WO2020164631A1 - 发送反馈信息的方法和装置和接收反馈信息的方法和装置 - Google Patents
发送反馈信息的方法和装置和接收反馈信息的方法和装置 Download PDFInfo
- Publication number
- WO2020164631A1 WO2020164631A1 PCT/CN2020/075537 CN2020075537W WO2020164631A1 WO 2020164631 A1 WO2020164631 A1 WO 2020164631A1 CN 2020075537 W CN2020075537 W CN 2020075537W WO 2020164631 A1 WO2020164631 A1 WO 2020164631A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- feedback
- feedback information
- downlink control
- pucch
- Prior art date
Links
Images
Classifications
-
- 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
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- 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
- 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
- H04L1/1835—Buffer management
-
- 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
- H04L1/1864—ARQ related signaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio
Definitions
- This application relates to the field of communications, and in particular to a method and device for sending feedback information, and a method and device for receiving feedback information.
- a network device After a network device sends downlink data to a terminal device, it needs to determine whether the terminal device has received the downlink data according to the feedback information sent by the terminal device. For example, when the terminal device receives the downlink data, it can send an acknowledgement (acknowledgement, ACK). After receiving the ACK, the network device can determine that the terminal device has successfully received the downlink data; when the terminal device does not receive the downlink data, the terminal device can send a negative acknowledgement (NACK), and the network After the device receives the NACK, it can be determined that the terminal device has not received the downlink data.
- acknowledgement acknowledgement
- NACK negative acknowledgement
- the network device may not be able to know the situation in time. For example, in the new radio access technology unlicensed band (NR-U), the terminal The device fails to send feedback information in time because it has not preempted the uplink transmission resources, or the network device fails to demodulate the feedback information in time, then the network device needs to wait for receiving and successfully demodulating the feedback information before determining whether to instruct the terminal The device retransmits the feedback information, which causes the transmission delay to increase.
- NR-U new radio access technology unlicensed band
- This application provides a method for sending feedback information and a method for receiving feedback information.
- the feedback information is sent or received through different feedback processes.
- the network device instructs the terminal device to use the new The feedback process of the feedback process only needs to send the feedback information of the next downlink data, and the next downlink data can be scheduled without waiting for the completion of the previous feedback information processing, thereby reducing the transmission delay.
- a method for sending feedback information including: receiving first downlink control information, where the first downlink control information includes information indicating first downlink data, information indicating first uplink resources, and A feedback process information; the first feedback process is used to send the first feedback information on the first uplink resource, and the first feedback information is used to indicate the reception status of the first downlink data.
- the terminal device can use different feedback processes to send different feedback information. In this way, the network device can schedule the next downlink data without determining whether the first feedback information is successfully received, thereby reducing the data transmission delay.
- the network device in order to quickly schedule the next downlink data, the network device will instruct the terminal device to retransmit the feedback information of the previous downlink data in the scheduling information when the feedback information of the previous downlink data is not received. In fact, the terminal device may have sent feedback information of the previous downlink data, but the network device will not be able to demodulate in the future, which will result in a waste of air interface resources.
- the network device can allocate different feedback processes for different downlink data.
- the network device indicates that the first downlink data corresponds to the first feedback process, and the second downlink data corresponds to the second feedback process. If the network device starts to schedule the second downlink data due to the processing delay in the future and can demodulate the first downlink data, the network device instructs the terminal device to use the second feedback process to send feedback information of the second downlink data, and not in the second downlink
- the scheduling information of the data indicates whether the first feedback information needs to be retransmitted.
- the terminal device sends the feedback information of the second downlink data, if it does not receive the information indicating the failure or success of receiving the first feedback information from the network device, it does not need to send the first feedback information again, thereby reducing the waste of air interface resources .
- the information of the first feedback process is the first new feedback indication NFI and the first physical uplink control channel identifier PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the first NFI is used to indicate the first The reception status of the feedback information corresponding to the feedback process or whether only the first feedback information needs to be fed back.
- the information of the first feedback process further includes trigger information (trigger), which is used to indicate whether the second feedback information and the first feedback information need to be combined.
- the trigger information (trigger) may be a 1-bit field. For example, if the trigger field of the trigger information is "0", it means that merging is not required, and the field of "1" means that merging is required.
- the PUCCH-ID can be a field with a specific value or a field with a specific state. This application does not limit the specific form of the PUCCH-ID.
- the NFI may be a bit-sized field, and the network device indicates the reception status of the first feedback information by changing the value of the NFI field. For example, when the NFI field is "0", it represents the first NFI, and when the NFI becomes "1", it represents the second NFI.
- the terminal device only needs to determine whether the first feedback information is successfully received according to whether the NFI field changes, without considering the specific value of the NFI field, thereby reducing the complexity of determining whether the first feedback information is successfully received.
- the first downlink control information schedules the first downlink data for the first time, so the terminal device can ignore the indication function of the first NFI for the first downlink data, and only needs to store the first NFI, which is the same as the one received next time.
- the NFI corresponding to the first feedback process is compared.
- the terminal device can ignore the indication effect of the first NFI on other downlink data; if the first downlink data The previous feedback information related to the first feedback process failed to be received.
- the UE needs to consider the first NFI and determine whether to retransmit feedback information of other downlink data based on the first NFI.
- the method further includes: receiving second downlink control information, where the second downlink control information includes information indicating the second uplink resource and first indication information, and the first indication information is used to indicate that the first feedback information is not successfully received ; Send the first feedback information on the second uplink resource or the first feedback information needs to be fed back again.
- the second downlink control information includes information about the second uplink resource, and the information about the second uplink resource is used to allocate or indicate the second uplink resource.
- the first indication information is the first NFI and the first PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the first NFI is used to indicate that the feedback information corresponding to the first PUCCH-ID is not successfully received Or the feedback information corresponding to the first PUCCH-ID needs to be fed back again.
- the second downlink control information includes the first NFI and the first PUCCH-ID
- the second downlink control information further includes information indicating second downlink data
- the method further includes: sending the second feedback information using the first feedback process on the second uplink resource, and the second feedback information is used to indicate the second uplink resource. 2. Reception of downlink data.
- the second downlink control information may also schedule second downlink data transmission, so that the terminal device feeds back the reception of the first downlink data and the second downlink data at the same time. In this way, the network device can avoid scheduling the uplink resources twice, thereby improving the utilization rate and feedback efficiency of the uplink resources.
- the method further includes: receiving third downlink control information, where the third downlink control information includes second indication information, and the second indication information is used to indicate that the first feedback information is successfully received or that the first feedback information does not need to be fed back again .
- the network device may indicate to the terminal device that the first feedback information has been successfully received by the network device through the third downlink control information.
- the network device may also not need to send the second indication information, and the terminal device may determine that the first feedback information is successfully received by the network device without receiving the indication information indicating that the reception of the first feedback information failed.
- the second indication information is the second NFI and the first PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the second NFI is used to indicate whether the feedback information corresponding to the first feedback process is received successfully or not. The first feedback information needs to be fed back again.
- the second downlink control information includes the second NFI and the first PUCCH-ID
- the third downlink control information further includes information indicating third downlink data and information indicating third uplink resources
- the method further includes: sending third feedback using the first feedback process on the third uplink resource Information, the third feedback information is used to indicate the reception of the third downlink data.
- the third downlink control information can be used to schedule the third downlink data.
- the third downlink control information may include information indicating third downlink data, information indicating third uplink resources, information indicating the first feedback process, and the second NFI. This can prevent the network device from sending downlink control information twice.
- the method before using the first feedback process to send the third feedback information on the third uplink resource, the method further includes: clearing a buffer related to the first feedback process according to the second indication information.
- the terminal device may clear the buffer related to the first feedback process. For example, the terminal device may delete the stored first feedback information, so as to reuse the first feedback process to send feedback information of other downlink data.
- the first downlink control information further includes a first downlink allocation indication DAI, and there is an association relationship between the first DAI and the first feedback process.
- the dynamic codebook can be determined based on different feedback processes. That is, DAI has an association relationship with the feedback process. The DAI corresponding to each feedback process is calculated independently, thereby reducing the logic complexity.
- the method before the receiving the first downlink control information, the method further includes: receiving configuration information, where the configuration information is used to configure at least two feedback processes, and the at least two feedback processes include the first feedback process.
- a method for detecting feedback information includes: sending first downlink control information, where the first downlink control information includes information indicating first downlink data, information indicating first uplink resources, and A feedback process information; the first feedback information is detected on the first uplink resource, the first feedback information is used to indicate the reception of the first downlink data, and there is an association relationship between the first feedback information and the first feedback process.
- the network device can detect (or receive) different feedback information based on different feedback processes. In this way, the network device can schedule the next downlink data without determining whether the first feedback information is successfully received, thereby reducing the data transmission delay.
- the network device in order to quickly schedule the next downlink data, the network device will instruct the terminal device to retransmit the feedback information of the previous downlink data in the scheduling information when the feedback information of the previous downlink data is not received. In fact, the terminal device may have sent the feedback information of the previous downlink data, but the network device will not be able to demodulate in the future, which will result in a waste of air interface resources.
- the network device can allocate different feedback processes for different downlink data.
- the network device indicates that the first downlink data corresponds to the first feedback process, and the second downlink data corresponds to the second feedback process. If the network device starts to schedule the second downlink data due to the processing delay in the future when it can demodulate the first downlink data, the network device instructs the terminal device to use the second feedback process to send the feedback information of the second downlink data, and it is not in the second downlink.
- the scheduling information of the data indicates whether the first feedback information needs to be retransmitted.
- the terminal device sends the feedback information of the second downlink data, if it does not receive the information indicating the failure or success of receiving the first feedback information from the network device, it does not need to send the first feedback information again, thereby reducing the waste of air interface resources .
- the information indicating the first feedback process is the first NFI and the first PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the first NFI is used to indicate the feedback information corresponding to the first feedback process. The reception status or whether only the first feedback information needs to be fed back.
- the PUCCH-ID can be a field with a specific value or a field with a specific state. This application does not limit the specific form of the PUCCH-ID.
- the NFI may be a bit-sized field, and the network device indicates the reception status of the first feedback information by changing the value of the NFI field. For example, when the NFI field is "0", it represents the first NFI, and when the NFI becomes "1", it represents the second NFI.
- the network device only needs to indicate whether the first feedback information is successfully received through whether the NFI field has changed, and does not need to consider the specific value of the NFI field, thereby reducing the complexity of indicating whether the first feedback information is successfully received.
- the method further includes: sending second downlink control information, where the second downlink control information includes information indicating the second uplink resource and first indication information, and the first indication information is used to indicate that the first feedback information is not successfully received Or the first feedback information needs to be fed back again; the first feedback information is detected on the second uplink resource.
- the second downlink control information includes information about the second uplink resource, and the information about the second uplink resource is used to allocate or indicate the second uplink resource.
- the first indication information is the first NFI and the first PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the first NFI is used to indicate that the feedback information corresponding to the first PUCCH-ID is not successfully received Or the feedback information corresponding to the first PUCCH-ID needs to be fed back again.
- the second downlink control information includes the first NFI and the first PUCCH-ID
- the second downlink control information further includes information indicating second downlink data
- the method further includes: detecting second feedback information on the second uplink resource, the second feedback information being used to indicate the reception of the second downlink data In case, there is an association relationship between the second feedback information and the first feedback process.
- the second downlink control information may also schedule second downlink data transmission, so that the terminal device feeds back the reception of the first downlink data and the second downlink data at the same time.
- the network device can avoid scheduling uplink resources twice, thereby improving the utilization rate and feedback efficiency of uplink resources.
- the method further includes: sending third downlink control information, the third downlink control information includes second indication information, and the second indication information is used to indicate that the first feedback information is successfully received or that the first feedback information does not need to be fed back again .
- the network device may indicate to the terminal device that the first feedback information has been successfully received by the network device through the third downlink control information.
- the network device may also not need to send the second indication information, and the terminal device may determine that the first feedback information is successfully received by the network device without receiving the indication information indicating that the reception of the first feedback information failed.
- the second indication information is the second NFI and the first PUCCH-ID
- the first PUCCH-ID is used to identify the first feedback process
- the second NFI is used to indicate whether the feedback information corresponding to the first feedback process is received successfully or not. The first feedback information needs to be fed back again.
- the second downlink control information includes the second NFI and the first PUCCH-ID
- the third downlink control information further includes information indicating third downlink data and information indicating third uplink resources
- the method further includes: detecting third feedback information on the third uplink resource, and the third feedback information is used for To indicate the reception of the third downlink data, the third feedback information has an association relationship with the first feedback process.
- the third downlink control information can be used to schedule the third downlink data.
- the third downlink control information may include third downlink data information, third uplink resource information, first feedback process information, and second NFI. This can prevent the network device from sending downlink control information twice.
- the method before the sending the third downlink control information, the method further includes: clearing a buffer related to the first feedback process.
- the network device may clear the cache related to the first feedback process. For example, the network device may delete the stored first feedback information, so as to reuse the first feedback process to receive feedback information of other downlink data.
- the first downlink control information includes a first DAI, and there is an association relationship between the first DAI and the first feedback process.
- the dynamic codebook can be determined based on different feedback processes. That is, DAI has an association relationship with the feedback process. The DAI corresponding to each feedback process is calculated independently, thereby reducing the logic complexity.
- the method before the sending the first downlink control information, the method further includes: sending configuration information, where the configuration information is used to configure at least two feedback processes, and the at least two feedback processes include the first feedback process.
- the network device can instruct the terminal device to use the new feedback process to transmit new feedback information of downlink data before the feedback information corresponding to the previous feedback process is demodulated, without waiting for the feedback information corresponding to the previous feedback process The feedback information has not been demodulated yet.
- this application provides a device for sending feedback information.
- the device may be a terminal device or a chip in the terminal device.
- the device may include a processing unit and a transceiving unit.
- the processing unit may be a processor, and the transceiving unit may be a transceiver;
- the terminal device may also include a storage unit, and the storage unit may be a memory; the storage unit is used to store instructions, and the processing The unit executes the instructions stored in the storage unit, so that the terminal device executes the method described in the first aspect.
- the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit, etc.; the processing unit executes the instructions stored in the storage unit to make the terminal
- the device executes the method described in the first aspect, and the storage unit may be a storage unit in the chip (for example, a register, a cache, etc.), or a storage unit outside the chip in the terminal device (for example, a read-only Memory, random access memory, etc.).
- the present application provides a device for receiving feedback information.
- the device may be a terminal device or a chip in the terminal device.
- the device may include a processing unit and a transceiving unit.
- the processing unit may be a processor, and the transceiving unit may be a transceiver;
- the terminal device may also include a storage unit, and the storage unit may be a memory; the storage unit is used to store instructions, and the processing The unit executes the instructions stored in the storage unit, so that the terminal device executes the method described in the first aspect.
- the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit, etc.; the processing unit executes the instructions stored in the storage unit to make the terminal
- the device executes the method described in the first aspect, and the storage unit may be a storage unit in the chip (for example, a register, a cache, etc.), or a storage unit outside the chip in the terminal device (for example, a read-only Memory, random access memory, etc.).
- the present application provides a computer-readable storage medium in which a computer program is stored.
- the processor executes the method described in the first aspect.
- the present application provides a computer-readable storage medium in which a computer program is stored.
- the processor executes the method described in the second aspect.
- the present application provides a computer program product, the computer program product comprising: computer program code, when the computer program code is executed by a processor, the processor executes the method described in the first aspect.
- this application provides a computer program product, the computer program product comprising: computer program code, when the computer program code is executed by a processor, the processor executes the method described in the second aspect.
- Figure 1 is a schematic diagram of a communication system suitable for the present application
- Figure 2 is a schematic diagram of a method for sending feedback information and receiving feedback information provided by the present application
- FIG. 3 is a schematic diagram of another method for sending and receiving feedback information provided by the present application.
- FIG. 4 is a schematic diagram of yet another method for sending feedback information and receiving feedback information provided by this application.
- Figure 4a shows another example of the method for sending feedback information provided by the present application.
- Figure 4b shows another example of the method for sending feedback information provided by the present application.
- Fig. 5 is a schematic diagram of a communication device provided by the present application.
- Fig. 6 is a schematic diagram of a terminal device provided by the present application.
- Fig. 7 is a schematic diagram of a network device provided by the present application.
- FIG. 1 is a schematic diagram of a communication system suitable for this application.
- the communication system 100 includes a network device 110 and a terminal device 120.
- the terminal device 120 communicates with the network device 110 through electromagnetic waves.
- the terminal device 120 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices, or other processing devices connected to a wireless modem, for example, the third generation partnership project (3 rd Generation partnership project, 3GPP) defined user equipment (user equipment, UE), mobile station (mobile station, MS), soft terminal, home gateway, set-top box, site, etc.
- 3GPP Third Generation partnership project
- the network device 110 may be a base station defined by 3GPP, for example, a base station (gNB) in the fifth generation (5G) communication system.
- the network device 110 may also be a non-3GPP (non-3GPP) access network device, such as an access gateway (AGF).
- AMF access gateway
- the network device 110 may also be a relay station, an access point, a vehicle-mounted device, a wearable device, and other types of devices.
- the communication system 100 is only an example, and the communication system applicable to the present application is not limited to this.
- the number of network devices and terminal devices included in the communication system 100 may also be other numbers.
- the communication system 100 may be a system that uses a licensed spectrum for communication, or may be a system that uses an unlicensed spectrum for communication.
- the communication system 100 may be an NR-U system.
- the wireless devices in the NR-U system usually use channel sensing and competition to use or share wireless resources.
- the transmitters adopt the same or similar principles to fairly compete for the right to use unlicensed spectrum resources.
- the transmitter first monitors whether the unlicensed spectrum is free before sending a signal. For example, the unlicensed spectrum's received power is used to determine its busy/idle status. If the received power is less than a certain threshold, the unlicensed spectrum is considered to be free. Status, the signal can be sent on the unlicensed spectrum, otherwise no signal is sent. This mechanism of listening before sending is called listen before talk (LBT).
- LBT listen before talk
- the UE and the gNB can transmit data based on a hybrid automatic repeat request (HARQ) process, and each HARQ process corresponds to a transport block (TB). If a TB fails to transmit successfully during the initial transmission, the receiving end can send feedback information to the transmitting end, indicating that the TB has not been successfully received. The sending end can retransmit all or part of the content of the TB based on the HARQ process, and the receiving end can process the multiple data blocks corresponding to the received HARQ process to merge and process to improve the demodulation success rate.
- HARQ hybrid automatic repeat request
- the UE When communicating based on LBT, the UE cannot always send signals in time due to the uncertainty of channel occupancy. If the UE fails to feed back to the gNB in time due to LBT failure, the gNB still fails to demodulate the downlink data correctly, and reschedules the downlink resources to the UE for retransmission, resulting in a waste of downlink resources and increased communication delay Big.
- the network device 110 needs a certain amount of time to demodulate the feedback information. For example, in a 5G communication system, the network device 110 needs about 3%. The time length of a slot is used to demodulate the feedback information, and this demodulation time is also a part of the communication delay.
- the present application provides a method 200 for sending feedback information.
- the method 200 can be executed by the terminal device 120.
- the following terminal devices and network devices are no longer accompanied by reference numerals.
- the method 200 includes:
- the first downlink control information includes information indicating (or scheduling) first downlink data, information indicating a first uplink resource, and information indicating a first feedback process.
- the first downlink control information includes information for scheduling first downlink data, information about the first uplink resource, and information about the first feedback process.
- the information indicating the first downlink data is the information required by the terminal device to receive the first downlink data, for example, the time-frequency resource used to transmit the first downlink data, and the coding and modulation strategy used for the first downlink data. and coding scheme, MCS), the HARQ process used for the first downlink data, etc.
- the information indicating the first uplink resource is used to allocate or indicate the first uplink resource, so that the terminal device can use the first uplink resource to send feedback information of the first downlink data.
- the network device can provide the terminal with the information of the first uplink resource.
- the device indicates the time domain location and frequency domain location corresponding to the first uplink resource.
- the information indicating the first feedback process is used to identify or indicate the first feedback process, so that the terminal device uses the first feedback process to feed back the reception situation of the first downlink data.
- the information of the first feedback process may be the first physical uplink control channel process identifier (PUCCH-ID).
- the information of the first feedback process may also include a first new feedback indicator (NFI).
- the value of the first NFI is used to indicate the feedback information corresponding to the first PUCCH-ID before receiving the first downlink control information. Whether the reception is successful, so as to determine whether it needs to be fed back simultaneously with the first feedback information on the first uplink resource.
- NFI may indicate whether only new feedback information (such as first feedback information) needs to be fed back on the first uplink resource. If yes, it indicates that the previous feedback information was successfully received; if not, it indicates that the previous feedback information was not successfully received.
- the terminal can learn whether the feedback information corresponding to the first PUCCH-ID is successfully received before receiving the first downlink control information.
- the network device and the terminal device can determine which feedback process is based on which feedback process to send the feedback of the initial transmission data based on preset rules (for example, the rules defined by the communication protocol or the rules pre-configured by the network device)
- preset rules for example, the rules defined by the communication protocol or the rules pre-configured by the network device.
- the first downlink control information may not carry the first PUCCH-ID and the first NFI.
- the first downlink control information includes related fields of the first PUCCH-ID and the first NFI, but the fields of these two information may be set as invalid fields or may be multiplexed by other information.
- the first downlink control information may be downlink control information (downlink control information, DCI).
- DCI downlink control information
- the first downlink control information including the PUCCH-ID field and the NFI field is as follows.
- the PUCCH-ID field included in the DCI format 1_0 and DCI format 1_1 may be x bits, and the NFI field included in the DCI format 1_0 and DCI format 1_1 may be y bits.
- x and y indicate that the application does not limit the specific number of bits in these two fields.
- the value of x depends on the number of feedback processes configured by the network device. If the network device is configured with two feedback processes, the value of x may be 1.
- the value of y can be 1, or other values.
- the cyclic redundancy check (CRC) of DCI format 1_0 and DCI format 1_1 can be determined by the cell radio network temporary identifier (C-RNTI) or the configured scheduled radio network temporary identifier (configured scheduled radio). Network temporary identifier, CS-RNTI) or new RNTI (new-RNTI) scrambling.
- the terminal device receives the first downlink control information.
- the terminal device receives the first downlink data on the corresponding downlink resource according to the information of the first downlink data. Subsequently, the terminal device feeds back the reception status of the first downlink data according to the demodulation status of the first downlink data. That is, perform the following steps.
- S220 Use the first feedback process to send first feedback information on the first uplink resource, where the first feedback information is used to indicate the reception status of the first downlink data.
- the first downlink data may be one piece of data or multiple pieces of data.
- the first feedback information may be one piece of feedback information or multiple pieces of feedback information. Therefore, there is an association relationship between one feedback process and one or more HARQ processes.
- a network device schedules multiple PDSCHs through multiple DCIs, and these PDSCHs are fed back based on the same PUCCH process, and the multiple DCIs indicate the same PUCCH-ID.
- the PUCCH contains multiple PDSCH feedback information.
- multiple PDCCHs schedule multiple PDSCHs, and these PDSCHs use the same PUCCH for feedback and indicate the same PUCCH-ID.
- This PUCCH will contain multiple PDSCH ACK and NACK bits.
- the terminal device Before sending the first feedback information, the terminal device may determine the association relationship between the first feedback process and the first downlink data according to the first downlink control information, and then determine the association relationship between the first feedback process and the first feedback information .
- the terminal device using the first feedback process to send the first feedback information can be understood as: the terminal device records (or stores) the association relationship between the first feedback process and the first feedback information.
- the information for example, the first PUCCH-ID
- the terminal device determines the reception status of the first feedback information according to the information including the first feedback process received from the network device. Further, the terminal device also needs NFI to determine the reception status of the first feedback information.
- the terminal device may also send the first PUCCH-ID together with the first feedback information to the network device.
- S220 can also be replaced by the following description: the first feedback information is sent on the first uplink resource, the first feedback information is used to indicate the reception of the first downlink data, and there is a relationship between the first feedback information and the first feedback process. connection relation.
- the above-mentioned association relationship is also stored in the network device. Since different feedback information corresponds to different feedback processes, the network device can schedule the second downlink data without waiting for the demodulation result of the first feedback information after receiving the first feedback information; Alternatively, the network device can schedule the second downlink data transmission without detecting the first feedback information. Thereby reducing the communication delay.
- the terminal device will receive two DCIs in a short time.
- the two DCIs are, for example, DCI1 and DCI2.
- DCI1 schedules the first downlink data
- DCI2 schedules the second downlink data
- DCI1 is received before DCI2. Since the terminal device has not sent the first feedback information when it receives DCI2, DCI2 will carry the instruction to retransmit the first feedback information. After sending the first feedback information based on DCI1, the terminal device will send the first feedback again based on DCI2 Information, resulting in waste of air interface resources.
- the network device can allocate different feedback processes for the first downlink data and the second downlink data, that is, the first downlink data corresponds to the first feedback process, and the second downlink data corresponds to the second feedback process.
- the terminal device does not need to send the first feedback information again if it does not receive the information sent by the network device indicating that the reception of the first feedback information failed, thereby reducing the waste of air interface resources.
- the network device detects the first feedback information on the first uplink resource.
- the reception of the first feedback information by the network device is divided into two types: reception failure and reception success.
- reception failure may be that the signal carrying the first feedback information is detected, but the demodulation is not successful;
- reception failure may also be that the signal power of the first feedback information is too low, and the network device does not detect the signal that carries the first feedback information;
- the reception failure may also be a signal that the terminal device did not send the first feedback information due to the LBT failure.
- Successful reception refers to the successful demodulation of the first feedback information. The two situations are explained separately below.
- Case 1 The reception of the first feedback information fails or the first feedback information needs to be fed back again.
- the network device will send the second DCI to the terminal device, and the second DCI includes the first indication information for indicating that the reception of the first feedback information fails.
- the first indication information may be the first NFI.
- the first NFI is used to indicate the reception status of the feedback information corresponding to the first feedback process or whether only the first feedback information needs to be fed back.
- the first NFI may correspond to or have an association relationship with the first PUCCH-ID. Wherein, the first PUCCH-ID is used to identify the first feedback process, and the first NFI is used to indicate that the feedback information corresponding to the first PUCCH-ID fails to be received.
- the first indication information may also be other types of indication information, and the specific form of the first indication information is not limited in this application.
- the terminal device After the terminal device receives the second DCI, it can determine whether the network device is successful based on the predefined rules and the NFI field and the PUCCH-ID field in the first DCI The first feedback information is received or whether the first feedback information needs to be fed back again.
- the predefined rule is: for the same feedback process, if the NFI field in the second DCI is different from the NFI field in the first DCI, it means that the first feedback information is successfully received or the first feedback information does not need to be retransmitted; if The NFI field in the second DCI is the same as the NFI field in the first DCI, which indicates that the reception of the first feedback information fails or the first feedback information needs to be retransmitted.
- the predefined rule may be a rule defined by a communication protocol, or a rule configured by a network device.
- the terminal device determines that the reception of the first feedback information fails or that the first feedback information needs to be fed back again, and then the second uplink resource indicated by the second DCI Send the first feedback message again on.
- predefined rules are just examples, and the predefined rules can also be set as follows: For the same feedback process, if the NFI field in the second DCI is the same as the NFI field in the first DCI, it means that the first feedback information is received successfully Or the first feedback information does not need to be retransmitted; if the NFI field in the second DCI is different from the NFI field in the first DCI, it indicates that the reception of the first feedback information fails or the first feedback information needs to be retransmitted. Correspondingly, the NFI field of the second DCI will also change.
- the second DCI may also include second downlink data information.
- the information of the second downlink data is used to schedule the terminal equipment to receive the second downlink data.
- the terminal device may use the first feedback process on the second uplink resource to send the first feedback information and the second feedback information, where the second feedback information is used to indicate the reception status of the second downlink data.
- Case 2 The first feedback information is successfully received or the first feedback information does not need to be retransmitted.
- the network device will send a third DCI to the terminal device, and the third DCI includes second indication information for indicating that the first feedback information is successfully received or that the first feedback information does not need to be retransmitted.
- the second indication information may be the second NFI and the first PUCCH-ID, where the first PUCCH-ID is used to identify the first feedback process, and the second NFI is used to indicate that the feedback information corresponding to the first PUCCH-ID is successfully received or the first PUCCH-ID is received.
- a feedback message does not need to be retransmitted.
- the second indication information may also be other types of indication information, and this application does not limit the specific form of the second indication information.
- the terminal device may determine that the first feedback information is successfully received or the first feedback information does not need to be retransmitted based on the predefined rule described in the first case and the NFI field and the PUCCH-ID field in the first DCI. Subsequently, the terminal device clears the buffer related to the first feedback process, so as to reuse the first feedback process. Correspondingly, the network device clears the buffer related to the first feedback process after determining that the first feedback information is successfully received.
- the third DCI may also include third downlink data information and third uplink resource information.
- the information of the third downlink data is used to schedule the terminal device to receive the third downlink data, and the information of the third uplink resource is used to allocate or indicate the third uplink resource.
- the terminal device may use the first feedback process on the third uplink resource to send third feedback information, where the third feedback information is used to indicate the reception status of the third downlink data.
- the terminal device may sequentially receive the first DCI, the second DCI, and the third DCI. For example, if the network device successfully demodulates the first feedback information and the second feedback information on the second uplink resource, the network device will send the third DCI after sending the second DCI.
- the network device may also send configuration information before sending the first downlink control information.
- the configuration information is used to configure at least two feedback processes, and the at least two feedback processes include the first feedback process. After sending the first downlink control information or after completing the transmission of the first feedback information, the network device may send another downlink control information to schedule another feedback process for information transmission.
- Fig. 3 shows an example of the method for sending feedback information provided by the present application.
- the shaded part represents DCI
- the physical downlink shared channel (PDSCH) next to each DCI is the downlink data scheduled by the DCI.
- the terminal device uses two PUCCH feedback processes to send feedback information.
- the terminal device needs to send all the stored feedback information together.
- the terminal device can send feedback information of PDSCH#3 and PDSCH#1 in the same PUCCH, that is, A/N1+3.
- the network device may carry a downlink assignment indicator (DAI) in the DCI, and indicate the feedback process corresponding to the DAI to the terminal device.
- DAI downlink assignment indicator
- the first DCI when the first DCI includes the first DAI and the first PUCCH-ID, it indicates the association relationship between the first DAI and the first feedback process.
- the second DCI and the third DCI may also carry DAI.
- Fig. 4 shows an example of the method for sending feedback information provided by the present application.
- the network device When a dynamic codebook is used for feedback, the network device will carry DAI in the DCI to indicate the total number of HARQ processes (ie, the total number of downlink data) that the terminal device needs to feed back as of the current scheduling period, and the HARQ scheduled by the current DCI The process number in all HARQ processes that need to be fed back. When there are multiple feedback processes, the calculation of DAI is only based on the same feedback process.
- the number of DAI is shown in the figure.
- the count DAI (counter DAI, C-DAI) represents the DAI corresponding to the current PDSCH, and the total DAI (total DAI, T-DAI) represents the number of feedback information that needs to be sent currently.
- the C-DAI and T-DAI of these two PDSCHs are the same as PDSCH#3.
- the C-DAI of PDSCH#5 is ranked next to the C-DAI of PDSCH#4
- the C-DAI of PDSCH#6 is ranked next to the C-DAI of PDSCH#5.
- the T-DAI of PDSCH#5 and PDSCH#6 is equal to the number of all PDSCHs corresponding to feedback process 1, that is, the T-DAI of PDSCH#5 and PDSCH#6 is equal to 4. In other words, for multiple PDSCHs with the same feedback process, their respective C-DAI can be consecutively numbered and T-DAI consecutively counted.
- the network equipment does not need to wait for A/N#0+1+2 when scheduling PDSCH#3-6, and can directly schedule PDSCH#3-6, thereby reducing the transmission delay of downlink data.
- the present invention also provides a method for sending feedback information.
- the network device may send trigger information to the terminal device.
- the trigger information is used to instruct the terminal device to carry the first feedback information in the next HARQ feedback.
- the terminal device may merge the first feedback information into the second feedback information and send it to the network device.
- HARQ feedback may be performed according to a preset rule.
- the preset rule may be: when the first feedback information needs to be re-sent, the first feedback information is carried in the second feedback information by default.
- the second feedback information can be considered as uplink control information to be performed after the first feedback information. That is to say, because the previous feedback information failed to be sent, the previous feedback information is directly included in the subsequent feedback information by default. At this time, the network device does not need to send trigger information.
- the terminal device gives feedback according to preset rules.
- the terminal device determines whether the first feedback information needs to be carried in the next second feedback information according to the trigger information. Further, when the trigger information is the first value, the terminal device carries the first feedback information in the second feedback information. When the trigger information is the second value, the terminal device does not carry the first feedback information in the second feedback information.
- the trigger information may be 1-bit information.
- the terminal device may determine whether to carry the first feedback information and/or the second feedback information in the third feedback information according to the trigger information. More feedback scenarios can be obtained by referring to the above.
- the trigger information may be included in the information indicating the first feedback process, or may be separate indication information, and the present invention does not constitute a limitation.
- the trigger information may be carried in the second DCI above. One bit can be added to the second DCI as the trigger information.
- the information indicating the first feedback process sent by the network device may include trigger information (for example, characterized by a trigger) to indicate whether the second feedback information and the first feedback information need to be combined. For example, if the trigger field corresponding to the trigger information is "0", it means that merging is not required, and the field is "1" that merging is required.
- trigger information for example, characterized by a trigger
- the trigger information can be implemented by extending the NFI.
- NFI is extended from 1 bit to 2 bits.
- One of the bits implements the existing function of the NFI.
- the other bit can be used as trigger information. When the value of the other bit is reversed, it can be considered to indicate that the terminal device carries the first feedback information in the second feedback information; otherwise, it can be considered to indicate that the terminal device does not carry the first feedback information in the second feedback information.
- the ACK/NACK in the feedback information may be arranged in the order of their corresponding feedback processes, or may be arranged in the order of HARQ processes, or may be arranged according to the order of the HARQ process.
- Arrange the feedback information that needs to be retransmitted and then arrange the order of other feedback information (of course, the reverse is also possible). For these arrangements, the embodiment of the present application does not limit it.
- Figure 4a shows another example of the method for sending feedback information provided by the present application.
- the network device When a dynamic codebook is used for feedback, the network device will carry DAI in the DCI to indicate the total number of HARQ processes (ie, the total number of downlink data) that the terminal device needs to feed back as of the current scheduling period, and the HARQ scheduled by the current DCI The process number in all HARQ processes that need to be fed back. When there are multiple feedback processes, the calculation of DAI is only based on the same feedback process.
- LBT LBT is required. Due to the uncertainty of LBT, the terminal device may not be able to transmit the PUCCH due to LBT failure, or the network device may not be able to receive the PUCCH correctly due to interference problems. .
- the two shaded rectangles correspond to two feedback processes
- the feedback information of the three downlink data (A/N#0+1) +2) Feedback on the first PUCCH.
- the number of DAI is shown in the figure.
- the count DAI (counter DAI, C-DAI) represents the DAI corresponding to the current PDSCH
- the total DAI total DAI, T-DAI) represents the number of feedback information that needs to be sent currently.
- the feedback information of all downlink data corresponding to the feedback process 1 is called second feedback information. Since different feedback processes are adopted, the number of DAI does not need to consider the DAI of PDSCH#0 to PDSCH#2.
- the C-DAI and T-DAI of the two PDSCHs are related to PDSCH#3 and PDSCH#4. That is, the C-DAI of PDSCH#5 is ranked next to the C-DAI of PDSCH#4, and the C-DAI of PDSCH#6 is ranked next to the C-DAI of PDSCH#5.
- the T-DAI of PDSCH#5 and PDSCH#6 is equal to the number of all PDSCHs corresponding to feedback process 1, that is, the T-DAI of PDSCH#5 and PDSCH#6 is equal to 4. That is, the second feedback information includes 4 feedback information (A/N#3+4+5+6). In other words, for multiple PDSCHs with the same feedback process, their respective C-DAI can be consecutively numbered and T-DAI consecutively counted.
- the first feedback information and the second feedback information are sent together on the second PUCCH.
- the feedback information of PDSCH#0 ⁇ 2 is not successfully transmitted.
- the terminal sends feedback information of PDSCH#0 ⁇ 6 on the next PUCCH.
- the first feedback information includes five feedback information (A/N#0+1+2+5+6).
- the first feedback information needs to be included in the second feedback information type.
- the second feedback information includes the first feedback information and the information that originally needs to be fed back (A/N#0+1+2+5+6 and A/N#3+4).
- A/N#0+1+2+5+6 and A/N#3+4 can be arbitrary.
- the order of A/N#0+1+2+5+6+3+4 or in the order of A/N#0+1+2+3+4+5+6 or in the order of A/N#3 +4+0+1+2+5+6 order.
- one feedback process in the embodiment of the present application may correspond to one PUCCH.
- Multiple feedback processes can correspond to multiple PUCCHs, and there is a one-to-one correspondence between each other.
- the network device can instruct the terminal device to transmit feedback information of multiple feedback processes on one PUCCH, thereby saving resources, reducing the number of LBTs, and improving efficiency.
- the feedback process mentioned in the present invention should also be understood as a logical process, which does not mean that feedback information corresponding to a feedback process can only be transmitted on a fixed PUCCH resource.
- the above mainly describes the method of sending feedback information provided by this application from the perspective of the terminal device.
- the processing procedure of the network device corresponds to the processing procedure of the terminal device.
- the terminal device receives information from the network device, which means that the network device sends The information; the terminal device sends information to the network device, which means that the network device receives the information from the terminal device. Therefore, even if the processing procedure of the network device is not clearly stated in the above individual places, those skilled in the art can clearly understand the processing procedure of the network device based on the processing procedure of the terminal device.
- the communication device includes hardware structures and/or software modules corresponding to each function.
- the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
- the present application may divide the communication device into functional units according to the foregoing method examples.
- each function may be divided into each functional unit, or two or more functions may be integrated into one processing unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit. It should be noted that the division of units in this application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
- Fig. 5 shows a schematic structural diagram of a communication device provided by the present application.
- the communication device 500 may be used to implement the methods described in the foregoing method embodiments.
- the communication device 500 may be a chip, a network device or a terminal device.
- the communication device 500 includes one or more processors 501, and the one or more processors 501 can support the communication device 500 to implement the method in the method embodiment corresponding to FIG. 2.
- the processor 501 may be a general-purpose processor or a special-purpose processor.
- the processor 501 may be a central processing unit (CPU) or a baseband processor.
- the baseband processor can be used to process communication data (for example, the power saving signal described above), and the CPU can be used to control the communication device (for example, network equipment, terminal equipment, or chip), execute software programs, and process software Program data.
- the communication device 500 may further include a transceiving unit 505 to implement signal input (reception) and output (transmission).
- the communication device 500 may be a chip, and the transceiver unit 505 may be an input and/or output circuit of the chip, or the transceiver unit 505 may be a communication interface of the chip, and the chip may be used as a terminal device or a network device or other wireless communication. Components of equipment.
- the communication device 500 may include one or more memories 502, on which a program 504 is stored.
- the program 504 can be run by the processor 501 to generate an instruction 503 so that the processor 501 executes the method described in the foregoing method embodiment according to the instruction 503.
- the memory 502 may also store data.
- the processor 501 may also read data stored in the memory 502. The data may be stored at the same storage address as the program 504, or the data may be stored at a different storage address from the program 504.
- the processor 501 and the memory 502 may be provided separately or integrated together, for example, integrated on a single board or system-on-chip (SOC).
- SOC system-on-chip
- the communication device 500 may further include a transceiver unit 505 and an antenna 506.
- the transceiver unit 505 may be called a transceiver, a transceiver circuit or a transceiver, and is used to implement the transceiver function of the communication device through the antenna 506.
- the processor 501 is configured to execute through the transceiver unit 505 and the antenna 506:
- first downlink control information includes information indicating first downlink data, information indicating first uplink resources, and information indicating a first feedback process
- the first feedback process is used to send first feedback information on the first uplink resource, where the first feedback information is used to indicate the reception status of the first downlink data.
- the processor 501 is configured to execute through the transceiver unit 505 and the antenna 506:
- first downlink control information includes information indicating first downlink data, information indicating first uplink resources, and information indicating a first feedback process
- first feedback information on the first uplink resource where the first feedback information is used to indicate the reception of the first downlink data, and there is an association relationship between the first feedback information and the first feedback process .
- the processor 501 can be a CPU, a digital signal processor (digital signal processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices , For example, discrete gates, transistor logic devices, or discrete hardware components.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- This application also provides a computer program product, which, when executed by the processor 501, implements the communication method described in any method embodiment in this application.
- the computer program product may be stored in the memory 502, for example, a program 504.
- the program 504 is finally converted into an executable object file that can be executed by the processor 501 after preprocessing, compilation, assembly, and linking.
- This application also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a computer, the communication method described in any method embodiment in this application is implemented.
- the computer program can be a high-level language program or an executable target program.
- the computer-readable storage medium is, for example, the memory 502.
- the memory 502 may be a volatile memory or a non-volatile memory, or the memory 502 may include both a volatile memory and a non-volatile memory.
- the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electronic Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be random access memory (RAM), which is used as an external cache.
- RAM random access memory
- static random access memory static random access memory
- dynamic RAM dynamic random access memory
- synchronous dynamic random access memory synchronous DRAM, SDRAM
- double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
- enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
- synchronous connection dynamic random access memory serial DRAM, SLDRAM
- direct rambus RAM direct rambus RAM, DR RAM
- FIG. 6 shows a schematic structural diagram of a terminal device provided in this application.
- the terminal device 600 can be applied to the system shown in FIG. 1 to realize the functions of the terminal device in the foregoing method embodiment.
- FIG. 6 only shows the main components of the terminal device.
- the terminal device 600 includes a processor, a memory, a control circuit, an antenna, and an input and output device.
- the processor is mainly used to process the communication protocol and communication data, and to control the entire terminal device. For example, the processor receives the power saving signal through the antenna and the control circuit.
- the memory is mainly used to store programs and data, such as storing communication protocols and data to be sent.
- the control circuit is mainly used for the conversion of baseband signals and radio frequency signals and the processing of radio frequency signals.
- the control circuit and the antenna together can also be called a transceiver, which is mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
- the input and output device is, for example, a touch screen or a keyboard, and is mainly used to receive data input by the user and output data to the user.
- the processor can read the program in the memory, interpret and execute the instructions contained in the program, and process the data in the program.
- the processor performs baseband processing on the information to be sent, and outputs the baseband signal to the radio frequency circuit.
- the radio frequency circuit performs radio frequency processing on the baseband signal to obtain a radio frequency signal, and transmits the radio frequency signal to the antenna in the form of electromagnetic waves. Send outside.
- the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, and the processor converts the baseband signal into information And process the information.
- FIG. 6 only shows one memory and one processor. In an actual terminal device, there may be multiple processors and multiple memories.
- the memory may also be called a storage medium or a storage device, etc., which is not limited in this application.
- the processor in Figure 6 can integrate the functions of the baseband processor and the CPU.
- the baseband processor and the CPU can also be independent processors, using technologies such as buses. interconnected.
- the terminal device may include multiple baseband processors to adapt to different network standards, the terminal device may include multiple CPUs to enhance its processing capabilities, and various components of the terminal device may be connected through various buses.
- the baseband processor may also be referred to as a baseband processing circuit or a baseband processing chip.
- the CPU may also be called a central processing circuit or a central processing chip.
- the function of processing the communication protocol and the communication data may be built in the processor, or stored in the memory in the form of a program, and the processor executes the program in the memory to realize the baseband processing function.
- the antenna and control circuit with the transceiver function can be regarded as the transceiver 601 of the terminal device 600, which is used to support the terminal device to implement the receiving function in the method embodiment, or to support the terminal device to implement the method embodiment.
- the processor having the processing function is regarded as the processor 602 of the terminal device 600.
- the terminal device 600 includes a transceiver 601 and a processor 602.
- the transceiver may also be referred to as a transceiver, transceiver device, and so on.
- the device for implementing the receiving function in the transceiver 601 can be regarded as a receiver, and the device for implementing the sending function in the transceiver unit 601 can be regarded as a transmitter. That is, the transceiver 601 includes a receiver and a transmitter. The receiver may also be called a receiver, an input port, a receiving circuit, etc., and the transmitter may be called a transmitter, an output port, a transmitting circuit, etc.
- the processor 602 may be used to execute a program stored in the memory to control the transceiver unit 601 to receive signals and/or send signals, and complete the functions of the terminal device in the foregoing method embodiments.
- the function of the transceiver unit 601 may be implemented by a transceiver circuit or a dedicated chip for transceiver.
- FIG. 7 is a schematic structural diagram of a network device provided in this application, and the network device may be, for example, a base station.
- the base station can be applied to the system as shown in FIG. 1 to realize the function of the network device in the above method embodiment.
- the base station 700 may include one or more radio frequency units, such as a remote radio unit (RRU) 701 and at least one baseband unit (BBU) 702.
- the BBU 702 may include a distributed unit (DU), or may include a DU and a centralized unit (CU).
- DU distributed unit
- CU centralized unit
- the RRU 701 may be called a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, and it may include at least one antenna 7011 and a radio frequency unit 7012.
- the RRU701 is mainly used for the transceiver of radio frequency signals and the conversion of radio frequency signals and baseband signals, for example, for supporting the base station to implement the sending and receiving functions in the method embodiments.
- BBU702 is mainly used for baseband processing and control of base stations.
- the RRU701 and the BBU702 can be physically set together, or physically separated, that is, a distributed base station.
- the BBU702 can also be called a processing unit, which is mainly used to perform baseband processing functions, such as channel coding, multiplexing, modulation, and spreading.
- the BBU 702 may be used to control the base station to execute the operation procedure of the network device in the foregoing method embodiment.
- the BBU702 can be composed of one or more single boards. Multiple single boards can jointly support a radio access network with a single access standard (for example, a long term evolution (LTE) network), and can also support different access standards. Wireless access network (such as LTE network and NR network).
- the BBU 702 also includes a memory 7021 and a processor 7022.
- the memory 7021 is used to store necessary instructions and data.
- the memory 7021 stores the power consumption saving signal in the foregoing method embodiment.
- the processor 7022 is configured to control the base station to perform necessary actions, for example, to control the base station to perform the operation procedures in the foregoing method embodiments.
- the memory 7021 and the processor 7022 may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board.
- the base station shown in FIG. 7 is only an example, and the network device applicable to this application may also be an active antenna unit (AAU) in an active antenna system (AAS) .
- AAU active antenna unit
- AAS active antenna system
- the disclosed system, device, and method may be implemented in other ways. For example, some features of the method embodiments described above may be ignored or not implemented.
- the device embodiments described above are merely illustrative.
- the division of units is only a logical function division. In actual implementation, there may be other division methods, and multiple units or components may be combined or integrated into another system.
- the coupling between the units or the coupling between the components may be direct coupling or indirect coupling, and the foregoing coupling includes electrical, mechanical, or other forms of connection.
- the size of the sequence number of each process does not mean the order of execution.
- the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
- the implementation process constitutes any limitation.
- system and “network” in this article are often used interchangeably in this article.
- the term “and/or” in this article is only an association relationship describing associated objects, which means that there can be three types of relationships. For example, A and/or B can mean that there is A alone, and both A and B exist. There are three cases of B.
- the character “/” in this text generally indicates that the associated objects before and after are in an "or” relationship.
Abstract
Description
Claims (77)
- 一种发送反馈信息的方法,其特征在于,包括:接收第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和指示第一反馈进程的信息;在所述第一上行资源上使用所述第一反馈进程发送第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况。
- 根据权利要求1所述的方法,其特征在于,所述指示第一反馈进程的信息为第一新反馈指示NFI和第一物理上行控制信道标识PUCCH-ID中的至少一个,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一反馈进程对应的反馈信息的接收情况或者是否只需要反馈第一反馈信息。
- 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:接收第二下行控制信息,所述第二下行控制信息包括指示第二上行资源的信息和第一指示信息,所述第一指示信息用于指示所述第一反馈信息未接收成功或者需要重新反馈第一反馈信息;在所述第二上行资源上发送所述第一反馈信息。
- 根据权利要求3所述的方法,其特征在于,所述第一指示信息为第一NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一PUCCH-ID对应的反馈信息未接收成功或者需要重新反馈所述第一PUCCH-ID对应的反馈信息。
- 根据权利要求3或4所述的方法,其特征在于,所述第二下行控制信息还包括指示第二下行数据的信息,所述方法还包括:在所述第二上行资源上使用所述第一反馈进程发送第二反馈信息,所述第二反馈信息用于指示所述第二下行数据的接收情况。
- 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:接收第三下行控制信息,所述第三下行控制信息包括第二指示信息,所述第二指示信息用于指示所述第一反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求6所述的方法,其特征在于,所述第二指示信息为第二NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第二NFI用于指示所述第一反馈进程对应的反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求6或7所述的方法,其特征在于,所述第三下行控制信息还包括指示第三下行数据的信息、指示第三上行资源的信息,所述方法还包括:在所述第三上行资源上使用所述第一反馈进程发送第三反馈信息,所述第三反馈信息用于指示所述第三下行数据的接收情况。
- 根据权利要求8所述的方法,其特征在于,所述在所述第三上行资源上使用所述第一反馈进程发送第三反馈信息之前,所述方法还包括:根据所述第二指示信息清空与所述第一反馈进程相关的缓存。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述第一下行控制信息还包括第一下行分配指示DAI,所述第一DAI与所述第一反馈进程之间存在关联关系。
- 根据权利要求1至10中任一项所述的方法,其特征在于,所述接收第一下行控制信息之前,所述方法还包括:接收配置信息,所述配置信息用于配置至少两个反馈进程,所述至少两个反馈进程包括所述第一反馈进程。
- 一种接收反馈信息的方法,其特征在于,包括:发送第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和指示第一反馈进程的信息;在所述第一上行资源上检测第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况,所述第一反馈信息与第一反馈进程之间存在关联关系。
- 根据权利要求12所述的方法,其特征在于,所述指示第一反馈进程的信息为第一新反馈指示NFI和第一物理上行控制信道标识PUCCH-ID中的至少一个,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一反馈进程对应的反馈信息的接收情况或者是否只需要反馈第一反馈信息。
- 根据权利要求12或13所述的方法,其特征在于,所述方法还包括:发送第二下行控制信息,包括指示第二上行资源的信息和第一指示信息,所述第一指示信息用于指示所述第一反馈信息未接收成功或者需要重新反馈第一反馈信息;在所述第二上行资源上检测所述第一反馈信息。
- 根据权利要求14所述的方法,其特征在于,所述第一指示信息为第一NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一PUCCH-ID对应的反馈信息未接收成功或者需要重新反馈所述第一PUCCH-ID对应的反馈信息。
- 根据权利要求14或15所述的方法,其特征在于,所述第二下行控制信息还包括指示第二下行数据的信息,所述方法还包括:在所述第二上行资源上检测第二反馈信息,所述第二反馈信息用于指示所述第二下行数据的接收情况,所述第二反馈信息与所述第一反馈进程之间存在关联关系。
- 根据权利要求12或13所述的方法,其特征在于,所述方法还包括:发送第三下行控制信息,所述第三下行控制信息包括第二指示信息,所述第二指示信息用于指示所述第一反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求17所述的方法,其特征在于,所述第二指示信息为第二NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第二NFI用于指示所述第一反馈进程对应的反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求17或18所述的方法,其特征在于,所述第三下行控制信息还包括指示第三下行数据的信息、指示第三上行资源的信息,所述方法还包括:在所述第三上行资源上检测第三反馈信息,所述第三反馈信息用于指示所述第三下行数据的接收情况,所述第三反馈信息与所述第一反馈进程存在关联关系。
- 根据权利要求19所述的方法,其特征在于,所述发送第三下行控制信息之前,所述方法还包括:清空与所述第一反馈进程相关的缓存。
- 根据权利要求12至20中任一项所述的方法,其特征在于,所述第一下行控制信 息包括第一下行分配指示DAI,所述第一DAI与所述第一反馈进程之间存在关联关系。
- 根据权利要求12至21中任一项所述的方法,其特征在于,所述发送第一下行控制信息之前,所述方法还包括:发送配置信息,所述配置信息用于配置至少两个反馈进程,所述至少两个反馈进程包括所述第一反馈进程。
- 一种发送反馈信息的装置,其特征在于,包括处理单元、接收单元和发送单元,所述处理单元用于控制所述接收单元执行:接收第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和指示第一反馈进程的信息;所述处理单元用于控制所述发送单元执行:在所述第一上行资源上使用所述第一反馈进程发送第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况。
- 根据权利要求23所述的装置,其特征在于,所述指示第一反馈进程的信息为第一新反馈指示NFI和第一物理上行控制信道标识PUCCH-ID中的至少一个,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一反馈进程对应的反馈信息的接收情况或者是否只需要反馈第一反馈信息。
- 根据权利要求23或24所述的装置,其特征在于,所述接收单元还用于:接收第二下行控制信息,所述第二下行控制信息包括指示第二上行资源的信息和第一指示信息,所述第一指示信息用于指示所述第一反馈信息未接收成功或者需要重新反馈第一反馈信息;所述发送单元还用于:在所述第二上行资源上发送所述第一反馈信息。
- 根据权利要求25所述的装置,其特征在于,所述第一指示信息为第一NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一PUCCH-ID对应的反馈信息未接收成功或者需要重新反馈所述第一PUCCH-ID对应的反馈信息。
- 根据权利要求25或26所述的装置,其特征在于,所述第二下行控制信息还包括指示第二下行数据的信息,所述发送单元还用于:在所述第二上行资源上发送第二反馈信息,所述第二反馈信息用于指示所述第二下行数据的接收情况。
- 根据权利要求23或24所述的装置,其特征在于,所述接收单元还用于:接收第三下行控制信息,所述第三下行控制信息包括第二指示信息,所述第二指示信息用于指示所述第一反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求28所述的装置,其特征在于,所述第二指示信息为第二NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第二NFI用于指示所述第一反馈进程对应的反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求28或29所述的装置,其特征在于,所述第三下行控制信息还包括指示第三下行数据的信息、指示第三上行资源的信息,所述发送单元还用于:在所述第三上行资源上使用所述第一反馈进程发送第三反馈信息,所述第三反馈信息用于指示所述第三下行数据的接收情况。
- 根据权利要求30所述的装置,其特征在于,所述处理单元还用于:根据所述第二指示信息清空与所述第一反馈进程相关的缓存。
- 根据权利要求23至31中任一项所述的装置,其特征在于,所述第一下行控制信息还包括第一下行分配指示DAI,所述第一DAI与所述第一反馈进程之间存在关联关系。
- 根据权利要求23至32中任一项所述的装置,其特征在于,所述接收单元还用于:接收配置信息,所述配置信息用于配置至少两个反馈进程,所述至少两个反馈进程包括所述第一反馈进程。
- 一种接收反馈信息的装置,其特征在于,包括处理单元、发送单元和接收单元,所述处理单元用于控制所述发送单元执行:发送第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和指示第一反馈进程的信息;所述处理单元用于控制所述接收单元执行:在所述第一上行资源上检测第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况,所述第一反馈信息与第一反馈进程之间存在关联关系。
- 根据权利要求34所述的装置,其特征在于,所述指示第一反馈进程的信息为第一新反馈指示NFI和第一物理上行控制信道标识PUCCH-ID中的至少一个,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一反馈进程对应的反馈信息的接收情况或者是否只需要反馈第一反馈信息。
- 根据权利要求34或35所述的装置,其特征在于,所述发送单元还用于:发送第二下行控制信息,包括指示第二上行资源的信息和第一指示信息,所述第一指示信息用于指示所述第一反馈信息未接收成功或者需要重新反馈第一反馈信息;所述接收单元还用于:在所述第二上行资源上检测所述第一反馈信息。
- 根据权利要求36所述的装置,其特征在于,所述第一指示信息为第一NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第一NFI用于指示所述第一PUCCH-ID对应的反馈信息未接收成功或者需要重新反馈所述第一PUCCH-ID对应的反馈信息。
- 根据权利要求36或37所述的装置,其特征在于,所述第二下行控制信息还包括指示第二下行数据的信息,所述接收单元还用于:在所述第二上行资源上检测第二反馈信息,所述第二反馈信息用于指示所述第二下行数据的接收情况。
- 根据权利要求34或35所述的装置,其特征在于,所述发送单元还用于:发送第三下行控制信息,所述第三下行控制信息包括第二指示信息,所述第二指示信息用于指示所述第一反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求39所述的装置,其特征在于,所述第二指示信息为第二NFI和第一PUCCH-ID,所述第一PUCCH-ID用于标识所述第一反馈进程,所述第二NFI用于指示所述第一反馈进程对应的反馈信息接收成功或者不需要重新反馈第一反馈信息。
- 根据权利要求39或40所述的装置,其特征在于,所述第三下行控制信息还包括指示第三下行数据的信息、指示第三上行资源的信息,所述接收单元还用于:在所述第三上行资源上检测第三反馈信息,所述第三反馈信息用于指示所述第三下行 数据的接收情况,所述第三反馈信息与所述第一反馈进程存在关联关系。
- 根据权利要求41所述的装置,其特征在于,所述处理单元还用于:清空与所述第一反馈进程相关的缓存。
- 根据权利要求34至42中任一项所述的装置,其特征在于,所述第一下行控制信息包括第一下行分配指示DAI,所述第一DAI与所述第一反馈进程之间存在关联关系。
- 根据权利要求34至43中任一项所述的装置,其特征在于,所述发送单元还用于:发送配置信息,所述配置信息用于配置至少两个反馈进程,所述至少两个反馈进程包括所述第一反馈进程。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储了计算机程序,当所述计算机程序被处理器执行时,使得处理器执行权利要求1至11中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储了计算机程序,当所述计算机程序被处理器执行时,使得处理器执行权利要求12至22中任一项所述的方法。
- 一种发送反馈信息的方法,其特征在于,包括:接收第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和第一标识;所述第一下行数据包括一个或多个数据,所述一个或多个数据对应一个或多个HARQ信息,所述一个或多个数据均与所述第一标识对应,所述第一反馈信息包括所述一个或多个HARQ信息;在所述第一上行资源上发送第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况。
- 根据权利要求47所述的方法,其特征在于,所述第一反馈信息包括多个所述第一下行控制信息对应的多个第一下行数据对应的HARQ信息;所述多个第一下行控制信息中均包括所述第一标识。
- 根据权利要求47或48所述的方法,其特征在于,所述第一下行控制信息中包括第一DAI,所述第一DAI与所述第一标识具有对应关系。
- 根据权利要求47-49任一项所述的方法,其特征在于,所述第一反馈信息包括的HARQ信息是根据所述第一DAI生成。
- 根据权利要求47-50任一项所述的方法,其特征在于,所述第一下行控制信息中包括NFI。
- 根据权利要求51所述的方法,其特征在于,所述NFI与所述第一标识对应。
- 根据权利要求47-52任一项所述的方法,其特征在于,所述方法还包括:根据至少两个所述第一下行控制信息确定所述第一反馈信息。
- 根据权利要求47-52任一项所述的方法,其特征在于,所述方法还包括:当所述两个所述第一下行控制信息中的第一标识相同,NFI的值不同时,生成所述第一反馈信息。
- 根据权利要求47-52任一项所述的方法,其特征在于,所述方法还包括:当所述两个所述第一下行控制信息中的NFI的值不同,所述NFI对应相同的第一标识时,清空所述第一反馈信息。
- 根据权利要求47-55任一项所述的方法,其特征在于,所述方法还包括:在所述第二上行资源上发送第二反馈信息,所述第二反馈信息用于指示第二下行数据的接收情况。
- 根据权利要求56所述的方法,其特征在于所述第二下行数据包括一个或多个数据,所述一个或多个数据对应一个或多个HARQ信息,所述一个或多个数据均与第二标识对应。
- 根据权利要求56或57所述的方法,其特征在于,所述方法还包括:接收触发信息,所述触发信息用于指示是否需要将第二反馈信息和第一反馈信息合并。
- 根据权利要求58所述的方法,其特征在于,所述触发信息对应的字段为“1”表示将第二反馈信息和第一反馈信息合并。
- 根据权利要求56-59任一项所述的方法,其特征在于,所述方法还包括:将第一反馈信息合并到第二反馈信息中一并发送给网络设备。
- 根据权利要求60所述的方法,其特征在于,当第一反馈信息合并到第二反馈信息中发送时,整个反馈信息中的ACK/NACK的排列方式是按照其对应的标识的顺序排列,或按照HARQ进程的顺序排列,或按照先排列需要重新传输的反馈信息后排列其他反馈信息的顺序。
- 一种发送反馈信息的装置,其特征在于,包括:接收单元,用于接收第一下行控制信息,所述第一下行控制信息包括指示第一下行数据的信息、指示第一上行资源的信息和第一标识;所述第一下行数据包括一个或多个数据,所述一个或多个数据对应一个或多个HARQ信息,所述一个或多个数据均与所述第一标识对应,所述第一反馈信息包括所述一个或多个HARQ信息;发送单元,用于在所述第一上行资源上发送第一反馈信息,所述第一反馈信息用于指示所述第一下行数据的接收情况。
- 根据权利要求62所述的装置,其特征在于,所述第一反馈信息包括多个所述第一下行控制信息对应的多个第一下行数据对应的HARQ信息;所述多个第一下行控制信息中均包括所述第一标识。
- 根据权利要求62或63所述的装置,其特征在于,所述第一下行控制信息中包括第一DAI,所述第一DAI与所述第一标识具有对应关系。
- 根据权利要求62-64任一项所述的装置,其特征在于,所述第一反馈信息包括的HARQ信息是根据所述第一DAI生成。
- 根据权利要求62-65任一项所述的装置,其特征在于,所述第一下行控制信息中包括NFI。
- 根据权利要求66所述的方法,其特征在于,所述NFI与所述第一标识对应。
- 根据权利要求62-67任一项所述的装置,其特征在于,所述装置还包括:处理单元,用于根据至少两个所述第一下行控制信息确定所述第一反馈信息。
- 根据权利要求62-67任一项所述的装置,其特征在于,所述处理单元还用于当所述两个所述第一下行控制信息中的第一标识相同,NFI的值不同时,生成所述第一反馈信息。
- 根据权利要求62-67任一项所述的方法,其特征在于,所述方法还包括:当所述两个所述第一下行控制信息中的NFI的值不同,所述NFI对应相同的第一标识时,清空所述第一反馈信息。
- 根据权利要求62-70任一项所述的装置,其特征在于,所述发送单元还用于在所述第二上行资源上发送第二反馈信息,所述第二反馈信息用于指示第二下行数据的接收情况。
- 根据权利要求71所述的装置,其特征在于所述第二下行数据包括一个或多个数据,所述一个或多个数据对应一个或多个HARQ 信息,所述一个或多个数据均与第二标识对应。
- 根据权利要求71或72所述的装置,其特征在于,所述接收单元还用于接收触发信息,所述触发信息用于指示是否需要将第二反馈信息和第一反馈信息合并。
- 根据权利要求73所述的装置,其特征在于,所述触发信息对应的字段为“1”表示将第二反馈信息和第一反馈信息合并。
- 根据权利要求71-74所述的装置,其特征在于,所述发送单元还用于将第一反馈信息合并到第二反馈信息中一并发送给网络设备。
- 根据权利要求75所述的装置,其特征在于,当第一反馈信息合并到第二反馈信息中发送时,整个反馈信息中的ACK/NACK的排列方式是按照其对应的标识的顺序排列,或按照HARQ进程的顺序排列,或按照先排列需要重新传输的反馈信息后排列其他反馈信息的顺序。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储了计算机程序,当所述计算机程序被处理器执行时,使得处理器执行权利要求47至61中任一项所述的方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20755746.3A EP3926869A4 (en) | 2019-02-15 | 2020-02-17 | METHOD AND DEVICE FOR SENDING FEEDBACK INFORMATION AND METHOD AND DEVICE FOR RECEIVING FEEDBACK INFORMATION |
KR1020217029652A KR20210127740A (ko) | 2019-02-15 | 2020-02-17 | 피드백 정보 전송 방법 및 장치, 그리고 피드백 정보 수신 방법 및 장치 |
CA3130250A CA3130250A1 (en) | 2019-02-15 | 2020-02-17 | Feedback information sending method and apparatus and feedback information receiving method and apparatus |
US17/403,615 US20210392675A1 (en) | 2019-02-15 | 2021-08-16 | Feedback information sending method and apparatus and feedback information receiving method and apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910117927 | 2019-02-15 | ||
CN201910117927.6 | 2019-02-15 | ||
CN201910390461.7A CN111585710B (zh) | 2019-02-15 | 2019-05-10 | 发送反馈信息的方法和装置和接收反馈信息的方法和装置 |
CN201910390461.7 | 2019-05-10 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/403,615 Continuation US20210392675A1 (en) | 2019-02-15 | 2021-08-16 | Feedback information sending method and apparatus and feedback information receiving method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020164631A1 true WO2020164631A1 (zh) | 2020-08-20 |
Family
ID=72043976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/075537 WO2020164631A1 (zh) | 2019-02-15 | 2020-02-17 | 发送反馈信息的方法和装置和接收反馈信息的方法和装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210392675A1 (zh) |
CN (1) | CN115085871A (zh) |
WO (1) | WO2020164631A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018080376A1 (en) * | 2016-10-26 | 2018-05-03 | Telefonaktiebolaget Lm Ericsson (Publ) | 5g congestion control |
CN108809524A (zh) * | 2017-04-28 | 2018-11-13 | 华为技术有限公司 | 传输反馈信息的方法和装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210297223A1 (en) * | 2018-08-09 | 2021-09-23 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving wireless signal in wireless communication system |
JP2022517480A (ja) * | 2018-11-08 | 2022-03-09 | 日本電気株式会社 | 装置、方法及びプログラム |
-
2019
- 2019-05-10 CN CN202210657757.2A patent/CN115085871A/zh active Pending
-
2020
- 2020-02-17 WO PCT/CN2020/075537 patent/WO2020164631A1/zh unknown
-
2021
- 2021-08-16 US US17/403,615 patent/US20210392675A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018080376A1 (en) * | 2016-10-26 | 2018-05-03 | Telefonaktiebolaget Lm Ericsson (Publ) | 5g congestion control |
CN108809524A (zh) * | 2017-04-28 | 2018-11-13 | 华为技术有限公司 | 传输反馈信息的方法和装置 |
Non-Patent Citations (1)
Title |
---|
HUAWEI; HISILICON: "Feature Lead Summary of HARQ Enhancement in NR-U", R1-1809921, 3GPP TSG RAN WG1 MEETING #94 GOTHENBURG, SWEDEN, 24 August 2018 (2018-08-24), XP051517276, DOI: 20200430150853Y * |
Also Published As
Publication number | Publication date |
---|---|
US20210392675A1 (en) | 2021-12-16 |
CN115085871A (zh) | 2022-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11005608B2 (en) | Wireless communication method, user equipment and eNode B | |
CN110999153B (zh) | 数据传输方法和装置 | |
CN111684835B (zh) | 反馈信息的指示方法及装置 | |
US11902943B2 (en) | Communication method and communications apparatus | |
US20220104236A1 (en) | Response information transmission method and apparatus | |
WO2021159375A1 (zh) | 边链路发送的重传方法以及装置 | |
EP3926869A1 (en) | Method and device for sending feedback information, and method and device for receiving feedback information | |
US20220123906A1 (en) | Communication method and communication apparatus | |
WO2018000373A1 (zh) | 一种数据传输方法、设备及系统 | |
WO2020177680A1 (zh) | 通信方法和通信装置 | |
US20230188301A1 (en) | Information Transmission Method and Communication Apparatus | |
WO2020098639A1 (zh) | 发送码本的方法和装置以及接收码本的方法和装置 | |
WO2020164631A1 (zh) | 发送反馈信息的方法和装置和接收反馈信息的方法和装置 | |
WO2019095971A1 (zh) | 一种通信方法及设备 | |
US20220368505A1 (en) | Data feedback method and apparatus | |
US20220123905A1 (en) | Method and device for feeding back sidelink transmission state | |
US10135575B2 (en) | Base station, user equipment, and adaptive retransmission method | |
WO2021226972A1 (zh) | 边链路反馈信息的发送和接收方法以及装置 | |
WO2021092947A1 (zh) | 通信方法和通信装置 | |
WO2021087831A1 (zh) | 通信方法和通信装置 | |
WO2021035450A1 (zh) | 一种数据传输方法和通信设备 | |
CN110612683B (zh) | 一种上行数据的协作接收方法及网络设备 | |
WO2020029287A1 (zh) | 反馈信息的方法、终端、芯片和存储介质 | |
WO2024007155A1 (en) | Data transmission acknowledgement, apparatus, and storage medium | |
WO2021102763A1 (zh) | 接收物理下行共享信道的方法和装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20755746 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 3130250 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20217029652 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2020755746 Country of ref document: EP Effective date: 20210913 |