WO2019128386A1 publication Critical patent/WO2019128386A1/fr

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    • 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
    • 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
    • H04L1/1806—Go-back-N protocols
    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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 application relates to the field of communications technologies, and in particular, to a method and an apparatus for transmitting uplink control information.
  • Hybrid Automatic Repeat ReQuest (HARQ) acknowledgement (HARQ-ACK) information can be used in the NR Physical Uplink Control Channel (PUCCH) format 0 or 1 or 2. Or 3 or 4 transmission, Scheduling Request (SR) information can be transmitted using NR PUCCH format 0 or 1.
  • HARQ-ACK information and the SR information are configured with different NR PUCCH formats, if the HARQ-ACK information and the SR information need to be transmitted at the same time, how to transmit the HARQ-ACK information and the SR information is not given in the prior art. solution.
  • the embodiment of the present invention provides a method and a device for transmitting uplink control information, which are used to ensure that HARQ feedback information and SR information are simultaneously transmitted when HARQ feedback information and SR information are configured in different NR PUCCH formats.
  • the network side can obtain the HARQ feedback information and the SR information in time.
  • a method for transmitting uplink control information (UCI) provided by the embodiment of the present application includes:
  • the hybrid automatic repeat request feedback information is configured to be transmitted using the first channel format;
  • the scheduling request SR information is configured to be transmitted using the second channel format;
  • the transmission time domain resource of the SR information is There is overlap in the transmission time domain resources of the feedback information;
  • the SR information When the SR information is positive positive SR information, transmitting the feedback information by using the second channel format on a transmission resource of the SR information; when the SR information is negative negative SR information, The feedback information is transmitted on the transmission resource of the feedback information by using the first channel format.
  • the hybrid automatic repeat request feedback information is configured to be transmitted using the first channel format
  • the scheduling request SR information is configured to be transmitted using the second channel format
  • the transmission time domain of the SR information The resource overlaps with the transmission time domain resource of the feedback information; when the above condition is met, when the SR information is positive positive SR information, the second channel is used on the transmission resource of the SR information.
  • Formatting the feedback information when the SR information is negative negative SR information, transmitting the feedback information by using the first channel format on a transmission resource of the feedback information, thereby implementing feedback information of HARQ
  • the SR information is configured with a different NR PUCCH format, the feedback information of the HARQ and the technical solution of the SR information are simultaneously transmitted, thereby ensuring that the network side can obtain the HARQ feedback information and the SR information in time.
  • condition further includes: the feedback information is the same as the initial transmission time of the SR information; and/or, the initial transmission time of the feedback information is ahead of the initial transmission time of the SR information. .
  • the method further includes:
  • the method further includes:
  • the symbol corresponding to the transmission time domain resource of the SR information does not overlap with the symbol corresponding to the transmission time domain resource of the SR information.
  • the first channel format is a new radio access technology NR physical uplink control channel PUCCH format format 0.
  • the second channel format is a new radio access technology NR physical uplink control channel PUCCH format format 1.
  • a memory for storing program instructions
  • a processor configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the hybrid automatic repeat request feedback information is configured to be transmitted using the first channel format;
  • the scheduling request SR information is configured to be transmitted using the second channel format;
  • the transmission time domain resource of the SR information is There is overlap in the transmission time domain resources of the feedback information;
  • the SR information When the SR information is positive positive SR information, transmitting the feedback information by using the second channel format on a transmission resource of the SR information; when the SR information is negative negative SR information, The feedback information is transmitted on the transmission resource of the feedback information by using the first channel format.
  • condition further includes: the feedback information is the same as the initial transmission time of the SR information; and/or, the initial transmission time of the feedback information is ahead of the initial transmission time of the SR information. .
  • the processor is further configured to:
  • the processor is further configured to:
  • the symbol corresponding to the transmission time domain resource of the SR information does not overlap with the symbol corresponding to the transmission time domain resource of the SR information.
  • the first channel format is a new radio access technology NR physical uplink control channel PUCCH format format 0.
  • the second channel format is a new radio access technology NR physical uplink control channel PUCCH format format 1.
  • a first unit configured to determine that the hybrid automatic repeat request feedback information is configured to be transmitted using a first channel format; the scheduling request SR information is configured to be transmitted using a second channel format; and the SR information is transmitted
  • the time domain resource overlaps with the transmission time domain resource of the feedback information
  • a second unit configured to: when the SR information is positive positive SR information, use the second channel format to transmit the feedback information on a transmission resource of the SR information; when the SR information is a negative negative In the SR information, the feedback information is transmitted using the first channel format on a transmission resource of the feedback information.
  • Another embodiment of the present application provides a computer storage medium storing computer executable instructions for causing the computer to perform any of the methods described above.
  • FIG. 1 is a schematic flowchart diagram of a UCI transmission method according to an embodiment of the present application
  • FIG. 2 to FIG. 11 are schematic diagrams showing relationship between transmission time domain resources of SR information and transmission time domain resources of HARQ-ACK information according to an embodiment of the present application;
  • FIG. 12 is a schematic structural diagram of a UCI transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another UCI transmission apparatus according to an embodiment of the present application.
  • the embodiment of the present invention provides a method and a device for transmitting uplink control information, which are used to ensure that HARQ feedback information and SR information are simultaneously transmitted when HARQ feedback information and SR information are configured in different NR PUCCH formats.
  • the network side can obtain the HARQ feedback information and the SR information in time.
  • PUCCH formats 0 and 1 can carry 1 to 2 bits of uplink control information (UCI) transmission.
  • PUCCH formats 2, 3, and 4 can carry more than 2 bits of UCI transmission;
  • PUCCH formats 0 and 2 belong to short PUCCH, occupying 1 to 2 symbol transmissions,
  • PUCCH formats 1, 3, 4 belong to long PUCCH, which can occupy 4 to 14 symbols transmission.
  • PUCCH format 0 is transmitted in a sequence mode, and there is no pilot.
  • PUCCH format1 is transmitted by data modulation and spread spectrum. There is a pilot, and channel estimation is required based on the pilot.
  • the even symbol position in the symbol occupied by PUCCH format1 is used.
  • the odd symbol position is the UCI symbol (based on assuming that the first symbol number in the symbol occupied by PUCCH format 1 is 0).
  • the SR information can be transmitted using PUCCH format 0 or 1.
  • the SR information transmission opportunity ie, transmission time domain resource
  • an SR information request ie, positive SR information
  • a cyclic shift of the SR information is pre-configured according to the high layer signaling.
  • the bit value is used to cyclically shift the base sequence to obtain a transmission sequence, which is transmitted on the configured Resource Block (RB). If there is no SR information request (negative SR information), the SR information is not transmitted.
  • RB Resource Block
  • the SR information is configured to use PUCCH format 1
  • SR information transmission opportunity ie, transmission time domain resource
  • a modulation symbol representing the SR information is carried in cyclic shift and time domain spreading.
  • the base sequence is mapped to the PUCCH format1 symbol used for transmitting UCI, and the pilot is transmitted on the remaining symbols for transmission.
  • the length of the time domain spreading sequence is related to the symbol length occupied by the PUCCH, if the SR information is negative SR information. , the SR information is not transmitted.
  • the HARQ-ACK information can use any of these five formats.
  • different HARQ-ACK information feedback states are expressed by different cyclic shift values, and if the HARQ-ACK information is 1 bit, there is an acknowledgement ⁇ ACK ⁇ and a non-acknowledgement ⁇ NACK ⁇
  • Two feedback states require 2 cyclic shift values.
  • Different cyclic shift values correspond to different HARQ-ACK information feedback states, as shown in Table 1 below, where C inital is a pre-configured initial cyclic shift value. By adding a predetermined offset value to the value, a cyclic shift value corresponding to different HARQ-ACK information feedback states can be obtained.
  • the HARQ-ACK information is 2 bits
  • the shift value corresponds to different HARQ-ACK information feedback states, as shown in Table 2 below.
  • the transmission schemes of different PUCCH formats are different.
  • the HARQ-ACK information and the SR information are configured with different NR PUCCH formats, if the HARQ-ACK information and the SR information need feedback at the same time, then the application is implemented.
  • the example provides a method for transmitting HARQ-ACK information and SR information, which is described as follows:
  • the HARQ-ACK information is configured to use NR PUCCH format 0 and the SR information is configured to use NR PUCCH format 1
  • the transmission time domain resource of the SR information that is, the transmission time domain of the HARQ-ACK information
  • the resource overlaps with the transmission time domain resource of the SR information, and when the SR information is the positive SR information, the transmission resource of the SR information (including the time domain resource and the frequency domain resource, and if present, the code domain resource, for example, positive
  • the HARQ-ACK information is transmitted using PUCCH format1 when the SR information is negative SR information, and is used on the transmission resource of the HARQ-ACK information when the SR information is negative SR information.
  • the PUCCH format 0 transmits HARQ-ACK information.
  • the overlap comprises a complete overlap and/or a partial overlap.
  • the complete overlap that is, the HARQ-ACK information is the same as the transmission start symbol of the SR information; the partial overlap, that is, the HARQ-ACK information is different from the transmission start symbol of the SR information.
  • Another way of expressing the overlap between the transmission time domain resource of the HARQ-ACK information and the transmission time domain resource of the SR information is that the HARQ-ACK information and the SR information need to be transmitted on the PUCCH in the transmission opportunity of the SR.
  • the transmission time domain resource described in the embodiment of the present application is specifically represented by a symbol occupied by the transmission, such as a SC-FDMA (Single-Carrier Frequency-Division Multiple Access) symbol or a DFT.
  • SC-FDMA Single-Carrier Frequency-Division Multiple Access
  • DFT Double-Carrier Frequency-Division Multiple Access
  • -S-OFDM Discrete Fourier Transform-Spread-Orthogonal Frequency Division Multiplexing
  • OFDM Orthogonal Frequency Division Multiplexing
  • CP Cyclic Prefix
  • the symbol of the time domain resource of the transmission of the time domain resource of the SR information overlapping with the transmission time domain resource of the HARQ-ACK information, or the transmission of the time domain resource of the first SR information overlapping with the transmission time domain resource of the HARQ-ACK information Start, drop the SR information; or, when it is determined that there is HARQ-ACK information in the transmission opportunity of the SR information, drop SR information as soon as possible, that is, on the symbol of the transmission time domain resource of the SR information, can be determined in the SR
  • determining whether there is HARQ-ACK information and the feedback status of the HARQ-ACK information occurs before the start transmission time of the HARQ-ACK information in particular, determining whether the HARQ-ACK information exists only needs to be received according to whether it is received or not.
  • the corresponding downlink transmission can be determined, and usually one downlink transmission occurs before the SR information transmission opportunity. Therefore, it is possible to determine whether there is HARQ-ACK information before the initial transmission time of the SR information, but it is not necessarily able to determine the specific HARQ-ACK information feedback status, because the feedback status needs to wait for the received downlink transmission to be determined. If the downlink transmission occurs in the same time slot as the SR information transmission opportunity, it may not be enough before the start time of the SR information.
  • the relevant SR information is dropped or whether the SR information and the HARQ-ACK information are simultaneously transmitted may be earlier than the symbol position actually overlapping in the transmission time domain resource of the HARQ-ACK information and the SR information; for example, drop The SR information, that is, the SR information is not transmitted since the start of the transmission of the SR information, because it is assumed that the initial transmission of the SR information
  • the HARQ-ACK information may be determined before the engraving, or if the HARQ-ACK information is determined before the initial transmission time of the SR information, the drop SR information, that is, not transmitted from the start transmission time of the SR information SR information, or when the feedback state of the HARQ-ACK information can be determined before the initial transmission time of the SR information, the PUQCH format 1 is used to transmit the HARQ-ACK information on the transmission resource of the SR information to implicitly express the presence of the positive SR.
  • Information if it is not possible to determine the presence of HARQ-ACK information before the start transmission time
  • the foregoing behavior is that if there is negative SR information, if there is no SR information transmission on the resource of the SR information, the UE side considers that there is only HARQ-ACK information, and there is no overlapping time domain resource with the SR information, the base station Then, whether the SR information transmission exists can be determined by blindly detecting the SR information and the transmission time domain resource of the HARQ-ACK information.
  • the HARQ-ACK information is transmitted using PUCCH format 0 on the transmission resource of the HARQ-ACK information.
  • the foregoing determining behavior may not be performed, and it is assumed that the relative position between the initial transmission time of the HARQ-ACK information and the initial transmission time of the SR information may be in the HARQ-ACK information. It is determined whether there is positive SR information before the start of transmission time, and the feedback state of the HARQ-ACK information is determined before the start transmission time of the SR information, so the transmission scheme can always be determined according to the above rules.
  • the HARQ-ACK information is not transmitted; otherwise, according to the PUCCH format configured to the HARQ-ACK information, Transmitting HARQ-ACK information on a transmission resource corresponding to the HARQ-ACK information;
  • the protocol does not specify how the HARQ-ACK information is transmitted in the above case, and the terminal determines whether to transmit the HARQ-ACK information autonomously.
  • an embodiment of the present application provides a UCI transmission method, including:
  • the hybrid automatic repeat request feedback information is configured to be transmitted by using a first channel format
  • the scheduling request SR information is configured to be transmitted by using a second channel format
  • the transmission time domain resource of the SR information is The transmission time domain resources of the feedback information overlap (ie, at least partially identical);
  • the method provided by the embodiment of the present application may be applied to the UE side, and may also be applied to the network side, for example, the base station side.
  • the UCI transmission method is a UCI transmission method, and correspondingly, on the network side.
  • the UCI transmission method is the UCI receiving method.
  • the feedback information may be acknowledgement (ACK) information or non-acknowledgement (NACK) information. That is, the HARQ-ACK described in the above.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • condition further includes: the feedback information is the same as the initial transmission time of the SR information; and/or, the initial transmission time of the feedback information is ahead of the initial transmission time of the SR information. .
  • the method further includes:
  • the method further includes:
  • the symbol corresponding to the transmission time domain resource of the SR information does not overlap with the symbol corresponding to the transmission time domain resource of the SR information.
  • the first channel format is a new radio access technology NR physical uplink control channel PUCCH format format 0.
  • the second channel format is a new radio access technology NR physical uplink control channel PUCCH format format 1.
  • the SR information is configured to be transmitted using PUCCH format 1 of length 4 symbols, and the transmission structure is RURU, where R is the symbol position of the transmission pilot in the 4 symbols occupied by the PUCCH, and U is the symbol position of the transmission UCI;
  • the initial cyclic shift value of the SR information is CS0-SR, and the Orthogonal Cover Code (OCC) sequence index (index) is 0, that is, corresponding to the first OCC sequence in Table 3, and the RB is 1 RB. For example, it is an RB numbered 1; it is assumed that the last four symbols in the slot n are determined to be SR information transmission opportunities according to the periodic configuration of the SR information.
  • OCC Orthogonal Cover Code
  • the HARQ-ACK information is configured to be transmitted using PUCCH format 0, assuming that 2-symbol transmission is used, assuming 1-bit HARQ-ACK information transmission, the initial cyclic shift value configured for the HARQ-ACK information is CS0-AN, occupying 1 RB transmission. For example, the RB numbered 2; when the transmission time domain resource of the SR information overlaps with the transmission time domain resource of the HARQ-ACK information:
  • Case 1 As shown in FIG. 2, the start time of the HARQ-ACK information is aligned with the start time of the SR information, that is, the start symbol of the HARQ-ACK information is the same as the start symbol of the SR information, for example, configured for HARQ-ACK.
  • the time domain resource of the information is the last 3rd and 4th symbols of the slot n, then:
  • the PUCCH format 1 is used to transmit the 1-bit HARQ-ACK to be fed back on the resources of the SR information.
  • the information, that is, the 1-bit HARQ-ACK information is modulated by Binary Phase Shift Keying (BPSK) to obtain one modulation symbol, and is configured according to the initial cyclic shift value CS0-SR information and the OCC sequence of the SR information.
  • BPSK Binary Phase Shift Keying
  • the spread spectrum is transmitted on the last four symbols in the slot n and the RBs assigned to the SR information numbered 1 according to the mapping manner of the RURU, that is, implicitly by transmitting the HARQ-ACK information on the SR information resource.
  • P-SR information Express the transmission of P-SR information at the same time, as shown in Figure 3.
  • the PUCCH format 0 is used to transmit the feedback to be used on the resource corresponding to the HARQ-ACK information.
  • Bit HARQ-ACK information that is, according to whether the 1-bit HARQ-ACK information is ACK or NACK, according to the initial CS0-AN configured to the HARQ-ACK information and Table 1 above, a cyclic shift value is determined, and the cyclic shift value is generated according to the bit shift value.
  • the mapping is transmitted on the third and fourth symbols of the last time slot n and the RB number 2 assigned to the HARQ-ACK information, as shown in FIG.
  • the initial transmission time of the HARQ-ACK information advances the initial transmission time of the SR information, that is, the start symbol of the HARQ-ACK information is before the start symbol of the SR information, for example, configured for HARQ-
  • the time domain resource of the ACK information is the last 4th and 5th symbols of the slot n, then:
  • the PUCCH format 1 is used to transmit the 1-bit HARQ-ACK information to be fed back, which is the same as the case 1;
  • the PUCCH format 0 is used to transmit the 1-bit HARQ-ACK information to be fed back, that is, the transmission resource corresponding to the HARQ-ACK information, that is, According to whether the 1-bit HARQ-ACK information is ACK or NACK, according to the initial CS0-AN configured to the HARQ-ACK information and Table 1, a cyclic shift value is determined, and a sequence is generated according to the cyclic shift value, and mapped in the slot n.
  • the reciprocal 4th and 5th symbols are transmitted on the RB numbered 2 assigned to the HARQ-ACK information, as shown in FIG. 6.
  • the UE can determine whether there is P-SR information in the transmission opportunity of the SR information before the start symbol of the HARQ-ACK information, because the HARQ-ACK information only advances the start symbol of the transmission opportunity of the SR information by one symbol. Whether or not the P-SR information needs to be determined before the SR information transmission opportunity in the transmission opportunity of the SR information is necessary because the time of the channel for transmitting the SR information needs to be prepared, and therefore, such an assumption can be established.
  • the time domain resource configured for the HARQ-ACK information is the last 1st and 2nd symbols of the slot n, that is, the initial transmission time of the HARQ-ACK information is behind the initial transmission of the SR information.
  • the time, that is, the start symbol of the HARQ-ACK information is after the start symbol of the SR information, then:
  • the PUCCH format 1 is used to transmit the 1-bit HARQ-ACK information to be fed back on the transmission resource of the SR information, and the specific process is the same as the case 1;
  • the drop SR information is started at the symbol position overlapping with the transmission time domain resource of the HARQ-ACK information on the transmission time domain resource of the SR information, as shown in FIG. 8 or when the HARQ-ACK information is judged to be dropped, the SR information is dropped as soon as possible.
  • the SR information is dropped as soon as possible.
  • drop SR information directly at the initial transmission position of the SR information since it is assumed that the UE can always determine that there is HARQ-ACK information on the last 1st and 2nd symbols before the initial transmission position of the SR information, in HARQ-
  • the PUCCH format 0 is used to transmit the 1-bit HARQ-ACK information to be fed back, as shown in FIG.
  • the drop SR information is started at the symbol position where the HARQ-ACK information can be determined, for example, the UE is assumed to be in the transmission resource corresponding to the ACK information.
  • the second SR information symbol it is judged that there is HARQ-ACK information on the first and second symbols of the last number, because the UE cannot determine that the HARQ-ACK information overlaps with the SR information on the first SR information symbol.
  • the case where only the positive SR information exists is transmitted on the transmission resource of the SR information, the UE starts to drop SR information from the second symbol of the SR information, and transmits the PUCCH format 0 on the transmission resource corresponding to the HARQ-ACK information.
  • 1 feedback bit HARQ-ACK information as shown in FIG.
  • the 1-bit HARQ-ACK information to be fed back is transmitted using the PUCCH format 0 on the transmission resource corresponding to the HARQ-ACK information, as shown in FIG. 11;
  • the PUCCH format 1 is used to transmit the 1-bit HARQ-ACK information to be fed back on the transmission resource of the SR information, as in Case 1 State
  • the PUCCH format 0 is used to transmit the 1-bit HARQ-ACK information to be fed back on the transmission resource corresponding to the HARQ-ACK information. That is, according to whether the 1-bit HARQ-ACK information is ACK or NACK, according to the initial CS0-AN configured to the HARQ-ACK information and Table 1, a cyclic shift value is determined, and a sequence is generated according to the cyclic shift value, and the mapping is performed at the time.
  • the slot n is configured to transmit the HARQ-ACK information and the RB number 2 assigned to the HARQ-ACK information, as shown in FIGS. 4, 6, and 11;
  • the SR information can determine the feedback state of the HARQ-ACK information before the initial transmission time, and the initial transmission time of the HARQ-ACK information is ahead of At the initial transmission time of the SR information, it is assumed that the presence of the P-SR information can be determined before the HARQ-ACK information transmission.
  • the base station when detecting, the base station does not determine whether the UE has P-SR information transmission in the transmission opportunity of the SR information, and needs to use the format1 scheme on the SR information resource and the format0 on the transmission resource of the HARQ-ACK information.
  • the scheme performs blind detection. If no information is received on the transmission resource of the HARQ-ACK information (or no information is received on part of the symbol) and the information is received on the transmission resource of the SR information, it is determined that the P-SR information exists.
  • the HARQ-ACK information is received on a transmission resource of the SR information.
  • the HARQ-ACK information can be received on the transmission resource.
  • HARQ-ACK information is 1 bit as an example, and if it is 2 bits, the table 2 is used, and the process is similar and will not be described again.
  • a UCI transmission apparatus provided by an embodiment of the present application includes:
  • a memory 11 for storing program instructions
  • the processor 12 is configured to invoke a program instruction stored in the memory, and execute according to the obtained program:
  • the hybrid automatic repeat request feedback information is configured to be transmitted using the first channel format;
  • the scheduling request SR information is configured to be transmitted using the second channel format;
  • the transmission time domain resource of the SR information is There is overlap in the transmission time domain resources of the feedback information;
  • the SR information When the SR information is positive positive SR information, transmitting the feedback information by using the second channel format on a transmission resource of the SR information; when the SR information is negative negative SR information, The feedback information is transmitted on the transmission resource of the feedback information by using the first channel format.
  • condition further includes: the feedback information is the same as the initial transmission time of the SR information; and/or, the initial transmission time of the feedback information is ahead of the initial transmission time of the SR information. .
  • the processor 12 is further configured to:
  • the processor 12 is further configured to:
  • the symbol corresponding to the transmission time domain resource of the SR information does not overlap with the symbol corresponding to the transmission time domain resource of the SR information.
  • the first channel format is a new radio access technology NR physical uplink control channel PUCCH format format 0.
  • the second channel format is a new radio access technology NR physical uplink control channel PUCCH format format 1.
  • another UCI transmission apparatus provided by an embodiment of the present application includes:
  • the first unit 21 is configured to determine that the hybrid automatic repeat request feedback information is configured to be transmitted by using a first channel format; the scheduling request SR information is configured to be transmitted by using a second channel format; The transmission time domain resource overlaps with the transmission time domain resource of the feedback information;
  • the second unit 22 is configured to: when the SR information is positive positive SR information, use the second channel format to transmit the feedback information on a transmission resource of the SR information; when the SR information is negative In the case of negative SR information, the feedback information is transmitted using the first channel format on a transmission resource of the feedback information.
  • the UCI transmission device provided by the embodiment of the present application may be a terminal side device, for example, may be a UE, or may be a network side device, for example, a base station.
  • the embodiment of the present application provides a computer storage medium for storing computer program instructions, which includes a program for executing any of the methods provided by the foregoing embodiments of the present application.
  • the computer storage medium can be any available media or data storage device accessible by a computer, including but not limited to magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memories (for example, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)).
  • magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage eg, CD, DVD, BD, HVD, etc.
  • semiconductor memories for example, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state hard disk (SSD)).
  • the method provided by the embodiment of the present application can be applied to a terminal device, and can also be applied to a network device.
  • the terminal device may also be referred to as a user equipment (User Equipment, referred to as "UE"), a mobile station (Mobile Station, referred to as "MS”), a mobile terminal (Mobile Terminal), etc.
  • UE User Equipment
  • MS Mobile Station
  • Mobile Terminal Mobile Terminal
  • the terminal may The ability to communicate with one or more core networks via a Radio Access Network (RAN), for example, the terminal can be a mobile phone (or “cellular” phone), or a computer with mobility properties, etc.
  • RAN Radio Access Network
  • the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • a network device may be a base station (e.g., an access point) that refers to a device in the access network that communicates with the wireless terminal over one or more sectors over the air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B) is not limited in the embodiment of the present invention.
  • BTS Base Transceiver Station
  • NodeB base station
  • NodeB evolved base station in LTE
  • LTE NodeB or eNB or e-NodeB, evolutional Node B
  • the embodiment of the present application when the HARQ-ACK information configuration format 0 and the SR information configuration format1, if there is positive SR information, the format1 is used to transmit the HARQ-ACK information on the transmission resource of the SR information. Transmit HARQ-ACK information and SR information. Therefore, the embodiment of the present application provides a UCI transmission method.
  • the HARQ-ACK information is configured to use NR PUCCH format 0 and the SR information is configured to use NR PUCCH format 1, the PUCCH format 1 transmission is used on the transmission resource of the SR information.
  • the HARQ-ACK information implicitly expresses the presence of the positive SR information, so as to simultaneously transmit the HARQ-ACK information and the positive SR information, so that the base station can obtain the SR information and the HARQ-ACK information in time.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de transmission d'informations de commande en liaison montante, qui sont utilisés pour mettre en œuvre une transmission simultanée d'informations de rétroaction HARQ-ACK (accusé de réception de recherche de retransmission automatique hybride) et d'informations SR (demande de planification) lorsque la configuration des informations de rétroaction HARQ-ACK et la configuration des informations SR présentent différents formats de PUCCH (canal de commande de liaison montante physique) de NR, de manière à garantir qu'un côté réseau puisse acquérir les informations de rétroaction HARQ et les informations SR à temps. Le procédé comprend les étapes consistant : à déterminer que les conditions suivantes sont satisfaites : les informations de rétroaction HARQ-ACK sont configurées pour être transmises au moyen d'un premier format de canal, les informations SR sont configurées pour être transmises au moyen d'un second format de canal, et des ressources de domaine temporel de transmission des informations SR chevauchent des ressources de domaine temporel de transmission des informations de rétroaction ; lorsque les informations SR sont des informations SR positives, à transmettre les informations de rétroaction HARQ-ACK sur les ressources de transmission des informations SR au moyen du second format de canal ; et lorsque les informations SR sont des informations SR négatives, à transmettre les informations de rétroaction sur les ressources de transmission des informations de rétroaction HARQ-ACK au moyen du premier format de canal.
PCT/CN2018/110106 2017-12-29 2018-10-12 Procédé et dispositif de transmission d'informations de commande en liaison montante WO2019128386A1 (fr)

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