WO2022121908A1 - 数据接收方法、装置、终端及可读存储介质 - Google Patents

数据接收方法、装置、终端及可读存储介质 Download PDF

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Publication number
WO2022121908A1
WO2022121908A1 PCT/CN2021/136161 CN2021136161W WO2022121908A1 WO 2022121908 A1 WO2022121908 A1 WO 2022121908A1 CN 2021136161 W CN2021136161 W CN 2021136161W WO 2022121908 A1 WO2022121908 A1 WO 2022121908A1
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Prior art keywords
data
terminal
harq
information
network device
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English (en)
French (fr)
Inventor
张艳霞
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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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
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a buffer report transmission method, a terminal, and a scheduling device.
  • the network device may configure the terminal to disable uplink feedback on downlink data, and transmit downlink data by means of blind scheduling. At this time, the network device may schedule the terminal to receive the same data at multiple resource locations, so that the terminal needs to receive the same data multiple times, resulting in a large power consumption of the terminal.
  • NTN non-terrestrial Networks
  • Embodiments of the present application provide a data receiving method, apparatus, terminal, and readable storage medium, which can solve the problem that a network device schedules a terminal to receive the same data at multiple resource locations, resulting in large power consumption of the terminal.
  • a data receiving method including:
  • the terminal stops receiving the target data when the first data is successfully decoded
  • the target data is the first data retransmitted by the network device; the first data is transmitted through the first hybrid automatic repeat request HARQ process, and the uplink feedback of the first HARQ process is disabled.
  • a data receiving device including:
  • a transmission module used for the terminal to stop receiving the target data when the first data is successfully decoded
  • the target data is the first data retransmitted by the network device; the first data is transmitted through the first hybrid automatic repeat request HARQ process, and the uplink feedback of the first HARQ process is disabled.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction, and implement the first aspect the method described.
  • a program product is provided, the program product is stored in a non-transitory storage medium, the program product is executed by at least one processor to implement the method of the first aspect.
  • the terminal stops receiving target data when the first data is successfully decoded; wherein, the target data is the first data retransmitted by the network device; the first data is transmitted through the first HARQ process , the uplink feedback of the first HARQ process is disabled. In this way, it can be avoided that the terminal continues to receive the first data on the subsequent retransmission resources of the first data, resulting in unnecessary power consumption. Therefore, the embodiment of the present application reduces the power consumption of the terminal.
  • FIG. 1 is a structural diagram of a network system to which an embodiment of the present application can be applied;
  • FIG. 2 is a flowchart of a data receiving method provided by an embodiment of the present application.
  • FIG. 3 is a structural diagram of a data receiving apparatus provided by an embodiment of the present application.
  • FIG. 4 is one of the structural diagrams of a terminal provided by an embodiment of the present application.
  • FIG. 5 is a second structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • NR terminology is used in most of the following description, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation, 6G) communication system.
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • the network device 12 may be a base station or a core network, where the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmission and Reception Point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary, it should be noted that in the embodiment of this application, only NR is used The base station in the system is taken as an example, but the specific type of the base station is not limited.
  • the network device will allocate downlink resources through downlink scheduling signaling to allow the terminal to receive data.
  • the network equipment configures the period of periodic downlink resources through Radio Resource Control (RRC) signaling, and indicates the starting position of the periodic downlink resources through downlink scheduling signaling. Start from the starting position, and periodically use subsequent resource positions to receive downlink data.
  • RRC Radio Resource Control
  • the resource repetition period configured by the network device is 2 symbols
  • the downlink control information Downlink Control Information, DCI
  • the terminal receives data at the corresponding resource position every two symbols from the starting resource.
  • the network device sends scheduling signaling on the Physical Downlink Control Channel (PDCCH), the terminal receives data on the Physical Downlink Shared Channel (PDSCH), and receives the time-frequency resources required for data on the PDSCH Indicated by DCI.
  • the terminal After receiving the scheduling signaling, the terminal must attempt to receive data on the PDSCH under normal circumstances (for example, the terminal does not switch a working bandwidth part (Bandwidth Part, BWP)).
  • BWP bandwidth part
  • an attempt is made to decode the received data. If the decoding is successful, a positive acknowledgment (Acknowledgement, ACK) is fed back to indicate that the network device has successfully received, and the subsequent network device does not continue to schedule the terminal to receive the same data. If the decoding is unsuccessful, a negative acknowledgment (Negative Acknowledgement, NACK) is fed back to indicate that the network device has not received the data successfully, and the subsequent network device can reschedule the terminal to receive the same data.
  • Acknowledgement ACK
  • the network device may configure the terminal to disable uplink feedback on downlink data, and transmit downlink data by means of blind scheduling. That is to say, the network device is not based on the uplink feedback of the terminal, and the network device can schedule the terminal to receive the same data at multiple resource locations. In the case that the terminal has successfully decoded the data, if it continues to receive the same data, it will cause unnecessary power consumption, for which the solution of the present application is proposed.
  • FIG. 2 is a flowchart of a data receiving method provided by an embodiment of the present application. The method is executed by a terminal, as shown in FIG. 2, and includes the following steps:
  • Step 201 the terminal stops receiving the target data when the first data is successfully decoded
  • the target data is the first data retransmitted by the network device; the first data is transmitted through a first hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) process, and the uplink of the first HARQ process Feedback is disabled.
  • HARQ Hybrid Automatic Repeat reQuest
  • the uplink feedback of the first HARQ process is disabled means that the terminal does not need to feed back the data sent by the network device through the first HARQ process, that is, feedback to the network device whether the data is successfully received (ACK) or unsuccessfully received (NACK).
  • the network device may perform downlink allocation for the terminal, and the downlink allocation may be understood as transmission resources of the first data, which may specifically include resources for retransmitting the first data and retransmission resources for retransmitting the first data.
  • Transmission resources where the resources used for newly transmitting the first data may be understood as the resources used for transmitting the first data for the first time, and the first data may be understood as downlink data.
  • the terminal may attempt to receive the first data through the first HARQ process based on the transmission resources allocated by the network device.
  • the network device may configure the terminal to disable the feedback of the above-mentioned first HARQ process. At this time, regardless of whether the terminal receives the above-mentioned first data, it will not feed back the hybrid automatic retransmission request to the network device. Response (Hybrid Automatic Repeat reQuest Acknowledgement, HARQ-ACK).
  • HARQ-ACK Hybrid Automatic Repeat reQuest Acknowledgement
  • each time the terminal receives the first data through the first HARQ process it may determine whether the currently received first data is decoded successfully, and if the decoding is successful, the terminal stops receiving network device replays. Therefore, the terminal can avoid receiving the first data on the subsequent retransmission resources of the first data, causing unnecessary power consumption and waste of power.
  • the terminal stops receiving target data when the first data is successfully decoded; wherein, the target data is the first data retransmitted by the network device; the first data is transmitted through the first HARQ process , the uplink feedback of the first HARQ process is disabled. In this way, it can be avoided that the terminal continues to receive the first data on the subsequent retransmission resources of the first data, resulting in unnecessary power consumption. Therefore, the embodiment of the present application reduces the power consumption of the terminal.
  • the terminal stopping receiving the target data includes:
  • the physical layer of the terminal stops receiving the target data.
  • stopping the reception of target data is performed by the physical layer.
  • the physical layer can perform the behavior of stopping receiving the target data by itself (for example, through the internal interaction of the terminal, the physical layer learns that the first data has been successfully decoded, and then stops receiving the first data retransmitted by the network device), and the physical layer can also The behavior of stopping receiving the target data is performed based on the instructions of other layers.
  • the medium access control (Medium Access Control, MAC) layer may instruct the physical layer to perform the behavior of stopping receiving the target data.
  • the above-mentioned terminal stops receiving the target data including:
  • the medium access control MAC layer of the terminal sends the first indication information to the physical layer
  • the physical layer of the terminal stops receiving the target data according to the first indication information.
  • the MAC layer includes a MAC entity, a HARQ entity, and a HARQ process.
  • the MAC entity, the HARQ entity, and the HARQ process may send indication information to the physical layer to instruct the physical layer to stop receiving describe the target data.
  • the first indication information sent by the MAC layer of the terminal to the physical layer includes at least one of the following:
  • the HARQ entity of the terminal sends the second sub-indication information to the physical layer
  • the HARQ process of the terminal sends third sub-indication information to the physical layer.
  • first sub-indication information, second sub-indication information, and third indication information have the same functions, and are all used to instruct the physical layer to stop receiving the target data.
  • contents carried by the first sub-indication information, the second sub-indication information, and the third sub-indication information may be the same or different, which are not further limited herein.
  • instructing the physical layer to stop receiving the first data includes the following situations:
  • the MAC entity receives the first downlink assignment sent by the network device, determines through interaction within the MAC layer that the first downlink assignment is a retransmission resource of the first data, and the first downlink assignment is a retransmission resource of the first data. If the data has been successfully decoded, the MAC entity instructs the physical layer to stop receiving the first data corresponding to the first downlink allocation.
  • the network device indicates the downlink resources required for four data transmissions through a scheduling signaling (such as DCI).
  • the MAC entity determines through the interaction in the MAC layer that the first data has been successfully decoded and outdated, and instructs the physical layer to stop receiving subsequent retransmissions.
  • instructing the physical layer to stop receiving the first data includes the following situations:
  • the HARQ entity receives HARQ information corresponding to the first downlink assignment, and determines, based on the interaction within the MAC layer, that the first downlink assignment is a retransmission resource of the first data and that the first data has been successfully decoded , the HARQ entity instructs the physical layer to stop receiving the first data retransmitted by the network device.
  • the network device configures downlink aggregated transmission for the terminal, and if the HARQ entity determines that the first data has been successfully decoded, it instructs the physical layer to stop receiving the subsequent retransmitted first data. For example, the HARQ entity determines that the newly transmitted first data transmitted in the aggregated transmission mode has been successfully decoded, and instructs the physical layer to stop receiving the retransmitted first data transmitted in the aggregated transmission mode.
  • the network device is configured with semi-static resources and the semi-static resources are configured with downlink aggregated transmission. If the HARQ entity determines that the first data has been successfully decoded, it instructs the physical layer to stop receiving subsequent retransmission data. For example, the HARQ entity determines that the newly transmitted first data transmitted in the aggregated transmission mode has been successfully decoded, and instructs the physical layer to stop receiving the retransmitted first data transmitted in the aggregated transmission mode.
  • instructing the physical layer to stop receiving the first data includes the following situations:
  • the HARQ process determines based on the received HARQ information associated with the first downlink allocation that the first downlink allocation is a retransmission resource for the first data, and the first data has been successfully decoded, and the HARQ process instructs the physical layer to stop receiving The first data retransmitted by the network device.
  • the method further includes:
  • the MAC entity determines that the first downlink allocation is the retransmission resource of the first data, the MAC entity stops sending target information to the HARQ entity associated with the first downlink allocation;
  • the target information includes second indication information and HARQ information associated with the first downlink assignment, where the second indication information is used to indicate that the first downlink assignment exists.
  • the MAC entity stops sending the target information to the HARQ entity associated with the first downlink assignment, which can be understood as the MAC entity does not send the target information to the HARQ entity associated with the first downlink assignment, that is, the MAC entity does not send the target information to the HARQ entity associated with the first downlink assignment. target information.
  • the embodiments of the present application are applied to a dynamic scheduling scenario.
  • a network device dynamically schedules a terminal to perform downlink reception. Since the physical layer will stop receiving the first data after the MAC entity indicates the first sub-indication information to the physical layer, the MAC entity does not indicate the existence of the first downlink assignment to the HARQ entity, and does not indicate the first downlink assignment to the HARQ entity.
  • the HARQ information associated with the row allocation is sent to the HARQ entity, which can prevent the HARQ entity and the HARQ process from executing invalid processing procedures, thereby improving the system performance of the terminal.
  • the method further includes:
  • the HARQ entity determines that the first downlink assignment associated with the received HARQ information is the retransmission resource of the first data, the HARQ entity stops associating the HARQ information associated with the first downlink assignment Directed to the HARQ process corresponding to the HARQ information.
  • the fact that the HARQ entity stops directing the HARQ information associated with the first downlink assignment to the HARQ process corresponding to the HARQ information can be understood as: the HARQ entity does not direct the HARQ information associated with the first downlink assignment The information is directed to the HARQ process corresponding to the HARQ information (such as The HARQ entity does not direct HARQ information to the corresponding HARQ processes).
  • the embodiments of the present application are applied to a dynamic scheduling scenario.
  • a network device dynamically schedules a terminal to perform downlink reception. Since the physical layer will stop receiving the first data after the MAC entity receives the HARQ information corresponding to the first downlink assignment, the HARQ entity does not direct the HARQ information associated with the first downlink assignment to the HARQ information corresponding to the HARQ information.
  • the HARQ process can prevent the HARQ process from executing an invalid processing flow, thereby improving the system performance of the terminal.
  • the content contained in the above-mentioned first indication information can be set according to actual needs.
  • the above-mentioned first indication information includes at least one of the following: downlink allocation information and HARQ process information.
  • the downlink allocation information can be understood as: if the MAC layer confirms that the first downlink allocation is the retransmission resource of the first data and the first data has been successfully decoded, it instructs the physical layer to stop receiving the corresponding first downlink allocation. Downlink data.
  • the MAC confirms that the first downlink allocation is the retransmission resource of the first data and the first data has been successfully decoded, it instructs the physical layer to stop Data corresponding to the first HARQ process is received.
  • the above-mentioned first indication information is used to indicate any of the following: the physical layer stops receiving the first data retransmitted by the network device next time, and the physical layer stops receiving the first data successfully decoded Afterwards, the network device all retransmits the first data.
  • the first indication information of the MAC layer may instruct the physical layer to stop receiving the first data retransmitted by the network device only once, or may instruct the physical layer to stop receiving the first data retransmitted by the network device multiple times. a data.
  • the network device configures downlink aggregation transmission for the terminal.
  • the downlink aggregation transmission factor for example, PDSCH-AggregationFactor
  • the physical layer is instructed to stop receiving the data.
  • the first data retransmitted by the subsequent network device.
  • the MAC layer can send the first indication information three times, respectively instructing the physical layer to stop receiving the first data retransmitted by the network device for the first time, the second retransmission and the third retransmission.
  • the first indication information may also be sent once to instruct the physical layer to stop receiving the first data retransmitted by the network device for the first time, the second retransmission, and the third retransmission.
  • the behavior of the terminal to stop receiving the target data includes at least one of the following:
  • the terminal discards the retransmission resources allocated by the network device
  • the terminal ignores the retransmission resources allocated by the network device
  • the terminal stops receiving data at the resource position corresponding to the retransmission resource allocated by the network device;
  • the retransmission resource is a resource used by the network device to retransmit the first data.
  • the above-mentioned retransmission resource refers to a resource used for retransmitting the first data after the first data is successfully decoded. It should be understood that stopping receiving data may be understood as not attempting to receive data.
  • the network device For the terminal to discard the retransmission resources allocated by the network device, for example, the network device allocates resources at time t1 to newly transmit the first data, and allocates resources at time t2 to retransmit the first data. resource of the received first data, the UE discards the resource allocated at the t2 time for retransmitting the first data.
  • the network device For the terminal to ignore the retransmission resources, for example, the network device allocates resources at time t1 to newly transmit the first data, and allocates resources at time t2 to retransmit the first data, if it has successfully decoded and received the resources allocated at time t1 If the first data arrives, the UE ignores the resources allocated at the time of t2 for retransmitting the first data.
  • the network device For the terminal to stop receiving data at the resource position corresponding to the retransmission resource, for example, the network device allocates resources at time t1 to newly transmit the first data, and allocates resources at time t2 to retransmit the first data, if the decoding has been successful If the first data is received through the resource allocated at time t1, the UE stops receiving or does not attempt to receive the first data at the resource position allocated at time t2 for retransmitting the first data.
  • the method before the terminal stops receiving the target data, the method further includes:
  • the terminal determines the retransmission resource according to a target parameter, wherein the target parameter includes at least one of HARQ information associated with the first downlink allocation and retransmission information configured by the network device.
  • whether the downlink allocation is a retransmission resource of the first data may be determined based on at least one of HARQ information and retransmission information.
  • the HARQ information when HARQ information is used to determine the retransmission resource, includes a New Data Indicator (NDI) parameter value, and the terminal is associated according to the first downlink allocation
  • NDI New Data Indicator
  • the HARQ information to determine the retransmission resource includes:
  • the terminal determines that the first downlink allocation is the retransmission resource when the NDI parameter value associated with the first downlink allocation has not changed from the last scheduling.
  • the NDI field may be an extended parameter field (eg, two bits). Since uplink feedback is disabled, when some DCI is lost, the terminal may incorrectly judge whether the DCI carries retransmission resources or new transmission resources.
  • the extended NDI can further ensure the correctness of the terminal to determine whether the downlink resource is a retransmission resource or a new transmission resource.
  • the terminal receives the first downlink assignment (that is, the downlink scheduling), and determines that the NDI parameter associated with the first downlink assignment is relative to the last The scheduling of a HARQ process has not changed, so it is determined that the first downlink allocation is the retransmission resource of the first data.
  • the retransmission information when retransmission information is used to determine the retransmission resource, includes the number of times of retransmission of the first data.
  • the execution body may be a data receiving apparatus, or a control module in the data receiving apparatus for executing the data receiving method.
  • the data receiving device provided by the embodiment of the present application is described by taking the data receiving device executing the data receiving method as an example.
  • FIG. 3 is a structural diagram of a data receiving apparatus provided by an embodiment of the present application. As shown in FIG. 3, the data receiving apparatus 300 includes:
  • the transmission module 301 is used for the terminal to stop receiving the target data when the first data is successfully decoded
  • the target data is the first data retransmitted by the network device; the first data is transmitted through the first HARQ process, and the uplink feedback of the first HARQ process is disabled.
  • the transmission module 301 is specifically configured to: stop the physical layer of the terminal from receiving the target data.
  • the transmission module 301 includes:
  • a first transmission unit used for the medium access control MAC layer of the terminal to send the first indication information to the physical layer
  • the second transmission unit is used for the physical layer of the terminal to stop receiving the target data according to the first indication information.
  • the first transmission unit is specifically configured to perform at least one of the following:
  • the HARQ entity of the terminal sends the second sub-indication information to the physical layer
  • the HARQ process of the terminal sends third sub-indication information to the physical layer.
  • the first transmission unit is further configured to: when the MAC entity determines that the first downlink allocation is a retransmission resource of the first data, the MAC entity stops sending the first downlink allocation to the first downlink resource.
  • the HARQ entity associated with the row allocation sends the target information;
  • the target information includes second indication information and HARQ information associated with the first downlink assignment, where the second indication information is used to indicate that the first downlink assignment exists.
  • the first transmission unit is further configured to: when the HARQ entity determines that the first downlink allocation associated with the received HARQ information is the retransmission resource of the first data, the HARQ The entity stops directing the HARQ information associated with the first downlink assignment to the HARQ process corresponding to the HARQ information.
  • the first indication information is used to indicate any one of the following: the physical layer stops receiving the first data retransmitted by the network device next time, and the physical layer stops receiving the first data All the first data retransmitted by the network device after decoding is successful.
  • the first indication information includes at least one of the following: downlink allocation information and HARQ process information.
  • the behavior of the terminal to stop receiving the target data includes at least one of the following:
  • the retransmission resource is a resource used by the network device to retransmit the first data.
  • the data receiving apparatus 300 further includes:
  • the first determining module is used for the terminal to determine the retransmission resource according to a target parameter, wherein the target parameter includes at least one of HARQ information associated with the first downlink allocation and retransmission information configured by the network device.
  • the HARQ information includes a new data indication NDI parameter value
  • the first determining module is specifically configured to: the NDI parameter value associated with the first downlink allocation of the terminal does not change from the last scheduling When , it is determined that the first downlink allocation is the retransmission resource.
  • the retransmission information includes the number of retransmissions of the first data.
  • the data receiving apparatus 300 further includes:
  • the second determination module is used for the terminal to determine whether the decoding of the first data received through the first HARQ process is successful.
  • the network device provided in this embodiment of the present application can implement each process in the method embodiment of FIG. 2 , and in order to avoid repetition, details are not repeated here.
  • the data receiving apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the data receiving apparatus in this embodiment of the present application may be an apparatus having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the data receiving apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a terminal 400, including a processor 401, a memory 402, a program or instruction stored in the memory 402 and executable on the processor 401, the When the program or the instruction is executed by the processor 401, each process of the above data receiving method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510.
  • the terminal 500 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation to the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 506 may include a display panel 5061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072 .
  • the touch panel 5071 is also called a touch screen.
  • the touch panel 5071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
  • the radio frequency unit 501 receives the downlink data from the network device, and then processes it to the processor 510; in addition, sends the uplink data to the network device.
  • the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 509 may be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.
  • the radio frequency unit 501 is used for the terminal to stop receiving the target data when the first data is successfully decoded
  • the target data is the first data retransmitted by the network device; the first data is transmitted through the first HARQ process, and the uplink feedback of the first HARQ process is disabled.
  • the above-mentioned processor 510 and the radio frequency unit 501 can implement each process implemented by the terminal in the method embodiment of FIG. 2 , which is not repeated here to avoid repetition.
  • the embodiments of the present application further provide a readable storage medium, the readable storage medium may be volatile or non-volatile, and a program or an instruction is stored on the readable storage medium, the program or When the instruction is executed by the processor, each process of the above data receiving method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above data receiving method embodiments
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a program or an instruction to implement the above data receiving method embodiments
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.

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Abstract

本申请公开了一种数据接收方法、装置、终端及可读存储介质。该方法包括：终端在第一数据解码成功的情况下，停止接收目标数据；其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。

Description

数据接收方法、装置、终端及可读存储介质
相关申请的交叉引用
本申请主张在2020年12月10日在中国提交的中国专利申请号No.202011455692.0的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种缓存报告传输方法、终端及调度设备。
背景技术
随着通信技术的发展，在通信机制中，当终端接收到下行调度时，必须接收所述下行调度对应的下行数据并且进行上行反馈，以提高传输的可靠性。然而在非地面网络(Non-Terrestrial Networks，NTN)场景下，网络设备可能配置终端禁用对下行数据的上行反馈，采用诸如盲调度的方式传输下行数据。此时，网络设备可以调度终端在多个资源位置上接收相同的数据，这样，使得终端需要多次接收相同的数据，导致终端的电量损耗较大。
发明内容
本申请实施例提供一种数据接收方法、装置、终端及可读存储介质，能够解决网络设备调度终端在多个资源位置上接收相同的数据，导致终端的电量损耗较大的问题。
第一方面，提供了一种数据接收方法，包括：
终端在第一数据解码成功的情况下，停止接收目标数据；
其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
第二方面，提供了一种数据接收装置，包括：
传输模块，用于终端在第一数据解码成功的情况下，停止接收目标数据；
其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
第三方面，提供了一种终端，该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第四方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤。
第五方面，本申请实施例提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法。
第六方面，提供了一种程序产品，所述程序产品被存储在非瞬态的存储介质中，所述程序产品被至少一个处理器执行以实现如第一方面所述的方法。
本申请实施例通过终端在第一数据解码成功的情况下，停止接收目标数据；其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。这样，可以避免终端在第一数据的后续重传资源上继续接收第一数据，造成不必要的耗电。因此，本申请实施例降低了终端的电量损耗。
附图说明
图1是本申请实施例可应用的一种网络系统的结构图；
图2是本申请实施例提供的一种数据接收方法的流程图；
图3是本申请实施例提供的一种数据接收装置的结构图；
图4是本申请实施例提供的一种终端的结构图之一；
图5是本申请实施例提供的一种终端的结构图之二。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是 全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备，可穿戴式设备包括：手环、耳机、眼镜等。需 要说明的是，在本申请实施例并不限定终端11的具体类型。网络设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
为了方便理解，以下对本申请实施例涉及的一些内容进行说明：
在新空口(New Radio，NR)通信机制中，支持动态调度和半静态调度两种方式调度终端接收下行数据。其中，对于动态调度，每次调度终端接收数据之前，网络设备会通过下行调度信令分配下行资源以让终端接收数据。对于半静态调度，网络设备通过无线资源控制(Radio Resource Control，RRC)信令配置周期性下行资源的周期，通过下行调度信令指示周期性下行资源的起始位置，终端从网络设备指示的资源起始位置开始，周期性的使用后续的资源位置接收下行数据。例如，网络设备配置的资源重复周期是2个符号，通过下行控制信息(Downlink Control Information，DCI)指示资源开始的起始位置是系统帧号(System frame number，SFN)为0的第一个子帧，则终端从该起始资源开始每隔两个符号在对应资源位置上接收数据。
网络设备在物理下行控制信道(Physical downlink control channel，PDCCH)下发调度信令，终端在物理下行共享信道(Physical downlink shared channel，PDSCH)上接收数据，在PDSCH上接收数据所需的时频资源通过DCI指示。在现有机制中，终端接收到调度信令后，正常情况下(如，终端没有发生工作带宽(Bandwidth Part，BWP)切换)必须在PDSCH上尝试接收数据。当接收到数据后，会尝试对接收到的数据进行解码。如果解码成功，则反馈肯定确认(Acknowledgement，ACK)指示网络设备已成功接收，后续网络设备不继续调度终端接收相同的数据。如果解码不成功，则反馈否定确认(Negative Acknowledgement，NACK)指示网络设备未成功接收，后续网络设备可重新 调度终端接收相同的数据。
但是在NTN场景下，网络设备可能配置终端禁用对下行数据的上行反馈，采用诸如盲调度的方式传输下行数据。也就是说，网络设备不基于终端的上行反馈，网络设备可以调度终端在多个资源位置上接收相同的数据。在终端已经成功解码过所述数据的情况下，如果还继续进行相同数据的接收，会导致不必要的耗电，为此提出了本申请的方案。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的数据接收方法、装置、终端及可读存储介质进行详细地说明。
请参见图2，图2是本申请实施例提供的一种数据接收方法的流程图，该方法由终端执行，如图2所示，包括以下步骤：
步骤201，终端在第一数据解码成功的情况下，停止接收目标数据；
其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)进程传输，所述第一HARQ进程的上行反馈被禁用。可以理解的，所述第一HARQ进程的上行反馈被禁用是指终端无需对网络设备通过第一HARQ进程发送的数据进行反馈，即向网络设备反馈是成功接收(ACK)或未成功接收(NACK)。
本申请实施例中，网络设备可以为终端进行下行分配，该下行分配可以理解为第一数据的传输资源，具体可以包括用于新传第一数据的资源以及用于重传第一数据的重传资源，其中，用于新传第一数据的资源可以理解为第一次传输第一数据的资源，该第一数据可以理解为下行数据。终端可以基于网络设备分配的传输资源通过第一HARQ进程尝试进行第一数据的接收。
可选地，网络设备在为终端分配下行分配时，可以配置终端禁用上述第一HARQ进程的反馈，此时终端无论是否接收到上述第一数据，将不会向网络设备反馈混合自动重传请求应答(Hybrid Automatic Repeat reQuest Acknowledgement，HARQ-ACK)。
应理解，本申请实施例中，终端在每次通过第一HARQ进程接收第一数据时，可以确定当前接收到的第一数据是否解码成功，在解码成功的情况下，则停止接收网络设备重传的所述第一数据，从而可以避免终端在第一数据的后续重传资源上进行接收第一数据，造成不必要的耗电，使得电能浪费。
本申请实施例通过终端在第一数据解码成功的情况下，停止接收目标数据；其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。这样，可以避免终端在第一数据的后续重传资源上继续接收第一数据，造成不必要的耗电。因此，本申请实施例降低了终端的电量损耗。
可选地，在一些实施例中，所述终端停止接收目标数据包括：
所述终端的物理层停止接收所述目标数据。
换句话说，在本申请实施例中，停止接收目标数据是由物理层执行的。应理解，物理层可以自行执行停止接收目标数据的行为(如通过终端内部交互，物理层获知第一数据已经成功解码，则停止接收网络设备重传的所述第一数据)，物理层也可以基于其他层的指示执行停止接收目标数据的行为，例如，在一些实施例中，可以由媒体接入控制(Medium Access Control，MAC)层指示物理层执行停止接收目标数据的行为。此时，上述终端停止接收目标数据包括：
所述终端的媒体接入控制MAC层向物理层发送第一指示信息；
所述终端的物理层根据所述第一指示信息停止接收所述目标数据。
本申请实施例中，MAC层包括MAC实体、HARQ实体和HARQ进程，具体可以由MAC实体、HARQ实体和HARQ进程中的一项或者多项向物理层发送指示信息，以指示物理层停止接收所述目标数据。换句话说，在一些实施例中，所述终端的MAC层向物理层发送第一指示信息包括以下至少一项：
所述MAC实体向所述物理层发送第一子指示信息；
所述终端的HARQ实体向所述物理层发送第二子指示信息；
所述终端的HARQ进程向所述物理层发送第三子指示信息。
本申请实施例中，上述第一子指示信息、第二子指示信息和第三指示信息的作用相同，均用于指示物理层停止接收所述目标数据。然而第一子指示信息、第二子指示信息和第三指示信息所携带的内容可以相同也可以不同，在此不做进一步地限定。
针对MAC实体向所述物理层发送第一子指示信息，指示物理层停止接 收第一数据包括以下情况：
在一些实施例中，对于动态调度，假设MAC实体接收到网络设备发送的第一下行分配，通过MAC层内交互确定第一下行分配是第一数据的重传资源，并且所述第一数据已经成功解码过，则MAC实体指示物理层停止接收所述第一下行分配对应的第一数据。
在一些实施例中，网络设备给终端配置下行聚合传输，例如PDSCH聚合(PDSCH-Aggregation)功能，简单理解为如RRC配置下行聚合传输因子PDSCH-AggregationFactor＝4，表示新传之后网络设备还会有三次重传，网络设备通过一个调度信令(如DCI)指示四次数据传输所需要的下行资源，MAC实体通过MAC层内交互确定第一数据已经成功解码过时，则指示物理层停止接收后续重传的第一数据。例如，假设PDSCH-AggregationFactor＝4，MAC层确定新传的数据已经被成功解码的情况下，指示物理层停止接收后续的三次重传数据。
在一些实施例中，网络设备配置半静态资源且所述半静态资源配置了下行聚合传输，简单的理解为如RRC配置下行聚合传输因子PDSCH-AggregationFactor＝4，在每个周期内配置的半静态资源可用于新传和三次重传。MAC实体通过MAC层内交互确定第一数据已经成功解码过时，则MAC实体指示物理层停止接收后续的网络重传的所述第一数据。例如，假设PDSCH-AggregationFactor＝4，若MAC层确定新传的数据已经被成功解码的情况下，指示物理层停止接收后续的三次重传数据。
针对HARQ实体向所述物理层发送第二子指示信息，指示物理层停止接收第一数据包括以下情况：
在一些实施例中，HARQ实体接收到第一下行分配对应的HARQ信息，基于MAC层内交互确定所述第一下行分配是第一数据的重传资源并且所述第一数据已经成功解码时，HARQ实体则指示物理层停止接收网络设备重传的所述第一数据。
在一些实施例中，网络设备给终端配置下行聚合传输，若HARQ实体确定第一数据已经成功解码，则指示物理层停止接收后续的重传的第一数据。例如HARQ实体确定通过聚合传输方式传输的新传第一数据已经成功解码， 则指示物理层停止接收通过聚合传输方式传输的重传第一数据。
在一些实施例中，网络设备配置半静态资源且所述半静态资源配置了下行聚合传输，若HARQ实体确定第一数据已经成功解码，则指示物理层停止接收后续的重传数据。例如，HARQ实体确定通过聚合传输方式传输的新传第一数据已经成功解码，则指示物理层停止接收通过聚合传输方式传输的重传第一数据。
针对HARQ进程向所述物理层发送第三子指示信息，指示物理层停止接收第一数据包括以下情况：
HARQ进程基于接收到的第一下行分配关联的HARQ信息确定所述第一下行分配是第一数据的重传资源，并且所述第一数据已经成功解码，HARQ进程则指示物理层停止接收网络设备重传的所述第一数据。
可选地，在一些实施例中，在所述MAC实体向所述物理层发送第一子指示信息的步骤之后，所述方法还包括：
在所述MAC实体确定第一下行分配是所述第一数据的重传资源的情况下，所述MAC实体停止向所述第一下行分配关联的HARQ实体发送目标信息；
其中，所述目标信息包括第二指示信息和所述第一下行分配关联的HARQ信息，所述第二指示信息用于指示存在所述第一下行分配。
应理解，MAC实体停止向所述第一下行分配关联的HARQ实体发送目标信息，可以理解为MAC实体不向所述第一下行分配关联的HARQ实体发送目标信息，即MAC实体不发送该目标信息。
本申请实施例应用于动态调度的场景，在动态调度过程中，由网络设备动态调度终端进行下行接收。由于在MAC实体向物理层指示第一子指示信息之后，物理层将停止接收第一数据，因此，MAC实体不将所述第一下行分配的存在指示给HARQ实体，以及不将第一下行分配关联的HARQ信息发送给HARQ实体，可以避免HARQ实体和HARQ进程执行无效的处理流程，从而提升了终端的系统性能。
可选地，在一些实施例中，在所述HARQ实体向所述物理层发送第二子指示信息的步骤之后，所述方法还包括：
在所述HARQ实体确定与接收到的HARQ信息关联的第一下行分配是所述第一数据的重传资源的情况下，所述HARQ实体停止将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程。
应理解，所述HARQ实体停止将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程可以理解为：所述HARQ实体不将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程(如The HARQ entity does not direct HARQ information to the corresponding HARQ processes)。
本申请实施例应用于动态调度的场景，在动态调度过程中，由网络设备动态调度终端进行下行接收。由于在MAC实体接收到第一下行分配对应的HARQ信息之后，物理层将停止接收第一数据，因此，HARQ实体不将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程，可以避免HARQ进程执行无效的处理流程，从而提升了终端的系统性能。
应理解上述第一指示信息所包含的内容可以根据实际需要进行设置，可选地，在一些实施中，上述第一指示信息包括以下至少一项：下行分配信息和HARQ进程信息。
针对下行分配信息可以理解为：假设MAC层确认第一下行分配是第一数据的重传资源并且所述第一数据已经成功解码，则指示物理层停止接收所述第一下行分配对应的下行数据。
针对HARQ进程信息可以理解为：假设第一数据通过第一HARQ进程传输，如果MAC确认第一下行分配是第一数据的重传资源并且所述第一数据已经成功解码，则指示物理层停止接收所述第一HARQ进程对应的数据。
应理解，上述第一指示信息用于指示以下任一项：所述物理层停止接收所述网络设备下一次重传的所述第一数据，所述物理层停止接收所述第一数据解码成功之后所述网络设备所有重传的所述第一数据。
本申请实施例中，MAC层的一次第一指示信息可以指示物理层只停止一次接收网络设备重传的所述第一数据，也可以指示物理层多次停止接收网络设备重传的所述第一数据。
示例性的，网络设备给终端配置下行聚合传输，例如，通过RRC配置下 行聚合传输因子(例如PDSCH-AggregationFactor)为4，MAC层成功解码网络设备新传的第一数据，则指示物理层停止接收后续网络设备重传的所述第一数据。如MAC层可发送三次第一指示信息，分别指示物理层停止接收网络设备第一次重传、第二次重传和第三次重传的所述第一数据。也可以发送一次第一指示信息，以指示物理层停止接收网络设备第一次重传、第二次重传以及第三次重传的所述第一数据。
可选地，在一些实施例中，所述终端停止接收目标数据的行为包括以下至少一项：
所述终端丢弃网络设备分配的重传资源；
所述终端忽略网络设备分配的重传资源；
所述终端在网络设备分配的重传资源对应的资源位置停止接收数据；
其中，所述重传资源为所述网络设备用于重传所述第一数据的资源。
本申请实施例中，上述重传资源是指在第一数据解码成功之后，用于重传第一数据的资源。应理解，停止接收数据可以理解为不尝试接收数据。
针对所述终端丢弃网络设备分配的重传资源，例如，网络设备在t1时间分配资源新传第一数据，在t2时间分配资源重传所述第一数据，如果已经成功解码通过t1时间分配的资源接收到的所述第一数据，则UE丢弃所述t2时间分配的重传所述第一数据的资源。
针对所述终端忽略所述重传资源，例如，网络设备在t1时间分配资源新传第一数据，在t2时间分配资源重传所述第一数据，如果已经成功解码通过t1时间分配的资源接收到的所述第一数据，则UE忽略所述t2时间分配的重传所述第一数据的资源。
针对所述终端在所述重传资源对应的资源位置停止接收数据，例如，网络设备在t1时间分配资源新传第一数据，在t2时间分配资源重传所述第一数据，如果已经成功解码通过t1时间分配的资源接收到的所述第一数据，则UE在所述t2时间分配的重传所述第一数据的资源位置上停止接收或者不尝试接收所述第一数据。
可选地，在一些实施例中，所述终端停止接收目标数据之前，所述方法还包括：
所述终端根据目标参数确定所述重传资源；其中，所述目标参数包括第一下行分配关联的HARQ信息和网络设备配置的重传信息中的至少一项。
本申请实施例中，可以基于HARQ信息和重传信息中的至少一项确定下行分配是否为所述第一数据的重传资源。
可选地，在一些实施例中，当采用HARQ信息确定所述重传资源时，所述HARQ信息包括新数据指示(New Data Indicator，NDI)参数值，所述终端根据第一下行分配关联的HARQ信息确定所述重传资源包括：
所述终端在所述第一下行分配关联的NDI参数值相对于上一次调度未发生改变时，确定所述第一下行分配是所述重传资源。
需要说明的，所述NDI域可以是扩展过的参数域(如两比特)。由于禁用上行反馈，因此当出现某些DCI丢失时，可能导致终端错误判断DCI携带的是重传资源还是新传资源。经过扩展NDI可以进一步保障终端判断下行资源是重传资源还是新传资源的正确性。
本申请实施例中，假设第一数据通过第一HARQ进程传输，终端接收第一下行分配(即下行调度)，判断出所述第一下行分配关联的NDI参数相对于上一次所述第一HARQ进程的调度未发生改变，因此判断所述第一下行分配是所述第一数据的重传资源。
可选地，在一些实施例中，当采用重传信息确定所述重传资源时，该重传信息包括所述第一数据的重传次数。
示例一，网络设备给终端配置下行聚合传输，例如通过RRC配置PDSCH-AggregationFactor＝4，网络设备通过下行调度信令提供了四个资源位置，则终端可以确定这个四个资源位置分别对应新传资源、第一次重传资源、第二次重传资源和第三次重传资源。
示例二，网络设备配置半静态资源和且所述半静态资源配置了下行聚合传输，例如通过RRC配置PDSCH-AggregationFactor＝4，网络设备在每个周期内给终端配置了四个半静态资源，则终端可以确定这个四个资源位置分别对应新传资源、第一次重传资源、第二次重传资源和第三次重传资源。
需要说明的是，本申请实施例提供的数据接收方法，执行主体可以为数据接收装置，或者，该数据接收装置中的用于执行数据接收方法的控制模块。 本申请实施例中以数据接收装置执行数据接收方法为例，说明本申请实施例提供的数据接收装置。
请参见图3，图3是本申请实施例提供的一种数据接收装置的结构图，如图3所示，数据接收装置300包括：
传输模块301，用于终端在第一数据解码成功的情况下，停止接收目标数据；
其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
可选地，所述传输模块301具体用于：所述终端的物理层停止接收所述目标数据。
可选地，所述传输模块301包括：
第一传输单元，用于所述终端的媒体接入控制MAC层向物理层发送第一指示信息；
第二传输单元，用于所述终端的物理层根据所述第一指示信息停止接收所述目标数据。
可选地，所述第一传输单元具体用于执行以下至少一项：
所述MAC实体向所述物理层发送第一子指示信息；
所述终端的HARQ实体向所述物理层发送第二子指示信息；
所述终端的HARQ进程向所述物理层发送第三子指示信息。
可选地，所述第一传输单元还用于：在所述MAC实体确定第一下行分配是所述第一数据的重传资源的情况下，所述MAC实体停止向所述第一下行分配关联的HARQ实体发送目标信息；
其中，所述目标信息包括第二指示信息和所述第一下行分配关联的HARQ信息，所述第二指示信息用于指示存在所述第一下行分配。
可选地，所述第一传输单元还用于：在所述HARQ实体确定与接收到的HARQ信息关联的第一下行分配是所述第一数据的重传资源的情况下，所述HARQ实体停止将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程。
可选地，所述第一指示信息用于指示以下任一项：所述物理层停止接收 所述网络设备下一次重传的所述第一数据，所述物理层停止接收所述第一数据解码成功之后所述网络设备所有重传的所述第一数据。
可选地，所述第一指示信息包括以下至少一项：下行分配信息和HARQ进程信息。
可选地，所述终端停止接收目标数据的行为包括以下至少一项：
丢弃网络设备分配的重传资源；
忽略网络设备分配的重传资源；
在网络设备分配的对应的资源位置停止接收数据；
其中，所述重传资源为所述网络设备用于重传所述第一数据的资源。
可选地，所述数据接收装置300还包括：
第一确定模块，用于所述终端根据目标参数确定所述重传资源；其中，所述目标参数包括第一下行分配关联的HARQ信息和网络设备配置的重传信息中的至少一项。
可选地，所述HARQ信息包括新数据指示NDI参数值，所述第一确定模块具体用于：所述终端在所述第一下行分配关联的NDI参数值相对于上一次调度未发生改变时，确定所述第一下行分配是所述重传资源。
可选地，所述重传信息包括所述第一数据的重传次数。
可选地，所述数据接收装置300还包括：
第二确定模块，用于所述终端确定通过所述第一HARQ进程接收到的所述第一数据是否解码成功。
本申请实施例提供的网络设备能够实现图2的方法实施例中各个过程，为避免重复，这里不再赘述。
本申请实施例中的数据接收装置可以是装置，也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端，也可以为非移动终端。示例性的，移动终端可以包括但不限于上述所列举的终端11的类型，非移动终端可以为服务器、网络附属存储器(Network Attached Storage，NAS)、个人计算机(personal computer，PC)、电视机(television，TV)、柜员机或者自助机等，本申请实施例不作具体限定。
本申请实施例中的数据接收装置可以为具有操作系统的装置。该操作系 统可以为安卓(Android)操作系统，可以为ios操作系统，还可以为其他可能的操作系统，本申请实施例不作具体限定。
本申请实施例提供的数据接收装置能够实现图2的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选的，如图4所示，本申请实施例还提供一种终端400，包括处理器401，存储器402，存储在存储器402上并可在所述处理器401上运行的程序或指令，该程序或指令被处理器401执行时实现上述数据接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
图5为实现本申请各个实施例的一种终端的硬件结构示意图。
该终端500包括但不限于：射频单元501、网络模块502、音频输出单元503、输入单元504、传感器505、显示单元506、用户输入单元507、接口单元508、存储器509以及处理器510等部件。
本领域技术人员可以理解，终端500还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器510逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图5中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元504可以包括图形处理器(Graphics Processing Unit，GPU)5041和麦克风5042，图形处理器5041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元506可包括显示面板5061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板5061。用户输入单元507包括触控面板5071以及其他输入设备5072。触控面板5071，也称为触摸屏。触控面板5071可包括触摸检测装置和触摸控制器两个部分。其他输入设备5072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元501将来自网络设备的下行数据接收后，给处理器510处理；另外，将上行的数据发送给网络设备。通常，射频单元501包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、 双工器等。
存储器509可用于存储软件程序或指令以及各种数据。存储器109可主要包括存储程序或指令区和存储数据区，其中，存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器509可以包括高速随机存取存储器，还可以包括非易失性存储器，其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器510可包括一个或多个处理单元；可选的，处理器510可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序或指令等，调制解调处理器主要处理无线通信，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器510中。
其中，射频单元501，用于终端在第一数据解码成功的情况下，停止接收目标数据；
其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
应理解，本实施例中，上述处理器510和射频单元501能够实现图2的方法实施例中终端实现的各个过程，为避免重复，这里不再赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质可以是易失性的，也可以是非易失性的，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述数据接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的电子设备中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所 述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述数据接收方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片、系统芯片、芯片系统或片上系统芯片等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者基站等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (29)

  1. 一种数据接收方法，包括：
    终端在第一数据解码成功的情况下，停止接收目标数据；
    其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
  2. 根据权利要求1所述的方法，其中，所述终端停止接收目标数据包括：
    所述终端的物理层停止接收所述目标数据。
  3. 根据权利要求1所述的方法，其中，所述终端停止接收目标数据包括：
    所述终端的媒体接入控制MAC层向物理层发送第一指示信息；
    所述终端的物理层根据所述第一指示信息停止接收所述目标数据。
  4. 根据权利要求3所述的方法，其中，所述终端的MAC层向物理层发送第一指示信息包括以下至少一项：
    所述MAC实体向所述物理层发送第一子指示信息；
    所述终端的HARQ实体向所述物理层发送第二子指示信息；
    所述终端的HARQ进程向所述物理层发送第三子指示信息。
  5. 根据权利要求4所述的方法，其中，在所述MAC实体向所述物理层发送第一子指示信息的步骤之后，所述方法还包括：
    在所述MAC实体确定第一下行分配是所述第一数据的重传资源的情况下，所述MAC实体停止向所述第一下行分配关联的HARQ实体发送目标信息；
    其中，所述目标信息包括第二指示信息和所述第一下行分配关联的HARQ信息，所述第二指示信息用于指示存在所述第一下行分配。
  6. 根据权利要求4所述的方法，其中，在所述HARQ实体向所述物理层发送第二子指示信息的步骤之后，所述方法还包括：
    在所述HARQ实体确定与接收到的HARQ信息关联的第一下行分配是所述第一数据的重传资源的情况下，所述HARQ实体停止将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程。
  7. 根据权利要求3所述的方法，其中，所述第一指示信息用于指示以下任一项：所述物理层停止接收所述网络设备下一次重传的所述第一数据，所述物理层停止接收所述第一数据解码成功之后所述网络设备所有重传的所述第一数据。
  8. 根据权利要求3所述的方法，其中，所述第一指示信息包括以下至少一项：下行分配信息和HARQ进程信息。
  9. 根据权利要求1所述的方法，其中，所述终端停止接收目标数据的行为包括以下至少一项：
    所述终端丢弃网络设备分配的重传资源；
    所述终端忽略网络设备分配的重传资源；
    所述终端在网络设备分配的重传资源对应的资源位置停止接收数据；
    其中，所述重传资源为所述网络设备用于重传所述第一数据的资源。
  10. 根据权利要求9所述的方法，其中，所述终端停止接收目标数据之前，所述方法还包括：
    所述终端根据目标参数确定所述重传资源；其中，所述目标参数包括第一下行分配关联的HARQ信息和网络设备配置的重传信息中的至少一项。
  11. 根据权利要求10所述的方法，其中，所述HARQ信息包括新数据指示NDI参数值，所述终端根据第一下行分配关联的HARQ信息确定所述重传资源包括：
    所述终端在所述第一下行分配关联的NDI参数值相对于上一次调度未发生改变时，确定所述第一下行分配是所述重传资源。
  12. 根据权利要求10所述的方法，其中，所述重传信息包括所述第一数据的重传次数。
  13. 一种数据接收装置，包括：
    传输模块，用于终端在第一数据解码成功的情况下，停止接收目标数据；
    其中，所述目标数据为网络设备重传的所述第一数据；所述第一数据通过第一混合自动重传请求HARQ进程传输，所述第一HARQ进程的上行反馈被禁用。
  14. 根据权利要求13所述的装置，其中，所述传输模块具体用于：所述 终端的物理层停止接收所述目标数据。
  15. 根据权利要求13所述的装置，其中，所述传输模块包括：
    第一传输单元，用于所述终端的媒体接入控制MAC层向物理层发送第一指示信息；
    第二传输单元，用于所述终端的物理层根据所述第一指示信息停止接收所述目标数据。
  16. 根据权利要求15所述的装置，其中，所述第一传输单元具体用于执行以下至少一项：
    所述MAC实体向所述物理层发送第一子指示信息；
    所述终端的HARQ实体向所述物理层发送第二子指示信息；
    所述终端的HARQ进程向所述物理层发送第三子指示信息。
  17. 根据权利要求16所述的装置，其中，所述第一传输单元还用于：在所述MAC实体确定第一下行分配是所述第一数据的重传资源的情况下，所述MAC实体停止向所述第一下行分配关联的HARQ实体发送目标信息；
    其中，所述目标信息包括第二指示信息和所述第一下行分配关联的HARQ信息，所述第二指示信息用于指示存在所述第一下行分配。
  18. 根据权利要求16所述的装置，其中，所述第一传输单元还用于：在所述HARQ实体确定与接收到的HARQ信息关联的第一下行分配是所述第一数据的重传资源的情况下，所述HARQ实体停止将所述第一下行分配关联的HARQ信息定向到所述HARQ信息对应的HARQ进程。
  19. 根据权利要求15所述的装置，其中，所述第一指示信息用于指示以下任一项：所述物理层停止接收所述网络设备下一次重传的所述第一数据，所述物理层停止接收所述第一数据解码成功之后所述网络设备所有重传的所述第一数据。
  20. 根据权利要求15所述的装置，其中，所述第一指示信息包括以下至少一项：下行分配信息和HARQ进程信息。
  21. 根据权利要求13所述的装置，其中，所述终端停止接收目标数据的行为包括以下至少一项：
    丢弃网络设备分配的重传资源；
    忽略网络设备分配的重传资源；
    在网络设备分配的重传资源对应的资源位置停止接收数据；
    其中，所述重传资源为所述网络设备用于重传所述第一数据的资源。
  22. 根据权利要求21所述的装置，其中，所述数据接收装置还包括：
    第一确定模块，用于所述终端根据目标参数确定所述重传资源；其中，所述目标参数包括第一下行分配关联的HARQ信息和网络设备配置的重传信息中的至少一项。
  23. 根据权利要求22所述的装置，其中，所述HARQ信息包括新数据指示NDI参数值，所述第一确定模块具体用于：所述终端在所述第一下行分配关联的NDI参数值相对于上一次调度未发生改变时，确定所述第一下行分配是所述重传资源。
  24. 根据权利要求22所述的装置，其中，所述重传信息包括所述第一数据的重传次数。
  25. 一种终端，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序，其中，所述程序被所述处理器执行时实现如权利要求1至12中任一项所述的数据接收方法中的步骤。
  26. 一种可读存储介质，所述可读存储介质上存储程序或指令，其中，所述程序或指被处理器执行时实现如权利要求1至12中任一项所述的数据接收方法的步骤。
  27. 一种芯片，包括处理器和通信接口，其中，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如权利要求1至12中任一项所述的数据接收方法的步骤。
  28. 一种程序产品，其中，所述程序产品被存储在非瞬态的存储介质中，所述程序产品被至少一个处理器执行以实现如权利要求1至12中任一项所述的数据接收方法的步骤。
  29. 一种终端，所述终端被配置为实现如权利要求1至12中任一项所述的数据接收方法中的步骤。
PCT/CN2021/136161 2020-12-10 2021-12-07 数据接收方法、装置、终端及可读存储介质 Ceased WO2022121908A1 (zh)

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