WO2021063241A1 - 数据发送、接收方法、设备及介质 - Google Patents

数据发送、接收方法、设备及介质 Download PDF

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Publication number
WO2021063241A1
WO2021063241A1 PCT/CN2020/117396 CN2020117396W WO2021063241A1 WO 2021063241 A1 WO2021063241 A1 WO 2021063241A1 CN 2020117396 W CN2020117396 W CN 2020117396W WO 2021063241 A1 WO2021063241 A1 WO 2021063241A1
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Prior art keywords
time
data
period
time window
window
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PCT/CN2020/117396
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English (en)
French (fr)
Inventor
倪吉庆
王爱玲
周伟
柴丽
孙军帅
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2021063241A1 publication Critical patent/WO2021063241A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular to a method, device, and medium for sending and receiving data.
  • NTN non-terrestrial network
  • the base station is located on the satellite and the terminal is on the ground. Due to the high height of the satellite, the distance between the base station and the terminal is very long.
  • the LEO (Low Earth Orbit) system can reach 1500 km
  • the MEO (Middle Earth Orbit) system has 10,000 km
  • the GEO (Earth Orbit satellite, Geosynchronous Earth Orbit) system has 35786 km.
  • the RTT (Round Trip Time) in different scenarios has great changes compared to the opposite network.
  • DCI Downlink Control Information
  • the present disclosure provides a data sending and receiving method, device and medium, which are used for data packet retransmission without increasing DCI overhead.
  • Some embodiments of the present disclosure provide a method for sending data, including:
  • the sender sends data in a time window within one cycle
  • the sending end resends the data in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a method for receiving data, including:
  • the receiving end receives data in a time window within one cycle
  • the receiving end re-receives data in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a HARQ process ID determination method, including:
  • the HARQ process ID is determined by a function with the time window index as a parameter.
  • the value of HARQ process ID is determined through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • the time window is configured through high-level signaling.
  • configuring the time window through high-layer signaling includes:
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a method for sending data, including:
  • the sender sends data
  • the sending end resends the data within a preset time period after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the time period and/or the time difference between the preset time period and the failure indication are sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the multiple consecutive uplinks between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slots of the time slot.
  • Some embodiments of the present disclosure provide a method for receiving data, including:
  • the receiving end receives data
  • the receiving end will re-receive the data within a preset time period after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the preset time period and/or the time difference between the preset time period and the failure indication is sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the continuous multiple uplink where the start time slot of the receiving end monitoring window and the time slot where the failure indication is located are located.
  • the time slot difference between the last time slots of the time slot.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the processor is used to read the program in the memory and perform data processing according to the needs of the transceiver;
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the data is retransmitted in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the period parameters include: period duration and/or start value or offset value of the period;
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the first sending module is used to send data in a time window within one cycle
  • the first retransmission module is configured to retransmit data within a time window with the same index in the next cycle if the transmission fails; wherein the cycle includes at least one or more time windows.
  • it further includes:
  • the configuration module is used to configure the period and time window through high-level signaling.
  • the configuration module is further configured to configure the period and time window through high-level signaling, including:
  • the period parameters include: period duration and/or start value or offset value of the period;
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the processor is used to read the program in the memory and perform data processing according to the needs of the transceiver;
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the reception fails, the data is received again in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the network side configures period parameters, and the period parameters include: period duration and/or the start value or offset value of the period;
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the first receiving module is configured to receive data in a time window within one cycle
  • the first re-receiving module is configured to re-receive data in a time window with the same index in the next cycle if the reception fails; wherein the cycle includes at least one or more time windows.
  • it further includes:
  • the receiving configuration module is used to receive the period and time window configuration through high-level signaling.
  • the receiving configuration module is further configured to receive the period and time window configuration through higher layer signaling, including:
  • the period parameter includes: period duration and/or the start value or offset value of the period;
  • time window parameters include: time window length and/or number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the processor is used to read the program in the memory and execute the following process:
  • Transceiver used to receive and send data under the control of the processor.
  • the value of HARQ process ID is determined through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • the time window is configured through high-level signaling.
  • configuring the time window through high-layer signaling includes:
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the determination module is used to determine the HARQ process ID through a function with a time window index as a parameter.
  • the determining module is further used to determine the value of HARQ process ID through a function with a time window index as a parameter, and determine the value of the HARQ process ID through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • it further includes:
  • the configuration module is used to configure the period and time window through high-level signaling.
  • the configuration module is further configured to configure the time window through high-level signaling, including:
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the processor is used to read the program in the memory and perform data processing according to the needs of the transceiver;
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the data is retransmitted within a preset period of time after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the time period and/or the time difference between the preset time period and the failure indication are sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the multiple consecutive uplinks between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slots of the time slot.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the second sending module is used to send data
  • the second retransmission module is configured to retransmit the data within a preset time period after the failure indication if the transmission fails.
  • the second sending module is further configured to send the failure indication by sending a NACK indication on the PUCCH.
  • the second retransmission module is further configured to send the duration of the time period and/or the time difference between the preset time period and the failure indication to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the multiple consecutive uplinks between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slots of the time slot.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the processor is used to read the program in the memory and perform data processing according to the needs of the transceiver;
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the reception fails, the data is received again within a preset period of time after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the preset time period and/or the time difference between the preset time period and the failure indication is sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the continuous multiple uplink where the start time slot of the receiving end monitoring window and the time slot where the failure indication is located are located.
  • the time slot difference between the last time slots of the time slot.
  • Some embodiments of the present disclosure provide a communication device, including:
  • the second receiving module is used to receive data in a time window within one cycle
  • the second re-receiving module is configured to re-receive data within a preset time period after the failure indication if the reception fails.
  • the second receiving module is further configured to send a NACK indication on the PUCCH when sending the failure indication.
  • the second re-receiving module is further configured to send the duration of the preset time period and/or the time difference between the preset time period and the failure indication sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the continuous multiple uplink where the start time slot of the receiving end monitoring window and the time slot where the failure indication is located are located.
  • the time slot difference between the last time slots of the time slot.
  • a communication device including a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the above data when the computer program is executed.
  • a computer-readable storage medium stores one of the method for sending and receiving data, the method for determining HARQ process ID, or other methods for executing the above-mentioned data.
  • the HARQ process number field in the DCI can be not increased.
  • DCI bits it can also indicate retransmission data.
  • the HARQ process ID can be determined by the function of the time window indication as a parameter for the retransmitted data, so the DCI can be added without adding DCI.
  • the DCI bit in the HARQ process number field it can also indicate retransmission data.
  • the receiving end can determine the data reception, so the DCI bit in the HARQ process number field in the DCI can be not increased. In the case of, it can also indicate the retransmission of data.
  • the control information overhead is reduced.
  • FIG. 1 is a schematic diagram of data transmission in an NTN scenario in some embodiments of the present disclosure
  • FIG. 2 is a schematic diagram of an implementation process of a method for sending data at the sender in some embodiments of the present disclosure
  • FIG. 3 is a schematic diagram of an implementation process of a method for receiving data at a receiving end in some embodiments of the present disclosure
  • FIG. 4 is a first schematic diagram of data retransmission in some embodiments of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a first communication device in some embodiments of the present disclosure.
  • Fig. 6 is a schematic structural diagram of a third communication device in some embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of the implementation flow of the HARQ process ID determination method in some embodiments of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a fifth communication device in some embodiments of the present disclosure.
  • FIG. 9 is a schematic diagram of the implementation process of the second method for sending data at the sender in some embodiments of the present disclosure.
  • FIG. 10 is a schematic diagram of the implementation process of the second method for receiving data at the receiving end in some embodiments of the present disclosure.
  • FIG. 11 is a second schematic diagram of data retransmission in some embodiments of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a seventh communication device in some embodiments of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a ninth communication device in some embodiments of the present disclosure.
  • LTE Long Term Evolution
  • NR New Radio
  • HARQ Hybrid Automatic Repeat Request
  • the HARQ entity maintains multiple parallel HARQ processes (HARQ processes). Each HARQ process is associated with a HARQ process ID (HARQ process ID).
  • HARQ process ID HARQ process ID
  • the NDI (New Data Indicator) field in DCI indicates whether the scheduled data packet is a new data packet or a retransmitted data packet; if it is a retransmitted data packet, the HARQ process number field is used for Indicate which HARQ process corresponds to the data packet to be retransmitted; in addition, the RV (Redundancy version, Redundancy version) field is used to coordinately indicate the redundancy version of the retransmitted data.
  • the RV Redundancy version, Redundancy version
  • the maximum number of HARQ processes supported by the user is realized through configuration or preset. Among them, the HARQ process number field occupies 4 bits and can indicate a maximum of 16 HARQ process corresponding data packets.
  • the receiving end determines the corresponding HARQ process and determines whether the data packet is retransmitted based on the DCI information.
  • the receiving end will monitor the retransmitted data, and merge the soft information of the previous retransmitted data one or more times in the same HARQ process, thereby improving the reliability of data transmission.
  • the HARQ process number refers to the number of parallel HARQ processes that can be supported; the HARQ process number refers to the HARQ process number field in the DCI; the HARQ process ID represents the HARQ process identifier, that is, the HARQ process Logo/instruction/index etc.
  • the base station In NTN, the base station is located on the satellite and the terminal is on the ground. Due to the high altitude of the satellite, the distance between the base station and the terminal is very long. Specifically, LEO can reach 1500km, MEO has 10000km, and GEO has 35786km. This makes the RTT under different scenarios have great changes compared to the opposite network.
  • the RTT is shown in Table 1 (taking into account the relay and forwarding scenario).
  • HEO refers to Highly Elliptical Orbit (Highly Elliptical Orbit).
  • Figure 1 is a schematic diagram of data transmission in the NTN scenario. As shown in the figure, in the NTN scenario, due to the long RTT time, the number of data packets carried in a cycle will increase a lot, that is, the number of HARQ processes that can be carried will change Increase accordingly.
  • the maximum number of HARQ processes is 600; when the uplink and downlink time slot ratio is 3 : At 2 hours (DL (downlink): 3, UL (uplink): 2), the number of downlink HARQ processes reaches 360.
  • the system needs to support more HARQ processes to ensure that each data packet can be retransmitted.
  • One solution to increase the number of HARQ processes supported is to directly increase the number of HARQ process number field bits.
  • the number of bits in the HARQ process number field is expanded from 4 bits to 9 bits, so that after the expansion, the number of HARQ processes can be expanded from 16 to 512, which can support the uplink and downlink timeslot configuration of the GEO scenario as 3: 2 (DL: 3, UL: 2) configuration.
  • DCI format DCI format
  • DCI format 1-0/1-1 and DCI format 0-0/0-1 in the NR system has a fixed number of bits, if the number of bits in the HARQ process number field changes, It will affect the determination of the DCI size.
  • some embodiments of the present disclosure will solve how to effectively implement data packet retransmission without increasing the number of bits in the HARQ process number field in DCI under NTN or other scenarios where the propagation delay is very long. .
  • the base station will be used as the transmitting end and the UE as the receiving end.
  • This solution is suitable for data retransmission in the NTN scenario, so here we mainly use the base station in the NTN scenario.
  • the technical solutions provided by some of the disclosed embodiments can achieve better results. Therefore, the data retransmission between the base station and the UE is only used to teach those skilled in the art how to implement the present disclosure, but it does not mean that it can only be applied to this disclosure. Occasionally, the corresponding application environment can be determined in combination with practical needs during the implementation process.
  • Figure 2 is a schematic diagram of an implementation process of a method for sending data at the sending end, as shown in the figure, which may include:
  • Step 201 The sending end sends data in a time window within one cycle
  • Step 202 If the sending fails, the sending end resends the data in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • Figure 3 is a schematic diagram of an implementation process of a method for receiving data at the receiving end, as shown in the figure, which may include:
  • Step 301 The receiving end receives data in a time window within one cycle
  • Step 302 If the reception fails, the receiving end re-receives data in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window may be configured through high-level signaling.
  • configuring the period and time window through high-layer signaling may include:
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • the sending end determines the data to be sent in each time window in the sending period, where each sending period contains at least one or more time windows;
  • the sender When sending data to be retransmitted, the sender sends the data to be retransmitted according to the time window index, and indicates the data to be retransmitted according to the time window index.
  • Send the data to be retransmitted according to the index of the time window including:
  • the data to be retransmitted is indicated, including:
  • the sending end and the receiving end pre-arranged and/or the sending end instructs the receiving end that the data to be retransmitted will be sent within the time window of the same index in the next sending cycle.
  • the receiving end determines the data received in each time window during the sending period, where each sending period includes at least one or more time windows;
  • the receiving end When receiving the data to be retransmitted, the receiving end receives the data to be retransmitted according to the index of the time window, and determines the data to be retransmitted according to the instruction, where the instruction is based on the index of the time window.
  • Receive the data to be retransmitted according to the index of the time window including:
  • the sending end and the receiving end pre-arranged and/or the sending end instructs the receiving end that the data to be retransmitted will be sent within the time window of the same index in the next sending cycle.
  • the network is configured with a period (period) and time starting value (offset), so that a period of time can be determined.
  • Figure 4 is a schematic diagram of data retransmission. As shown in the figure, the network configures multiple time windows (window/duration) within the period of time, the start time point of the first time window and the time start point of the period Same; the period duration is an integer multiple of the time window duration.
  • a data packet is sent within a time window within a period of time; if the transmission is not successful, the retransmission is limited to a time window with the same index number in the next period of time.
  • the period length is 160 time slots
  • the window duration is 16 time slots
  • the period includes 10 time windows. If the data packet sent in window 0 in the cycle is transmitted incorrectly, it will be sent in time window 0 in the next cycle. In this way, even if the HARQ process ID is the same in different windows, it will not cause confusion due to retransmission in different time windows.
  • the HARQ process ID is determined through the HARQ process number field, so as to determine the previously buffered data packet information and perform soft merge with the received information this time.
  • some embodiments of the present disclosure also provide communication devices.
  • the principles of these devices to solve the problem are similar to the data sending method and the data receiving method. Therefore, the implementation of these devices can refer to the implementation of the method, and repeat it. I won't repeat it here.
  • Fig. 5 is a schematic diagram of the structure of the first communication device, as shown in the figure, including:
  • the processor 500 is configured to read programs in the memory 520, and perform data processing according to the needs of the transceiver;
  • the transceiver 510 is configured to receive and send data under the control of the processor 500, and execute the following process:
  • the data is retransmitted in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the period parameters include: period duration and/or start value or offset value of the period;
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the one period includes a positive integer number of time windows.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 500 and various circuits of the memory represented by the memory 520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 510 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
  • Some embodiments of the present disclosure provide a second communication device, including:
  • the first sending module is used to send data in a time window within one cycle
  • the first retransmission module is configured to retransmit data within a time window with the same index in the next cycle if the transmission fails; wherein the cycle includes at least one or more time windows.
  • it further includes:
  • the configuration module is used to configure the period and time window through high-level signaling.
  • the configuration module is further configured to configure the period and time window through high-level signaling, including:
  • the period parameters include: period duration and/or start value or offset value of the period;
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the one period includes a positive integer number of time windows.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • Figure 6 is a schematic diagram of the structure of the third communication device, as shown in the figure, including:
  • the processor 600 is configured to read programs in the memory 620, and perform data processing according to the needs of the transceiver;
  • the transceiver 610 is used to receive and send data under the control of the processor 600, and execute the following process:
  • the reception fails, the data is received again in a time window with the same index in the next cycle; wherein the cycle includes at least one or more time windows.
  • the period and time window are configured through high-level signaling.
  • configuring the period and time window through high-level signaling includes:
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 600 and various circuits of the memory represented by the memory 620 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 610 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 630 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 600 when performing operations.
  • Some embodiments of the present disclosure provide a fourth communication device, including:
  • the first receiving module is configured to receive data in a time window within one cycle
  • the first re-receiving module is configured to re-receive data in a time window with the same index in the next cycle if the reception fails; wherein the cycle includes at least one or more time windows.
  • it further includes:
  • the receiving configuration module is used to receive the period and time window configuration through high-level signaling.
  • the receiving configuration module is further configured to receive the period and time window configuration through higher layer signaling, including:
  • the period parameter includes: period duration and/or the start value or offset value of the period;
  • time window parameters include: time window length and/or number of time windows in a cycle;
  • the one period includes a positive integer number of time windows.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • Some embodiments of the present disclosure also provide a method for determining the HARQ process ID, which will be described below.
  • Figure 7 is a schematic diagram of the implementation process of the HARQ process ID determination method. As shown in the figure, it may include:
  • Step 701 Determine the HARQ process ID through a function with a time window indication as a parameter.
  • the value of HARQ process ID when the value of HARQ process ID is determined through a function with a time window indication as a parameter, the value of HARQ process ID can be determined through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • the time window is configured through high-level signaling.
  • configuring the time window through high-layer signaling includes:
  • the time window parameters include: the length of the time window and/or the number of time windows in a cycle;
  • the network side configures period parameters, and the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • the sending end determines the data to be sent in each time window in the sending period, where each sending period contains at least one or more time windows;
  • the sender When sending data to be retransmitted, the sender sends the data to be retransmitted according to the time window index and the process number of the retransmitted data, and indicates the data to be retransmitted according to the time window index and the process number of the retransmitted data .
  • Send the data to be retransmitted according to the index of the time window and the process number of the retransmitted data including:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index representing the position of the time window for sending the data to be retransmitted
  • C is a positive integer constant or a configured parameter, which represents the maximum number of HARQ processes supported in a time window;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI of the data to be retransmitted.
  • the receiving end When receiving the data to be retransmitted, the receiving end receives the data to be retransmitted according to the index of the time window and the process number of the retransmitted data.
  • Receive the data to be retransmitted according to the index of the time window and the process number of the retransmitted data including:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index representing the position of the time window for sending the data to be retransmitted
  • C is a positive integer constant or a configured parameter, which represents the maximum number of HARQ processes supported in a time window;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI of the data to be retransmitted.
  • the network is configured with a period (period) and time starting value (offset), so that a period of time can be determined.
  • Figure 4 is a schematic diagram of data retransmission. As shown in the figure, the network configures multiple time windows (window/duration) within the period of time, the start time point of the first time window and the time start point of the period Same; the period duration is an integer multiple of the time window duration.
  • HARQ process ID is a function of window index, which can be determined by the following formula:
  • HARQ process ID window index*C+HARQ process number
  • window index represents the time window index
  • C is a positive integer constant or a configured parameter, which represents the maximum number of HARQ processes supported in a time window
  • HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • some embodiments of the present disclosure also provide communication devices. Since the principles of these devices to solve the problem are similar to the HARQ process ID determination method, the implementation of these devices can refer to the implementation of the method, and the repetition will not be omitted. Go into details.
  • Fig. 8 is a schematic diagram of the structure of the fifth communication device, as shown in the figure, including:
  • the processor 800 is configured to read a program in the memory 820 and execute the following process:
  • the transceiver 810 is configured to receive and send data under the control of the processor 800.
  • the value of HARQ process ID is determined through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • the time window is configured through high-level signaling.
  • configuring the time window through high-layer signaling includes:
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 800 and various circuits of the memory represented by the memory 820 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 810 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 800 when performing operations.
  • Some embodiments of the present disclosure provide a sixth communication device, including:
  • the determination module is used to determine the HARQ process ID through a function with a time window index as a parameter.
  • the determining module is further used to determine the value of HARQ process ID through a function with a time window index as a parameter, and determine the value of the HARQ process ID through the following function:
  • HARQ process ID window index*C+HARQ process number
  • window index is the time window index that characterizes the time window where the data is sent
  • C is a positive integer constant or a configured parameter, which represents the number of HARQ processes supported in a time window or the maximum number of HARQ processes;
  • the HARQ process number is the value indicated by the HARQ process number field in the DCI.
  • it further includes:
  • the configuration module is used to configure the period and time window through high-level signaling.
  • the configuration module is further configured to configure the time window through high-level signaling, including:
  • Time window parameters include: time window length and/or number of time windows in a period;
  • the period parameters include: period duration and/or start value or offset value of the period;
  • the one period includes a positive integer number of time windows.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • Some embodiments of the present disclosure also provide data sending and receiving solutions, which will be described below.
  • FIG. 9 is a schematic diagram of the implementation process of the second method for sending data at the sending end. As shown in the figure, it may include:
  • Step 901 The sending end sends data
  • Step 902 If the sending fails, the sending end resends the data within a preset time period after the failure indication.
  • FIG. 10 is a schematic diagram of the implementation process of the second method for receiving data at the receiving end. As shown in the figure, it may include:
  • Step 1001 The receiving end receives data
  • Step 1002 if the reception fails, the receiving end receives the data again within a preset time period after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the preset time period and/or the time difference between the preset time period and the failure indication is sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the time slot between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slot of the uplink time slot.
  • retransmission data when sending retransmission data, it may include:
  • the sending end receives an indication that the data sent by the receiving end has failed to receive
  • the sending end determines the indicated sending time slot
  • the sender sends the data that needs to be retransmitted within a preset time period, and indicates that the data that needs to be retransmitted is sent.
  • the receiving end After the receiving end fails to receive the data, it sends a failure indication to the sending end;
  • the receiving end determines the transmission time slot of the failure indication
  • the receiving end receives the data that needs to be retransmitted within a preset time period, and determines whether the received data is the data that needs to be retransmitted according to the instructions.
  • the failure indication is the NACK sent by the receiving end on the PUCCH.
  • the failure indication is through the HARQ process identifier, and the NDI indicates retransmission data to indicate that the data that needs to be retransmitted is sent.
  • the HARQ process identifier is indicated by the HARQ process number.
  • the preset time period is sent by the sending end to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slot of the uplink time slot.
  • Figure 11 is the second diagram of data retransmission.
  • the retransmission time slot is related to PUCCH (Physical Uplink Control Channel).
  • the upper part is TDD and the lower part is FDD.
  • the base station receives the terminal's ACK/ After NACK feedback, know whether the data packet is successfully transmitted, and then determine whether to retransmit. That is, the time slot where the data packet retransmitted by the base station side is located is related to the time slot where the base station side monitors the ACK/NACK.
  • the terminal monitors the data packet, and the monitoring fails; the terminal sends a NACK on the PUCCH indicated by the base station;
  • the base station After the base station detects the NACK, it knows that the data packet transmission has failed; the base station side can retransmit the above data packet within a period of time after the time slot where the NACK is sent;
  • the terminal side monitors within the corresponding time period. If the corresponding HARQ process is monitored and the NDI indicates retransmission data, the terminal considers the data packet to be the retransmission data packet and compares it with the data information of the previous one or more times. Carry out soft mergers and further data monitoring.
  • HARQ process ID can be indicated by HARQ process number.
  • the preset time period that is, the offset value can be the time slot offset between the start time slot of the monitoring window and the time slot where the NACK is sent; or the continuous time interval between the start time slot of the monitoring window and the time slot where the NACK is sent.
  • the time slot offset between the last time slots of two uplink time slots.
  • the specific offset value and monitoring window parameters are sent by the base station to the terminal through high-level information.
  • some embodiments of the present disclosure also provide communication devices.
  • the principles of these devices to solve the problem are similar to the data sending method and the data receiving method. Therefore, the implementation of these devices can refer to the implementation of the method, and repeat it. I won't repeat it here.
  • Fig. 12 is a schematic diagram of the structure of the seventh communication device, as shown in the figure, including:
  • the processor 1200 is configured to read programs in the memory 1220, and perform data processing according to the needs of the transceiver;
  • the transceiver 1210 is used to receive and send data under the control of the processor 1200, and execute the following process:
  • the data is retransmitted within a preset period of time after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the time period and/or the time difference between the preset time period and the failure indication are sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the time slot between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slot of the uplink time slot.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1200 and various circuits of the memory represented by the memory 1220 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 1210 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 1200 is responsible for managing the bus architecture and general processing, and the memory 1220 can store data used by the processor 1200 when performing operations.
  • Some embodiments of the present disclosure provide an eighth communication device, including:
  • the second sending module is used to send data
  • the second retransmission module is configured to retransmit the data within a preset time period after the failure indication if the transmission fails.
  • the second sending module is further configured to send the failure indication by sending a NACK indication on the PUCCH.
  • the second retransmission module is further configured to send the duration of the time period and/or the time difference between the preset time period and the failure indication to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the multiple consecutive uplinks between the start time slot of the receiving end monitoring window and the time slot where the NACK is sent.
  • the time slot difference between the last time slots of the time slot.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • Figure 13 is a schematic diagram of the structure of the ninth communication device, as shown in the figure, including:
  • the processor 1300 is configured to read programs in the memory 1320, and perform data processing according to the needs of the transceiver;
  • the transceiver 1310 is used to receive and send data under the control of the processor 1300, and execute the following process:
  • the reception fails, the data is received again within a preset period of time after the failure indication.
  • the failure indication is a NACK indication sent by the receiving end on the PUCCH.
  • the duration of the preset time period and/or the time difference between the preset time period and the failure indication is sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the continuous multiple uplink where the start time slot of the receiving end monitoring window and the time slot where the failure indication is located are located.
  • the time slot difference between the last time slots of the time slot.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1300 and various circuits of the memory represented by the memory 1320 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 1310 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 1330 may also be an interface capable of externally connecting internally required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
  • the processor 1300 is responsible for managing the bus architecture and general processing, and the memory 1320 can store data used by the processor 1300 when performing operations.
  • Some embodiments of the present disclosure provide a tenth communication device, including:
  • the second receiving module is used to receive data in a time window within one cycle
  • the second re-receiving module is configured to re-receive data within a preset time period after the failure indication if the reception fails.
  • the second receiving module is further configured to send a NACK indication on the PUCCH when sending the failure indication.
  • the second re-receiving module is further configured to send the duration of the preset time period and/or the time difference between the preset time period and the failure indication sent to the receiving end through high-level information.
  • the time difference is the time slot difference between the start time slot of the receiving end monitoring window and the time slot where the failure indication is located; or it is the continuous multiple uplink where the start time slot of the receiving end monitoring window and the time slot where the failure indication is located are located.
  • the time slot difference between the last time slots of the time slot.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • a communication device including a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor implements the above data when the computer program is executed.
  • a computer-readable storage medium stores one of the method for sending and receiving data, the method for determining HARQ process ID, or other methods for executing the above-mentioned data.
  • some embodiments of the present disclosure provide data retransmission solutions, which specifically include:
  • the HARQ process ID is jointly determined through the window index and HARQ process number fields; furthermore, the functions of HARQ process ID and window index are provided.
  • the retransmission is performed according to the position of the time slot and the time slot where the terminal sends the NACK, and a specific offset value configuration scheme is further provided.
  • the data retransmission problem under the large propagation delay in the NTN scenario is effectively solved.
  • the DCI bits in the HARQ process number field in the DCI can not be increased, and the control information overhead can be reduced.
  • the embodiments of the present disclosure can be provided as a method, a system, or a computer program product. Therefore, the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in the present disclosure.
  • ASICs application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array

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Abstract

本公开公开了一种数据发送、接收方法、设备及介质，包括：发送端在一个周期内的时间窗中发送数据；如果发送失败，发送端在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。接收端在一个周期内的时间窗中接收数据；如果接收失败，接收端在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。

Description

数据发送、接收方法、设备及介质
相关申请的交叉引用
本申请主张在2019年9月30日在中国提交的中国专利申请号No.201910940811.2的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域，特别涉及一种数据发送、接收方法、设备及介质。
背景技术
在NTN(非地面网络，Non terrestrial network)中，基站位于卫星，终端在地面，由于卫星的高度较高，使得基站与终端之间的距离很远。具体的，LEO(近地轨道卫星，Low Earth Orbit)系统可达1500km，MEO(中地轨道卫星，Middle Earth Orbit)系统有10000km，GEO(地球轨道卫星，Geosynchronous Earth Orbit)系统有35786km。从而使得不同场景下的RTT(信号往返时间，Round Trip Time)，相比对面网络有很大的变化。
相关技术的不足在于：在NTN或其他传播时延很长的场景下，在进行数据包重传时，会增加DCI(下行控制信息，Downlink Control Information)开销。
发明内容
本公开提供了一种数据发送、接收方法、设备及介质，用以在进行数据包重传时，不增加DCI开销。
本公开的一些实施例中提供了一种数据的发送方法，包括：
发送端在一个周期内的时间窗中发送数据；
如果发送失败，发送端在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种数据的接收方法，包括：
接收端在一个周期内的时间窗中接收数据；
如果接收失败，接收端在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种HARQ process ID的确定方法，包括：
通过以时间窗索引为参数的函数确定HARQ process ID。
实施中，在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，所述时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述时间窗，包括：
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种数据的发送方法，包括：
发送端发送数据；
如果发送失败，发送端在失败指示之后的预设时段内重新发送数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种数据的接收方法，包括：
接收端接收数据；
如果接收失败，接收端在失败指示之后的预设时段内重新接收数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述预设时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种通信设备，包括：
处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
在一个周期内的时间窗中发送数据；
如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
第一发送模块，用于在一个周期内的时间窗中发送数据；
第一重发模块，用于如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，进一步包括：
配置模块，用于通过高层信令配置所述周期和时间窗。
实施中，配置模块进一步用于在通过高层信令配置所述周期和时间窗时，包括：
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
在一个周期内的时间窗中接收数据；
如果接收失败，在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值 或偏移值；
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
第一接收模块，用于在一个周期内的时间窗中接收数据；
第一重收模块，用于如果接收失败，在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，进一步包括：
接收配置模块，用于通过高层信令接收所述周期和时间窗配置。
实施中，接收配置模块进一步用于在通过高层信令接收所述周期和时间窗配置时，包括：
接收周期参数配置，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
接收时间窗参数配置，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
处理器，用于读取存储器中的程序，执行下列过程：
通过以时间窗索引为参数的函数确定HARQ process ID；
收发机，用于在处理器的控制下接收和发送数据。
实施中，在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，所述时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述时间窗，包括：
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
确定模块，用于通过以时间窗索引为参数的函数确定HARQ process ID。
实施中，确定模块进一步用于在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，进一步包括：
配置模块，用于通过高层信令配置所述周期和时间窗。
实施中，配置模块进一步用于在通过高层信令配置所述时间窗时，包括：
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
本公开的一些实施例中提供了一种通信设备，包括：
处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
发送数据；
如果发送失败，在失败指示之后的预设时段内重新发送数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种通信设备，包括：
第二发送模块，用于发送数据；
第二重发模块，用于如果发送失败，在失败指示之后的预设时段内重新发送数据。
实施中，第二发送模块进一步用于发送所述失败指示是在PUCCH上发送NACK指示。
实施中，第二重发模块进一步用于通过高层信息发送给接收端所述时段的时长和/或所述预设时段与失败指示之间的时间差。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种通信设备，包括：
处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
接收数据；
如果接收失败，在失败指示之后的预设时段内重新接收数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述预设时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种通信设备，包括：
第二接收模块，用于在一个周期内的时间窗中接收数据；
第二重收模块，用于如果接收失败，在失败指示之后的预设时段内重新接收数据。
实施中，第二接收模块进一步用于在发送所述失败指示时，在PUCCH上发送NACK指示。
实施中，第二重收模块进一步用于通过高层信息发送给接收端的所述预设时段的时长和/或所述预设时段与失败指示之间的时间差。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
本公开的一些实施例中提供了一种通信设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现上述数据的发送方法、数据的接收方法、HARQ process ID的确定方法之一或者其组合。
本公开的一些实施例中提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储有执行上述数据的发送方法、数据的接收方法、HARQ process ID的确定方法之一或者其组合的计算机程序。
本公开有益效果如下：
在本公开的一些实施例提供的技术方案中，在设定了包含时间窗的发送周期以后，由于重传数据与发送数据通过时间窗建立了联系，因此可以在不增加DCI中HARQ process number域的DCI比特的情况下，也能指示出重传数据。
在本公开的一些实施例提供的技术方案中，在设定了包含时间窗的发送周期以后，由于重传数据可以通过时间窗指示为参数的函数确定HARQ process ID，因此可以在不增加DCI中HARQ process number域的DCI比特的情况下，也能指示出重传数据。
在本公开的一些实施例提供的技术方案中，由于重传数据是在预设时段内重新发送的，接收端可以判断出数据的接收，因此可以在不增加DCI中 HARQ process number域的DCI比特的情况下，也能指示出重传数据。
由于能够在不增加DCI中HARQ process number域的DCI比特的情况下也能指示出重传数据，因此减少了控制信息开销。
进一步的，也有效的解决了NTN场景下大传播时延下的数据重传问题。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1为本公开的一些实施例中NTN场景下数据传输示意图；
图2为本公开的一些实施例中发送端的数据的发送方法一实施流程示意图；
图3为本公开的一些实施例中接收端的数据的接收方法一实施流程示意图；
图4为本公开的一些实施例中数据重传示意图一；
图5为本公开的一些实施例中第一通信设备结构示意图；
图6为本公开的一些实施例中第三通信设备结构示意图；
图7为本公开的一些实施例中HARQ process ID的确定方法实施流程示意图；
图8为本公开的一些实施例中第五通信设备结构示意图；
图9为本公开的一些实施例中发送端的数据的发送方法二实施流程示意图；
图10为本公开的一些实施例中接收端的数据的接收方法二实施流程示意图；
图11为本公开的一些实施例中数据重传示意图二；
图12为本公开的一些实施例中第七通信设备结构示意图；
图13为本公开的一些实施例中第九通信设备结构示意图。
具体实施方式
发明人在发明过程中注意到：
LTE(长期演进，Long Term Evolution)/NR(新空口，New Radio)等系统均可以支持数据包在MAC(媒体接入控制，Media Access Control)层的重传。NR中MAC实体包括有HARQ(混合自动重复请求，Hybrid Automatic Repeat Request)实体。
HARQ实体维护多个并行的HARQ进程(HARQ process)。每个HARQ进程与一个HARQ进程标识(HARQ process ID)相关联。
在NR中，DCI中NDI(新数据指示，New Data Indicator)域指示调度的数据包是新数据包还是重传数据包；如果是重传数据包，HARQ进程数值(HARQ process number)域用于指示具体哪个HARQ process对应的数据包重传；另外，RV(冗余版本，Redundancy version)域用于配合指示重传数据的冗余版本。
用户支持的最大的HARQ process的个数通过配置或预设实现。其中，HARQ process number域占用4比特，最大可指示16个HARQ process对应的数据包。
接收端基于DCI信息确定对应的HARQ process及判断数据包是否重传。接收端会对重传数据进行监测，并将相同HARQ process的之前一次或多次的重传数据软信息进行合并，从而提升数据传输可靠性。
本申请中，在说明时，HARQ process个数指是可支持的并行HARQ进程的个数；HARQ process number指的DCI中的HARQ process number域；HARQ process ID表征的是HARQ process identifier，即HARQ进程标识/指示/索引等。
在NTN中，基站位于卫星，终端在地面，由于卫星的高度较高，使得基站与终端之间的距离很远。具体的，LEO可达1500km，MEO有10000km，GEO有35786km，这使得不同场景下的RTT相比对面网络有很大的变化，RTT如表1所示(考虑到中继转发场景)。
表1：不同通信场景下的RTT
场景 Max.RTT
LEO 50ms
MEO 180ms
GEO/HEO 600ms
表中HEO是指高椭圆轨道(Highly Elliptical Orbit)。
图1为NTN场景下数据传输示意图，如图所示，在NTN场景下，由于RTT时间较长，在一个周期内承载的数据包的个数会增加很多，即可以承载的HARQ process个数会相应增加。
例如RTT为600ms时，在FDD(频分双工，Frequency Division Duplex)系统或所有时隙结构均为下行时隙时，最大的HARQ process个数为600个；当上下行时隙配比为3:2时(DL(下行)：3，UL(上行)：2)，下行HARQ process个数达到360个。系统需要支持更多的HARQ process个数，才能保证每个数据包均可以进行重传。
一种增加支持HARQ process个数的方案是直接增加HARQ process number域比特的个数。例如，从HARQ process number域的比特数目从4比特扩展到9比特，这样在扩展后，HARQ process的个数可以从16个扩展到512个，从而可以支持GEO场景上下行时隙配置为3:2(DL：3，UL：2)的配置。
但该方案的不足在于，直接增加HARQ process number域的比特数目，会增加DCI开销。
另外，考虑到NR系统中DCI format(DCI格式)1-0/1-1和DCI format0-0/0-1中HARQ process number域有固定的比特数目，如果HARQ process number域比特数目的变化，则将会影响对DCI尺寸的确定。
基于此，本公开的一些实施例中，将解决在NTN或其他传播时延很长的场景下，如何在不增加DCI中HARQ process number域比特数目的条件下，有效地实现数据包的重传。
下面结合附图对本公开的具体实施方式进行说明。
在说明过程中，将分别从发送端与接收端的实施进行说明，然后还将给出二者配合实施的实施例以更好地理解本公开的一些实施例中给出的方案的实施。这样的说明方式并不意味着二者必须配合实施、或者必须单独实施，实际上，当发送端与接收端分开实施时，其也各自解决自身一侧的问题，而 二者结合使用时，会获得更好的技术效果。
在具体的说明过程中，在将以基站作为发送端、UE作为接收端进行说明，这是因为本方案运用于NTN场景下的数据重传是比较适宜的，所以这里主要以NTN场景下的基站与UE之间的数据重传为例进行说明；但是，从理论上来说，用于其它设备之间的数据重传也是可以的，只要当这两个设备之间的RTT较大时，采用本公开的一些实施例提供的技术方案即可获得较佳的结果，因此，基站与UE之间的数据重传仅用于教导本领域技术人员具体如何实施本公开，但不意味仅能运用于该场合，实施过程中可以结合实践需要来确定相应的运用环境。
同理，在具体说明过程中，将分别从UE与基站侧的实施进行说明，然后还将给出二者配合实施的实例以更好地理解本公开的一些实施例中给出的方案的实施。这样的说明方式并不意味着二者必须配合实施、或者必须单独实施，实际上，当UE与基站分开实施时，其也各自解决UE侧、基站侧的问题，而二者结合使用时，会获得更好的技术效果。
图2为发送端的数据的发送方法一实施流程示意图，如图所示，可以包括：
步骤201、发送端在一个周期内的时间窗中发送数据；
步骤202、如果发送失败，发送端在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
图3为接收端的数据的接收方法一实施流程示意图，如图所示，可以包括：
步骤301、接收端在一个周期内的时间窗中接收数据；
步骤302、如果接收失败，接收端在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗可以是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，可以包括：
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内 的时间窗个数；
所述一个周期包含正整数个时间窗。
具体的，在发送数据时，可以包括：
发送端确定在发送周期内在各时间窗中发送的数据，其中，每一个发送周期内至少包含一个或多个时间窗；
发送端在发送需重传的数据时，根据时间窗索引发送需重传的数据，以及根据时间窗的索引指示需重传的数据。
根据时间窗的索引发送需重传的数据，包括：
确定需重传的数据在本次发送周期内发送时的时间窗索引；
在下一个发送周期内，在相同索引的时间窗内发送需重传的数据；
根据时间窗的索引指示需重传的数据，包括：
发送端与接收端预先约定和/或发送端指示接收端，需重传的数据将在下一个发送周期内，在相同索引的时间窗内发送需重传的数据。
相应的，在接收重传数据时，可以包括：
接收端确定在发送周期内在各时间窗中接收的数据，其中，每一个发送周期内至少包含一个或多个时间窗；
接收端在接收需重传的数据时，根据时间窗的索引接收需重传的数据，以及根据指示确定需重传的数据，其中，所述指示是根据时间窗的索引进行指示的。
根据时间窗的索引接收需重传的数据，包括：
确定需重传的数据在本次发送周期内接收时的时间窗；
在下一个发送周期内，在相同索引的时间窗内接收需重传的数据；
根据指示确定需重传的数据，包括：
发送端与接收端预先约定和/或发送端指示接收端，需重传的数据将在下一个发送周期内，在相同索引的时间窗内发送需重传的数据。
下面以基站与终端的实例进行说明。
网络配置一个周期(周期)和时间起始值(offset)，从而可以确定一段时长。图4为数据重传示意图一，如图所示，网络在所述周期时长内配置多个时间窗(window/duration)，第一个时间窗的起始时间点与所述周期的时间 起始点相同；周期时长是时间窗时长的整数倍。
实施中，在一个周期时长内的一个时间窗内发送的数据包；如果没有传输成功，重传限定在下一个周期时长内的具有相同索引编号的时间窗内。
如图4所示，周期长度为160个时隙，窗时长为16个时隙，所述周期包括10个时间窗。在周期内0号窗内发送的数据包如果传输错误，则在下一周期内的0号时间窗内发送。这样，即使不同窗内HARQ process ID相同，由于在不同的时间窗内重传，也不会导致混淆。
在终端侧则通过HARQ process number域，确定HARQ process ID，从而确定之前缓存数据包信息，与本次接收信息进行软合并。
基于同一发明构思，本公开的一些实施例中还提供了通信设备，由于这些设备解决问题的原理与数据的发送方法、数据的接收方法相似，因此这些设备的实施可以参见方法的实施，重复之处不再赘述。
在实施本公开的一些实施例提供的技术方案时，可以按如下方式实施。
图5为第一通信设备结构示意图，如图所示，包括：
处理器500，用于读取存储器520中的程序，根据收发机需要进行数据处理；
收发机510，用于在处理器500的控制下接收和发送数据，执行下列过程：
在一个周期内的时间窗中发送数据；
如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
其中，在图5中，总线架构可以包括任意数量的互联的总线和桥，具体 由处理器500代表的一个或多个处理器和存储器520代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机510可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。处理器500负责管理总线架构和通常的处理，存储器520可以存储处理器500在执行操作时所使用的数据。
本公开的一些实施例中提供了一种第二通信设备，包括：
第一发送模块，用于在一个周期内的时间窗中发送数据；
第一重发模块，用于如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，进一步包括：
配置模块，用于通过高层信令配置所述周期和时间窗。
实施中，配置模块进一步用于在通过高层信令配置所述周期和时间窗时，包括：
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
为了描述的方便，以上所述装置的各部分以功能分为各种模块或单元分别描述。当然，在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
图6为第三通信设备结构示意图，如图所示，包括：
处理器600，用于读取存储器620中的程序，根据收发机需要进行数据处理；
收发机610，用于在处理器600的控制下接收和发送数据，执行下列过程：
在一个周期内的时间窗中接收数据；
如果接收失败，在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，所述周期和时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述周期和时间窗，包括：
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
其中，在图6中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器600代表的一个或多个处理器和存储器620代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机610可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口630还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器600负责管理总线架构和通常的处理，存储器620可以存储处理器600在执行操作时所使用的数据。
本公开的一些实施例中提供了一种第四通信设备，包括：
第一接收模块，用于在一个周期内的时间窗中接收数据；
第一重收模块，用于如果接收失败，在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
实施中，进一步包括：
接收配置模块，用于通过高层信令接收所述周期和时间窗配置。
实施中，接收配置模块进一步用于在通过高层信令接收所述周期和时间窗配置时，包括：
接收周期参数配置，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
接收时间窗参数配置，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
所述一个周期包含正整数个时间窗。
为了描述的方便，以上所述装置的各部分以功能分为各种模块或单元分别描述。当然，在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
本公开的一些实施例中还提供了HARQ process ID的确定方法，下面进行说明。
图7为HARQ process ID的确定方法实施流程示意图，如图所示，可以包括：
步骤701、通过以时间窗指示为参数的函数确定HARQ process ID。
实施中，在通过一个以时间窗指示为参数的函数确定HARQ process ID的值时，可以是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，所述时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述时间窗，包括：
网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
具体的，在发送数据时，可以包括：
发送端确定在发送周期内在各时间窗中发送的数据，其中，每一个发送周期内至少包含一个或多个时间窗；
发送端在发送需重传的数据时，根据时间窗索引以及重传的数据的进程号发送需重传的数据，以及根据时间窗的索引以及重传的数据的进程号指示需重传的数据。
根据时间窗的索引以及重传的数据的进程号发送需重传的数据，包括：
确定需重传的数据在发送周期内发送时的时间窗索引以及重传的数据的进程号；
在确定的索引的时间窗内发送需重传的数据。
实施中则可以通过以下公式指示、发送需重传的数据：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送需重传的数据的时间窗位置的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的最大的HARQ process的个数；
HARQ process number为需重传的数据在DCI中HARQ process number域指示的数值。
相应的，在接收重传数据时，可以包括：
接收端在接收需重传的数据时，根据时间窗的索引以及重传的数据的进程号接收需重传的数据。
根据时间窗的索引以及重传的数据的进程号接收需重传的数据，包括：
根据指示确定需重传的数据在发送周期内接收时的时间窗索引以及重传的数据的进程号；
在该索引的时间窗内接收需重传的数据。
实施中则可以通过以下公式确定、接收需重传的数据：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送需重传的数据的时间窗位置的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的最大的HARQ process的个数；
HARQ process number为需重传的数据在DCI中HARQ process number 域指示的数值。
下面以基站与终端的实例进行说明。
网络配置一个周期(周期)和时间起始值(offset)，从而可以确定一段时长。图4为数据重传示意图一，如图所示，网络在所述周期时长内配置多个时间窗(window/duration)，第一个时间窗的起始时间点与所述周期的时间起始点相同；周期时长是时间窗时长的整数倍。
基于图4所示的配置的周期/offset/窗时长等参数；考虑通过DCI中HARQ process number域和window index共同确定HARQ process ID值。这样可以通过window index，增大HARQ process ID的取值范围，支持很大传播时延下的数据包重传。
具体的，HARQ process ID是window index的函数，可以通过下面公式确定：
HARQ process ID＝window index*C+HARQ process number；
其中，window index表示时间窗索引；C是正整数常数或配置的参数，表征一个时间窗内支持的最大的HARQ process的个数；HARQ process number为DCI中HARQ process number域指示的数值。所述方法与方法1的区别为数据包不一定限定在对应的时间窗内进行重传。
基于同一发明构思，本公开的一些实施例中还提供了通信设备，由于这些设备解决问题的原理与HARQ process ID的确定方法相似，因此这些设备的实施可以参见方法的实施，重复之处不再赘述。
在实施本公开的一些实施例提供的技术方案时，可以按如下方式实施。
图8为第五通信设备结构示意图，如图所示，包括：
处理器800，用于读取存储器820中的程序，执行下列过程：
通过以时间窗索引为参数的函数确定HARQ process ID；
收发机810，用于在处理器800的控制下接收和发送数据。
实施中，在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，所述时间窗是通过高层信令配置的。
实施中，通过高层信令配置所述时间窗，包括：
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
其中，在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器800代表的一个或多个处理器和存储器820代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机810可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。处理器800负责管理总线架构和通常的处理，存储器820可以存储处理器800在执行操作时所使用的数据。
本公开的一些实施例中提供了一种第六通信设备，包括：
确定模块，用于通过以时间窗索引为参数的函数确定HARQ process ID。
实施中，确定模块进一步用于在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
HARQ process ID＝window index*C+HARQ process number；其中，
window index为表征发送数据所在时间窗的时间窗索引；
C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
HARQ process number为DCI中HARQ process number域指示的数值。
实施中，进一步包括：
配置模块，用于通过高层信令配置所述周期和时间窗。
实施中，配置模块进一步用于在通过高层信令配置所述时间窗时，包括：
配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
所述一个周期包含正整数个时间窗。
为了描述的方便，以上所述装置的各部分以功能分为各种模块或单元分别描述。当然，在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
本公开的一些实施例中还提供了数据的发送与接收方案，下面进行说明。
图9为发送端的数据的发送方法二实施流程示意图，如图所示，可以包括：
步骤901、发送端发送数据；
步骤902、如果发送失败，发送端在失败指示之后的预设时段内重新发送数据。
图10为接收端的数据的接收方法二实施流程示意图，如图所示，可以包括：
步骤1001、接收端接收数据；
步骤1002、如果接收失败，接收端在失败指示之后的预设时段内重新接收数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述预设时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端检监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
具体的，在发送重传数据时，可以包括：
发送端接收接收端发送的数据接收失败的指示；
发送端确定所述指示的发送时隙；
发送端在预设的时间段内，发送需重传的数据，并指示发送的是需重传的数据。
相应的，在接收重传数据时，可以包括：
接收端在数据接收失败后，向发送端发送失败指示；
接收端确定所述失败指示的发送时隙；
接收端在预设的时间段内，接收需重传的数据，并根据指示确定接收的是否是需重传的数据。
实施中，失败指示是接收端在PUCCH上发送的NACK。
具体实施中，所述失败指示是通过HARQ process标识，以及在NDI指示为重传数据来指示发送的是需重传的数据。
具体实施中，所述HARQ process标识是通过HARQ process number指示的。
实施中，所述预设时段是发送端通过高层信息发送给接收端的。
具体实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
下面以基站与终端的实例进行说明。
图11为数据重传示意图二，图中重传时隙与PUCCH(物理上行控制信道，Physical Uplink Control Channel)相关，上为TDD，下为FDD，如图所示，基站收到终端的ACK/NACK反馈后，知道数据包是否传输成功，进而判断是否重传。也即，基站侧重传的数据包所在的时隙与基站侧监测ACK/NACK的所在时隙有关。
具体的，终端监测数据包，监测失败；终端在基站指示的PUCCH发送NACK；
基站监测到NACK后，知道数据包传输失败；基站侧在发送NACK所在时隙之后的一段时长内，可以重传上述数据包；
终端侧在对应的时长内进行监测，如果监测到对应的HARQ process，且 NDI指示为重传数据，则终端认为该数据包为所述重传数据包，并与上一次或多次的数据信息进行软合并，并进一步进行数据监测。
如果，超过所述时长，即使监测到相同HARQ process number的数据包，且NDI指示为重传数据，终端也不会认为是上述数据包的重传(可能上述数据包之后具有相同HARQ process ID的数据包重传)。其中,HARQ process ID可以是通过HARQ process number指示。
预设时段，也即偏移值可以是监测窗起始时隙与发送NACK所在时隙之间的时隙偏移；或者是检监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙偏移。具体的偏移值和监测窗的参数是基站通过高层信息发送给终端的。
基于同一发明构思，本公开的一些实施例中还提供了通信设备，由于这些设备解决问题的原理与数据的发送方法、数据的接收方法相似，因此这些设备的实施可以参见方法的实施，重复之处不再赘述。
在实施本公开的一些实施例提供的技术方案时，可以按如下方式实施。
图12为第七通信设备结构示意图，如图所示，包括：
处理器1200，用于读取存储器1220中的程序，根据收发机需要进行数据处理；
收发机1210，用于在处理器1200的控制下接收和发送数据，执行下列过程：
发送数据；
如果发送失败，在失败指示之后的预设时段内重新发送数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端检监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
其中，在图12中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器1200代表的一个或多个处理器和存储器1220代表的存储器的各种 电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机1210可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。处理器1200负责管理总线架构和通常的处理，存储器1220可以存储处理器1200在执行操作时所使用的数据。
本公开的一些实施例中提供了一种第八通信设备，包括：
第二发送模块，用于发送数据；
第二重发模块，用于如果发送失败，在失败指示之后的预设时段内重新发送数据。
实施中，第二发送模块进一步用于发送所述失败指示是在PUCCH上发送NACK指示。
实施中，第二重发模块进一步用于通过高层信息发送给接收端所述时段的时长和/或所述预设时段与失败指示之间的时间差。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
为了描述的方便，以上所述装置的各部分以功能分为各种模块或单元分别描述。当然，在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
图13为第九通信设备结构示意图，如图所示，包括：
处理器1300，用于读取存储器1320中的程序，根据收发机需要进行数据处理；
收发机1310，用于在处理器1300的控制下接收和发送数据，执行下列过程：
接收数据；
如果接收失败，在失败指示之后的预设时段内重新接收数据。
实施中，所述失败指示是接收端在PUCCH上发送的NACK指示。
实施中，所述预设时段的时长和/或所述预设时段与失败指示之间的时间 差是通过高层信息发送给接收端的。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
其中，在图13中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器1300代表的一个或多个处理器和存储器1320代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机1310可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口1330还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器1300负责管理总线架构和通常的处理，存储器1320可以存储处理器1300在执行操作时所使用的数据。
本公开的一些实施例中提供了一种第十通信设备，包括：
第二接收模块，用于在一个周期内的时间窗中接收数据；
第二重收模块，用于如果接收失败，在失败指示之后的预设时段内重新接收数据。
实施中，第二接收模块进一步用于在发送所述失败指示时，在PUCCH上发送NACK指示。
实施中，第二重收模块进一步用于通过高层信息发送给接收端的所述预设时段的时长和/或所述预设时段与失败指示之间的时间差。
实施中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
为了描述的方便，以上所述装置的各部分以功能分为各种模块或单元分别描述。当然，在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
本公开的一些实施例中提供了一种通信设备，包括存储器、处理器及存 储在存储器上并可在处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现上述数据的发送方法、数据的接收方法、HARQ process ID的确定方法之一或者其组合。
本公开的一些实施例中提供了一种计算机可读存储介质，其中，所述计算机可读存储介质存储有执行上述数据的发送方法、数据的接收方法、HARQ process ID的确定方法之一或者其组合的计算机程序。
综上所述，本公开的一些实施例中提供了数据重传方案，具体包括：
在一个周期时长内具有相同编号的时间窗内重传；进一步的还提供了相应的周期、起始点、时间窗配置方案。
通过所述window index和HARQ process number域共同确定HARQ process ID；进一步的还提供了HARQ process ID与window index的函数。
根据所在时隙位置与终端发送NACK所在时隙进行重传，进一步的还提供了具体的偏移值配置方案。
采用本公开的一些实施例提供的技术方案，有效解决了NTN场景下大传播时延下的数据重传问题。
能够不增加DCI中HARQ process number域的DCI比特，减少控制信息开销。
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开的一些实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的 功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
可以理解的是，本公开实施例描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，模块、单元、子模块、子单元等可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本公开所述功能的其它电子单元或其组合中。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (25)

  1. 一种数据的发送方法，包括：
    发送端在一个周期内的时间窗中发送数据；
    如果发送失败，发送端在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
  2. 如权利要求1所述的方法，其中，所述周期和时间窗是通过高层信令配置的。
  3. 如权利要求1或2所述的方法，其中，通过高层信令配置所述周期和时间窗，包括：
    网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
    网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
    所述一个周期包含正整数个时间窗。
  4. 一种数据的接收方法，包括：
    接收端在一个周期内的时间窗中接收数据；
    如果接收失败，接收端在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
  5. 如权利要求4所述的方法，其中，所述周期和时间窗是通过高层信令配置的。
  6. 如权利要求4或5所述的方法，其中，通过高层信令配置所述周期和时间窗，包括：
    网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
    网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
    所述一个周期包含正整数个时间窗。
  7. 一种混合自动重复请求进程标识HARQ process ID的确定方法，包 括：
    通过以时间窗索引为参数的函数确定HARQ process ID。
  8. 如权利要求7所述的方法，其中，在通过一个以时间窗索引为参数的函数确定HARQ process ID的值时，是通过以下函数确定的：
    HARQ process ID＝window index*C+HARQ process number；其中，
    window index为表征发送数据所在时间窗的时间窗索引；
    C是正整数常数或配置的参数，表征一个时间窗内支持的HARQ process的个数或者最大的HARQ process的个数；
    HARQ process number为DCI中HARQ process number域指示的数值。
  9. 如权利要求7或8所述的方法，其中，所述时间窗是通过高层信令配置的。
  10. 如权利要求9所述的方法，其中，通过高层信令配置所述时间窗，包括：
    网络侧配置时间窗参数，时间窗参数包括：时间窗时长和/或一个周期内的时间窗个数；
    网络侧配置周期参数，周期参数包括：周期时长和/或所述周期的起始值或偏移值；
    所述一个周期包含正整数个时间窗。
  11. 一种数据的发送方法，包括：
    发送端发送数据；
    如果发送失败，发送端在失败指示之后的预设时段内重新发送数据。
  12. 如权利要求11所述的方法，其中，所述失败指示是接收端在物理上行控制信道PUCCH上发送的NACK指示。
  13. 如权利要求11所述的方法，其中，所述时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
  14. 如权利要求13所述的方法，其中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端检监测窗起始时隙与发送NACK所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
  15. 一种数据的接收方法，包括：
    接收端接收数据；
    如果接收失败，接收端在失败指示之后的预设时段内重新接收数据。
  16. 如权利要求15所述的方法，其中，所述失败指示是接收端在PUCCH上发送的NACK指示。
  17. 如权利要求15所述的方法，其中，所述预设时段的时长和/或所述预设时段与失败指示之间的时间差是通过高层信息发送给接收端的。
  18. 如权利要求17所述的方法，其中，所述时间差是接收端监测窗起始时隙与失败指示所在时隙之间的时隙差；或者是接收端检监测窗起始时隙与失败指示所在时隙所在的连续多个上行时隙的最后一个时隙之间的时隙差。
  19. 一种通信设备，包括：
    处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
    收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
    在一个周期内的时间窗中发送数据；
    如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
    或，包括：
    第一发送模块，用于在一个周期内的时间窗中发送数据；
    第一重发模块，用于如果发送失败，在下一个周期内具有相同索引的时间窗内重新发送数据；其中，所述周期内至少包含一个或多个时间窗。
  20. 一种通信设备，包括：
    处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
    收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
    在一个周期内的时间窗中接收数据；
    如果接收失败，在下一个周期内具有相同索引的时间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
    或，包括：
    第一接收模块，用于在一个周期内的时间窗中接收数据；
    第一重收模块，用于如果接收失败，在下一个周期内具有相同索引的时 间窗内重新接收数据；其中，所述周期内至少包含一个或多个时间窗。
  21. 一种通信设备，包括：
    处理器，用于读取存储器中的程序，执行下列过程：
    通过以时间窗索引为参数的函数确定HARQ process ID；
    收发机，用于在处理器的控制下接收和发送数据。
    或，包括：
    确定模块，用于通过以时间窗索引为参数的函数确定HARQ process ID。
  22. 一种通信设备，包括：
    处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
    收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
    发送数据；
    如果发送失败，在失败指示之后的预设时段内重新发送数据。
    或，包括：
    第二发送模块，用于发送数据；
    第二重发模块，用于如果发送失败，在失败指示之后的预设时段内重新发送数据。
  23. 一种通信设备，包括：
    处理器，用于读取存储器中的程序，根据收发机需要进行数据处理；
    收发机，用于在处理器的控制下接收和发送数据，执行下列过程：
    接收数据；
    如果接收失败，在失败指示之后的预设时段内重新接收数据。
    或，包括：
    第二接收模块，用于在一个周期内的时间窗中接收数据；
    第二重收模块，用于如果接收失败，在失败指示之后的预设时段内重新接收数据。
  24. 一种通信设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现权利要求1至18任一所述方法。
  25. 一种计算机可读存储介质，其中，所述计算机可读存储介质存储有 执行权利要求1至18任一所述方法的计算机程序。
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