WO2018166400A1 - Appareil et procédé de transmission - Google Patents

Appareil et procédé de transmission Download PDF

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Publication number
WO2018166400A1
WO2018166400A1 PCT/CN2018/078467 CN2018078467W WO2018166400A1 WO 2018166400 A1 WO2018166400 A1 WO 2018166400A1 CN 2018078467 W CN2018078467 W CN 2018078467W WO 2018166400 A1 WO2018166400 A1 WO 2018166400A1
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WIPO (PCT)
Prior art keywords
data
feedback message
transmission
network side
receiving
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PCT/CN2018/078467
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English (en)
Chinese (zh)
Inventor
李铁
邢艳萍
赵铮
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电信科学技术研究院有限公司
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Publication of WO2018166400A1 publication Critical patent/WO2018166400A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a transmission method and apparatus.
  • the existing scheduling-free scheme uses the pre-configured resource allocation.
  • the data packet is large, all data cannot be transmitted at one time, resulting in an increase in data transmission delay. If multiple unscheduled transmissions are used, the data detection efficiency is reduced and the data is reduced. System transmission efficiency.
  • the existing scheduling scheme adopts a dynamic and explicit scheduling authorization mode of the base station.
  • the signaling load is increased and the data transmission delay is also increased.
  • uplink unscheduled transmission brings many benefits.
  • the uplink unscheduled transmission does not require dynamic and explicit scheduling authorization from the base station, and the UE (user equipment) directly transmits uplink data on the selected resource.
  • the resources selected by the UE are pre-configured by the network side, and are transparent to both the base station and the UE. In this way, when the UE sends data larger than the allocated resources, the UE cannot transmit all the data at one time, so that the UE needs to transmit multiple times, thus reducing the user plane delay and reducing the system transmission efficiency.
  • embodiments of the present disclosure provide a transmission method and apparatus, which can reduce delay, improve system transmission efficiency, and increase system transmission reliability.
  • a method includes: the user equipment UE sends the first data by using an uplink unscheduled transmission and carries a buffer status report; and the UE receives the feedback message according to the network side.
  • the data transmission mode is determined.
  • the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • the determining, by the UE, the data transmission manner according to the situation that the feedback message is received by the network includes receiving downlink control information DCI feedback within a specified time window after the uplink scheduling transmission ends a message; if the UE receives the DCI feedback message, and the uplink scheduling grant signaling UL Grant in the DCI feedback message has resource scheduling information and the new data indicates that the NDI is the first value, the UE allocates in the UL Grant The first data is sent by means of scheduled retransmission on the corresponding resource.
  • the determining, by the UE, the data transmission manner according to the situation that the feedback message is received by the network includes receiving the DCI feedback message within a specified time window after the uplink scheduling transmission ends;
  • the UE receives the DCI feedback message, and the UL Grant in the DCI feedback message has the resource scheduling information and the NDI is the second value, and the UE sends the first data on the corresponding resource allocated by the UL Grant. Remaining data.
  • the determining, by the UE, the data transmission manner according to the situation that the feedback message is received by the network includes receiving the DCI feedback message within a specified time window after the uplink scheduling transmission ends; The UE receives the DCI feedback message, and the UL Grant in the DCI feedback message does not have the resource scheduling information and the NDI is the first value, and the UE sends the first data by means of the unscheduled retransmission.
  • the determining, by the UE, the data transmission manner according to the situation that the feedback message is received by the network includes receiving the DCI feedback message within a specified time window after the uplink scheduling transmission ends; The UE does not receive the DCI feedback message, and the UE sends the second data in an uplink unscheduled transmission manner on the static or semi-static pre-allocated resources on the network side.
  • a method for transmitting includes: receiving, by a network side, a first data and a buffer status report sent by a user equipment UE by using an uplink unscheduled transmission; The receiving condition of the first data and the buffer status report determine a feedback message; the network side sends the feedback message to the UE, where the feedback message is used to notify the UE of the reception of the first data. And notifying the UE whether the UE is required to retransmit the first data or whether to transmit the remaining data of the first data.
  • the end time of the uplink schedule-free transmission is time T1, and the network side sends the feedback message to the UE at time T1+k, where k is a positive integer.
  • the value of k is agreed in the protocol or configured by the network side.
  • a transmission apparatus includes: a first sending module, configured to send first data by using an uplink unscheduled transmission and carry a buffer status report; And determining, according to the situation of receiving the feedback message on the network side, the data transmission mode, wherein the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • the first determining module includes: a first receiving unit, configured to receive a downlink control information DCI feedback message within a specified time window after the uplink scheduling transmission ends; the first sending unit, If the DCI feedback message is received, and the uplink scheduling grant signaling UL Grant in the DCI feedback message has resource scheduling information and the new data indicates that the NDI is the first value, scheduling is performed on the corresponding resource allocated by the UL Grant.
  • the first data is transmitted in a retransmission manner.
  • the first determining module includes: a second receiving unit, configured to receive a DCI feedback message within a specified time window after the end of the uplink schedule-free transmission; and a second sending unit, if Go to the DCI feedback message, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is the second value, and the remaining data of the first data is sent on the corresponding resource allocated by the UL Grant.
  • the first determining module includes: a third receiving unit, configured to receive a DCI feedback message within a specified time window after the end of the uplink schedule-free transmission; and a third sending unit, if The first data is sent by the unscheduled retransmission in the manner that the UL Grant in the DCI feedback message does not have the resource scheduling information and the NDI is the first value.
  • the first determining module includes: a fourth receiving unit, configured to receive a DCI feedback message within a specified time window after the end of the uplink schedule-free transmission; and a fourth sending unit, if not The DCI feedback message is received, and the second data is sent by uplink unscheduled transmission on the static or semi-static pre-allocated resources on the network side.
  • a transmission apparatus configured to include: a receiving module, configured to receive first data and a buffer status report sent by the user equipment UE by using an uplink unscheduled transmission; a determining module, configured to determine a feedback message according to the receiving situation of the first data and the buffer status report; the second sending module is configured to send the feedback message to the UE, where the feedback message is used to notify the Receiving, by the UE, the first data, and notifying the UE whether the UE needs to retransmit the first data or whether to send the remaining data of the first data.
  • the end time of the uplink schedule-free transmission is time T1, and the network side sends the feedback message to the UE at time T1+k, where k is a positive integer.
  • the value of k is agreed in the protocol or configured by the network side.
  • a user equipment including a first memory, a first processor, and a computer program stored on the first memory and operable on the first processor, The steps in the transmission method as described above are implemented when the first processor executes the program.
  • a network side device including a second memory, a second processor, and a computer program stored on the second memory and operable on the second processor, The steps in the transmission method as described above are implemented when the second processor executes the program.
  • the UE adopts uplink scheduling-free transmission, which can reduce the process of sending a scheduling request and waiting for network authorization, thereby reducing delay and signaling overhead.
  • the UE may select scheduled retransmission or schedule-free retransmission according to the DCI indication, further reducing the delay, saving signaling overhead, and avoiding collision with other users.
  • the system transmission efficiency can be further improved.
  • FIG. 3 is a schematic diagram of transmission in some alternative embodiments of the present disclosure.
  • FIG. 4 is a schematic diagram of a situation in some alternative embodiments of the present disclosure.
  • Figure 5 is a schematic illustration of a situation in some alternative embodiments of the present disclosure.
  • Figure 6 is a schematic illustration of a situation in some alternative embodiments of the present disclosure.
  • Figure 7 is a schematic illustration of a situation in some alternative embodiments of the present disclosure.
  • Figure 8 is a block diagram of a transmission device in some alternative embodiments of the present disclosure.
  • Figure 9 is a block diagram of a transmission device in some alternative embodiments of the present disclosure.
  • Figure 10 is a block diagram of a user equipment in some alternative embodiments of the present disclosure.
  • Figure 11 is a block diagram of a network side device in some alternative embodiments of the present disclosure.
  • the flow of the transmission method is shown, and the execution body of the method is a UE, which specifically includes the following steps.
  • Step 101 The UE sends the first data by using an uplink unscheduled transmission and carries a buffer status report.
  • the UE may be a mobile phone (or mobile phone), or other device capable of transmitting or receiving wireless signals, including terminals, personal digital assistants (PDAs), wireless modems, wireless communication devices, handheld devices, laptop computers, cordless phones, A wireless local loop (WLL) station, a CPE (Customer Premise Equipment) capable of converting a mobile signal into a WiFi signal, or a mobile intelligent hotspot, a smart home appliance, or other non-human operation can spontaneously communicate with a mobile communication network. Equipment, etc.
  • PDAs personal digital assistants
  • WLL wireless local loop
  • CPE Customer Premise Equipment
  • the network side may be a base station.
  • the form of the base station is not limited, and may be a Macro Base Station, a Pico Base Station, a Node B (a name of a 3G mobile base station), and an enhancement.
  • RRU Remote Radio Unit
  • RRH Remote Radio Head
  • BSR Buffer Status Report
  • Step 102 The UE determines a data transmission mode according to the situation that the feedback message of the network side is received, where the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • the UE can determine the data transmission mode in the following four ways:
  • Manner 1 The UE receives the DCI (Downlink Control Information) feedback message in the specified time window after the uplink scheduling transmission ends; if the UE receives the DCI feedback message, and the UL Grant in the DCI feedback message
  • the scheduling authorization signaling, the uplink scheduling grant, and the NDI (New Data Indicator) are the first value, and the UE sends the retransmission by using the scheduled retransmission on the corresponding resource allocated by the UL Grant.
  • the first data The first data.
  • Manner 2 The UE receives the DCI feedback message in the specified time window after the uplink scheduling transmission ends; if the UE receives the DCI feedback message, and the UL Grant in the DCI feedback message has the resource scheduling information and the NDI is the second value, The UE transmits remaining data of the first data on a corresponding resource allocated by the UL Grant.
  • the UE When the UE sends data larger than the allocated resource, if the UE cannot transmit all the data at a time, the UE may send the remaining data of the first data in the foregoing manner 2.
  • Manner 3 The UE receives the DCI feedback message in the specified time window after the uplink scheduling transmission ends; if the UE receives the DCI feedback message, and the UL Grant in the DCI feedback message does not have the resource scheduling information and the NDI is the first One value, the UE sends the first data by means of scheduling-free retransmission.
  • Manner 4 The UE receives the DCI feedback message in the specified time window after the uplink scheduling transmission ends; if the UE does not receive the DCI feedback message, the UE passes the uplink exemption on the static or semi-static pre-allocated resources on the network side.
  • the second data is sent in a manner of scheduling transmission.
  • the UE adopts the uplink unscheduled transmission, which can reduce the process of sending the scheduling request and waiting for the network authorization, thereby reducing the delay and signaling overhead.
  • the UE may select scheduled retransmission or schedule-free retransmission according to the DCI indication, further reducing the delay, saving signaling overhead, and avoiding collision with other users.
  • the system transmission efficiency can be further improved.
  • the flow of the transmission method is shown, and the execution body of the method is the network side, and specifically includes the following steps.
  • Step 201 The network side receives the first data and the buffer status report sent by the UE by using the uplink unscheduled transmission.
  • the network side may be a base station.
  • the form of the base station is not limited, and may be a Macro Base Station, a Pico Base Station, a Node B (a name of a 3G mobile base station), and an enhancement.
  • RRU Remote Radio Unit
  • RRH Remote Radio Head
  • the UE may be a mobile phone (or mobile phone), or other device capable of transmitting or receiving wireless signals, including terminals, personal digital assistants (PDAs), wireless modems, wireless communication devices, handheld devices, laptop computers, cordless phones, A wireless local loop (WLL) station, a CPE (Customer Premise Equipment) capable of converting a mobile signal into a WiFi signal, or a mobile intelligent hotspot, a smart home appliance, or other non-human operation can spontaneously communicate with a mobile communication network. Equipment, etc.
  • PDAs personal digital assistants
  • WLL wireless local loop
  • CPE Customer Premise Equipment
  • Step 202 The network side determines a feedback message according to the receiving condition of the first data and the buffer status report.
  • Step 203 The network side sends the feedback message to the UE, where the feedback message is used to notify the UE of the reception of the first data, and notify the UE whether the UE needs to retransmit the first data. Or whether it is necessary to transmit the remaining data of the first data.
  • the end time of the uplink unscheduled transmission is T1
  • the network side sends the feedback message to the UE at time T1+k, where k is a positive integer.
  • the value of the above k may be agreed in the protocol or configured by the network side.
  • the UE adopts the uplink unscheduled transmission, which can reduce the process of sending the scheduling request and waiting for the network authorization, thereby reducing the delay and signaling overhead.
  • the UE may select scheduled retransmission or schedule-free retransmission according to the DCI indication, further reducing the delay, saving signaling overhead, and avoiding collision with other users.
  • the system transmission efficiency can be further improved.
  • the UE pre-allocates resources at the base station (gNB) to initiate uplink unscheduled data transmission and carries buffered state reporting information, and the uplink schedule-free transmission ends at time T1, as shown in FIG. Process 1.
  • the base station feeds back a message to the UE at time T1+k, where the value of k can be agreed in the protocol or configured by the network side.
  • the feedback information is that the base station notifies the UE of the data reception status and whether it is required to initiate a retransmission.
  • the feedback process ends at time T2, as shown in process 2 of FIG.
  • the UE decides how to send data according to the content of the feedback message, as shown in step 3 of the process shown in FIG.
  • the UE performs different processing according to the indication of receiving the DCI feedback message.
  • the UE adopts the uplink unscheduled transmission, which can reduce the process of sending the scheduling request and waiting for the network authorization, thereby reducing the delay and signaling overhead.
  • the UE may select scheduled retransmission or schedule-free retransmission according to the DCI indication, further reducing the delay, saving signaling overhead, and avoiding collision with other users.
  • the system transmission efficiency can be further improved.
  • a transmission device is further provided in the embodiment of the present disclosure. Since the principle of solving the problem is similar to the transmission method in FIG. 1 of the embodiment of the present disclosure, the implementation of the transmission device may refer to the implementation of the method. The repetitions are no longer described.
  • the apparatus 800 includes: a first sending module 801, configured to send first data by using an uplink unscheduled transmission and carry a buffer status report; and a first determining module 802, configured to And determining, according to the situation of receiving the feedback message on the network side, the data transmission mode, wherein the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • the first determining module 801 includes: a first receiving unit 8011, configured to receive a downlink control information DCI feedback message within a specified time window after the uplink schedule-free transmission ends;
  • the first sending unit 8012 is configured to: if the DCI feedback message is received, and the uplink scheduling grant signaling UL Grant in the DCI feedback message has resource scheduling information and the new data indicates that the NDI is the first value, the UL Grant is allocated in the UL Grant The first data is sent by means of scheduled retransmission on the corresponding resource.
  • the first determining module 801 includes: a second receiving unit 8013, configured to receive a DCI feedback message within a specified time window after the uplink schedule-free transmission ends; the second sending unit 8014, For transmitting the DCI feedback message, and the UL Grant in the DCI feedback message has resource scheduling information and the NDI is the second value, and the remaining data of the first data is sent on the corresponding resource allocated by the UL Grant.
  • the first determining module 801 includes: a third receiving unit 8015, configured to receive a DCI feedback message within a specified time window after the uplink scheduling transmission ends; the third sending unit 8016, And if the DCI feedback message is received, and the UL Grant in the DCI feedback message does not have the resource scheduling information, and the NDI is the first value, the first data is sent by the unscheduled retransmission.
  • a third receiving unit 8015 configured to receive a DCI feedback message within a specified time window after the uplink scheduling transmission ends
  • the third sending unit 8016 And if the DCI feedback message is received, and the UL Grant in the DCI feedback message does not have the resource scheduling information, and the NDI is the first value, the first data is sent by the unscheduled retransmission.
  • the first determining module 801 includes: a fourth receiving unit 8017, configured to receive a DCI feedback message within a specified time window after the uplink schedule-free transmission ends; the fourth sending unit 8018, And if the DCI feedback message is not received, sending the second data by using uplink scheduling transmission on the static or semi-static pre-allocated resources on the network side.
  • a transmission device is further provided in the embodiment of the present disclosure. Since the principle of solving the problem is similar to the transmission method in FIG. 2 of the embodiment of the present disclosure, the implementation of the transmission device may refer to the implementation of the method. The repetitions are no longer described.
  • the apparatus 900 includes: a receiving module 901, configured to receive first data and a buffer status report sent by the user equipment UE by using an uplink unscheduled transmission; and a second determining module 902, And the second sending module 903 is configured to send the feedback message to the UE, where the feedback message is used to notify the UE according to the receiving situation of the first data and the buffer status report. Determining a reception status of the first data and notifying the UE whether the UE needs to retransmit the first data or whether to transmit the remaining data of the first data.
  • the end time of the uplink unscheduled transmission is T1
  • the network side sends the feedback message to the UE at time T1+k, where k is A positive integer.
  • the value of the k is agreed in the protocol or configured by the network side.
  • a user equipment including a first memory, a first processor, and being stored on the first memory and operable on the first processor
  • the computer program when the first processor executes the program, implements the following steps: transmitting the first data by the uplink unscheduled transmission and carrying the buffer status report; determining the data transmission manner according to the situation of receiving the feedback message on the network side; The feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • a bus architecture (represented by a first bus 1000), the first bus 1000 can include any number of interconnected buses and bridges, and the first bus 1000 will include one or more represented by the general purpose first processor 1001.
  • the processors are linked together with various circuits of the memory represented by the first memory 1004.
  • the first bus 1000 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is well known in the art, and therefore, will not be further described herein.
  • the first bus interface 1003 provides an interface between the first bus 1000 and the first transceiver 1002.
  • the first transceiver 1002 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • the first transceiver 1002 receives external data from other devices.
  • the first transceiver 1002 is configured to send the processed data of the first processor 1001 to other devices.
  • a user interface 1005 such as a keypad, display, speaker, microphone, joystick, may also be provided.
  • the first processor 1001 is responsible for managing the first bus 1000 and the usual processing, running the general purpose operating system as described above.
  • the first memory 1004 can be used to store data used by the first processor 1001 in performing operations.
  • the first processor 1001 may be a CPU, an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a CPLD (Complex Programmable Logic). Device, complex programmable logic device).
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic
  • the first processor 1001 is further configured to: receive a downlink control information DCI feedback message within a specified time window after the uplink scheduling transmission ends; and if the DCI feedback message is received,
  • the uplink scheduling grant signaling UL Grant presence resource scheduling information and the new data indication NDI in the DCI feedback message are the first value, and the first data is sent by scheduling retransmission on the corresponding resource allocated by the UL Grant. .
  • the first processor 1001 is further configured to: receive a DCI feedback message within a specified time window after the uplink scheduling transmission ends; if the DCI feedback message is received, and the DCI feedback message is received,
  • the UL Grant has resource scheduling information and the NDI is a second value, and the remaining data of the first data is sent on a corresponding resource allocated by the UL Grant.
  • the first processor 1001 is further configured to: receive a DCI feedback message within a specified time window after the uplink scheduling transmission ends; if the DCI feedback message is received, and the DCI feedback message is received, The UL Grant does not have resource scheduling information and the NDI is the first value, and the first data is sent by means of scheduling-free retransmission.
  • the first processor 1001 is further configured to: receive a DCI feedback message within a specified time window after the uplink scheduling transmission ends; if the DCI feedback message is not received, statically on the network side Or transmitting the second data by means of uplink unscheduled transmission on the semi-statically pre-allocated resources.
  • a network side device including a second memory, a second processor, and being stored on the second memory and operable on the second processor a computer program, when the second processor executes the program, the following steps are performed: receiving a first data and a buffer status report sent by the user equipment UE by using an uplink unscheduled transmission; according to the receiving situation of the first data and the The buffer status report determines a feedback message, and sends the feedback message to the UE, where the feedback message is used to notify the UE of the reception status of the first data, and notify the UE whether the UE needs to retransmit the first A data or whether it is necessary to transmit the remaining data of the first data.
  • a bus architecture (represented by a second bus 1100), the second bus 1100 can include any number of interconnected buses and bridges, and the second bus 1100 will include one or more represented by the second processor 1104.
  • the various circuits of the processor and the memory represented by the second memory 1105 are linked together.
  • the second bus 1100 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art and, therefore, will not be further described herein.
  • the second bus interface 1103 provides an interface between the second bus 1100 and the second transceiver 1101.
  • the second transceiver 1101 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • the data processed by the second processor 1104 is transmitted over the wireless medium by the second antenna 1102. Further, the second antenna 1102 also receives the data and transmits the data to the second processor 1104.
  • the second processor 1104 is responsible for managing the second bus 1100 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the second memory 1105 can be used to store data used by the second processor 1104 when performing operations.
  • the second processor 1104 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • the end time of the uplink unscheduled transmission is T1
  • the network side sends the feedback message to the UE at time T1+k, where k is a positive integer.
  • the value of the k is agreed in the protocol or configured by the network side.
  • Some optional embodiments of the present disclosure further provide a computer readable storage medium having stored thereon a computer program (instruction), the program (instruction) being executed by the processor to implement the following steps: transmitting by using an uplink unscheduled transmission And the data transmission mode is determined according to the situation of receiving the feedback message on the network side; wherein the feedback message is obtained by the network side according to the receiving condition of the first data and the buffer status report.
  • a computer program instruction
  • the program when executed by the processor, the following steps are implemented: receiving the downlink control information DCI feedback message within a specified time window after the uplink schedule-free transmission ends; If the DCI feedback message is received, and the uplink scheduling grant signaling UL Grant in the DCI feedback message has resource scheduling information and the new data indicates that the NDI is the first value, scheduling is performed on the corresponding resource allocated by the UL Grant.
  • the first data is transmitted in a retransmission manner.
  • the following steps are implemented: receiving a DCI feedback message within a specified time window after the end of the uplink schedule-free transmission; if receiving the DCI feedback message, The UL Grant in the DCI feedback message has resource scheduling information and the NDI is a second value, and the remaining data of the first data is sent on the corresponding resource allocated by the UL Grant.
  • the program instruction
  • the following steps are implemented: receiving a DCI feedback message within a specified time window after the end of the uplink schedule-free transmission; if receiving the DCI feedback message, The UL Grant in the DCI feedback message does not have the resource scheduling information and the NDI is the first value, and the first data is sent by the unscheduled retransmission.
  • the following steps are implemented: receiving the DCI feedback message within the specified time window after the end of the uplink schedule-free transmission; if the DCI feedback message is not received Transmitting the second data by means of uplink unscheduled transmission on the static or semi-static pre-allocated resources on the network side.
  • Some optional embodiments of the present disclosure further provide a computer readable storage medium having stored thereon a computer program (instruction), the program (instruction) being executed by the processor to implement the following steps: receiving the user equipment UE by using the uplink Scheduling the first data and the buffer status report sent by the transmission; determining a feedback message according to the receiving condition of the first data and the buffer status report; sending the feedback message to the UE, the feedback message is used to notify the Receiving, by the UE, the first data, and notifying the UE whether the UE needs to retransmit the first data or whether to send the remaining data of the first data.
  • system and “network” are used interchangeably herein.
  • B corresponding to A means that B is associated with A, and B can be determined from A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed method and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network side device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, and the program code can be stored. Medium.

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

Abstract

Les modes de réalisation de la présente invention concernent un appareil et un procédé de transmission, le procédé comprenant les étapes suivantes : un UE envoie des premières données portant un rapport d'état de tampon au moyen d'une transmission non programmée de liaison montante ; sur la base de la condition de réception d'un message de rétroaction du côté réseau, l'UE détermine un mode de transmission de données ; le message de rétroaction est obtenu par le côté réseau sur la base de l'état de réception des premières données et du rapport d'état de tampon.
PCT/CN2018/078467 2017-03-13 2018-03-08 Appareil et procédé de transmission WO2018166400A1 (fr)

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CN109982380A (zh) * 2019-04-03 2019-07-05 成都中科微信息技术研究院有限公司 一种电力无线通信系统中的传输模式选择方法
CN112399577A (zh) * 2019-08-16 2021-02-23 索尼公司 用于无线通信的电子设备和方法、计算机可读存储介质

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