WO2023011648A1 - Procédé et appareil d'envoi de signal - Google Patents

Procédé et appareil d'envoi de signal Download PDF

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Publication number
WO2023011648A1
WO2023011648A1 PCT/CN2022/110646 CN2022110646W WO2023011648A1 WO 2023011648 A1 WO2023011648 A1 WO 2023011648A1 CN 2022110646 W CN2022110646 W CN 2022110646W WO 2023011648 A1 WO2023011648 A1 WO 2023011648A1
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WIPO (PCT)
Prior art keywords
time window
time
signal
symbol
terminal device
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PCT/CN2022/110646
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English (en)
Chinese (zh)
Inventor
陆绍中
郭志恒
马蕊香
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华为技术有限公司
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Publication of WO2023011648A1 publication Critical patent/WO2023011648A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a method and device for sending signals.
  • the new air interface (New Ratio, NR) protocol defines a demodulation reference signal (Demodulation Reference Signal, DMRS) for network side channel estimation.
  • the network device can configure different DMRS time-frequency resources for the terminal device based on the channel quality of the uplink channel to ensure the uplink transmission capability.
  • the NR Release 17 protocol discloses that DMRS of multiple time units can be used for joint channel estimation (Joint Channel Estimation, JCE) to enhance the accuracy of channel estimation and improve the demodulation and decoding performance of uplink transmission.
  • JCE Joint Channel Estimation
  • TDW Time Domain Window
  • Network equipment can configure time windows for multiple terminal devices within the coverage area, so that each terminal device can guarantee its transmission power within a time window.
  • the consistency and the continuity of the signal phase enable network devices to execute JCE within a time window, ensuring the feasibility of JCE within a time window.
  • different terminal devices may have different maximum durations (Maximum Duration, MD) for maintaining power consistency and phase continuity.
  • MD Maximum Duration
  • the length of the time window configured by the network device for a certain terminal device exceeds the corresponding maximum duration of the terminal device, it may cause the consistency of the transmit power and signal phase of the terminal device within a time window configured by the network device. Continuity cannot be guaranteed, that is, it is possible that the transmit power and signal phase of the terminal equipment outside the time window may be inconsistent with the transmit power and signal phase within the time window, which will degrade JCE performance and uplink coverage performance.
  • the embodiments of the present application provide a method and device for sending a signal, which can prevent the length of the time window configured for the terminal device by the network side from exceeding the maximum duration, thereby improving JCE performance.
  • a method for sending a signal including: a terminal device determines at least one time window, and when a first time window exists in at least one time window, the terminal device obtains multiple time windows according to the first time window, wherein, The length of the first time window is greater than the first maximum duration, and the length of each time window in the multiple time windows is less than or equal to the first maximum duration of the terminal device; the first maximum duration is the phase continuity supported by the terminal device The longest time consistent with the transmit power; the terminal device sends the first signal to the network device, and the terminal device is in each time window in multiple time windows and at least one time window except the first time window The transmission power of the first signal sent on the time domain resource is consistent and the phase is continuous; where the first maximum duration can be understood as the first MD, and the first MD can be the capability information of the terminal device, or the MD indicated by the network device .
  • the terminal device obtains multiple time windows according to the first time window, including: the terminal device obtains multiple time windows by dividing the first time window equally; or, the terminal device divides the first time window by a dichotomy method to obtain multiple time windows time window; or, the terminal device receives first indication information sent by the network device, the first indication information indicates the starting position and length of each time window, and the terminal device determines the first time window as a plurality of time windows according to the first indication information window.
  • the present application may send the first signal through each of the determined multiple time windows, or at least one of the time windows other than the first time window, since the length of the determined time window is less than Or equal to the first maximum duration, which can make the transmission power of the terminal device consistent and phase continuous when sending the first signal, which is beneficial for the network device to perform JCE according to the received first signal and improve uplink coverage.
  • the present application when the present application obtains the time window finally used for sending the first signal, it can use the equal division method, the dichotomy method or the first indication information to determine how to divide the first time window, so that the multiple time windows after division
  • the length is less than or equal to the maximum duration, which can make the transmission power of the terminal device consistent and phase continuous when sending the first signal, and can avoid the possibility that the terminal device may exceed The problem of inconsistent transmit power and discontinuous phase caused by the first maximum duration of the terminal device.
  • the first indication information is a bitmap
  • the bitmap includes multiple bit values, and consecutive same bit values are used to indicate a time window.
  • the bitmap is "001100", assuming that the first maximum duration is 2 time slots, and each bit represents 1 time slot, then the terminal device can divide the first time window into 3 consecutive 2 time slots 3 time windows are obtained, and the length of each time window is 2 time slots.
  • the terminal device determining at least one time window includes: the terminal device determining a time domain resource of a second time window, where the start position of the second time window is the time domain position where the start resource of the first signal is located, The end position is the time domain position where the end resource of the first signal is located; the terminal device determines the second time window as at least one time window.
  • the time domain position here may be specific to a time slot or a symbol or the number of repetitions and the like.
  • the second time window is equivalent to the time domain resource range of at least one time window, and at least one time window less than or equal to the first maximum duration may be determined in the second time window.
  • the start position of the second time window is the first symbol of the first repeated transmission opportunity
  • the end position of the second time window is the last symbol of the last repeated transmission opportunity.
  • the uplink and downlink frame ratio is "DDSUU”
  • the number of repetitions is 8: "DDSUUDDSUU”.
  • the first symbol of the transmission opportunity of the first repetition can be understood as the first S slot 1 symbol
  • the last symbol of the last repeated transmission opportunity can be understood as the last symbol of the 4th U time slot
  • the starting position of the second time window is the first of the actual transmission of the first repeated symbol
  • the end position of the second time window is the last symbol of the actual transmission of the last repetition.
  • the uplink and downlink frame ratio is "DDSUU", and the number of repetitions is 8: "DDSUUDDSUU".
  • the first symbol of the actual transmission of the first repetition can be understood as the first symbol of the first U time slot 1 symbol
  • the last symbol of the actual transmission of the last repetition can be understood as the last symbol of the 4th U time slot.
  • the start position of the second time window is the first symbol of the first nominal repetition
  • the end position of the second time window is the last symbol of the last nominal repetition.
  • the uplink and downlink frame ratio is "DDSUU”
  • the first nominal repetition is 8 nominal repetitions starting from the first symbol of the S slot; or, the starting position of the second time window is the actual The first symbol of the repetition, the second time window ends at the last symbol of the last actual repetition.
  • the uplink and downlink frame ratio is "DDSUU"
  • the nominal number of repetitions is 8
  • the first nominal repetition starts from the first symbol of the S slot
  • the last 4 symbols of the S slot The symbol is an uplink symbol
  • the start position of the second time window can be the first uplink symbol of the S time slot
  • the fourth symbol of the last U time slot of the 8 nominal repetitions is the end position.
  • the starting position of the second time window is the first symbol of the time domain resource allocated to the transmission block across multiple slots, and the end position of the second time window is allocated to the last symbol of the time domain resource transmitted across the multi-slot transmission block.
  • a symbol The multi-slot transmission block can be understood as TBoMS, and the time-domain resource it occupies is "DDSUU". Assume that the first symbol of the time-domain resource allocated to TBoMS starts from the first S-slot, and the first S-slot The first symbol is the starting position.
  • the last time slot of the TBoMS time domain resource is a U time slot, and the last symbol of the last U time slot is the end position; or, the start position of the second time window is the time domain resource for sending a transmission block across multiple time slots
  • the end position of the second time window is the last symbol of the time domain resource for transmitting the multi-slot transmission block.
  • the terminal device determines at least one first time window according to at least one of the number of time units spanning multi-slot transmission blocks, the first maximum duration, the reference maximum duration, or the length of the reference time window
  • the terminal device may determine the time domain resource of at least one second time window.
  • the starting position of the first second time window in the at least one second time window is the first repeated transmission opportunity or the first symbol actually transmitted;
  • the Mth in the at least one second time window The starting position of the next first time window of the second time window is the first repeated transmission opportunity after the Mth second time window or the first symbol actually transmitted, and M is an integer greater than or equal to 1;
  • the starting position of the first second time window (second time window 1) is The first S time slot, the next second time window of the second time window 1, that is, the starting position of the second time window 2 is the first repeated transmission opportunity (U time slot) after the second time window 1 the first symbol of .
  • the first second time window (second time window 1) starts The starting position is the first U time slot, and the starting position of the second time window 2 is the first repeated actual transmission after the second time window, that is, the first symbol of the third U time slot.
  • the starting position of the second time window 1 is the first U time slot, and the second time window The starting position is the first symbol of the second U slot.
  • the starting position of the first second time window in the at least one second time window is the first nominally repeated transmission opportunity or the first symbol actually transmitted;
  • the Mth in the at least one second time window The starting position of the next first time window of the second time window is the first nominally repeated transmission opportunity after the Mth second time window or the first symbol actually transmitted, and M is an integer greater than or equal to 1 ;
  • the transmission timing of the first nominal repetition of the 8 nominal repetitions is the first symbol of the first S slot, that is, the first second time window :
  • the starting position of the second time window 1 is the first symbol of the first S slot
  • the second second time window the starting position of the second time window 2 is the first symbol after the second time window 1
  • the first symbol of the transmission opportunity of the second nominal repetition that is, the first symbol of the transmission opportunity of the fourth nominal repetition of the 8 nominal repetitions of transmission.
  • each second time window shown in (b) and (c) in FIG. 17 is similar to the principle shown in (a) in FIG. 17 .
  • the first second time window is the second time window 1
  • the second second time window is the second time window 2 .
  • the starting position of the second time window 1 is the first symbol in the uplink symbols in the S slot
  • the starting position of the second time window 2 is the seventh nominal repeated transmission, that is, the symbol in the second S slot The 1st symbol in the ascending symbol.
  • the starting position of each second time window shown in (e), (f) and (g) in FIG. 17 is similar to the principle shown in (d) in FIG. 17 .
  • the starting position of the first second time window in the at least one second time window is the first symbol of the first time unit of the first multi-slot transmission block;
  • the starting position of the next first time window of the Mth first time window is the first symbol of the first time unit after the Mth second time window, and M is an integer greater than or equal to 1;
  • exemplary Yes as shown in (a) in Figure 24, TBoMS occupies 8 time slots, the first second time window, that is, the starting position of the second time window 1 is the first symbol of the first TOT of TBoMS , that is, the first symbol of the first U time slot, the second time window, that is, the starting position of the second time window 2 is the first symbol of the second TOT, that is, the first symbol of the fourth U time slot 1st symbol.
  • the starting position of the first second time window in the at least one second time window is the first symbol of the time domain resource allocated to the transmission block across the multi-slots, or the time when the transmission block across the multi-slots is transmitted
  • the first symbol of the domain resource; the starting position of the next second time window of the Mth second time window in at least one second time window is after the Mth second time window, allocated to cross-multi-slot transmission
  • M is an integer greater than or equal to 1.
  • the first second time window that is, the starting position of the second time window 1 is the first symbol of the first U slot of the first TOT
  • the second second time window that is, the starting position of the second time window 2 is the first symbol of the third U time slot.
  • the length of each first time window satisfies one of the following conditions One: equal to the length of the reference time window or the reference maximum duration; less than or equal to the length corresponding to the maximum number of time slots or the maximum number of repetitions of the first maximum duration; less than or equal to the length of the first maximum duration or the reference maximum duration.
  • One equal to the length of the reference time window or the reference maximum duration; less than or equal to the length corresponding to the maximum number of time slots or the maximum number of repetitions of the first maximum duration; less than or equal to the length of the first maximum duration or the reference maximum duration.
  • the length of each first time window satisfies one of the following conditions: equal to the reference time window or length of the reference maximum duration; less than or equal to the length of the maximum number of nominal repetitions of the first maximum duration; less than or equal to the first maximum duration or the length of the reference maximum duration starting at the start of each first time window The length of the number of valid symbols available consecutively. In this way, when the length of the second time window is controlled, the length of at least one time window obtained by dividing the second time window will not exceed the first maximum duration.
  • the length of each first time window satisfies one of the following conditions: equal to the reference The length of the time window or the reference maximum duration; the length of the maximum number of time units or the maximum number of time slots less than or equal to the first maximum duration; less than or equal to the length of the first maximum duration or the reference maximum duration The length of the number of consecutive available uplink time slots starting from the starting position of the first time window; less than or equal to the first maximum duration or the time unit starting from the starting position of each first time window in the reference maximum duration In this way, when the length of the second time window is controlled, the length of at least one time window obtained by dividing the second time window will not exceed the first maximum duration.
  • the starting position of the first second time window is the first symbol of the time domain resource allocated to the transmission block across multi-slots, or when the first symbol of the time domain resource of the transmission block across multi-slots is transmitted, every The length of the second time window satisfies one of the following conditions: equal to the length of the reference time window or the reference maximum duration; less than or equal to the length corresponding to the maximum number of time slots of the first maximum duration; less than or equal to the first maximum
  • the duration or refer to the length corresponding to the number of consecutive available uplink time slots starting from the starting position of each second time window in the maximum duration. In this way, when the length of the second time window is controlled, the length of at least one time window obtained by dividing the second time window will not exceed the first maximum duration.
  • the terminal device determining the second time window as at least one time window includes:
  • the terminal device When the terminal device determines that within the time domain resources of the second time window, the time domain interval between discontinuous time domain resources occupied by the first signal is greater than or equal to X time domain units, the terminal device will start from the start of the second time window
  • the time domain resource of at least one time window is determined from the position starting to the previous symbol of X time domain units, from the first symbol after X time domain units to the end position of the second time window It is determined as a time domain resource of another time window in at least one time window, where X is an integer greater than or equal to 1.
  • the time domain unit is a symbol or a time slot. That is to say, when the discontinuous time domain resource occupied by the first signal has a time domain interval, if the time domain interval is too large, the second time window may be divided into at least one time window according to the position of the time domain interval.
  • the terminal device When the terminal device determines that Y time domain units starting from the starting position of the second time window are not used to transmit the first signal, the terminal device will start from the first symbol after the Y time domain units to the end of the second time window
  • the position is determined as one time window in at least one time window; Y is an integer greater than or equal to 1. That is, when the first Y time domain units of the second time window are not used for sending the first signal, Y time domain units can be removed, and the start of the second time window is determined from the first symbol after the Y time domain units. start position.
  • the terminal device When the terminal device determines that the last Z time domain units of the time domain resources of the first time window are not used to send the first signal, the terminal device will start from the start position of the second time window to the previous symbol of the Z time domain units Determined as one time window in at least one time window; Z is an integer greater than or equal to 1. That is, when the last Z time domain units of the second time window are not used for sending the first signal, Z time domain units can be removed, starting from the starting position of the second time window to the first one of the Z time domain units The sign is determined as the length of the second time window.
  • the terminal device determining the second time window as at least one time window includes:
  • the terminal device determines that within the second time window, time domain resources for sending the second signal exist between the time domain resources of the first signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, or carries the second signal.
  • the terminal device will start from the start position of the second time window Determine the time domain resource of one of the time windows in the at least one time window from the beginning to the previous symbol of the time domain resource occupied by the second signal, and start from the first symbol after the time domain resource occupied by the second signal to The end position of the second time window is determined as the time domain resource of one of the at least one time window.
  • the second time window may be divided to remove time domain resources for sending the second signal in the second time window.
  • the first signal is different from the second signal, and the time domain unit is a symbol or a time slot.
  • the terminal device determines that P time domain units starting from the starting position of the second time window are used to send the second signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, or carries the first
  • the terminal device will start from the time domain resource occupied by the second signal
  • the beginning of the first symbol to the end of the second time window is determined as one of the at least one time window; P is an integer greater than or equal to 1.
  • the second time window may be divided to remove the first P time domain units used for sending the second signal in the second time window.
  • the terminal device determines that the last Q time domain units of the second time window are used to send the second signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, or the physical resource block carrying the first signal
  • the terminal device will start from the starting position of the second time window to Q time domains
  • the previous symbol of the unit is determined as a time window in at least one time window; Q is an integer greater than or equal to 1; like this, in order to ensure that the transmission power of the first signal is consistent and the phase is continuous, the second time window can be switched Minutes, removing last Q time domain units used for sending the second signal in the second time window.
  • a method for sending a signal including:
  • the terminal device determines the starting position of each time window in the at least one time window and the length of each time window, and the length of each time window in the at least one time window is less than or equal to the first maximum duration of the terminal device; the first The maximum duration is the longest time supported by the terminal device to maintain phase continuity and consistent transmission power; the terminal device sends the first signal to the network device, and the terminal device sends the second signal on the time domain resource of each time window of at least one time window.
  • the transmit power of a signal is consistent and the phase is continuous.
  • each time window can be configured as a time window less than or equal to the first maximum duration of the terminal device, that is, the actual time the terminal device uses for uplink transmission.
  • the length of the window will not exceed the first maximum duration, and the first maximum duration can be understood as the longest time supported by the terminal device for maintaining phase continuity and consistent transmit power. In this way, the consistency of the transmit power and the continuity of the phase of the terminal equipment can be guaranteed, and the JCE performance can be improved.
  • the starting position of the first time window of at least one time window is the first time unit of the actual transmission of the first repetition; the next time of the Mth time window of at least one time window The starting position of the window is the first time unit of the actual transmission of the first repetition after the Mth time window, and M is an integer greater than or equal to 1; where the first time unit can be the first symbol of the actual transmission ; It can also be the first symbol of the time slot where the actual transmission is located.
  • the first time unit is the first symbol of the time slot where the actual transmission is located
  • the uplink and downlink frame ratio of the terminal device is "DDSUU"
  • M is 1
  • the number of repetitions is 8
  • the first time slot allocated when the number of repetitions is 8 is S time slot
  • the starting position of the first time window of at least one time window is U
  • the next time window of the first time window of at least one time window the start position of the second time window is the U time slot of the first repetition after the first time window first symbol.
  • the starting position of the first time window of at least one time window is the first symbol of the first actual transmission; the starting position of the next time window of the Mth time window of at least one time window is the Mth time window
  • M is an integer greater than or equal to 1.
  • each S-slot occupies 4 uplink symbols, then the first actual transmission of the 8 nominal repetitions
  • One symbol is the first symbol of the 4 uplink symbols, that is, the starting position of the first time window of at least one time window is the first symbol of the 4 symbols.
  • the starting position of the second time window is the first uplink symbol of the first S slot after the first time window, that is, the first uplink symbol in the second S slot shown in (b) in Figure 6 1 ascending symbol.
  • the starting position of the 1st first time window in at least one time window is the first symbol of the time-domain resource for transmitting the transmission block across the multi-slots; the next The starting position of the time window is after the Mth time window, and the first symbol of the time domain resource spanning the multi-slot transport block is sent, and M is an integer greater than or equal to 1. Transmitting blocks across multiple slots can be understood as TBoMS.
  • TBoMS occupies 8 time slots
  • S time slot is not used to send TBoMS
  • the starting position of the first time window can be is the first symbol of the time slot for sending TBoMS, that is, the first symbol of the first U time slot
  • the starting position of the second time window is the first U time slot after the first time window 1 symbol.
  • the length of each time window in at least one time window is a maximum value satisfying at least one of the following conditions:
  • the length corresponding to the continuous uplink time slots or uplink symbols starting at the starting position of each time window in at least one time window for example, as shown in (a) in Figure 6, for the first type of repeated transmission, if The starting position of each time window is the first symbol of the time slot where the actual transmission of the first repetition is located, and the starting position of the first time window is the first of the first U time slot in the eight repetitions symbol, there are 2 uplink time slots continuous with the first U time slot, then the length of the first time window can be 2 time slots.
  • the starting position of the second time window is the first symbol of the third U time slot in the 8 repetitions, and there are two uplink time slots continuous with the third U time slot, then the second time window
  • the length is 2 slots.
  • the length corresponding to the first continuous time domain resource starting from the starting position of each time window of at least one time window, on the first continuous time domain resource, the time domain interval between the time domain resources occupied by the first signal is less than N time slots or symbols, N is an integer greater than or equal to 1; Exemplarily, for the first type of repeated transmission, assuming that N is 2, when the time domain interval is less than 2 time slots, the first continuous time domain can be A resource acts as a time window.
  • the starting position of the second time window is the 4th U slot, and the time domain resources continuous with the 4th U slot are 2 U time slot, the second U time slot among the three U time slots is an invalid time slot, and these three time slots can be used as a time window.
  • the time domain resource of the signal; or there is a time domain resource for sending the second signal on the second continuous time domain resource, and the antenna port for sending the first signal is the same as the antenna port for sending the second signal, or carries the first signal
  • the physical resource block and the physical resource block carrying the second signal are the same, or the transmission power when sending the first signal is the same as the transmission power when sending the second signal; for example, for the first type of repeated transmission, as shown in Figure 7
  • As shown in (b) in the first time window assuming that the first three consecutive U time slots of the first U time slot in the first time window are all time slots for sending PUSCH, then these three consecutive U time slots can form the first U time slot Two consecutive time domain resources, where the second continuous time domain resource is a time window.
  • the length corresponding to the third continuous time domain resource starting from the starting position of each time window of the at least one time window, on the third continuous time domain resource, the physical resource block carrying the first signal remains unchanged.
  • the length of each time window is the number of time units included in the first maximum duration.
  • the method further includes: the terminal device equally divides the first time window , to obtain multiple time windows; or, the terminal device divides the first time window by a dichotomy method to obtain multiple time windows; or, the terminal device receives the first indication information sent by the network device, and the first indication information indicates that each time window
  • the terminal device determines the first time window as multiple time windows according to the first indication information; wherein, the length of each time window in the multiple time windows is less than or equal to the first maximum duration of the terminal device time; the first indication information is a bitmap, and the bitmap includes multiple bit values, and consecutive identical bit values are used to indicate a time window.
  • a method for sending a signal including: a network device determines at least one time window, and when a first time window exists in at least one time window, the network device obtains multiple time windows according to the first time window, wherein, The length of the first time window is greater than the first maximum duration, and the length of each time window in the multiple time windows is less than or equal to the first maximum duration of the terminal device; the first maximum duration is the phase continuity supported by the terminal device The longest time consistent with the transmit power; the network device receives the first signal sent by the terminal device, and the terminal device is in each time window in multiple time windows and at least one time window except the first time window The transmission power of the first signal sent on the time domain resource of the window is consistent and the phase is continuous; the network device obtains multiple time windows according to the first time window, including: the network device obtains multiple time windows by equally dividing the first time window ; Or, the network device divides the first time window by a dichotomy method to obtain multiple time windows; or, the network device
  • the bitmap includes multiple bit values, and consecutive same bit values are used to indicate a time window.
  • the network device determining at least one time window includes: the network device determining a time domain resource of a second time window, where the start position of the second time window is the time domain position where the start resource of the first signal is located, The end position is the time domain position where the end resource of the first signal is located; the network device determines the second time window as at least one time window.
  • the start position of the second time window is the first symbol of the first repeated transmission opportunity, and the end position of the second time window is the last symbol of the last repeated transmission opportunity; or , the starting position of the second time window is the first symbol of the actual transmission of the first repetition, and the end position of the second time window is the last symbol of the actual transmission of the last repetition; or,
  • the start position of the second time window is the first symbol of the first nominal repetition, and the end position of the second time window is the last symbol of the last nominal repetition; or, the start position of the second time window is the actual the first symbol of the repetition, the second time window ends at the last symbol of the last actual repetition; or,
  • the start position of the second time window is the first symbol of the time-domain resource allocated to the transmission block across the multi-slots, and the end position of the second time window is the last symbol of the time-domain resource allocated to the transmission across the multi-slot transmission block ;
  • the starting position of the second time window is the first symbol of the time domain resource for transmitting the transmission block across multiple slots, and the end position of the second time window is the last symbol of the time domain resource for transmitting the transmission block across multiple slots .
  • the network device determining the second time window as at least one time window includes:
  • the network device When the network device determines that within the time domain resources of the second time window, the time domain interval between discontinuous time domain resources occupied by the first signal is greater than or equal to X time domain units, the network device will start from the start of the second time window
  • the time domain resource of at least one time window is determined from the position starting to the previous symbol of X time domain units, from the first symbol after X time domain units to the end position of the second time window Determined as a time domain resource of another time window in at least one time window, X is an integer greater than or equal to 1;
  • the network device When the network device determines that the Y time domain units starting from the starting position of the second time window are not used to send the first signal, the network device will start from the first symbol after the Y time domain units to the end of the second time window
  • the position is determined as a time window in at least one time window; Y is an integer greater than or equal to 1;
  • the network device When the network device determines that the last Z time domain units of the time domain resources of the first time window are not used to send the first signal, the network device will start from the start position of the second time window to the previous symbol of the Z time domain units Determined as one time window in at least one time window; Z is an integer greater than or equal to 1.
  • the time domain unit is a symbol or a time slot.
  • the network device determining the second time window as at least one time window includes:
  • the network device determines that within the second time window, time domain resources for sending the second signal exist between the time domain resources of the first signal, and the antenna port through which the terminal device sends the first signal is different from the antenna port through which the second signal is sent, or When the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmission power of the terminal device when sending the first signal is different from the transmission power when sending the second signal, the network device will start from the second time window From the start position of the time domain resource occupied by the second signal to the previous symbol of the time domain resource occupied by the second signal is determined as the time domain resource of one of the time windows in at least one time window, and the first symbol after the time domain resource occupied by the second signal The time domain resources determined as one of the at least one time window from the beginning of symbols to the end of the end position of the second time window; or
  • the network device determines that P time domain units starting from the starting position of the second time window are used to send the second signal, and the antenna port used by the terminal device to send the first signal is different from the antenna port used to send the second signal, or carries the first
  • the network device will use the time domain occupied by the second signal From the first symbol after the resource to the end of the second time window is determined as one of at least one time window; P is an integer greater than or equal to 1;
  • the network device determines that the last Q time domain units of the second time window are used to send the second signal, and the antenna port of the terminal device that sends the first signal is different from the antenna port that sends the second signal, or the physical port that carries the first signal
  • the network device will start from the starting position of the second time window to Q
  • the previous symbol of the time-domain unit is determined as one of at least one time window; Q is an integer greater than or equal to 1; wherein, the first signal is different from the second signal, and the time-domain unit is a symbol or a time slot.
  • a method for receiving a signal including: a network device determines the starting position of each time window in at least one time window and the length of each time window, and the length of each time window in the at least one time window Less than or equal to the first maximum duration of the terminal device; the first maximum duration is the longest time supported by the terminal device to maintain phase continuity and consistent transmission power; the network device receives the first signal sent by the terminal device, and the terminal device is at least The transmission power of the first signal sent on the time domain resource of each time window of a time window is consistent and the phase is continuous.
  • the starting position of the first time window of at least one time window is the first time unit of the actual transmission of the first repetition; the next time of the Mth time window of at least one time window The starting position of the window is the first time unit of the first repeated actual transmission after the Mth time window, and M is an integer greater than or equal to 1;
  • the starting position of the first time window of at least one time window is the first symbol of the first actual transmission; the starting position of the next time window of the Mth time window of at least one time window is the Mth time window
  • M is an integer greater than or equal to 1;
  • the starting position of the 1st first time window in at least one time window is the first symbol of the time-domain resource for transmitting the transmission block across the multi-slots; the next The starting position of the time window is after the Mth time window, and the first symbol of the time domain resource spanning the multi-slot transport block is sent, and M is an integer greater than or equal to 1.
  • the length of each time window in at least one time window is a maximum value satisfying at least one of the following conditions:
  • the length corresponding to the first continuous time domain resource starting from the starting position of each time window of at least one time window, on the first continuous time domain resource, the time domain interval between the time domain resources occupied by the first signal is less than N time slots or symbols, N is an integer greater than or equal to 1;
  • the time domain resource of the signal; or there is a time domain resource for receiving the second signal on the second continuous time domain resource, and the antenna port through which the terminal device transmits the first signal is the same as the antenna port through which the second signal is transmitted, or carries the second
  • the physical resource block of the first signal is the same as the physical resource block carrying the second signal, or the transmission power of the terminal device when sending the first signal is the same as the transmission power when sending the second signal;
  • the length corresponding to the third continuous time domain resource starting from the starting position of each time window of the at least one time window, on the third continuous time domain resource, the physical resource block carrying the first signal remains unchanged.
  • the length of each time window is the number of time units included in the first maximum duration.
  • the method further includes: the network device equally divides the first time window , to obtain multiple time windows; or, the network device divides the first time window by a dichotomy method to obtain multiple time windows; or, the network device determines the first time window as multiple time windows according to the bitmap; wherein, the multiple The length of each time window in the time windows is less than or equal to the first maximum duration of the terminal device; the bitmap includes a plurality of bit values, and consecutive same bit values are used to indicate a time window.
  • a communication device in a fifth aspect, includes at least one processor, the at least one processor is connected to a memory and a transceiver, and the at least one processor is used to read and execute a program stored in the memory , so that the communication device executes the method described in any possible design of the first aspect and/or any possible design of the second aspect.
  • a communication device in a sixth aspect, includes at least one processor, the at least one processor is connected to a memory and a transceiver, and the at least one processor is used to read and execute a program stored in the memory , so that the communication device executes the method according to any possible design of the third aspect and/or any possible design of the fourth aspect.
  • a computer-readable storage medium including computer instructions, which, when the computer instructions are run on the electronic device, cause the electronic device to execute any possible design of the above-mentioned first aspect and/or any possible design of the second aspect.
  • One possible design of the described method One possible design of the described method.
  • a computer-readable storage medium including computer instructions, and when the computer instructions are run on the electronic device, the electronic device executes any possible design of the third aspect and/or any possible design of the fourth aspect.
  • the electronic device executes any possible design of the described method.
  • the embodiment of the present application provides a system, and the system may include the terminal device and the network device in any possible implementation manner of any of the above aspects.
  • the terminal device and the network device may execute the method in any one of the foregoing aspects and any possible implementation manner.
  • FIG. 1 is a schematic diagram of time-domain resource allocation for a first type of repeated transmission of PUSCH provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of time domain resources occupied by a second type of repeated transmission of PUSCH provided by an embodiment of the present application;
  • FIG. 3 is a schematic diagram of a time window configuration method provided in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a method for sending a signal provided in an embodiment of the present application
  • FIG. 6 is a schematic diagram of a time window configuration provided in an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a time window configuration provided in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a time window configuration provided in an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a time window configuration provided in an embodiment of the present application.
  • FIG. 10 is a schematic flowchart of a method for sending and receiving signals provided in an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a time window configuration of a repetition type A provided in an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a time window configuration of a repetition type A provided in an embodiment of the present application.
  • FIG. 13 is a schematic diagram of a time window configuration of a repetition type A provided in an embodiment of the present application.
  • FIG. 14 is a schematic diagram of a time window configuration of repetition type A provided by the embodiment of the present application.
  • FIG. 15 is a schematic diagram of a time window configuration of a repetition type A provided by an embodiment of the present application.
  • FIG. 16A is a schematic flow chart of sending and receiving signals provided by an embodiment of the present application.
  • FIG. 16B is a schematic diagram of a time window configuration of repetition type B provided by the embodiment of the present application.
  • FIG. 17 is a schematic diagram of a time window configuration of a repetition type B provided by an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a time window configuration of a repetition type B provided by an embodiment of the present application.
  • FIG. 19 is a schematic diagram of a time window configuration of a repetition type B provided by an embodiment of the present application.
  • FIG. 20 is a schematic diagram of a time window configuration of a repetition type B provided by an embodiment of the present application.
  • FIG. 21 is a schematic diagram of a time window configuration of a repetition type B provided by an embodiment of the present application.
  • FIG. 22 is a schematic flow chart of sending and receiving signals provided by an embodiment of the present application.
  • FIG. 23 is a schematic diagram of a TBoMS time window configuration provided in an embodiment of the present application.
  • FIG. 24 is a schematic diagram of a TBoMS time window configuration provided in an embodiment of the present application.
  • FIG. 25 is a schematic diagram of a TBoMS time window configuration provided by an embodiment of the present application.
  • FIG. 26 is a schematic diagram of a TBoMS time window configuration provided by an embodiment of the present application.
  • FIG. 27 is a schematic diagram of a TBoMS time window configuration provided by an embodiment of the present application.
  • FIG. 28 is a schematic structural diagram of a terminal device provided in an embodiment of the present application.
  • FIG. 29 is a schematic structural diagram of a terminal device provided in an embodiment of the present application.
  • FIG. 30 is a schematic structural diagram of a network device provided in an embodiment of the present application.
  • FIG. 31 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • SR scheduling request
  • Hybrid Automatic Repeat reQuest Hybrid Automatic Repeat reQuest
  • CSI Channel Status Information
  • the first type of repeated transmission (repetition type A)
  • the second type of repeated transmission (repetition type B)):
  • the path loss of wireless signal propagation is relatively serious.
  • a method to enhance coverage performance is to repeatedly send data blocks. For example, the terminal device repeatedly sends the PUSCH, and the network device performs combination detection on the repeatedly sent data blocks. In this manner, channel estimation performance and data demodulation performance can be improved, thereby improving cell coverage.
  • the current NR protocol supports a maximum of 16 repeated transmissions of the PUSCH, and supports a maximum of 8 repeated transmissions of the PUCCH.
  • the current NR protocol supports the repeated transmission of the first type (type A) for PUCCH, and supports the repeated transmission of the first type (type A) and the repeated transmission of the second type (type B) for PUSCH.
  • the first type of repeated transmission refers to: N repetitions need to schedule N consecutive time slots (slots), configure the start position and total length of the time domain symbols that need to be occupied in one slot for one repeated transmission, Among the N slots, a slot whose starting position and total length of the time-domain symbols occupied by one repeated transmission are the same as the configured starting position and total length can be actually used for one repeated transmission.
  • N is an integer greater than or equal to 1.
  • FIG. 1 is a schematic diagram of time-domain resource allocation for the first type of repeated transmission of PUSCH.
  • the terminal device is in a continuous slot (such as the time slot in FIG.
  • the PUSCH is repeatedly transmitted, and each transmission of the PUSCH occupies part of the resources of a slot, but the transmission of a PUSCH is not allowed to cross the slot boundary, and the time domain resources of the repeated transmission of the PUSCH in each slot are the same.
  • the second type of repeated transmission refers to: N repeated transmissions, according to the initial time-domain symbol position S of the first repeated transmission, and according to the number of time-domain symbols L that need to be occupied by each repetition, in multiple consecutive times Repeated transmissions are performed on domain symbols. That is, starting from the Sth time-domain symbol of the first scheduled slot, the subsequent N*L time-domain symbols (may extend to other slots) are used for N repeated transmissions.
  • L is an integer greater than or equal to 1.
  • the Rel-16 protocol stipulates the second type of repeated transmission of PUSCH.
  • the time domain resource allocation (Time Domain Resource Allocation, TDRA) field in DCI) or the TDRA parameter in type1 authorization-free scheduling indicates the first "nominal" repeated resource, and the time domain resources for the remaining nominal repeated transmission are based on the first A PUSCH time domain resource and an uplink/downlink (uplink/downlink, UL/DL) time slot configuration are calculated.
  • TDRA Time Domain Resource Allocation
  • a nominal transmission crosses a slot boundary or a DL/UL switching point, split the nominal transmission into multiple "actual" PUSCH repetitions at the slot boundary or switching point; and, if a nominal transmission includes invalid symbols, then this nominal transmission is split into multiple "actual" PUSCH repetitions at the invalid symbols. Therefore, the actual number of repetitions may be greater than the indicated value of the nominal number of repetitions.
  • JCE Through joint processing of the PUSCH signal in the time domain, the channel estimation performance can be improved and the decoding accuracy can be increased.
  • Transport block over multi-slot Compared with LTE and long term evolution advanced (LTE-A) wireless communication systems, NR wireless communication systems deploy higher frequency bands to obtain Greater communication bandwidth. However, the high frequency band will cause greater path loss and penetration loss, making the coverage performance of NR far inferior to that of LTE and LTE-A.
  • LTE-A long term evolution advanced
  • a multi-slot transmission block technology is proposed, which can aggregate multiple transport blocks (transport blocks, TB) into one large TB. This technology aggregates the small data packets on each time slot into one large data packet, and transmits the aggregated data packets on multiple time slots together, and reduces the cyclic redundancy code (cyclic redundancy) by reducing the number of TB splits. code, CRC) overhead, by increasing the transport block size (transport block size, TBS), thereby increasing the coding gain, and by reducing frequency resources, increasing the power spectral density and improving coverage performance.
  • CRC cyclic redundancy code
  • Transmission Occasion for TBoMS at least one continuous physical time slot for uplink transmission.
  • 5G NR wireless communication systems Compared with Long Term Evolution (LTE) and Long Term Evolution Advanced (LTE-A) wireless communication systems, 5G NR wireless communication systems deploy higher frequency bands to obtain greater communication bandwidth. However, higher frequency bands will lead to greater path loss and penetration loss, making the coverage performance of NR far inferior to that of LTE and LTE-A.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution Advanced
  • DMRS is defined in the NR protocol for network side channel estimation. In order to ensure the uplink transmission capability.
  • 3GPP 3rd Generation Partnership Project
  • 3GPP 3rd Generation Partnership Project
  • the third generation 3rd Generation Partnership Project (3GPP) determined in the NR Release 17 uplink coverage enhancement subject to use DMRS with multiple time units for JCE to enhance the accuracy of channel estimation and improve the demodulation and decoding performance of uplink transmission.
  • TDW time window
  • the configuration of the time window is closely related to the ratio of uplink and downlink frames.
  • the frame ratio of the terminal equipment is "DDDSUDDSUU", where D represents a downlink slot (downlink slot, D time slot), and S represents a special time slot (special slot, S slot), and U represents the uplink slot (uplink slot, U slot).
  • the network device configures a nominal TDW for the terminal device, or the network device specifies a time window length (configured window size) for the terminal device.
  • the terminal device can determine the actual time window (actual time domain window) according to the nominal time window or the specified length of the time window.
  • D time slots and S time slots within the nominal time window or specified time window length are not included in the actual time window, only U time slots or consecutive U time slots will be included in the actual time window Time Window.
  • consecutive U-slots span a specified time window, the consecutive U-slots are divided into two actual time windows.
  • the network device can configure the same nominal time window length or specified time window length for multiple different terminal devices. However, for different terminal devices, the terminal devices can maintain power consistency and The maximum duration MD of phase continuity is limited. When a network device configures a time window for a terminal device, it does not take into account the MDs of different terminal devices. When the length of the time window configured for a certain terminal device exceeds the MD of the terminal device, the power consistency and phase continuity of the terminal device may not be guaranteed, resulting in degraded JCE performance and degraded uplink coverage performance.
  • the current method of JCE can be applied to the first type of repeated transmission of PUSCH, or PUSCH repetition type A, but for the second type of repeated transmission of PUSCH, or the repetition type B of PUSCH, TBoMS and PUCCH Repetition, because these repeated transmissions are configured differently from the time domain resources occupied by the first type of repeated transmissions of PUSCH, therefore, the current JCE solution for the second type of repeated transmissions of PUSCH, or the repetition type B of PUSCH, TBoMS and PUCCH repetition may not be used.
  • this application proposes a method for sending signals.
  • the terminal device can determine the The starting position and length of the actual time window for sending, configure each time window as a time window less than or equal to the first maximum duration of the terminal device, that is, the actual length of the time window used by the terminal device for uplink transmission will not If the first maximum duration is exceeded, the first maximum duration may be understood as the longest time supported by the terminal device for maintaining phase continuity and consistent transmit power. In this way, the consistency of the transmit power and the continuity of the phase of the terminal equipment can be guaranteed, and the JCE performance can be improved.
  • the method of configuring time windows also takes into account the resources of PUSCH repetition type B, TBoMS and PUCCH repetition.
  • the configuration mode enables the repetition type B of PUSCH, TBoMS and PUCCH repetition to also support JCE to improve uplink coverage performance.
  • the method for configuring a time window provided in the embodiment of the present application may be applied to a downlink scenario of a wireless communication system.
  • the network architecture of the present application may include a network device and at least one terminal device within the coverage of the network device.
  • the network device may send a downlink signal to the terminal device, and the terminal device receives the downlink signal.
  • the terminal device can then send an uplink signal to the network device, and the network device receives the uplink signal.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.
  • the network device in the embodiment of the present application may be used to receive an uplink signal from a terminal device, or send a downlink signal to the terminal device.
  • the network device can be a device with a wireless transceiver function or a chip that can be configured on the device, and can be deployed in a wireless access network to provide wireless communication services for terminal devices.
  • the equipment includes but is not limited to: evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC), Node B (Node B, NB), base station controller (base station controller, BSC) , base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (baseband unit, BBU), wireless fidelity (wireless fidelity, WIFI) system in Access point (access point, AP), wireless relay node, wireless backhaul node, transmission point (transmission and reception point, TRP or transmission point, TP), etc., can also be 5G, such as NR, gNB in the system , or, a transmission point (TRP or TP), one or a group (including multiple antenna panels) antenna panels of a base station in a 5G system, or, it can also be a network node that constitutes a gNB or a transmission point, such as a
  • the terminal device in the embodiment of the present application may be used to send an uplink signal to a network device, or receive a downlink signal from a network device.
  • Terminal equipment may also be called user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • the terminal device in the embodiment of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical, wireless terminals in smart grid, transportation safety ( Wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, terminal devices in 5G networks, or public land mobile network (public land mobile network) evolved in the future , terminal equipment in PLMN) and so on.
  • the embodiments of the present application do not limit the application scenarios.
  • the methods and steps implemented by the terminal device in this application may also be implemented by components (such as chips or circuits) that can be used for the terminal device.
  • components such as chips or circuits
  • terminal equipment the aforementioned terminal equipment and components (such as chips or circuits) that can be provided in the aforementioned terminal equipment are collectively referred to as terminal equipment.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this embodiment, unless otherwise specified, “plurality” means two or more.
  • the present application provides a method for sending signals, as shown in Figure 5, the method includes:
  • the terminal device determines the start position of each time window in at least one time window and the length of each time window, and the length of each time window in at least one time window is less than or equal to the first maximum duration of the terminal device;
  • the first maximum duration is the longest time supported by the terminal device for maintaining phase continuity and consistent transmit power.
  • the first maximum duration can be understood as MD.
  • Different terminal devices may have different capability information, and corresponding MDs may also be different.
  • the first MD in step 501 can be understood as the ability of the terminal device to report to the network device; it can also be understood as the first MD indicated by the network device according to the MD reported by the terminal device, similar to the one mentioned below Refer to MD.
  • the starting position of the first time window of the at least one time window is the first time unit of the actual transmission of the first repetition; the Mth of the at least one time window The starting position of the next time window of the time window is the first time unit of the first repeated actual transmission after the Mth time window, where M is an integer greater than or equal to 1.
  • the first time unit may be the first symbol actually transmitted; it may also be the first symbol of the time slot where the actual transmission is located.
  • the first time unit is the first symbol of the time slot actually transmitted
  • the uplink and downlink frame ratio of the terminal device is "DDSUU"
  • M is 1
  • the number of repetitions is 8
  • the first time slot allocated when the number of repetitions is 8 is S time slot
  • the starting position of the first time window of at least one time window is the first time slot in the time domain resources with the number of repetitions of 8
  • the first symbol of the second repeated U slot the next time window of the first time window of at least one time window: the starting position of the second time window is the first repeated time window after the first time window
  • the first symbol of the U slot is the first symbol of the U slot.
  • the uplink and downlink frame ratio of the terminal device is "DDSUU"
  • M is 1
  • the number of repetitions is 8, and the number of repetitions is 8.
  • the first time slot allocated for 8 is the S time slot
  • the starting position of the first time window of at least one time window is in the U time slot of the first repetition in the time domain resource with the number of repetitions being 8
  • the starting position of the second time window is the first symbol actually transmitted in the first repeated U time slot after the first time window.
  • the first symbol actually transmitted is the seventh symbol in the U time slot.
  • the start of the first time window The position is the first symbol of the first U slot in the 8 time slots; the next time window of the first time window: the starting position of the second time window is the first symbol after the first time window The first symbol of U slots.
  • the starting position of the first time window of the at least one time window is the first symbol of the first actual transmission;
  • the Mth time window of the at least one time window The starting position of the next time window of is the first symbol of the first actual transmission after the Mth time window, and M is an integer greater than or equal to 1;
  • the first actual transmission here can be understood as the first actual transmission in the nominal number of repetitions.
  • the uplink and downlink frame ratio of the terminal equipment is "DDSUU”
  • the nominal number of repetitions is 8
  • the nominal repetition length L 12 symbols
  • the starting position of the nominal repetition is the first symbol of the first S slot
  • the first symbol of the first S slot is the first symbol of the first S slot.
  • each S-slot occupies 4 uplink symbols, then the first actual transmission of the 8 nominal repetitions
  • One symbol is the first symbol of the 4 uplink symbols, that is, the starting position of the first time window of at least one time window is the first symbol of the 4 symbols.
  • the starting position of the second time window is the first uplink symbol of the first S slot after the first time window, that is, the first uplink symbol in the second S slot shown in (b) in Figure 6 1 ascending symbol.
  • the starting position of the first time window in at least one time window is the first symbol of the time domain resource for transmitting the transmission block across multiple time slots; the Mth time window in at least one time window The starting position of the next time window of the first time window is after the Mth time window, and the first symbol of the time domain resource spanning the multi-slot transport block is sent, and M is an integer greater than or equal to 1.
  • the transmission block across multiple time slots can be understood as TBoMS.
  • TBoMS occupies 8 time slots
  • S time slot is not used to send TBoMS
  • the starting position of the first time window can be the first symbol of the time slot for sending TBoMS , that is, the first symbol of the first U-slot
  • the starting position of the second time window is the first symbol of the first U-slot after the first time window.
  • the length of each time window in the at least one time window is a maximum value satisfying at least one of the following conditions:
  • the length of the first MD is 2 time slots
  • the length of the first time window and the second time window is 2 time slots; or as shown in Figure 6
  • the lengths of the first time window and the second time window are both less than 2 time slots.
  • the starting position of each time window is the first symbol of the time slot where the actual transmission of the first repetition is located
  • the first The starting position of the time window is the first symbol of the first U time slot in the 8 repetitions, and there are 2 uplink time slots continuous with the first U time slot
  • the length of the first time window can be for 2 time slots.
  • the starting position of the second time window is the first symbol of the third U time slot in the 8 repetitions, and there are two uplink time slots continuous with the third U time slot, then the second time window The length is 2 slots.
  • each time window is the first symbol actually transmitted, as shown in (a)' in Figure 6
  • the 7th symbol of the first U-slot of the 1st time window shown. Assuming that each time slot has 14 symbols, the length of the first time window is 21 symbols. Similarly, the length of the second time window is also 21 symbols.
  • the starting position of the first time window is the first symbol of the first U time slot in the eight time slots, which is the same as the first symbol of the first U time slot in the eight time slots.
  • the length of the first time window is 3 time slots.
  • the starting position of the second time window is the 4th U time slot in the 8 time slots, and there are 2 U time slots consecutive to the 4th U time slot in the 8 time slots, then the second time window The length is 2 slots.
  • the last time window can also exceed the last repetition, or exceed the last nominal repetition or exceed the last time slot of TBoMS , which will be further introduced in the following sections.
  • the second time window can also exceed the end position of 8 time slots, that is, the second time window occupies 3 time slots.
  • the starting position of the first time window is the first actual transmission in the eight nominal repetitions, that is, the first S-slot The length corresponding to the continuous effective symbols starting from the first uplink symbol of . Assuming that there are 4 uplink symbols in the first S slot, each slot is 14 symbols, and the first time window includes 4 symbols of the S slot and 2 U slots, occupying a total of 32 consecutive effective symbols .
  • the length corresponding to the first continuous time domain resource starting from the starting position of each time window of at least one time window, on the first continuous time domain resource, the time domain between the time domain resources occupied by the first signal The interval is less than N slots or symbols, and N is an integer greater than or equal to 1.
  • the first continuous time domain resource may be used as a time window.
  • the starting position of the second time window is the 4th U slot
  • the time domain resources continuous with the 4th U slot are 2 U time slot
  • the second U time slot among the three U time slots is an invalid time slot, and these three time slots can be used as a time window.
  • the time domain interval needs to be less than 1 time slot, and each time slot is 14 symbols, starting from the fourth U time slot in all U time slots Starting from the first symbol of , the time-domain resource continuous with the fourth U-slot is 3 U-slots, and the time-domain interval in these 3 U-slots is 21 symbols, then although these 3 U-slots It is a continuous time domain resource, but cannot be used as a time window.
  • the three U time slots may be divided into two time windows, such as the second time window and the third time window shown in (a)' in FIG. 7 .
  • condition 3 is also applicable.
  • the first continuous time domain resource in which the first uplink symbol is continuous is a time domain interval of 4 symbols, then the length corresponding to the first continuous time domain resource may be used as the length of the time domain resource of the first time window.
  • a time domain resource for the second signal; or there is a time domain resource for sending the second signal on the second continuous time domain resource, and the antenna port for sending the first signal is the same as the antenna port for sending the second signal, or carries the second signal
  • the physical resource block of a signal is the same as the physical resource block carrying the second signal, or the transmission power when sending the first signal is the same as the transmission power when sending the second signal;
  • these three consecutive U time slots may constitute a second continuous time domain resource, and the second continuous time domain resource is a time window.
  • both the first U slot and the third U slot are used to send PUSCH, and the second U slot
  • the slot is used to send PUCCH, and the antenna port for sending PUSCH is the same as the antenna port for sending PUCCH, or the physical resource block (Physical Resource Block, PRB) carrying PUSCH is the same as the PRB carrying PUCCH, or the transmission power of sending PUSCH is the same as that of sending PUCCH
  • the transmit power of the three time slots can also be used as the second continuous time domain resources, that is, as a time window.
  • condition 4 is also applicable, which will be introduced with examples later.
  • the The frequency domain resource is the same, but different from the frequency resource of the third U time slot, then only the first U time slot and the second U time slot can be used as the third continuous time domain resource, that is, the first U time slot and the second U time slot
  • the second U time slot is used as the first time window.
  • the third time slot in the eight repetitions that is, the third U time slot can be used as the second time window.
  • the 6th to 8th consecutive U time slots may be used as the third continuous time domain resource for the third time window.
  • condition 5 is also applicable, which will be introduced with examples later.
  • the length of one time window in at least one time window satisfies a condition, it can be understood as the maximum value of the length determined by satisfying this condition;
  • one time window in at least one time window satisfies multiple conditions, it can be understood as satisfying the maximum value among the maximum lengths determined by each condition in the multiple conditions.
  • conditions for determining the length of each time window are not limited to the above five conditions, and may also include other conditions.
  • the length of the first time window determined by at least one of the above conditions is greater than or equal to the first maximum duration:
  • the terminal device may obtain multiple time windows by equally dividing the first time window.
  • the first maximum duration is 2 time slots
  • the first time window determined according to at least one of the above conditions is the first time window or the second time window as shown in (a) in Figure 8 time window
  • the length of the first time window and the second time window are 3 time slots
  • the first time window shown in (a) in Figure 8 can be divided into as shown in Figure 8 by the equal division method (b) shows the first time window occupying 2 time slots and the second time window occupying 1 time slot
  • the second time window shown in (a) in Figure 8 is divided It is the third time window occupying 2 time slots and the fourth time window occupying 1 time slot as shown in (a) in FIG. 8 .
  • the first time window may be equally divided to obtain two time windows respectively occupying 2 consecutive U time slots.
  • the length of the last time window can be obtained by the following formulas (a) and (b).
  • WS represents the length of the first time window
  • MD represents the length of the first maximum duration
  • WS last represents the length of the last time window.
  • WS has 7 time slots
  • MD has 2 time slots
  • the terminal device may divide the first time window by using a dichotomy method to obtain multiple time windows.
  • the first time window determined according to at least one of the above conditions is the first time window as shown in (a) in Figure 9, and the first time window occupies 6 consecutive U-slots, then the five consecutive U-slots can be divided into the first 3 consecutive U-slots and the last 3 consecutive U-slots through the dichotomy method, and then the first 3 consecutive U-slots
  • the U time slot is divided into 2 consecutive U time slots (1st time window) and 1 U time slot (2nd time window), and the last 3 consecutive U time slots are divided into 2 consecutive U time slot (the third time window) and one U time slot (the fourth time window), as shown in (b) in Figure 9.
  • this segmentation method is only used as an example and is not limited thereto.
  • the terminal device receives first indication information sent by the network device, where the first indication information indicates the start position and length of each time window, and the terminal device determines the first time window as multiple time windows according to the first indication information. Wherein, the length of each time window in the multiple time windows is less than or equal to the first maximum duration of the terminal device.
  • the first indication information is a bitmap, and the bitmap includes multiple bit values, and consecutive same bit values are used to indicate a time window.
  • the bitmap here may include multiple bitmaps, and each bitmap may be understood as a time window pattern.
  • a bitmap is "001100", assuming that the first maximum duration is 2 time slots, the bitmap It can be used to divide a first time window with a length of 8 time slots or repetition into three multiple time windows with a length of 2 time slots or repetition: "00", "11" and "00".
  • the first time window in (a) as shown in Figure 9 can be divided into the first time window, the second time window and the third time window as shown in (c) in Figure 9 .
  • the segmentation of the first time window is also applicable, which will be introduced with examples later.
  • the terminal device sends a first signal to the network device, and the terminal device sends the first signal on the time domain resource of each time window of at least one time window, with consistent transmit power and continuous phase.
  • the terminal device transmits a signal within the first maximum duration with consistent transmit power and continuous phase
  • the terminal device determines multiple time windows for sending the first signal, by determining each time The starting position and length of the window, so that when the length of each time window is less than or equal to the first maximum duration of the terminal device, it can be ensured that the terminal device transmits the first signal in multiple time windows with the same transmission power, and Phase continuity, that is, this application considers the impact of the first maximum duration of the terminal device itself on the time window configuration, avoiding the power consistency and phase continuity caused by the length of the time window of the terminal device exceeding the first maximum duration The performance cannot be guaranteed, which leads to the problem of JCE performance degradation.
  • the present application may determine at least one time window, and when the first time window exists in at least one time window, the terminal device Obtaining multiple time windows according to the first time window, where the length of the first time window is greater than the first maximum duration, and the length of each time window in the multiple time windows is less than or equal to the first maximum duration of the terminal device;
  • the first maximum duration is the longest time supported by the terminal device for maintaining phase continuity and consistent transmit power.
  • the manner of obtaining multiple time windows according to the first time window may be realized by means of the above-mentioned equal division, dichotomy and bitmap.
  • the terminal device sends the first signal to the network device, and the terminal device sends the first signal on the time domain resource of each time window in the multiple time windows and at least one time window except the first time window.
  • the transmit power of a signal is consistent and the phase is continuous.
  • the terminal device may first determine the time domain resource of the second time window, the start position of the second time window is the time domain position where the start resource of the first signal is located, and the end position is The time domain position where the end resource of the first signal is located. The terminal device then determines the second time window as at least one time window.
  • the terminal device may also be multiple ways for the terminal device to determine the second time window as at least one time window, which will be introduced below for the first type of repeated transmission, the second type of repeated transmission, and the repeated transmission of TBoMS.
  • the signal sending method of the present application will be introduced for the case where the first signal is repeated sending of the first type, that is, the first signal repeating type A.
  • the method includes:
  • the terminal device sends a first MD to the network device.
  • the first MD is a kind of capability information of the terminal device, that is, the maximum duration for which the terminal device can maintain consistent transmission power and continuous phase.
  • the terminal device may send the first signaling to the network device, where the first signaling includes the first MD.
  • the value of the first MD may be an integer, and the unit is a symbol or a time slot.
  • a possible first signaling design can be shown in Table 2, that is, the terminal device can use 1-3 bits to represent the first MD, for example, 000 means that the value of the first MD is 1 time slot or 14 symbols.
  • a possible first signaling design may use 5 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 31 time slots.
  • a possible first signaling design may use 9 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 511 symbols.
  • the network device receives the first signaling.
  • the network device determines a reference MD according to the first MD indicated by the first signaling.
  • determining the reference MD according to the first MD may be understood as determining an integer number of time slots or an integer number of repetitions corresponding to the first MD.
  • the unit of the first MD may be symbols, therefore, when dividing the time window, if the division of time slots is involved, it is more convenient to convert symbols into time slots. For convenience, therefore, the first MD may be converted into an integer number of time slots.
  • the reference MD is an integer, and the unit is a time slot. In this case, if the unit of the first MD is a time slot, it can be determined that the reference MD is equal to the first MD; if the unit of the first MD is a symbol, the network device can convert the first MD into a reference MD according to formula (1).
  • MD indicates the number of symbols of the first MD
  • Reference MD indicates the number of slots of the reference MD. Rounding up is used here to consider that the number of time slots converted from the number of symbols of the first MD may not be an integer number of time slots, and the terminal equipment cannot understand it. Therefore, the number of integer number of time slots is obtained according to formula (1) , that is, refer to the MD, which can be easily understood by the terminal device.
  • the reference MD is an integer, and the unit is the number of repetitions. In this case, if the unit of the first MD is a slot, the value of the reference MD may be equal to the value of the first MD. If the unit of the first MD is a symbol, the network device may convert the first MD into a reference MD according to formula (2).
  • Reference MD indicates the number of repetitions.
  • part of the time domain resources of one time slot can be used for one repeated transmission. That is, the number of repetitions is equivalent to the number of time slots.
  • the network device can be based on the formula (2 ) converts the first MD in units of symbols into an integer number of repetitions in units of repetitions, that is, referring to MD, which is convenient for the terminal device to understand.
  • the network device determines the length of the reference time window according to the first MD or the reference MD.
  • the length of the reference time window is an integer, and the unit may be time slot or repetition times.
  • the network device may directly determine the length of the reference time window according to the first MD, and the length of the reference time window is less than or equal to the first MD;
  • the network device determines the length of the reference time window according to the reference MD, and the length of the reference time window is less than or equal to the reference MD.
  • the network device sends second signaling to the terminal device, where the second signaling includes the reference MD.
  • the second signaling may be carried by downlink control information (downlink control information, DCI) and/or radio resource control (radio resource control, RRC).
  • DCI downlink control information
  • RRC radio resource control
  • a possible design of the second signaling may also refer to Table 2, for example, indicating the reference MD through 1-3 bits.
  • 5 bits may also be used to indicate the reference MD, and the range of the reference MD is 0 to 31 time slots or repetition times.
  • the terminal device receives the second signaling.
  • the network device sends third signaling to the terminal device, where the third signaling includes the length of the reference time window.
  • the third signaling may be carried by DCI or RRC.
  • a possible signaling design may refer to Table 3, that is, use 1-3 bits to indicate the length of the reference time window.
  • 5 bits may also be used to indicate the length of the reference time window, indicating that the length of the reference time window ranges from 0 to 31 time slots or repetition times.
  • the terminal device receives the third signaling.
  • the network device sends fourth signaling to the terminal device, where the fourth signaling includes first indication information, and the first indication information indicates the starting position and length of each time window.
  • the fourth signaling may be carried by RRC.
  • the first indication information is a bitmap, and the bitmap includes multiple bit values, and consecutive same bit values are used to indicate a time window.
  • the terminal device receives the fourth signaling.
  • the terminal device determines a reference MD according to the first MD or the second signaling.
  • the terminal device when the terminal device determines the reference MD according to the second signaling, it may choose to perform steps 103, 105 and 106.
  • steps 103, 105 and 106 may not be performed.
  • the terminal device can determine that the reference MD is equal to the first MD; if the unit of the first MD is a symbol, the terminal device can use the above formula (1) Convert the first MD to a reference MD.
  • the terminal device can determine that the value of the reference MD is equal to the value of the first MD; if the unit of the first MD is a symbol, the terminal device The first MD can be converted into a reference MD according to formula (2).
  • the terminal device determines time domain resources of at least one second time window according to at least one of the number of repetitions, the first MD, the reference MD, or the reference time window indicated by the network device.
  • the number of at least one second time window may be one, and this second time window consists of repetition times.
  • the start position and length of the second time window determined by the terminal device may be: from the start position of the second time window determined by the terminal device to the end position of the second time window ending with the corresponding time domain resources is the time domain resource of the second time window.
  • the start position of the second time window is the first symbol of the first repeated transmission opportunity, and the end position of the second time window is the last symbol of the last repeated transmission opportunity.
  • the above-mentioned first signal is PUSCH or PUCCH
  • the second time window consists of all PUSCH repetitions or PUCCH repetitions.
  • the frame ratio of the terminal device is "DDSUU”
  • the number of repetitions is 7
  • the transmission timing of the first repetition is the first S slot
  • the transmission timing of the last repetition is In the third U time slot
  • the starting position of the second time window is the first symbol of the first S time slot
  • the end position of the second time window is the last repetition of the 7 repetitions, that is, the third U The last symbol of the slot.
  • the start position of the second time window is the first symbol of the actual transmission repeated for the first time
  • the end position of the second time window is the last symbol of the actual transmission repeated for the last time
  • the above-mentioned first signal is PUSCH or PUCCH, assuming that the frame ratio of the terminal device is "DDSUU", and the number of repetitions is 7, as shown in (b) in Figure 11, the transmission timing of the first repetition is The first symbol of the first U-slot, the last symbol of the actual transmission of the last repetition is the last symbol of the third U-slot.
  • the number of at least one second time window may be multiple, and the terminal device may determine time domain resources of multiple second time windows according to at least one of the first MD, the reference MD, or the reference time window. In this case, the terminal device may determine the time domain resource of each second time window according to the start position of each second time window in the at least one second time window and the length of each second time window.
  • the terminal device can determine the starting position of each second time window in the following two ways, but not limited to these two ways:
  • the starting position of the first second time window in at least one second time window is the first symbol of the first repeated transmission opportunity; the Mth second time window in at least one second time window The starting position of the next second time window of the window is the first symbol of the first repeated transmission opportunity after the Mth second time window, where M is an integer greater than or equal to 1.
  • the starting position of the first second time window in at least one second time window is the first symbol of the actual transmission of the first repetition; the Mth second time window in at least one second time window The starting position of the next second time window of the window is the first symbol of the actual transmission of the first repetition after the Mth second time window, where M is an integer greater than or equal to 1.
  • the first second time window (second time window 1)
  • the starting position of is the first U time slot
  • the starting position of the second time window 2 is the first repeated actual transmission after the second time window, that is, the first symbol of the third U time slot.
  • the starting position of the second time window 1 is the first U time slot
  • the second time window The starting position is the first symbol of the second U slot.
  • the terminal device may determine the length of each second time window in the following five ways, but is not limited to these five ways.
  • the length of each second time window is indicated by the third signaling.
  • steps 104, 107 and 108 can be selected to be executed.
  • the length of each second time window is equal to the length of the reference time window. That is, the length of each second time window is the same, and is indicated by the network device. For example, if the length of the reference time window is 2 time slots or 2 repetitions, then the length of the second time window may be 2 time slots or 2 repetitions.
  • each second time window is less than or equal to the length corresponding to the maximum number of time slots or the maximum number of repetitions of the first MD.
  • the terminal device may not need to perform the above steps 103, 104, 105, 106, 107, 108 and 111.
  • Each second time window has the same length and is determined by the terminal device. For example, the maximum number of time slots in the first MD is 2, and the length of each second time window may be equal to 2 time slots. Or, for example, the maximum number of repetitions of the first MD is 2, and the length of each second time window may be equal to the length corresponding to 2 repetitions.
  • each second time window is equal to the length of the reference MD.
  • the terminal device does not need to perform steps 104, 107 and 108, but needs to perform step 111.
  • Each second time window has the same length and is determined by the terminal device.
  • the length of the reference MD is 2 time slots or 2 repetitions
  • the length of each second time window may be equal to the corresponding length of 2 time slots or 2 repetitions.
  • the length of each second time window is less than or equal to the length corresponding to the number of continuously available uplink time slots (U time slots) starting from the starting position of each second time window of the first MD.
  • the terminal device does not need to perform steps 103, 104, 105, 106, 107, 108 and 111.
  • the length of each second time window may be different, and is determined by the terminal device. It can be understood that this is because the number of continuously available U time slots starting from different starting positions of the second time windows may be different, therefore, second time windows of different lengths can be obtained.
  • the length of the first MD is 1 time slot
  • the length corresponding to the number of consecutive available U time slots starting from the starting position of the previous second time window is 1 time slot
  • the starting position of the next second time window The length corresponding to the number of consecutive available U time slots at the beginning is 1 time slot.
  • the length of each second time window is less than or equal to the length corresponding to the number of continuously available uplink time slots (U time slots) starting from the starting position of each second time window of the reference MD.
  • the terminal device does not need to perform steps 104, 107 and 108, but needs to perform step 111.
  • the length of each second time window may be different, and is determined by the terminal device. It can be understood that this is because the number of continuously available U time slots starting from different starting positions of the second time windows may be different, therefore, second time windows of different lengths can be obtained.
  • the length of the reference MD is 1 time slot
  • the length corresponding to the number of consecutive available U time slots starting from the starting position of the previous second time window is 1 time slot
  • the starting position of the next second time window starts
  • the length corresponding to the number of continuously available U time slots is 1 time slot.
  • the last second time window needs to be further processed to determine the time domain resource of the last second time window.
  • Case 1 The last second time window does not exceed the last repetition. For example, as shown in (a) and (b) in FIG. 8 . That is, the terminal device determines that according to the method of determining the length of the second time window above, the first a U time slots of the last second time window are within the previous group of repetition times, and the last b U time slots are within the next group of repetition times , then the terminal device may determine that the last symbol of the last time slot of the previous a U time slots is the end position of the last second time window.
  • Case 2 The last second time window can exceed the last repetition, but cannot exceed the length of the second time window determined by mode a to mode e, that is, it can be sent beyond the number of repetitions, and satisfy power consistency and phase continuity. If the power consistency and phase continuity are not satisfied, the length is truncated, and the last second time window after truncating satisfies the power consistency and phase continuity. As shown in (b) and (d) in Figure 12, the second time window 2 exceeds the number of repetitions, but the second time window 2 meets the length of the second time window determined by mode a ⁇ mode e, and the second time window The two U slots of window 2 satisfy power consistency and phase continuity.
  • the terminal device determines the start position and length of each second time window, it can determine the start position and length of each second time window according to the start position and length of each second time window. time domain resources.
  • the terminal device determines the second time window as at least one time window.
  • the terminal device when the terminal device determines that within the time domain resources of the second time window, the time domain interval between the discontinuous time domain resources occupied by the first signal is greater than or equal to X time domain units, the terminal device will start from the The starting position of the two time windows is determined as the time domain resource of one time window in at least one time window starting from the first symbol of X time domain units, from the first symbol after X time domain units to the second
  • the end position of the time window is determined as the time domain resource of another time window in the at least one time window, and X is an integer greater than or equal to 1.
  • the time domain units are symbols or slots.
  • the terminal device determines at least one time from the first symbol of the first U-slot of the second time window 2 to the previous symbol of the second time slot
  • the time domain resources of one time window in the window that is, the second time window 2 shown in (b) in Figure 13; from the first symbol after the 2nd U time slot to the last of the 3rd U time slot Up to one symbol is determined as the time domain resource of another time window in at least one time window, that is, the second time window 3 shown in (b) in FIG. 13 .
  • the X time-domain units in this application may be continuous time-domain intervals as shown in (b) in FIG. 13 , or may be multiple discontinuous time-domain intervals.
  • multiple discontinuous time-domain units for example, as shown in (c) in Figure 13, assuming that in the 3 U-slots in the second time window 2, the penultimate 6th symbol of the first U-slot and There is a time-domain interval between the first symbol of the second U-slot, and there is a time-domain interval between the penultimate symbol of the second U-slot and the first symbol of the third U-slot.
  • the sum of the time domain intervals is greater than X symbols, for example, X is 6, then (b) in Figure 13 can be divided into 3 time windows, as shown in (c) in Figure 13 the second time window 2 , the second time window 3 and the second time window 4 .
  • the starting position of the second time window 2 is from the first symbol of the first U time slot among the three U time slots to the previous symbol of the first time domain interval, and the starting position of the second time window 3
  • the starting position is from the first symbol to the previous symbol of the second time domain interval in the 3 U time slots
  • the starting position of the second time window 4 is from the first symbol to the second time domain interval after the second time domain interval until the last symbol of the third U slot.
  • the terminal device when the terminal device determines that the Y time domain units starting from the starting position of the second time window are not used to send the first signal, the terminal device will start from the first symbol after the Y time domain units to The end position of the second time window is determined as one of the at least one time window; Y is an integer greater than or equal to 1.
  • the time domain units are symbols or slots.
  • the second time window is that the second time window 2 shown in (a) in FIG.
  • the first U slot of time window 2 is not used to send PUSCH, such as sending PUCCH or high-priority PUSCH, then the terminal device can start the first symbol after the first U slot, that is, the second U A time window is determined from the first symbol of the time slot to the last symbol of the third U time slot, such as the second time window 2 shown in (b) in FIG. 14 .
  • the terminal device when the terminal device determines that the last Z time domain units of the time domain resources of the first time window are not used to send the first signal, the terminal device will start from the starting position of the second time window to Z time domains
  • the previous symbol of the unit is determined as one of at least one time window; Z is an integer greater than or equal to 1.
  • the time domain unit is a symbol or a time slot.
  • the second time window is 3 U time slots included in the second time window 2 shown in (a) in FIG. 15
  • Z time domain units are 1 time slot
  • the first signal is PUSCH
  • the third U slot of the second time window 2 is not used to send PUSCH, such as sending PUCCH or high-priority PUSCH
  • the terminal device can start from the first symbol of the first U slot to the third U
  • the previous symbol of the time slot, that is, the last symbol of the second U time slot is determined as a time window, such as the second time window 2 shown in (b) in FIG. 15 .
  • the terminal device determines that within the second time window, there is a time domain resource for sending the second signal between the time domain resources of the first signal, and the antenna port for sending the first signal and the antenna port for sending the second signal If the ports are different, or the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the second
  • the starting position of the time window is determined as the time domain resource of one of the time windows in the at least one time window from the start position of the time domain resource occupied by the second signal to the previous symbol, and the time domain resource after the time domain resource occupied by the second signal is From the beginning of the first symbol to the end of the end position of the second time window is determined as a time domain resource of one time window in the at least one time window.
  • the first signal is different from the second signal
  • the time domain unit is a symbol or a time slot.
  • the terminal device can start from the first symbol of the first U slot to the second
  • the time domain resource of at least one time window is determined up to the symbol before the U time slot, and it will start from the first symbol after the time domain resource occupied by the second U time slot to the third U time
  • the end position of the slot is determined as a time domain resource of one of the at least one time window.
  • the terminal device determines that P time domain units starting from the starting position of the second time window are used to send the second signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, Or when the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the resource block occupied by the second signal
  • the first symbol after the time-domain resource and the end of the second time window are determined as one of at least one time window; P is an integer greater than or equal to 1.
  • the first signal is different from the second signal, and the time domain unit is a symbol or a time slot.
  • the second time window is that the second time window 2 shown in (a) in FIG.
  • the second signal is PUCCH
  • the first U time slot is used to send PUCCH
  • the second U time slot and the third U time slot are used to send PUSCH
  • the antenna port for sending PUSCH is different from the antenna port for sending PUCCH, or bears
  • the terminal device will start from the first symbol after the first U slot occupied by the PUCCH
  • a time window is determined from the beginning to the last symbol of the third U time slot.
  • the terminal device determines that the last Q time domain units of the second time window are used to transmit the second signal, and the antenna port for transmitting the first signal is different from the antenna port for transmitting the second signal, or carries the first signal
  • the terminal device will start from the start position of the second time window to The previous symbol of Q time domain units is determined as one time window in at least one time window; Q is an integer greater than or equal to 1.
  • the first signal is different from the second signal, and the time domain unit is a symbol or a time slot.
  • the second time window is that the second time window 2 shown in (a) in FIG.
  • the second signal is PUCCH
  • the first U time slot and the second U time slot are used to send PUSCH
  • the third U time slot is used to send PUCCH
  • the antenna port for sending PUSCH is different from the antenna port for sending PUCCH, or bears
  • the terminal device can start from the first symbol of the first U slot to the first The last symbol of the 3 U time slots is determined as a time window.
  • the terminal device may start from the first time slot of the first time slot of the second time window.
  • a time window starts from the symbol to the first symbol before the D or S slot; from the first symbol after the D or S slot to before the next D and/or S slot
  • the first symbol of is another time window; and so on, from the first symbol after the last D slot or S slot in the second time window to the end of the second time window is determined as the last time window .
  • the terminal device obtains multiple time windows according to the first time window, where the length of the first time window is greater than the first MD or the reference MD.
  • step 114 reference may be made to the process of obtaining multiple time windows by segmenting the first time window in step 501 above.
  • the terminal device sends the first signal to the network device, and the terminal device sends the first signal on time domain resources of each time window in multiple time windows and at least one time window except the first time window.
  • the transmit power of a signal is consistent and the phase is continuous.
  • the third time window does not need to be divided according to step 614, and the first signal can be directly sent on the third time window .
  • the network device receives the first signal, and performs JCE according to the first signal.
  • the length of each time window can be made not to exceed the first MD or the reference MD, which can contribute to JCE performance and improve uplink coverage .
  • the signal sending method of the present application will be introduced for the case where the first signal is repeated sending of the second type, that is, the first signal repeating type B.
  • the method includes:
  • the terminal device sends the first MD to the network device.
  • the terminal device may send the first signaling to the network device, where the first signaling includes the first MD.
  • the value of the first MD can be an integer, and the unit is symbol or nominal repetition.
  • a possible first signaling design may be as shown in Table 4, that is, the terminal device may use 1-3 bits to represent the first MD, for example, 000 represents that the value of the first MD is 14 symbols.
  • a possible first signaling design may use 5 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 31 nominal repetitions.
  • a possible first signaling design may use 9 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 511 symbols.
  • the network device receives the first signaling.
  • steps 163 to 1611 are all optional steps, and how to perform them will be described in detail below.
  • the network device determines a reference MD according to the first MD indicated by the first signaling.
  • determining the reference MD according to the first MD can be understood as determining an integer number of nominal repetitions corresponding to the first MD.
  • the reference MD is an integer in units of nominal repetitions
  • the reference MD is equal to the first MD
  • the network device converts the first MD into a reference MD according to formula (3), where L represents the number of symbols allocated once, which is represented by the Time Domain Resource Allocation (TDRA) table
  • TDRA Time Domain Resource Allocation
  • SLIV Start and Length Indicator Value
  • SLIV length (length) indication in.
  • Reference MD indicates the number of nominal repetitions
  • MD symbol
  • the first MD is 15 symbols
  • the L is 14
  • the reference MD is 1 nominal repetition.
  • the network device determines the length of the reference time window according to the first MD or the reference MD.
  • the length of the reference time window is an integer, and the unit is a symbol or a nominal number of repetitions
  • the length of the reference time window is less than or equal to the first MD or the reference MD.
  • the network device determines the length of the reference time window according to the reference MD, and the length of the reference time window is less than or equal to the reference MD.
  • the network device sends second signaling to the terminal device, where the second signaling includes the reference MD.
  • the second signaling is carried by DCI or RRC.
  • a possible signaling design is shown in Table 4, using 1-3 bits to indicate the reference MD; another possible signaling design may use 5 bits to indicate the reference MD, ranging from 0 to 31 nominal repetition times .
  • the terminal device receives the second signaling.
  • the network device sends third signaling to the terminal device, where the third signaling includes the length of the reference time window.
  • a possible signaling design may refer to Table 5, that is, use 1-3 bits to indicate the length of the reference time window.
  • 5 bits may also be used to indicate the length of the reference time window, indicating that the length of the reference time window ranges from 0 to 31 nominal repetition times.
  • the terminal device receives the third signaling.
  • the network device sends fourth signaling to the terminal device, where the fourth signaling includes first indication information, and the first indication information indicates the start position and length of each time window.
  • the design of the first indication information may be similar to step 109 .
  • the terminal device receives the fourth signaling.
  • the terminal device determines a reference MD according to the first MD or the second signaling.
  • the reference MD may be understood as an integer number of time slots or an integer number of repetitions corresponding to the first MD.
  • the terminal device when the terminal device determines the reference MD according to the second signaling, it may choose to perform steps 163, 165 and 166.
  • steps 163, 165 and 166 may not be performed.
  • the terminal device can determine that the reference MD is equal to the first MD; if the unit of the first MD is a symbol, the terminal device can be based on The above formula (2) converts the first MD to the reference MD.
  • the terminal device determines time domain resources of at least one second time window according to at least one of the nominal number of repetitions, the first MD, the reference MD, or the reference time window indicated by the network device.
  • the number of at least one second time window may be one, and this second time window consists of a nominal number of repetitions.
  • the starting position and length of the second time window determined by the terminal device may be:
  • the corresponding time domain resource is the time domain resource of the second time window.
  • mode 1 and mode 2 are two examples of implementations, but not limited to these two implementations:
  • Method 1 The starting position of the second time window is the first symbol of the first nominal repetition, and the end position of the second time window is the last symbol of the last nominal repetition.
  • the starting position of the first nominal repetition is S slot
  • the starting position of the second time window is the first symbol of the first S slot in the 8 nominal repetitions
  • the end position is the last nominal repetition last symbol.
  • the start position of the second time window is the first symbol actually repeated, and the end position of the second time window is the last symbol actually repeated last time.
  • the uplink and downlink frame ratio is "DDSUU"
  • the nominal number of repetitions is 8 times
  • the nominal repetition length L 12 symbols
  • there are 4 uplink symbols in the S slot then the start of the second time window
  • the position is the first uplink symbol in the first S-slot
  • the end position of the second time window is the last actual repetition, that is, the last symbol used for the last actual repetition in the third U-slot.
  • the number of at least one second time window may be multiple, and the terminal device may determine time domain resources of multiple second time windows according to at least one of the first MD, the reference MD, or the reference time window. In this case, the terminal device may determine the time domain resource of each second time window according to the start position of each second time window in the at least one second time window and the length of each second time window.
  • the terminal device can determine the starting position of each second time window in the following two ways, but not limited to these two ways:
  • the starting position of the first second time window in at least one second time window is the first symbol of the first nominally repeated transmission opportunity; the Mth first time window in at least one first time window The starting position of the next first time window of the time window is the first symbol of the first nominally repeated transmission opportunity after the Mth first time window, where M is an integer greater than or equal to 1.
  • the transmission timing of the first nominal repetition of the 8 nominal repetitions is the first symbol of the first S slot, that is, the first second time window:
  • the starting position of the second time window 1 is the first symbol of the first S slot, and the second second time window: the starting position of the second time window 2 is the first time after the second time window 1
  • the first symbol of the nominally repeated transmission opportunity that is, the first symbol of the fourth nominally repeated transmission opportunity of the 8 nominally repeated transmissions.
  • the starting position of each second time window shown in (b) and (c) in FIG. 17 is similar to the principle shown in (a) in FIG. 17 .
  • the starting position of the first second time window in the at least one second time window is the first symbol of the first actual transmission; the Mth first time window in the at least one first time window The starting position of the next first time window is the first symbol of the first actual transmission after the Mth first time window, where M is an integer greater than or equal to 1.
  • the first second time window is the second time window 1
  • the second second time window is the second time window 2
  • the starting position of the second time window 1 is the first symbol in the uplink symbols in the S slot
  • the starting position of the second time window 2 is the seventh nominal repeated transmission, that is, the symbol in the second S slot The 1st symbol in the ascending symbol.
  • the starting position of each second time window shown in (e), (f) and (g) in FIG. 17 is similar to the principle shown in (d) in FIG. 17 .
  • the terminal may determine the length of each second time window in the following five ways, but is not limited to these five ways.
  • each second time window is indicated by the third signaling.
  • steps 164, 167 and 168 can be selected to be executed.
  • the length of each second time window is equal to the length of the reference time window. That is, the length of each second time window is the same, and is indicated by the network device. Assuming that the length of the reference time window is 3 nominal repetitions, each second time window, for example, as shown in (a), (b), (c), (d), (e) and (f) in Figure 17
  • the second time window 1 and the second time window 2 will not be introduced here.
  • each second time window is less than or equal to the length corresponding to the maximum nominal number of repetitions of the first MD.
  • the terminal device may not need to perform the above steps 163, 164, 165, 166, 167, 168 and 1611.
  • Each second time window has the same length and is determined by the terminal device. Assuming that the maximum number of nominal repetitions of the first MD is 3, the length of each second time window is equal to 3 nominal repetitions, as shown in (a), (b), (c), (d), (e) in Figure 17 and the second time window 1 and the second time window 2 shown in (f), the last second time window will not be introduced here.
  • each second time window is equal to the length of the reference MD.
  • the terminal device does not need to perform steps 164, 167 and 168, but needs to perform step 1611.
  • Each second time window has the same length and is determined by the terminal device. Assuming that the length of the reference MD is 3 nominal repetitions, the length of each second time window is equal to 3 nominal repetitions, as shown in (a), (b), (c), (d), (e) and (f) The second time window 1 and the second time window 2 shown in (f), the last second time window 3 will not be introduced here.
  • the length of each second time window is less than or equal to the length corresponding to the number of continuous effective symbols starting from the starting position of each second time window of the first MD.
  • the terminal device does not need to perform steps 163 , 164 , 165 , 166 , 167 , 168 and 111 .
  • the length of each second time window may be different, and is determined by the terminal device.
  • the second time The length of window 1 may be less than or equal to the length corresponding to the number of consecutive valid symbols starting from the first uplink symbol of the first S-slot for three nominal repetitions.
  • the length of each second time window is less than or equal to the length corresponding to the number of consecutive effective symbols starting from the starting position of each second time window of the reference MD.
  • the terminal device does not need to perform steps 604, 607 and 608, but needs to perform step 1611.
  • the length of each second time window may be different, and is determined by the terminal device. Assuming that the nominal number of repetitions of the reference MD is 3, for example, refer to the description in method d.
  • the last second time window needs to be further processed to determine the time domain resource of the last second time window.
  • Case 1 The last second time window does not exceed the last nominal repetition.
  • the length of the second time window 3 does not exceed the eighth nominal repetition, that is, the end position of the second time window is the last symbol of the eighth nominal repetition.
  • the end position of the second time window 2 is the last symbol of the eighth nominal repetition.
  • the last second time window may exceed the last actual repetition.
  • the end position of the second time window 3 is the last uplink symbol of the second S time slot.
  • the second time window 2 shown in (e) of FIG. 17 is also similar.
  • the last second time window can exceed the last nominal repetition/last actual repetition, but cannot exceed the length of the second time window determined by mode a ⁇ mode e, that is, it can exceed the nominal repetition/actual repetition transmission, and Satisfy power consistency and phase continuity. If the power consistency and phase continuity are not satisfied, the length is truncated, and the last second time window after truncating satisfies the power consistency and phase continuity.
  • the length of the second time window 3 exceeds the last nominal repetition, but the length of the second time window 3 is less than the length of 3 nominal repetitions, and the excess part satisfies the power consistency and phase continuity, then the length of the second time window 3 exceeds the last nominal repetition.
  • the second time window 2 shown in (f) in FIG. 17 is also similar, and the length of the second time window 2 exceeds the last actual repetition.
  • the terminal device determines the start position and length of each second time window, it can determine the start position and length of each second time window according to the start position and length of each second time window. time domain resources.
  • the terminal device determines the second time window as at least one time window.
  • the terminal device when the terminal device determines that within the time domain resources of the second time window, the time domain interval between the discontinuous time domain resources occupied by the first signal is greater than or equal to X time domain units, the terminal device will start from the The starting position of the two time windows is determined as the time domain resource of one time window in at least one time window starting from the first symbol of X time domain units, from the first symbol after X time domain units to the second
  • the end position of the time window is determined as the time domain resource of another time window in the at least one time window, and X is an integer greater than or equal to 1.
  • the time domain units are symbols.
  • the time domain resource of one time window in at least one time window can be determined from the start position of the second time window 1 to the previous symbol of these 8 symbols, from these 8 symbols
  • the first symbol after the symbol to the end position of the second time window 1 is determined as the time domain data of another time window in at least one time window
  • the second time window 1 in (a) in FIG. 18 is It is divided into the second time window 1 and the second time window 2 shown in (b) of FIG. 18 .
  • the terminal device when the terminal device determines that the Y time domain units starting from the starting position of the second time window are not used to send the first signal, the terminal device will start from the first symbol after the Y time domain units to The end position of the second time window is determined as one of the at least one time window; Y is an integer greater than or equal to 1.
  • the first signal is PUSCH
  • there are 4 uplink symbols in the S slot as shown in (a) in Figure 19, the starting position of the second time window 1, that is, the first S slot
  • the 4 uplink symbols starting from the first uplink symbol are not used to send PUSCH, but are used to send PUCCH, then the time from the first symbol of the first U time slot to the end of the second time window 1 can be determined as a time window, as shown in (b) in Figure 19.
  • the terminal device when the terminal device determines that the last Z time domain units of the time domain resources of the first time window are not used to send the first signal, the terminal device will start from the starting position of the second time window to Z time domains The previous symbol of the unit is determined as one of at least one time window; Z is an integer greater than or equal to 1.
  • the terminal device may start from the starting position of the second time window 1 to these 4 symbols.
  • the first symbol position of symbols is determined as a time window, as shown in (b) in Figure 20.
  • the terminal device determines that within the second time window, there is a time domain resource for sending the second signal between the time domain resources of the first signal, and the antenna port for sending the first signal and the antenna port for sending the second signal If the ports are different, or the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the second
  • the starting position of the time window is determined as the time domain resource of one of the time windows in the at least one time window from the start position of the time domain resource occupied by the second signal to the previous symbol, and the time domain resource after the time domain resource occupied by the second signal is From the beginning of the first symbol to the end of the end position of the second time window is determined as a time domain resource of one time window in the at least one time window.
  • the terminal device will start from the second time window 1 From the start position of PUCCH to the previous symbol of the time domain resource occupied by PUCCH, it is determined as the time domain resource of at least one time window in the time window, and will start from the first symbol after the time domain resource occupied by PUCCH to
  • the end position of the second time window 1 is determined as a time domain resource of one time window in at least one time window, such as the second time window 1 and the second time window 2 shown in (b) of FIG. 21 .
  • the terminal device determines that P time domain units starting from the starting position of the second time window are used to send the second signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, Or when the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the resource block occupied by the second signal
  • the first symbol after the time-domain resource and the end of the second time window are determined as one of at least one time window; P is an integer greater than or equal to 1.
  • the terminal device will The start of a symbol to the end position of the second time window 1 is determined as one of at least one time window, as shown in (b) in FIG. 19 .
  • the terminal device determines that the last Q time domain units of the second time window are used to transmit the second signal, and the antenna port for transmitting the first signal is different from the antenna port for transmitting the second signal, or carries the first signal
  • the terminal device will start from the start position of the second time window to The last symbol of the Q time domain units is determined as one time window in at least one time window; Q is an integer greater than or equal to 1.
  • the terminal device starts the second time window 1 from the starting position A symbol preceding the last 4 symbols is determined as one of at least one time window, as shown in (b) in FIG. 20 .
  • the terminal device may start from the first symbol of the second time window to time D A time window until the first symbol before the S slot or S slot; from the first symbol after the D or S slot to the first symbol before the next D and/or S slot is Another time window; and so on, from the first symbol after the last D time slot or S time slot in the second time window to the end of the second time window is determined as the last time window.
  • D time slot downlink time slot
  • S time slot special time slot
  • the terminal device obtains multiple time windows according to the first time window, where the length of the first time window is greater than the first MD or the reference MD.
  • step 1614 refer to the process of obtaining multiple time windows by dividing the first time window in step 501 above.
  • the terminal device sends the first signal to the network device, and the terminal device sends the first signal on time domain resources of each time window in multiple time windows and at least one time window except the first time window.
  • the transmit power of a signal is consistent and the phase is continuous.
  • the third time window does not need to be divided according to step 1614, and the first signal can be directly sent on the third time window .
  • the network device receives the first signal, and performs JCE according to the first signal.
  • the length of each time window can be made not to exceed the first MD or the reference MD, which can contribute to JCE performance and improve uplink coverage .
  • the method includes:
  • the terminal device sends the first MD to the network device.
  • the terminal device may send the first signaling to the network device, where the first signaling includes the first MD.
  • the value of the first MD may be an integer, and the unit is a symbol or a time slot.
  • a possible first signaling design may be as shown in Table 6, that is, the terminal device may use 1-3 bits to represent the first MD, for example, 000 represents that the value of the first MD is 14 symbols.
  • a possible first signaling design may use 5 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 31 nominal repetitions.
  • a possible first signaling design may use 9 bits to represent the first MD, and the range of the first MD represented by the bit value may be 0 to 511 symbols.
  • the network device receives the first signaling.
  • the network device determines a reference MD according to the first MD indicated by the first signaling.
  • the reference MD is an integer, and the unit is a time slot;
  • the reference MD is equal to the first MD
  • the network device converts the first MD into a reference MD according to formula (1). It should be understood that for TBoMS, if the first MD in the unit of a symbol is not an integer number of time slots, the terminal device cannot It is understood that the first MD in units of symbols needs to be converted into a reference MD in units of time slots according to formula (1), so as to facilitate understanding by terminal equipment.
  • the reference MD is an integer, and the unit is TOT; if the unit of the first MD is a time slot, the network device converts the MD into a reference MD according to formula (5), wherein Indicates the number of time slots included in a TOT; if the unit of the first MD is a symbol, the network device converts the first MD into a reference MD according to formula (6), where Indicates the number of symbols included in a TOT.
  • ReferenceMD(TOT) indicates the number of TOTs of the reference MD
  • MD(symbol) indicates the value of the first MD
  • the unit of the first MD is a symbol
  • MD(slot) indicates the value of the first MD, and the unit is a time slot.
  • the first MD is 15 symbols, is 14 and the reference MD is 1 TOT.
  • the network device determines the length of the reference time window according to the first MD or the reference MD.
  • the length of the reference time window is an integer, and the unit is symbol or TOT; it should be understood that only when the length of each TOT is the same, the length of the reference time window can use the number of TOTs as the unit.
  • the length of the reference time window is less than or equal to the first MD or the reference MD.
  • the network device determines the length of the reference time window according to the reference MD, and the length of the reference time window is less than or equal to the reference MD.
  • the network device sends second signaling to the terminal device, where the second signaling includes the reference MD.
  • the second signaling is carried by DCI or RRC.
  • a possible signaling design is shown in Table 4, using 1-3 bits to indicate the reference MD; another possible signaling design may use 5 bits to indicate the reference MD, ranging from 0 to 31 nominal repetition times .
  • the terminal device receives the second signaling.
  • the network device sends third signaling to the terminal device, where the third signaling includes the length of the reference time window.
  • a possible signaling design may refer to Table 7, that is, use 1-3 bits to indicate the length of the reference time window.
  • 5 bits may also be used to indicate the length of the reference time window, indicating that the length of the reference time window ranges from 0 to 31 nominal repetition times.
  • the terminal device receives the third signaling.
  • the network device sends fourth signaling to the terminal device, where the fourth signaling includes first indication information, and the first indication information indicates the starting position and length of each time window.
  • the design of the first indication information may be similar to step 109 .
  • the terminal device receives the fourth signaling.
  • the terminal device determines a reference MD according to the first MD or the second signaling.
  • the terminal device when the terminal device determines the reference MD according to the second signaling, it may choose to perform steps 223, 225 and 226.
  • steps 223, 225 and 226 may not be performed.
  • the terminal device can determine that the reference MD is equal to the first MD; if the unit of the first MD is a symbol, the terminal device can be based on The above formula (2) converts the first MD to the reference MD.
  • the terminal device determines time domain resources of at least one second time window according to at least one of the number of timeslots, the number of TOTs, the first MD, the reference MD, or the reference time window indicated by the network device.
  • the number of at least one second time window may be one, and this second time window consists of all time slots for TBoMS transmission.
  • the starting position and length of the second time window determined by the terminal device may be:
  • the corresponding time domain resource is the time domain resource of the second time window.
  • mode 1 and mode 2 are two examples of implementations, but not limited to these two implementations:
  • the start position of the second time window is the first symbol of the time domain resource allocated to the TBoMS, and the end position of the second time window is allocated to the last symbol of the time domain resource of the TBoMS.
  • the start position of the second time window is the first symbol of the time domain resource for sending the TBoMS
  • the end position of the second time window is the last symbol of the time domain resource for sending the TBoMS.
  • the number of at least one second time window may be multiple, and the terminal device may determine time domain resources of multiple second time windows according to at least one of the first MD, the reference MD, or the reference time window. In this case, the terminal device may determine the time domain resource of each second time window according to the start position of each second time window in the at least one second time window and the length of each second time window.
  • the terminal device can determine the starting position of each second time window in the following two ways, but not limited to these two ways:
  • the starting position of the first second time window in the at least one second time window is the first symbol of the first TOT (time unit) of the first TBoMS; at least one second time window The starting position of the next second time window of the Mth first time window in is the first symbol of the first TOT after the Mth second time window, and M is an integer greater than or equal to 1.
  • TBoMS occupies 8 time slots, and the first second time window, that is, the starting position of the second time window 1 is the first time slot of the first TOT of TBoMS symbol, that is, the first symbol of the first U time slot, the second time window, that is, the starting position of the second time window 2 is the first symbol of the second TOT, that is, the fourth U time The first symbol of the slot.
  • Mode B The starting position of the first second time window in the at least one second time window is the first symbol of the time domain resources allocated to TBoMS transmission; the Mth in the at least one second time window The starting position of the next second time window of a time window is the first symbol of the time domain resource allocated to TBoMS transmission after the Mth second time window, where M is an integer greater than or equal to 1.
  • the first second time window that is, the starting position of the second time window 1 is the first symbol of the first U slot of the first TOT
  • the second second time window that is, the starting position of the second time window 2 is the first symbol of the third U time slot.
  • the starting position of the first second time window in the at least one second time window is the first symbol of the time domain resource for sending TBoMS; the Mth first time window in the at least one second time window The starting position of the next second time window is after the Mth second time window, and the first symbol of the time domain resource of TBoMS is sent, and M is an integer greater than or equal to 1.
  • the first second time window is the second time window 1
  • the second second time window is the second time window 2.
  • the starting position of the second time window 1 is the first symbol of the first U time slot of the first TOT
  • the starting position of the second time window 2 is the first symbol of the first U time slot of the second TOT 1 symbol.
  • the starting position of each second time window shown in (b), (d), (e), (f) and (g) in Figure 24 is similar to the principle shown in (c) in Figure 24 .
  • the terminal device may determine the length of each second time window in the following seven ways, but is not limited to these seven ways.
  • the length of each second time window is indicated by the third signaling. At this time, steps 224, 227 and 228 can be selected to be executed.
  • the length of each second time window is equal to the length of the reference time window. That is, the length of each second time window is the same, and is indicated by the network device.
  • the length of the reference time window is 2 time slots
  • the lengths of each second time window such as the second time window 1, the second time window 2 and the second time window 3 are There are 2 time slots, and the last second time window 4 will not be introduced here.
  • the length of the reference time window is 3 time slots, as shown in (c) in FIG. 24 , the lengths of the second time window 1 and the second time window 2 are both 3 time slots.
  • the length of the reference time window is 1 TOT, and 1 TOT occupies 2 time slots, as shown in (d) in Figure 24, the lengths of the second time window 1 and the second time window 2 are both 1 TOT.
  • the length of each second time window is less than or equal to the length corresponding to the maximum number of time slots or the maximum number of TOTs of the first MD.
  • the terminal device may not need to perform the above steps 223, 224, 225, 226, 227, 228 and 2211.
  • Each second time window has the same length and is determined by the terminal device.
  • each second time window can be the second time window 1, the second time window as shown in (a) of Figure 24 Two time windows 2 and a second time window 3, or the second time window 1 and the second time window 2 as shown in (d) and (e) in FIG. 24 .
  • the maximum number of time slots in the first MD is 3, and the length of the second time window is 3 time slots.
  • the second time window can be the second time window 1 and the second time window as shown in (c) in FIG. 24 Two time window 2.
  • the length of each second time window is equal to the length of the reference MD.
  • the terminal device does not need to perform steps 224, 227 and 228, but needs to perform step 2211.
  • Each second time window has the same length and is determined by the terminal device. Assuming that the length of the reference MD is 3 time slots, the length of each second time window is equal to 3 time slots, such as the second time window and the second time window shown in (c) and (f) in Figure 24 2.
  • the length of each second time window is less than or equal to the length corresponding to the number of continuously available U time slots starting from the starting position of each second time window of the first MD.
  • the terminal device does not need to perform steps 223, 224, 225, 226, 227, 228 and 2211.
  • the length of each second time window may be different, and is determined by the terminal device.
  • the second Time window 1 occupies 1 time slot.
  • the number of continuously available U time slots starting from the first symbol of the second time window 2 is 1, so the second time window 2 occupies 1 time slot.
  • the number of consecutive available U time slots starting from the first symbol of the second time window 3 is 3, but must not exceed the first MD. Therefore, the second time window 3 occupies 2 time slots.
  • the length of each second time window is less than or equal to the length corresponding to the number of continuously available U time slots starting from the starting position of each second time window of the reference MD.
  • the terminal device does not need to perform steps 224, 227 and 228, but needs to perform step 2211.
  • the length of each second time window may be different, and is determined by the terminal device. Assuming that the length of the reference MD is 2 time slots, for an example, refer to the description in mode e.
  • the length of each second time window is less than or equal to the length of the TOT starting from the starting point of each second time window of the first MD. It should be understood that steps 223, 224, 225, 226, 227, 228 and 2211 do not need to be performed at this time; the length of each second time window may be different and determined by the terminal device.
  • the length of each second time window can be, for example, the second time shown in (e) and (f) in Figure 24 window 1.
  • the length of the first time window is less than or equal to the length of the TOT starting from the starting point of the first time window of the reference MD. It should be understood that the terminal device does not need to perform steps 224, 227, and 228, but needs to perform step 2211; the length of each first time window may be different, and is determined by the terminal device.
  • the length of each second time window can be, for example, the second time window shown in (e) and (f) in Figure 24 1.
  • the last second time window needs to be further processed to determine the time domain resource of the last second time window.
  • the length of the last second time window does not exceed the last time slot of the 8th time slot.
  • Case 2 The last second time window can exceed the last time slot of TBoMS, but cannot exceed the length of the second time window determined by mode a to mode g, and the first signal is sent beyond the time slot, and power consistency is satisfied and phase continuity. If the power consistency and phase continuity are not satisfied, the length is truncated, and the last second time window after truncating satisfies the power consistency and phase continuity.
  • the length of the second time window 2 exceeds the last time slot, but the length of the second time window 3 is less than or equal to that determined by mode a ⁇ mode g Length of the second time window: 3 time slots, all of which are used to send the first signal, such as PUSCH, and the excess part satisfies power consistency and phase continuity.
  • the terminal device determines the start position and length of each second time window, it can determine the start position and length of each second time window according to the start position and length of each second time window. time domain resources.
  • the terminal device determines the second time window as at least one time window.
  • the terminal device when the terminal device determines that within the time domain resources of the second time window, the time domain interval between the discontinuous time domain resources occupied by the first signal is greater than or equal to X time domain units, the terminal device will start from the The starting position of the two time windows is determined as the time domain resource of one time window in at least one time window starting from the first symbol of X time domain units, from the first symbol after X time domain units to the second
  • the end position of the time window is determined as the time domain resource of another time window in the at least one time window, and X is an integer greater than or equal to 1.
  • the time domain unit is a slot or symbol.
  • time-domain units are 1 time slot, as shown in (a) in FIG. timeslot time domain interval, then the time domain resources from the start position of the second time window 1 to the previous symbol of the time domain interval can be determined as one of the at least one time window.
  • the first symbol after the domain interval to the end position of the third time slot is determined as the time domain data of another time window in at least one time window, and the second time window 1 in (a) in FIG. 25 is It is divided into the second time window 1 and the second time window 2 shown in (b) of FIG. 25 .
  • the terminal device when the terminal device determines that the Y time domain units starting from the starting position of the second time window are not used to send the first signal, the terminal device will start from the first symbol after the Y time domain units to The end position of the second time window is determined as one of the at least one time window; Y is an integer greater than or equal to 1.
  • the position from the beginning of the seventh symbol of the first U time slot to the end of the second time window 1 is determined as a time window, as shown in (b) in FIG. 26 .
  • the terminal device when the terminal device determines that the last Z time domain units of the time domain resources of the first time window are not used to send the first signal, the terminal device will start from the starting position of the second time window to Z time domains The previous symbol of the unit is determined as one of at least one time window; Z is an integer greater than or equal to 1.
  • the terminal device may start from the starting position of the second time window 1 to these 6 symbols.
  • the first symbol position of symbols is determined as a time window, as shown in (b) in Figure 27.
  • the terminal device determines that within the second time window, there is a time domain resource for sending the second signal between the time domain resources of the first signal, and the antenna port for sending the first signal and the antenna port for sending the second signal If the ports are different, or the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the second
  • the starting position of the time window is determined as the time domain resource of one of the time windows in the at least one time window from the start position of the time domain resource occupied by the second signal to the previous symbol, and the time domain resource after the time domain resource occupied by the second signal is From the beginning of the first symbol to the end of the end position of the second time window is determined as a time domain resource of one time window in the at least one time window.
  • the terminal device Determine the time domain resource of one time window in at least one time window from the start position of the second time window 1 to the previous symbol of the time domain resource occupied by the PUCCH, and determine the time domain resource from the time domain resource occupied by the PUCCH From the beginning of the first symbol of the second time window 1 to the end of the second time window 1, it is determined as a time domain resource of one time window in at least one time window, such as the second time window 1 and Second time window 2.
  • the terminal device determines that P time domain units starting from the starting position of the second time window are used to send the second signal, and the antenna port for sending the first signal is different from the antenna port for sending the second signal, Or when the physical resource block carrying the first signal is different from the physical resource block carrying the second signal, or the transmit power when sending the first signal is different from the transmit power when sending the second signal, the terminal device will use the resource block occupied by the second signal
  • the first symbol after the time-domain resource and the end of the second time window are determined as one of at least one time window; P is an integer greater than or equal to 1.
  • the terminal device will The start of a symbol to the end position of the second time window 1 is determined as one of at least one time window, as shown in (b) in FIG. 26 .
  • the terminal device determines that the last Q time domain units of the second time window are used to transmit the second signal, and the antenna port for transmitting the first signal is different from the antenna port for transmitting the second signal, or carries the first signal
  • the terminal device will start from the start position of the second time window to The last symbol of the Q time domain units is determined as one time window in at least one time window; Q is an integer greater than or equal to 1.
  • the terminal device starts the second time window 1 from the starting position A symbol preceding the last 6 symbols is determined as one of at least one time window, as shown in (b) in FIG. 26 .
  • the terminal device may start from the first symbol of the second time window to time D A time window until the first symbol before the S slot or S slot; from the first symbol after the D or S slot to the first symbol before the next D and/or S slot is Another time window; and so on, from the first symbol after the last D time slot or S time slot in the second time window to the end of the second time window is determined as the last time window.
  • D time slot downlink time slot
  • S time slot special time slot
  • the terminal device obtains multiple time windows according to the first time window, where the length of the first time window is greater than the first MD or the reference MD.
  • step 2214 refer to the process of obtaining multiple time windows by dividing the first time window in step 501 above.
  • the terminal device sends the first signal to the network device, and the terminal device sends the first signal on time domain resources of each time window in multiple time windows and at least one time window except the first time window.
  • the transmit power of a signal is consistent and the phase is continuous.
  • the third time window does not need to be divided according to step 2214, and the first signal can be directly sent on the third time window .
  • the network device receives the first signal, and performs JCE according to the first signal.
  • the length of each time window can be made not to exceed the first MD or the reference MD, which can contribute to JCE performance and improve uplink coverage.
  • the terminal device includes hardware and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions in combination with the embodiments for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.
  • the functional modules of the electronic device may be divided according to the above method example.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules may be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is schematic, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 28 shows a possible composition diagram of the terminal device 280 involved in the above embodiment.
  • the terminal device 280 may include: a determining unit 2801. A sending unit 2802 and a receiving unit 2803.
  • the determination unit 2801 can be used to support the terminal device 270 to perform the above steps 501, 111, 112, 113, 114, 1611, 1612, 1613, 1614, 2211, 2212, 2213, and 2214, etc., and/or for the other processes of the technology.
  • the sending unit 2802 may be used to support the terminal device 2700 to execute the above steps 502, 101, 115, 161, 1615, 221, and 2215, etc., and/or other processes for the technologies described herein.
  • the receiving unit 2803 may be used to support the terminal device 2700 to execute the above steps 106, 108, 110, 166, 168, 1610, 226, 228, and 2210, etc., and/or other processes for the technologies described herein.
  • the terminal device 280 provided in this embodiment is used to execute the above-mentioned method for sending a signal, so the same effect as that of the above-mentioned implementation method can be achieved.
  • the terminal device 280 may include a processing module, a storage module and a communication module.
  • the processing module may be used to control and manage actions of the terminal device 280, for example, may be used to support the terminal device 280 to perform the steps performed by the determination unit 2801 above.
  • the storage module can be used to support the terminal device 280 to store program codes and data.
  • the communication module may be used to support communication between the terminal device 280 and other devices, such as communication with network devices.
  • the processing module may be a processor or a controller. It can implement or execute the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor can also be a combination of computing functions, such as a combination of one or more microprocessors, a combination of digital signal processing (digital signal processing, DSP) and a microprocessor, and the like.
  • the storage module may be a memory.
  • the communication module may be a device that interacts with other electronic devices, such as a radio frequency circuit, a Bluetooth chip, and a Wi-Fi chip.
  • FIG. 29 is another schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • a terminal device 290 includes a processor 2901 and a transceiver 2902 .
  • the terminal device 290 further includes a memory 2903 .
  • the processor 2901, the transceiver 2902 and the memory 2903 can communicate with each other through an internal connection path, and transmit control and/or data signals. Call and run the computer program to control the transceiver 2902 to send and receive signals.
  • the terminal device 290 may also include an antenna, configured to send the uplink data or uplink control signaling output by the transceiver 2902 through wireless signals.
  • the above-mentioned processor 2901 and memory 2903 may be combined into one processing device, and the processor 2901 is used to execute the program codes stored in the memory 2903 to realize the above-mentioned functions.
  • the memory 2903 may also be integrated in the processor 2901 , or be independent of the processor 2901 .
  • the terminal device 290 may correspond to various embodiments of the method according to the embodiments of the present application. Moreover, each unit in the terminal device 290 and the above-mentioned other operations and/or functions are respectively for implementing corresponding processes in each embodiment of the method.
  • the above-mentioned processor 2901 may be used to execute the actions implemented by the terminal device described in the previous method embodiments, and the transceiver 2902 may be used to perform the actions of sending or receiving by the terminal device described in the previous method embodiments.
  • the transceiver 2902 may be used to perform the actions of sending or receiving by the terminal device described in the previous method embodiments.
  • FIG. 30 shows a possible composition diagram of the terminal device 280 involved in the above embodiment.
  • the network device 300 may include: a determining unit 3001, a sending unit 3002 and a receiving unit 3003.
  • the determining unit 3001 may be used to support the network device 300 to perform the above steps 103, 104, 163, 164, 223, and 224, etc., and/or other processes for the technology described herein.
  • the sending unit 3002 may be used to support the network device 300 to execute the above steps 105, 107, 109, 165, 167, 169, 225, 227, and 229, etc., and/or other processes for the technologies described herein.
  • the receiving unit 3003 may be used to support the network device 300 to execute the above steps 102, 116, 162, 1616, 222, and 2216, etc., and/or other processes for the technologies described herein.
  • the network device 300 provided in this embodiment is used to execute the above-mentioned method for sending a signal, so the same effect as the above-mentioned implementation method can be achieved.
  • the network device 300 may include a processing module, a storage module and a communication module.
  • the processing module may be used to control and manage actions of the network device 300, for example, may be used to support the network device 300 to perform the steps performed by the determination unit 3001 above.
  • the storage module can be used to support the network device 300 to store program codes and data.
  • the communication module may be used to support communication between the network device 300 and other devices, such as communication with terminal devices.
  • the processing module may be a processor or a controller. It can implement or execute the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor can also be a combination of computing functions, for example, a combination of one or more microprocessors, a combination of DSP and a microprocessor, and so on.
  • the storage module may be a memory.
  • the communication module may be a device that interacts with other electronic devices, such as a radio frequency circuit, a Bluetooth chip, and a Wi-Fi chip.
  • FIG. 31 shows a schematic structural diagram of a communication device 310 .
  • the communication device 310 may be used to implement the methods described in the foregoing method embodiments, and reference may be made to descriptions in the foregoing method embodiments.
  • the communication device 310 may be a chip, a network device (such as a base station), or a terminal device.
  • the communication device 310 includes one or more processors 3101 .
  • the processor 3101 may be a general-purpose processor or a special-purpose processor. For example, it may be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control devices (such as base stations, terminals, or chips, etc.), execute software programs, and process data of software programs.
  • the device may include a transceiver unit for inputting (receiving) and outputting (sending) signals.
  • the device may be a chip, and the transceiver unit may be an input and/or output circuit of the chip, or a communication interface.
  • the chip can be used in terminal equipment or network equipment (such as base stations).
  • the device may be a terminal device or a network device (such as a base station), and the transceiving unit may be a transceiver, a radio frequency chip, and the like.
  • the communication device 310 includes one or more processors 3101, and the one or more processors 3101 can implement the methods of the network device or the terminal device in the embodiments shown in FIG. 10 , FIG. 16A , and FIG. 22 .
  • the processor 3101 may also include an instruction 3103, and the instruction may be executed on the processor, so that the communication device 310 executes the method described in the foregoing method embodiments.
  • the communication device 310 may also include a circuit, and the circuit may implement the functions of the network device or the terminal device in the foregoing method embodiments.
  • the communication device 310 may include one or more memories 3102, on which are stored instructions 3104, the instructions can be executed on the processor, so that the communication device 310 executes The method described in the method example above.
  • data may also be stored in the memory.
  • Instructions and/or data may also be stored in the optional processor.
  • the one or more memories 3102 may store the mobile effective area described in the above embodiments, or related parameters or tables involved in the above embodiments.
  • the processor and memory can be set separately or integrated together.
  • the communication device 310 may further include a transceiver 3105 and an antenna 3106, or, include a communication interface.
  • the transceiver 3105 may be called a transceiver, a transceiver circuit, or a transceiver, etc., and is used to realize the transceiver function of the device through the antenna 3106 .
  • the communication interface (not shown in the figure) may be used for communication between core network equipment and network equipment, or between network equipment and network equipment.
  • the communication interface may be an interface for wired communication, such as an interface for optical fiber communication.
  • the processor 3101 may be called a processing unit, and controls a device (such as a terminal or a base station).
  • the embodiment of the present application also provides an electronic device, including one or more processors and one or more memories.
  • the one or more memories are coupled with one or more processors, the one or more memories are used to store computer program codes, the computer program codes include computer instructions, and when the one or more processors execute the computer instructions, the electronic device performs
  • the above related method steps implement the method for sending a signal and/or receiving a signal in the above embodiment.
  • Embodiments of the present application also provide a computer storage medium, in which computer instructions are stored, and when the computer instructions are run on the electronic device, the electronic device executes the above-mentioned relevant method steps to realize the sending signal in the above-mentioned embodiment and/or receive signal methods.
  • the embodiment of the present application also provides a computer program product, when the computer program product is run on the computer, it makes the computer execute the above related steps, so as to realize the signal sending and/or receiving signal performed by the electronic device in the above embodiment method.
  • an embodiment of the present application also provides a device, which may specifically be a chip, a component or a module, and the device may include a connected processor and a memory; wherein the memory is used to store computer-executable instructions, and when the device is running, The processor can execute the computer-executable instructions stored in the memory, so that the chip executes the method for sending a signal and/or receiving a signal executed by the electronic device in the above method embodiments.
  • the electronic device, computer storage medium, computer program product or chip provided in this embodiment is all used to execute the corresponding method provided above, therefore, the beneficial effects it can achieve can refer to the corresponding method provided above The beneficial effects in the method will not be repeated here.
  • Another embodiment of the present application provides a system, which may include the foregoing terminal device and the foregoing network device, and may be used to implement the foregoing method for sending a signal and/or receiving a signal.
  • the disclosed devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be Incorporation or may be integrated into another device, or some features may be omitted, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the unit described as a separate component may or may not be physically separated, and the component displayed as a unit may be one physical unit or multiple physical units, that is, it may be located in one place, or may be distributed to multiple different places . Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the software product is stored in a storage medium Among them, several instructions are included to make a device (which may be a single-chip microcomputer, a chip, etc.) or a processor (processor) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: various media that can store program codes such as U disk, mobile hard disk, read only memory (ROM), random access memory (random access memory, RAM), magnetic disk or optical disk.

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

Abstract

Les modes de réalisation de la présente demande se rapportent au domaine technique des communications. L'invention concerne un procédé et un appareil d'envoi de signal, qui peuvent empêcher la longueur d'une fenêtre temporelle, configurée par un côté réseau pour un dispositif terminal, de dépasser la durée maximale, ce qui permet de garantir la cohérence de la puissance d'émission du dispositif terminal dans une fenêtre temporelle et la continuité d'une phase de signal. La solution spécifique consiste : à déterminer, par un dispositif terminal, des ressources dans le domaine temporel d'une pluralité de fenêtres temporelles, la longueur de chaque fenêtre temporelle de la pluralité de fenêtres temporelles étant inférieure ou égale à une première durée maximale du dispositif terminal, et la puissance d'émission étant cohérente et une phase étant continue lorsque le dispositif terminal envoie un signal pendant la première durée maximale ; et à envoyer, par le dispositif terminal, un premier signal à un dispositif de réseau, la puissance d'émission du dispositif terminal envoyant le premier signal sur la ressource de domaine temporel de chaque fenêtre temporelle de la pluralité de fenêtres temporelles étant constante, et sa phase étant continue. Les modes de réalisation de la présente demande sont utilisés pour configurer une fenêtre temporelle.
PCT/CN2022/110646 2021-08-06 2022-08-05 Procédé et appareil d'envoi de signal WO2023011648A1 (fr)

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Citations (1)

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CN110830183A (zh) * 2018-08-09 2020-02-21 北京三星通信技术研究有限公司 上行传输方法、用户设备、基站和计算机可读介质

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CHINA TELECOM: "Discussion on joint channel estimation for PUSCH", 3GPP DRAFT; R1-2104848, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20210510 - 20210527, 11 May 2021 (2021-05-11), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052006292 *
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