Wireless communications for a sidelink
Wireless communications for a sidelink are described. A wireless devices and/or a base station may determine at least one resource and/or time period for communications via a sidelink. The base station and/or the wireless device may schedule sidelink communication, based on the determined resource(s) and/or time period(s), which may increase the likelihood of successful sidelink communications between wireless devices.
1. A method comprising:
receiving, by a first wireless device from a base station:
an indication of a resource pool for sidelink communication; and
an indication of a time interval for disallowed sidelink signal transmission;
determining, by the first wireless device, at least one resource, outside the time interval and from the resource pool, for sidelink signal transmission to a second wireless device; and
sending, by the first wireless device to the second wireless device using the at least one resource, a sidelink signal.
2. The method of claim 1 , further comprising:
sending, by the first wireless device to the second wireless device, a request to establish a sidelink connection; and
receiving, by the first wireless device from the second wireless device, a response to the request to establish the sidelink connection, wherein the response comprises sidelink gap information, and wherein the determining the at least one resource for sidelink signal transmission to the second wireless device is further based on the sidelink gap information.
3. The method of claim 1 , further comprising:
receiving, by the first wireless device from the base station, an indication of a second time interval for allowed sidelink signal transmission to the second wireless device.
4. The method of claim 1 , wherein, during the time interval, bandwidth part switching occurs for the second wireless device.
5. The method of claim 1 , wherein the determining the at least one resource for sidelink signal transmission to the second wireless device comprises determining the at least one resource from among at least one resource, of the resource pool, that overlaps with a sidelink reception gap associated with the time interval.
6. The method of claim 1 , wherein the receiving the indication of the resource pool for sidelink communication and the indication of the time interval is via a system information block or via a radio resource control signal.
7. The method of claim 1 , wherein the sending the sidelink signal is via at least one of:
a physical layer sidelink control channel; or
a physical layer sidelink shared channel.
8. A first wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, configure the first wireless device to:
receive, from a base station:
an indication of a resource pool for sidelink communication; and
an indication of a time interval for disallowed sidelink signal transmission;
determine at least one resource, outside the time interval and from the resource pool, for sidelink signal transmission to a second wireless device; and
send, to the second wireless device using the at least one resource, a sidelink signal.
9. The first wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, further configure the first wireless device to:
send, to the second wireless device, a request to establish a sidelink connection; and
receive, from the second wireless device, a response to the request to establish the sidelink connection, wherein the response comprises sidelink gap information, and
wherein the instructions, when executed by the one or more processors, configure the first wireless device to determine the at least one resource for sidelink signal transmission to the second wireless device further based on the sidelink gap information.
10. The first wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, further configure the first wireless device to:
receive, from the base station, an indication of a second time interval for allowed sidelink signal transmission to the second wireless device.
11. The first wireless device of claim 8 , wherein, during the time interval, bandwidth part switching occurs for the second wireless device.
12. The first wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, configure the first wireless device to determine the at least one resource for sidelink signal transmission to the second wireless device by determining the at least one resource from among at least one resource, of the resource pool, that overlaps with a sidelink reception gap associated with the time interval.
13. The first wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, configure the first wireless device to receive the indication of the resource pool for sidelink communication and the indication of the time interval via a system information block or via a radio resource control signal.
14. The first wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, configure the first wireless device to send the sidelink signal via at least one of:
a physical layer sidelink control channel; or
a physical layer sidelink shared channel.
15. A non-transitory computer-readable medium storing instructions that, when executed, configure a first wireless device to:
receive, from a base station:
an indication of a resource pool for sidelink communication; and
an indication of a time interval for disallowed sidelink signal transmission;
determine at least one resource, outside the time interval and from the resource pool, for sidelink signal transmission to a second wireless device; and
send, to the second wireless device using the at least one resource, a sidelink signal.
16. The non-transitory computer-readable medium of claim 15 , wherein the instructions, when executed, further configure the first wireless device to:
send, to the second wireless device, a request to establish a sidelink connection; and
receive, from the second wireless device, a response to the request to establish the sidelink connection, wherein the response comprises sidelink gap information, and
wherein the instructions, when executed, configure the first wireless device to determine the at least one resource for sidelink signal transmission to the second wireless device further based on the sidelink gap information.
17. The non-transitory computer-readable medium of claim 15 , wherein the instructions, when executed, further configure the first wireless device to:
receive, from the base station, an indication of a second time interval for allowed sidelink signal transmission to the second wireless device.
18. The non-transitory computer-readable medium of claim 15 , wherein, during the time interval, bandwidth part switching occurs for the second wireless device.
19. The non-transitory computer-readable medium of claim 15 , wherein the instructions, when executed, configure the first wireless device to determine the at least one resource for sidelink signal transmission to the second wireless device by determining the at least one resource from among at least one resource, of the resource pool, that overlaps with a sidelink reception gap associated with the time interval.
20. The non-transitory computer-readable medium of claim 15 , wherein the instructions, when executed, configure the first wireless device to receive the indication of the resource pool for sidelink communication and the indication of the time interval via a system information block or via a radio resource control signal.
21. The non-transitory computer-readable medium of claim 15 , wherein the instructions, when executed, configure the first wireless device to send the sidelink signal via at least one of:
a physical layer sidelink control channel; or
a physical layer sidelink shared channel.
22. A system comprising:
a first wireless device; and
a base station configured to:
send, to the first wireless device:
an indication of a resource pool for sidelink communication; and
an indication of a time interval for disallowed sidelink signal transmission,
wherein the first wireless device is configured to:
determine at least one resource, outside the time interval and from the resource pool, for sidelink signal transmission to a second wireless device; and
send, to the second wireless device using the at least one resource, a sidelink signal.
23. The system of claim 22 , wherein the first wireless device is further configured to:
send, to the second wireless device, a request to establish a sidelink connection; and
receive, from the second wireless device, a response to the request to establish the sidelink connection, wherein the response comprises sidelink gap information, and
wherein the first wireless device is configured to determine the at least one resource for sidelink signal transmission to the second wireless device further based on the sidelink gap information.
24. The system of claim 22 , wherein the first wireless device is further configured to:
receive, from the base station, an indication of a second time interval for allowed sidelink signal transmission to the second wireless device.
25. The system of claim 22 , wherein, during the time interval, bandwidth part switching occurs for the second wireless device.
26. The system of claim 22 , wherein the first wireless device is configured to determine the at least one resource for sidelink signal transmission to the second wireless device by determining the at least one resource from among at least one resource, of the resource pool, that overlaps with a sidelink reception gap associated with the time interval.
27. The system of claim 22 , wherein the base station is configured to send the indication of the resource pool for sidelink communication and the indication of the time interval via a system information block or via a radio resource control signal.
28. The system of claim 22 , wherein the first wireless device is configured to send the sidelink signal via at least one of:
a physical layer sidelink control channel; or
a physical layer sidelink shared channel.