阅读说明：本技术 一种用于非授权频谱的无线通信方法及装置、通信设备 (Wireless communication method and device for unlicensed spectrum and communication equipment ) 是由 吴作敏 贺传峰 于 2019-03-29 设计创作，主要内容包括：本申请实施例提供一种用于非授权频谱的无线通信方法及装置、通信设备,该方法包括：第一设备通过第一信道占用时间COT内的第一传输机会,向第二设备发送第一信息,其中,所述第一传输机会对应的信道接入方案是根据第二传输机会确定的,所述第二传输机会为所述第一COT内所述第一传输机会之前的最近一次传输机会,所述第一COT是所述第一设备获得的COT或所述第二设备获得的COT。(The embodiment of the application provides a wireless communication method, a wireless communication device and communication equipment for an unlicensed spectrum, wherein the method comprises the following steps: the method includes that a first device sends first information to a second device through a first transmission opportunity in a first channel occupation time COT, wherein a channel access scheme corresponding to the first transmission opportunity is determined according to a second transmission opportunity, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity in the first COT, and the first COT is a COT obtained by the first device or a COT obtained by the second device.)

A method of wireless communication for unlicensed spectrum, the method comprising:

the method includes that a first device sends first information to a second device through a first transmission opportunity in a first channel occupation time COT, wherein a channel access scheme corresponding to the first transmission opportunity is determined according to a second transmission opportunity, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity in the first COT, and the first COT is a COT obtained by the first device or a COT obtained by the second device.

The method of claim 1, wherein the first transmission opportunity is an nth transmission opportunity within the first COT, the second transmission opportunity is an N-1 st transmission opportunity within the first COT, N being a positive integer greater than or equal to 2.

The method of claim 2, wherein N is a positive integer greater than 2, and the channel access scheme for the first transmission opportunity is determined according to a second transmission opportunity, comprising:

if a channel access scheme corresponding to at least one transmission opportunity from the 2 nd transmission opportunity to the N-1 th transmission opportunity in the first COT is a second channel access scheme, the channel access scheme corresponding to the first transmission opportunity is the second channel access scheme.

The method of any of claims 1-3, wherein the channel access scheme for the first transmission opportunity is determined from a second transmission opportunity, comprising:

and if the channel access scheme corresponding to the second transmission opportunity is the second channel access scheme, the channel access scheme corresponding to the first transmission opportunity is the second channel access scheme.

The method of claim 2, wherein N is a positive integer greater than 2, and the channel access scheme for the first transmission opportunity is determined according to the second transmission opportunity, including one of:

if the channel access schemes corresponding to the 2 nd transmission opportunity to the (N-1) th transmission opportunity in the first COT are all first channel access schemes, and the first time length is less than or equal to a first threshold value, the channel access scheme corresponding to the first transmission opportunity is the first channel access scheme;

if the channel access schemes corresponding to the 2 nd transmission opportunity to the (N-1) th transmission opportunity in the first COT are all first channel access schemes, and the first time length is greater than a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

wherein the first time length is a time length between an end time of the second transmission opportunity and a start time of the first transmission opportunity.

The method of claim 1 or 2, wherein the channel access scheme for the first transmission opportunity is determined from the second transmission opportunity, comprising one of:

if the first device receives the second information on the second transmission opportunity before the first transmission opportunity is sent, and the first time length is less than or equal to a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a first channel access scheme;

if the first device receives second information on the second transmission opportunity before the first transmission opportunity is sent, and the first time length is greater than a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

if the first device does not receive the second information on the second transmission opportunity before the first transmission opportunity is sent, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

wherein the first time length is a time length between an end time of the second transmission opportunity and a start time of the first transmission opportunity.

The method of claim 6, wherein the second information comprises at least one of: hybrid automatic repeat request-acknowledgement HARQ-ACK feedback information, transport block decoding information, control channels, reference signals.

The method of claim 5 or 6, wherein the first channel access scheme is: no channel detection is required before the transmission opportunity is transmitted.

The method of any of claims 3 to 6, wherein the second channel access scheme is: single slot channel detection is required before transmission of a transmission opportunity.

The method of any of claims 1-9, wherein the first device is a network device and the second device is a terminal device.

The method according to claim 10, wherein the first device receives second information on the second transmission opportunity before the first transmission opportunity is transmitted, and the second information includes information that the uplink transport block decoding sent by the terminal device on the second transmission opportunity is correct and/or uplink control information sent by the terminal device on the second transmission opportunity.

The method of any of claims 1-9, wherein the first device is a terminal device and the second device is a network device.

The method of claim 12, wherein the first device receives second information on the second transmission opportunity before the first transmission opportunity is transmitted, and the second information includes information that a downlink transport block transmitted on the second transmission opportunity by the network device is correctly decoded and/or a PDCCH transmitted on the second transmission opportunity by the network device.

The method of any of claims 1-9, wherein the first device is a first terminal device and the second device is a second terminal device.

The method of claim 14, wherein the first device receives second information on the second transmission opportunity before the first transmission opportunity is transmitted, the second information comprising scheduling information and/or decoding information of a transport block transmitted by the second terminal device to the first terminal device on the second transmission opportunity.

A method of wireless communication for unlicensed spectrum, the method comprising:

the terminal device sends uplink information to the network device via the first transmission opportunity, wherein,

the first transmission opportunity is a transmission opportunity within a first channel occupation time COT obtained by the network device, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity within the first COT, and a first time interval between an end time of the second transmission opportunity and a start time of the first transmission opportunity is less than or equal to a first threshold value.

The method of claim 16, wherein the terminal device does not expect to receive signals on a first time period that is trailing in the second transmission opportunity.

The method of claim 17, wherein the first time period comprises a last symbol in the second transmission opportunity.

The method according to claim 17 or 18, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and a downlink channel or a downlink signal transmitted to the terminal device by the network device is not included in the first time period.

The method according to any one of claims 17 to 19, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and the first time period does not include a synchronization signal block SSB, and/or a physical downlink control channel PDCCH carrying common information, and/or a physical downlink shared channel PDSCH carrying common information.

The method of any of claims 17 to 20, wherein the time interval for the terminal device to switch from receiving to transmitting a signal is a second time interval, the second time interval being greater than the first time interval.

The method of claim 16, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and the terminal device transmits uplink information to the network device through the first transmission opportunity, and the method comprises:

and the terminal equipment starts to send uplink information to the network equipment at a first time after the second transmission opportunity ends, wherein a time interval between the end time of the second transmission opportunity and the first time is a second time interval when the terminal equipment is switched from receiving signals to sending signals.

The method of claim 22, wherein the second time interval is less than the first time interval, the method further comprising:

the terminal device transmits an extended cyclic prefix of a first symbol in the first transmission opportunity on a time resource between the first time instant and a starting time instant of the first transmission opportunity.

The method of claim 16, wherein before the terminal device sends uplink information to the network device via the first transmission opportunity, the method further comprises:

and the terminal equipment reports indication information to the network equipment, wherein the indication information is used for determining a second time interval for converting the terminal equipment from a received signal to a sent signal or a range to which the second time interval belongs.

The method of claim 24, wherein the first time interval is determined by the network device from the indication information.

The method of claim 24 or 25, wherein the second time interval is less than or equal to the first time interval.

A method of wireless communication for unlicensed spectrum, the method comprising:

the network device sends downlink information to the terminal device via the first transmission opportunity, wherein,

the first transmission opportunity is a transmission opportunity within a first channel occupation time COT obtained by the terminal device, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity within the first COT, and a first time interval between an ending time of the second transmission opportunity and a starting time of the first transmission opportunity is smaller than or equal to a first threshold value.

The method of claim 27, wherein the network device does not expect to receive signals on a first time period that is trailing in the second transmission opportunity.

The method of claim 28, wherein the first time period comprises a last symbol in the second transmission opportunity.

The method according to claim 28 or 29, wherein the second transmission opportunity is a transmission opportunity for uplink transmission by the terminal device, and the first time period does not include a valid uplink channel or a valid uplink signal of the terminal device.

The method of any of claims 28 to 30, wherein a time interval for the network device to switch from receiving signals to transmitting signals is a second time interval, the second time interval being greater than the first time interval.

The method of claim 27, wherein the second transmission opportunity is a transmission opportunity for uplink transmission by the terminal device, and the network device transmits downlink information to the terminal device through the first transmission opportunity, and the method includes:

and the network equipment starts to send downlink information to the terminal equipment at a first time after the second transmission opportunity ends, wherein a time interval between the end time of the second transmission opportunity and the first time is a second time interval when the network equipment switches from receiving signals to sending signals.

The method of claim 32, wherein the second time interval is less than the first time interval, the method further comprising:

the network device transmits an extended cyclic prefix of a first symbol in the first transmission opportunity on time resources between the first time instant and a starting time instant of the first transmission opportunity.

A wireless communications apparatus for unlicensed spectrum, for application to a first device, the apparatus comprising:

a sending unit, configured to send first information to a second device through a first transmission opportunity within a first channel occupancy time COT, wherein,

the channel access scheme corresponding to the first transmission opportunity is determined according to a second transmission opportunity, where the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity in the first COT, and the first COT is a COT obtained by the first device or a COT obtained by the second device.

The apparatus of claim 34, wherein the first transmission opportunity is an nth transmission opportunity within the first COT, the second transmission opportunity is an N-1 st transmission opportunity within the first COT, N being a positive integer greater than or equal to 2.

The apparatus of claim 35, wherein N is a positive integer greater than 2, and a channel access scheme for the first transmission opportunity is determined based on a second transmission opportunity, comprising:

if a channel access scheme corresponding to at least one transmission opportunity from the 2 nd transmission opportunity to the N-1 th transmission opportunity in the first COT is a second channel access scheme, the channel access scheme corresponding to the first transmission opportunity is the second channel access scheme.

The apparatus of any of claims 34 to 36, wherein the channel access scheme for the first transmission opportunity is determined from a second transmission opportunity, comprising:

and if the channel access scheme corresponding to the second transmission opportunity is the second channel access scheme, the channel access scheme corresponding to the first transmission opportunity is the second channel access scheme.

The apparatus of claim 35, wherein N is a positive integer greater than 2, and the channel access scheme for the first transmission opportunity is determined based on the second transmission opportunity, comprising one of:

if the channel access schemes corresponding to the 2 nd transmission opportunity to the (N-1) th transmission opportunity in the first COT are all first channel access schemes, and the first time length is less than or equal to a first threshold value, the channel access scheme corresponding to the first transmission opportunity is the first channel access scheme;

if the channel access schemes corresponding to the 2 nd transmission opportunity to the (N-1) th transmission opportunity in the first COT are all first channel access schemes, and the first time length is greater than a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

wherein the first time length is a time length between an end time of the second transmission opportunity and a start time of the first transmission opportunity.

The apparatus of claim 34 or 35, wherein the channel access scheme for the first transmission opportunity is determined based on the second transmission opportunity, comprising one of:

if the first device receives the second information on the second transmission opportunity before the first transmission opportunity is sent, and the first time length is less than or equal to a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a first channel access scheme;

if the first device receives second information on the second transmission opportunity before the first transmission opportunity is sent, and the first time length is greater than a first threshold value, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

if the first device does not receive the second information on the second transmission opportunity before the first transmission opportunity is sent, the channel access scheme corresponding to the first transmission opportunity is a second channel access scheme;

wherein the first time length is a time length between an end time of the second transmission opportunity and a start time of the first transmission opportunity.

The apparatus of claim 39, wherein the second information comprises at least one of: hybrid automatic repeat request-acknowledgement HARQ-ACK feedback information, transport block decoding information, control channels, reference signals.

The apparatus of claim 38 or 39, wherein the first channel access scheme is: no channel detection is required before the transmission opportunity is transmitted.

The apparatus of any one of claims 36 to 39, wherein the second channel access scheme is: single slot channel detection is required before transmission of a transmission opportunity.

The apparatus of any of claims 34-42, wherein the first device is a network device and the second device is a terminal device.

The apparatus of claim 43, wherein the apparatus further comprises:

a receiving unit, configured to receive second information on the second transmission opportunity before the first transmission opportunity is sent, where the second information includes information that an uplink transport block sent by the terminal device on the second transmission opportunity is decoded correctly and/or uplink control information sent by the terminal device on the second transmission opportunity.

The apparatus of any of claims 34-42, wherein the first device is a terminal device and the second device is a network device.

The apparatus of claim 45, wherein the apparatus further comprises:

a receiving unit, configured to receive second information on the second transmission opportunity before the first transmission opportunity is sent, where the second information includes information that a downlink transport block sent by the network device on the second transmission opportunity is decoded correctly and/or a PDCCH sent by the network device on the second transmission opportunity.

The apparatus of any of claims 34 to 42, wherein the first device is a first terminal device and the second device is a second terminal device.

The apparatus of claim 47, wherein the apparatus further comprises:

a receiving unit, configured to receive second information on the second transmission opportunity before the first transmission opportunity is sent, where the second information includes scheduling information and/or decoding information of a transport block that is sent by the second terminal device to the first terminal device on the second transmission opportunity.

A wireless communications apparatus for unlicensed spectrum, for application to a terminal device, the apparatus comprising:

a communication unit for transmitting uplink information to a network device through a first transmission opportunity, wherein,

the first transmission opportunity is a transmission opportunity within a first channel occupation time COT obtained by the network device, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity within the first COT, and a first time interval between an end time of the second transmission opportunity and a start time of the first transmission opportunity is less than or equal to a first threshold value.

The apparatus of claim 49, wherein the communication unit does not expect to receive signals on a first time period that is trailing in the second transmission opportunity.

The apparatus of claim 50, wherein the first time period comprises a last symbol in the second transmission opportunity.

The apparatus according to claim 50 or 51, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and a downlink channel or a downlink signal transmitted to the terminal device by the network device is not included in the first time period.

The apparatus according to any one of claims 50 to 52, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and a Synchronization Signal Block (SSB) and/or a Physical Downlink Control Channel (PDCCH) carrying common information and/or a Physical Downlink Shared Channel (PDSCH) carrying common information are not included in the first time period.

The apparatus of any of claims 50-53, wherein a time interval for the communication unit to transition from receiving signals to transmitting signals is a second time interval, the second time interval being greater than the first time interval.

The apparatus of claim 49, wherein the second transmission opportunity is a transmission opportunity for downlink transmission by the network device, and the communication unit is configured to start transmitting uplink information to the network device at a first time after the second transmission opportunity ends, where a time interval between an end time of the second transmission opportunity and the first time is a second time interval when the terminal device switches from receiving a signal to transmitting a signal.

The apparatus of claim 55, wherein the second time interval is less than the first time interval, the communication unit further configured to transmit an extended cyclic prefix of a first symbol of the first transmission opportunity on a time resource between the first time instant and a starting time instant of the first transmission opportunity.

The apparatus of claim 49, wherein the communication unit is further configured to report, to the network device, indication information used for determining a second time interval during which the terminal device switches from receiving a signal to transmitting a signal, or a range to which the second time interval belongs.

The apparatus of claim 57, wherein the first time interval is determined by the network device from the indication information.

The apparatus of claim 57 or 58, wherein the second time interval is less than or equal to the first time interval.

A wireless communications apparatus for unlicensed spectrum, for application to a network device, the apparatus comprising:

a communication unit for transmitting downlink information to the terminal device via the first transmission opportunity, wherein,

the first transmission opportunity is a transmission opportunity within a first channel occupation time COT obtained by the terminal device, the second transmission opportunity is a latest transmission opportunity before the first transmission opportunity within the first COT, and a first time interval between an ending time of the second transmission opportunity and a starting time of the first transmission opportunity is smaller than or equal to a first threshold value.

The apparatus of claim 60, wherein the communication unit does not expect to receive signals on a first time period that is trailing in the second transmission opportunity.

The apparatus of claim 61, wherein the first time period comprises a last symbol in the second transmission opportunity.

The apparatus of claim 61 or 62, wherein the second transmission opportunity is a transmission opportunity for uplink transmission by the terminal device, and an active uplink channel or an active uplink signal of the terminal device is not included in the first time period.

The apparatus of any one of claims 61-63, wherein a time interval for the communication unit to transition from receiving signals to transmitting signals is a second time interval, the second time interval being greater than the first time interval.

The apparatus of claim 60, wherein the second transmission opportunity is a transmission opportunity for uplink transmission by the terminal device, and the communication unit is configured to start transmitting downlink information to the terminal device at a first time after the second transmission opportunity ends, where a time interval between an end time of the second transmission opportunity and the first time is a second time interval when the network device switches from receiving a signal to transmitting a signal.

The apparatus of claim 65, wherein the second time interval is less than the first time interval, the communication unit further configured to transmit an extended cyclic prefix of a first symbol of the first transmission opportunity on a time resource between the first time instant and a starting time instant of the first transmission opportunity.

A communication device, comprising: a processor and a memory for storing a computer program, the processor being configured to invoke and execute the computer program stored in the memory, to perform the method of any of claims 1 to 15, or the method of any of claims 16 to 26, or the method of any of claims 27 to 33.

A chip, comprising: a processor for calling and running a computer program from a memory to cause a device on which the chip is installed to perform the method of any of claims 1 to 15, or the method of any of claims 16 to 26, or the method of any of claims 27 to 33.

A computer readable storage medium storing a computer program for causing a computer to perform the method of any of claims 1 to 15, or the method of any of claims 16 to 26, or the method of any of claims 27 to 33.

A computer program product comprising computer program instructions to cause a computer to perform the method of any of claims 1 to 15, or the method of any of claims 16 to 26, or the method of any of claims 27 to 33.

A computer program for causing a computer to perform the method of any one of claims 1 to 15, or the method of any one of claims 16 to 26, or the method of any one of claims 27 to 33.