Electronic device, wireless communication method, and computer-readable storage medium
Provided are an electronic device, a wireless communication method and a computer-readable storage medium. The electronic device comprises a processing circuit configured to: receive first data and control information of the first data by means of a sidelink, the control information comprising indication information used for indicating the selection and use of a periodic feedback resource; determine a feedback resource for the first data on the basis of the control information of the first data; and send feedback information for the first data by using the determined feedback resource. According to at least one aspect of the embodiments of the present invention, in control information of data transmitted by means of a sidelink, dynamic indication information is added to indicate the selection and use of a periodic feedback resource, so that feedback information can be sent by using the periodic feedback resource in a relatively flexible manner.
1 . An electronic device, comprising:
processing circuitry configured to:
receive first data and control information for the first data through a side link, wherein the control information for the first data comprises indication information for the first data for indicating the selection, for use, of a periodic feedback resource;
receive second data and control information for the second data through the side link, wherein the control information for the second data comprises indication information for the second data for indicating the selection, for use, of the periodic feedback resource;
determine a feedback resource for the first data based on the control information for the first data; and
transmit feedback information for the first data using the determined feedback resource, wherein
the indication information for the second data and the indication information for the first data indicate to select and use feedback resources in a same period,
at least one of the first data and at least one of the second data are carried on different physical side link shared channels (PSSCHs) separately, and
the processing circuitry is further configured to:
determine whether transmitting feedback information for each of the at least one of the first data and the at least one of the second data using a determined feedback resource exceeds a transmission ability of the electronic device, and
when it is determined that the transmission ability of the electronic device is exceeded,
preferentially transmit the feedback information for the one of the at least one of the first data and the at least one of the second data carried by the one of the PSSCHs with high priority using the determined feedback resource, and/or
redetermine the feedback resources with a same frequency domain resource for multiple data of the at least one of the first data and the at least one of the second data received from a same user equipment and transmit the feedback information for the multiple data received from the same user equipment using the redetermined feedback resources.
2 . The electronic device according to claim 1 , wherein the indication information for the first data indicates a number of periods of feedback resources by which a feedback resource selected for use is spaced from a first available feedback resource.
3 . The electronic device according to claim 1 , wherein
the control information for each of the first data and the second data further comprises an ID of a user equipment transmitting the respective one of the first data and the second data, and
the processing circuitry is further configured to determine a frequency domain resource of the feedback resource for each of the first data and the second data based on the ID of the user equipment transmitting the respective one of the first data and the second data and an ID of the electronic device.
4 . The electronic device according to claim 3 , wherein
the first data, the second data, the control information for the first data, and the control information for the second data are received from the same user equipment, and
the processing circuitry is further configured to determine the feedback resource for the first data and a feedback resource for the second data with the same frequency domain resource.
5 . The electronic device according to claim 4 , wherein the first data and the second data are carried on different PSSCHs separately.
6 . The electronic device according to claim 1 , wherein
the first data and the control information for the first data are received from a first user equipment,
the second data and the control information for the second data are received from a second user equipment, and
the processing circuitry is further configured to determine the feedback resource for the first data and a feedback resource for the second data with different frequency domain resources.
7 . The electronic device according to claim 1 , wherein
the processing circuitry is further configured to obtain configuration information for the periodic feedback resource in advance, and
the configuration information specifies one or more candidate periods for the periodic feedback resource.
8 . The electronic device according to claim 7 , wherein
the processing circuitry is further configured to obtain multiple sets of configuration information in advance, and
each set of configuration information is associated with a corresponding data service and specifies one or more candidate periods.
9 . An electronic device, comprising:
processing circuitry, configured to:
transmit first data and control information for the first data to a user equipment through a side link, wherein the control information for the first data comprises indication information for the first data for indicating the selection, for use, of a periodic feedback resource, and is used by the user equipment to determine a feedback resource;
transmit second data and control information for the second data to the user equipment through the side link, wherein the control information for the second data comprises indication information for the second data for indicating the selection, for use, of the periodic feedback resource; and
receive from the user equipment feedback information for the first data transmitted using the determined feedback resource, wherein
the indication information for the second data and the indication information for the first data indicate to select and use feedback resources in a same period,
at least one of the first data and at least one of the second data are carried on different physical side link shared channels (PSSCHs) separately, and
the processing circuitry is further configured to:
preferentially receive feedback information for one of the at least one of the first data and the at least one of the second data carried by one of the PSSCHs with high priority using a determined feedback resource when a transmission ability of the user equipment is exceeded as determined for the feedback information of each of the at least one of the first data and the at least one of the second data, and/or
receive feedback information for multiple data of the at least one of the first data and the at least one of the second data transmitted to the same user equipment using redetermined feedback resources with a same frequency domain resource for the multiple data when the transmission ability of the user equipment is exceeded as determined for the feedback information of each of the at least one of the first data and the at least one of the second data.
10 . The electronic device according to claim 9 , wherein the indication information for the first data indicates a number of periods of feedback resources by which a feedback resource selected for use is spaced from a first available feedback resource.
11 . The electronic device according to claim 9 , wherein the control information for each of the first data and the second data further comprises an ID of the electronic device, for the user equipment to determine a frequency domain resource of the feedback resource for each of the first data and the second data based on an ID of the user equipment and the ID of the electronic device.
12 . The electronic device according to claim 11 , wherein the processing circuitry is further configured to receive from the user equipment the feedback information for the first data and feedback information for the second data transmitted using feedback resources with the same frequency domain resource.
13 . The electronic device according to claim 12 , wherein the first data and the second data are carried on different PSSCHs separately.
14 . The electronic device according to claim 9 , wherein
the processing circuitry is further configured to obtain configuration information for the periodic feedback resource in advance, and
the configuration information specifies one or more candidate periods for the periodic feedback resource.
15 . The electronic device according to claim 14 , wherein
the processing circuitry is further configured to obtain multiple sets of configuration information in advance, and
each set of configuration information is associated with a corresponding data service and specifies one or more candidate periods.
16 . A method for wireless communications, comprising:
receiving first data and control information for the first data through a side link, wherein the control information for the first data comprises indication information for the first data for indicating the selection, for use, of a periodic feedback resource;
receiving second data and control information for the second data through the side link, wherein the control information for the second data comprises indication information for the second data for indicating the selection, for use, of the periodic feedback resource;
determining a feedback resource for the first data based on the control information for the first data; and
transmitting feedback information for the first data using the determined feedback resource,
the indication information for the second data and the indication information for the first data indicate to select and use feedback resources in a same period,
at least one of the first data and at least one of the second data are carried on different physical side link shared channels (PSSCHs) separately, and
the method further comprises:
determining whether transmitting feedback information for each of the at least one of the first data and the at least one of the second data using a determined feedback resource exceeds a transmission ability, and
when it is determined that the transmission ability is exceeded,
preferentially transmitting the feedback information for the one of the at least one of the first data and the at least one of the second data carried by the one of the PSSCHs with high priority using the determined feedback resource, and/or
redetermining the feedback resources with a same frequency domain resource for multiple data of the at least one of the first data and the at least one of the second data received from a same user equipment and transmit the feedback information for the multiple data received from the same user equipment using the redetermined feedback resources.
17 . The method according to claim 16 , wherein the indication information for the first data indicates a number of periods of feedback resources by which a feedback resource selected for use is spaced from a first available feedback resource.