Wireless communication method, network equipment and terminal equipment
阅读说明：本技术 无线通信方法、网络设备和终端设备 (Wireless communication method, network equipment and terminal equipment ) 是由 吴作敏 于 2019-09-30 设计创作，主要内容包括：本申请实施例提供了一种无线通信方法、网络设备和终端设备,对于FBE的信道接入方式,可以保证SSB可以有更多的机会进行发送,从而保证非授权频谱上的频谱资源的公平共享。该无线通信方法包括：网络设备确定第一帧周期,其中,该第一帧周期用于数据传输；该网络设备确定DRS传输周期的目标时间区间,其中,该目标时间区间用于SSB传输,该目标时间区间包括至少一个SSB的候选位置,该至少一个SSB中的第一SSB对应至少一个第一SSB候选位置；该网络设备根据该第一帧周期与该目标时间区间之间的位置关系发送该第一SSB。(The embodiment of the application provides a wireless communication method, network equipment and terminal equipment, and for an FBE channel access mode, the SSB can be ensured to have more opportunities to transmit, so that the fair sharing of spectrum resources on an unlicensed spectrum is ensured. The wireless communication method includes: the network equipment determines a first frame period, wherein the first frame period is used for data transmission; the network device determines a target time interval of a DRS transmission cycle, where the target time interval is used for SSB transmission, the target time interval includes candidate locations of at least one SSB, and a first SSB of the at least one SSB corresponds to the at least one first SSB candidate location; the network device sends the first SSB according to a location relationship between the first frame period and the target time interval.)
A method of wireless communication, comprising:
the method comprises the steps that a network device determines a first frame period, wherein the first frame period is used for data transmission;
the network equipment determines a target time interval of a Discovery Reference Signal (DRS) transmission cycle, wherein the target time interval is used for transmission of a Synchronization Signal Block (SSB), the target time interval comprises at least one SSB candidate position, and a first SSB in the at least one SSB corresponds to the at least one first SSB candidate position;
and the network equipment sends the first SSB according to the position relation between the first frame period and the target time interval.
The method of claim 1, wherein the target time interval comprises one of:
a DRS window in the DRS transmission period;
a second frame period, wherein the second frame period comprises one of:
a frame period corresponding to the DRS transmission period;
and occupying time of a channel corresponding to a DRS window in the DRS transmission period.
The method of claim 2, wherein the DRS window is determined by the network device via protocol conventions or higher layer configuration.
The method of claim 2, wherein the second frame period is dynamically configured by the network device.
The method according to any one of claims 1 to 4,
the network device allows listen before talk, LBT, before the beginning of a subframe within the target time interval; and/or the presence of a gas in the gas,
the network device allows LBT before the start of the at least one first SSB candidate location.
The method according to any of claims 1 to 5, wherein the first frame period is determined by the network device by means of protocol agreement or higher layer configuration.
The method according to any of claims 1 to 6, wherein the positional relationship between the first frame period and the target time interval is: the target time interval is located within a channel occupation time in the first frame period.
The method of claim 7, wherein the network device sends the first SSB according to a location relationship between the first frame period and the target time interval, comprising:
in a case that the network device fails LBT before the first frame period starts, the network device performs LBT on a first LBT opportunity corresponding to the target time interval, the first LBT opportunity being used for transmitting the first SSB;
the network device determines whether to send the first SSB according to the LBT result on the first LBT opportunity.
The method of claim 7, wherein the network device sends the first SSB according to a location relationship between the first frame period and the target time interval, comprising:
on a condition that the LBT of the network device is successful before the start of the first frame period, the network device transmits the first SSB through the at least one first SSB candidate location within the target time interval.
The method according to any one of claims 1 to 6, wherein the positional relationship of the first frame period to the target time interval comprises:
the target time interval is located in an idle time in the first frame period; alternatively, the first and second electrodes may be,
a first portion of the resources in the target time interval are located within the channel occupancy time in the first frame period, and a second portion of the resources in the target time interval are located within the idle time in the first frame period.
The method of claim 10, wherein a first portion of the resources in the target time interval are located within a channel occupancy time in the first frame period and a second portion of the resources in the target time interval are located within an idle time in the first frame period, comprising:
the first part of time domain resources is located at the end position of the channel occupation time in the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position of the channel occupation time of the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position and the ending position of the channel occupation time in the first frame period, and the second part of time domain resources are overlapped with the idle time in the first frame period.
The method according to claim 10 or 11, wherein the network device sends the first SSB according to a location relationship between the first frame period and the target time interval, and comprises:
the network device does not perform LBT on a first LBT opportunity corresponding to the target time interval, and/or the network device does not send the first SSB on the at least one first SSB candidate location within the target time interval, where the first LBT opportunity is used for sending the first SSB.
The method according to claim 10 or 11, wherein the network device sends the first SSB according to a location relationship between the first frame period and the target time interval, and comprises:
the network device performs LBT on a first LBT opportunity corresponding to the target time interval, wherein the first LBT opportunity is used for sending the first SSB;
the network device determines whether to send the first SSB according to the LBT result on the first LBT opportunity.
The method of any of claims 10 to 13, wherein the target time interval at least partially overlaps time domain resources corresponding to a second LBT opportunity, wherein the second LBT opportunity comprises the LBT opportunity corresponding to the first frame period.
The method according to any one of claims 1 to 14, further comprising:
the network device configures a third frame period for transmission of channels or signals having a priority greater than or equal to a first threshold.
The method of claim 15, wherein the third frame period corresponds to a third LBT opportunity, and wherein the network device determines whether to use the channel occupancy time in the third frame period according to an LBT result at the third LBT opportunity.
A method of wireless communication, comprising:
the method comprises the steps that terminal equipment determines a first frame period, wherein the first frame period is used for data transmission;
the terminal device determines a target time interval of a Discovery Reference Signal (DRS) transmission cycle, wherein the target time interval is used for transmission of a Synchronization Signal Block (SSB), the target time interval includes at least one SSB candidate position, and a first SSB in the at least one SSB corresponds to the at least one first SSB candidate position;
and the terminal equipment detects the first SSB according to the position relation between the first frame period and the target time interval.
The method of claim 17, wherein the target time interval comprises one of:
a DRS window in the DRS transmission period;
a second frame period, wherein the second frame period comprises one of:
a frame period corresponding to the DRS transmission period;
and occupying time of a channel corresponding to a DRS window in the DRS transmission period.
The method of claim 18, wherein the determining, by the terminal device, the target time interval for the DRS transmission period comprises:
the terminal equipment receives first information, and the first information is used for configuring the DRS window;
and the terminal equipment determines the DRS window according to the first information.
The method of claim 18, wherein the determining, by the terminal device, the target time interval for the DRS transmission period comprises:
the terminal equipment receives second information, and the second information is used for configuring the second frame period;
and the terminal equipment determines the second frame period according to the second information.
The method according to any of claims 17 to 20, wherein the terminal device determines the first frame period, comprising:
the terminal equipment receives third information, wherein the third information is used for configuring the first frame period;
and the terminal equipment determines the first frame period according to the third information.
The method according to any of the claims 17 to 21, wherein the positional relationship between the first frame period and the target time interval is: the target time interval is located within a channel occupation time in the first frame period.
The method according to claim 22, wherein the terminal device detects the first SSB according to a position relationship between the first frame period and the target time interval, and comprises:
and under the condition that the terminal equipment does not receive downlink signals within the channel occupation time of the first frame period, the terminal equipment blindly detects the first SSB at the at least one first SSB candidate position within the target time interval.
The method according to claim 22, wherein the terminal device detects the first SSB according to a position relationship between the first frame period and the target time interval, and comprises:
and under the condition that the terminal equipment receives a downlink signal within the channel occupation time of the first frame period, the terminal equipment blindly detects the first SSB at the at least one first SSB candidate position within the target time interval.
The method according to any one of claims 17 to 21, wherein the positional relationship of the first frame period to the target time interval comprises:
the target time interval is located in an idle time in the first frame period; alternatively, the first and second electrodes may be,
a first portion of the resources in the target time interval are located within the channel occupancy time in the first frame period, and a second portion of the resources in the target time interval are located within the idle time in the first frame period.
The method of claim 25, wherein a first portion of the resources in the target time interval are located within a channel occupancy time in the first frame period, and wherein a second portion of the resources in the target time interval are located within an idle time in the first frame period, comprises:
the first part of time domain resources is located at the end position of the channel occupation time in the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position of the channel occupation time of the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position and the ending position of the channel occupation time in the first frame period, and the second part of time domain resources are overlapped with the idle time in the first frame period.
The method according to claim 25 or 26, wherein the detecting, by the terminal device, the first SSB according to the position relationship between the first frame period and the target time interval comprises:
the terminal device does not detect the first SSB at the at least one first SSB candidate position within the target time interval.
The method according to claim 25 or 26, wherein the detecting, by the terminal device, the first SSB according to the position relationship between the first frame period and the target time interval comprises:
the terminal device blindly detects the first SSB at the at least one first SSB candidate position in the target time interval.
The method of any one of claims 25 to 28, wherein the target time interval at least partially overlaps time domain resources corresponding to a second LBT opportunity, wherein the second LBT opportunity comprises the LBT opportunity corresponding to the first frame period.
The method of any one of claims 17 to 29, further comprising:
and the terminal equipment receives third information, wherein the third information is used for configuring a third frame period, and the third frame period is used for transmitting channels or signals with the priority greater than or equal to the first threshold.
The method of claim 30, further comprising:
and the terminal equipment receives the channels or signals with the priority greater than or equal to the first threshold value in the channel occupation time in the third frame period.
The method of any one of claims 17 to 31, further comprising:
and the terminal equipment measures the first SSB according to the position relation between the first frame period and the target time interval.
A network device, comprising:
a processing unit, configured to determine a first frame period, where the first frame period is used for data transmission;
the processing unit is further configured to determine a target time interval of a discovery reference signal DRS transmission cycle, where the target time interval is used for transmission of a synchronization signal block SSB, the target time interval includes at least one candidate location of an SSB, and a first SSB of the at least one SSB corresponds to the at least one first SSB candidate location;
the processing unit is further configured to send the first SSB according to a position relationship between the first frame period and the target time interval.
The network device of claim 33, wherein the target time interval comprises one of:
a DRS window in the DRS transmission period;
a second frame period, wherein the second frame period comprises one of:
a frame period corresponding to the DRS transmission period;
and occupying time of a channel corresponding to a DRS window in the DRS transmission period.
The network device of claim 34, wherein the DRS window is determined by the network device via protocol conventions or higher layer configuration.
The network device of claim 34, wherein the second frame period is dynamically configured for the network device.
The network device of any one of claims 33 to 36,
the network device allows listen before talk, LBT, before the beginning of a subframe within the target time interval; and/or the presence of a gas in the gas,
the network device allows LBT before the start of the at least one first SSB candidate location.
The network device according to any of claims 33 to 37, wherein the first frame period is determined by the network device by means of protocol convention or higher layer configuration.
The network device of any one of claims 33 to 38, wherein a positional relationship between the first frame period and the target time interval is: the target time interval is located within a channel occupation time in the first frame period.
The network device of claim 39, wherein the processing unit is specifically configured to:
performing LBT on a first LBT opportunity corresponding to the target time interval under the condition that the network device fails in LBT before the first frame period starts, wherein the first LBT opportunity is used for sending the first SSB;
determining whether to send the first SSB according to the LBT result on the first LBT opportunity.
The network device of claim 39, wherein the processing unit is specifically configured to:
on a condition that the LBT of the network device is successful before the start of the first frame period, transmitting the first SSB through the at least one first SSB candidate location within the target time interval.
The network device of any one of claims 33-38, wherein the positional relationship of the first frame period to the target time interval comprises:
the target time interval is located in an idle time in the first frame period; alternatively, the first and second electrodes may be,
a first portion of resources in the target time interval is located within a channel occupancy time in the first frame period, and a second portion of resources in the target time interval is located within an idle time in the first frame period.
The network device of claim 42, wherein a first portion of the resources in the target time interval are located within a channel occupancy time in the first frame period, and wherein a second portion of the resources in the target time interval are located within an idle time in the first frame period, comprises:
the first part of time domain resources is located at the end position of the channel occupation time in the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position of the channel occupation time of the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position and the ending position of the channel occupation time in the first frame period, and the second part of time domain resources are overlapped with the idle time in the first frame period.
The network device according to claim 42 or 43, wherein the processing unit is specifically configured to:
and not performing LBT on a first LBT opportunity corresponding to the target time interval, and/or not sending the first SSB on the at least one first SSB candidate position within the target time interval, wherein the first LBT opportunity is used for sending the first SSB.
The network device according to claim 42 or 43, wherein the processing unit is specifically configured to:
performing LBT on a first LBT opportunity corresponding to the target time interval, wherein the first LBT opportunity is used for sending the first SSB;
determining whether to send the first SSB according to the LBT result on the first LBT opportunity.
The network device of any one of claims 42-45, wherein the target time interval at least partially overlaps a time domain resource to which a second LBT opportunity corresponds, wherein the second LBT opportunity comprises the LBT opportunity to which the first frame period corresponds.
The network device of any of claims 33-46, wherein the processing unit is further configured to configure a third frame period for transmission of channels or signals having a priority greater than or equal to a first threshold.
The network device of claim 47, wherein the third frame period corresponds to a third LBT opportunity, and wherein the network device determines whether to use the channel occupancy time in the third frame period according to an LBT result at the third LBT opportunity.
A terminal device, comprising:
a processing unit, configured to determine a first frame period, where the first frame period is used for data transmission;
the processing unit is further configured to determine a target time interval of a discovery reference signal DRS transmission cycle, where the target time interval is used for transmission of a synchronization signal block SSB, the target time interval includes at least one candidate location of an SSB, and a first SSB of the at least one SSB corresponds to the at least one first SSB candidate location;
a communication unit, configured to detect the first SSB according to a position relationship between the first frame period and the target time interval.
The terminal device of claim 49, wherein the target time interval comprises one of:
a DRS window in the DRS transmission period;
a second frame period, wherein the second frame period comprises one of:
a frame period corresponding to the DRS transmission period;
and occupying time of a channel corresponding to a DRS window in the DRS transmission period.
The terminal device of claim 50,
the communication unit is further configured to receive first information, where the first information is used to configure the DRS window;
the processing unit is further configured to determine the DRS window according to the first information.
The terminal device of claim 50,
the communication unit is further configured to receive second information, where the second information is used to configure the second frame period;
the processing unit is further configured to determine the second frame period according to the second information.
The terminal device of any one of claims 49-52,
the communication unit is further configured to receive third information, where the third information is used to configure the first frame period;
the processing unit is further configured to determine the first frame period according to the third information.
The terminal device of any one of claims 49 to 53, wherein a positional relationship between the first frame period and the target time interval is: the target time interval is located within a channel occupation time in the first frame period.
The terminal device of claim 54, wherein the communication unit is specifically configured to:
and under the condition that the terminal equipment does not receive downlink signals within the channel occupation time of the first frame period, blindly detecting the first SSB at the at least one first SSB candidate position within the target time interval.
The terminal device of claim 54, wherein the communication unit is specifically configured to:
and under the condition that the terminal equipment receives a downlink signal within the channel occupation time of the first frame period, blindly detecting the first SSB at the at least one first SSB candidate position within the target time interval.
The terminal device of any of claims 49-53, wherein the positional relationship of the first frame period to the target time interval comprises:
the target time interval is located in an idle time in the first frame period; alternatively, the first and second electrodes may be,
a first portion of the resources in the target time interval are located within the channel occupancy time in the first frame period, and a second portion of the resources in the target time interval are located within the idle time in the first frame period.
The terminal device of claim 57, wherein a first portion of resources in the target time interval are located within channel occupancy time in the first frame period, and wherein a second portion of resources in the target time interval are located within idle time in the first frame period, comprising:
the first part of time domain resources is located at the end position of the channel occupation time in the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position of the channel occupation time of the first frame period; alternatively, the first and second electrodes may be,
the first part of time domain resources are located at the starting position and the ending position of the channel occupation time in the first frame period, and the second part of time domain resources are overlapped with the idle time in the first frame period.
The terminal device according to claim 57 or 58, wherein the communication unit is specifically configured to:
not detecting the first SSB at the at least one first SSB candidate location within the target time interval.
The terminal device according to claim 57 or 58, wherein the communication unit is specifically configured to:
blindly detecting the first SSB on the at least one first SSB candidate location within the target time interval.
The terminal device of any one of claims 57-60, wherein the target time interval at least partially overlaps time domain resources corresponding to a second LBT opportunity, wherein the second LBT opportunity comprises the LBT opportunity corresponding to the first frame period.
The terminal device according to any of claims 49-61, wherein the communication unit is further configured to receive third information, the third information being used to configure a third frame period for transmission of channels or signals with a priority greater than or equal to a first threshold.
The terminal device of claim 62, wherein the communication unit is further configured to receive a channel or signal with a priority greater than or equal to the first threshold over a channel occupancy time in the third frame period.
The terminal device according to any of claims 49-63, wherein the processing unit is further configured to perform measurement for the first SSB according to a position relationship between the first frame period and the target time interval.
A network device, comprising: a processor and a memory, the memory for storing a computer program, the processor for invoking and executing the computer program stored in the memory, performing the method of any one of claims 1 to 16.
A terminal device, comprising: a processor and a memory, the memory for storing a computer program, the processor for invoking and executing the computer program stored in the memory, performing the method of any of claims 17 to 32.
An apparatus, comprising: a processor for calling and running a computer program from a memory to cause a device in which the apparatus is installed to perform the method of any one of claims 1 to 16.
An apparatus, comprising: a processor for invoking and running a computer program from a memory, causing a device on which the apparatus is installed to perform the method of any of claims 17-32.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 16.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 17 to 32.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 1 to 16.
A computer program product comprising computer program instructions for causing a computer to perform the method of any one of claims 17 to 32.
A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 16.
A computer program, characterized in that the computer program causes a computer to perform the method according to any of claims 17-32.
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