Inter-user equipment coordination for resource management

An apparatus for wireless communication at a first user equipment (UE), comprising:

• one or more memories storing processor-executable code;
• and
• one or more processors coupled with the one or more memories and operable to execute the code to cause the apparatus to:
• transmit, on a first beam of one or more beams supported by the first UE, an inter-UE coordination message indicating a channel busy ratio measurement and a set of preferred resources for receiving sidelink signaling on the first beam, wherein the inter-UE coordination message comprises an inter-UE coordination request indicating to a second UE to provide one or more preferred resources of a second set of preferred resources for receiving a beam failure recovery response associated with a beam failure recovery procedure or a random access response associated with a random access procedure;
• receive, on the first beam, the sidelink signaling from the second UE in accordance with the set of preferred resources indicated for the first beam by the inter-UE coordination message, wherein the sidelink signaling comprises a beam failure recovery signal or a random access signal and further comprises an indication of the one or more preferred resources of the second set of preferred resources;
• and
• transmit, in response to the sidelink signaling and in accordance with the one or more preferred resources of the second set of preferred resources, the random access response associated with the random access procedure or the beam failure recovery response associated with the beam failure recovery procedure.

An apparatus for wireless communication a second user equipment (UE), comprising:

• one or more memories storing processor-executable code;
• and
• one or more processors coupled with the one or more memories and operable to execute the code to cause the apparatus to:
• receive, on a beam, an inter-UE coordination message indicating a set of preferred resources for reception, on the beam, by a first UE of sidelink control signaling associated with a random access procedure or a beam failure recovery procedure, and wherein the inter-UE coordination message comprises an inter-UE coordination request indicating to the second UE to provide one or more preferred resources of a second set of preferred resources for receiving a beam failure recovery response associated with the beam failure recovery procedure or a random access response associated with the random access procedure;
• transmit, on the beam, the sidelink control signaling to the first UE in accordance with the set of preferred resources indicated for the beam by the inter-UE coordination message, wherein the sidelink control signaling comprises a beam failure recovery signal or a random access signal and further comprises an indication of the one or more preferred resources of the second set of preferred resources;
• and
• establish or modify a connection between the first UE and the second UE based at least in part on the sidelink control signaling, wherein, to establish or modify the connection, the one or more processors are operable to execute the code to cause the apparatus to:
• receive, in response to the sidelink control signaling and in accordance with the one or more preferred resources of the second set of preferred resources, the beam failure recovery response associated with the beam failure recovery procedure or the random access response associated with the random access procedure.

A method for wireless communication at a first user equipment (UE), comprising:

• transmitting, on each beam of one or more beams supported by the first UE, a respective inter-UE coordination message, wherein the respective inter-UE coordination message for a beam of the one or more beams indicates a respective set of preferred resources for receiving, on that beam, sidelink control signaling associated with a random access procedure or a beam failure recovery procedure, and wherein the respective inter-UE coordination message comprises an inter-UE coordination request indicating to a second UE to provide one or more preferred resources of a second set of preferred resources for receiving a beam failure recovery response associated with the beam failure recovery procedure or a random access response associated with the random access procedure;
• receiving, on a first beam of the one or more beams, the sidelink control signaling from the second UE in accordance with the respective set of preferred resources indicated by the respective inter-UE coordination message for the first beam, wherein the sidelink control signaling comprises a beam failure recovery signal or a random access signal and further comprises an indication of the one or more preferred resources of the second set of preferred resources;
• and
• establishing or modifying, based at least in part on the sidelink control signaling, a connection between the first UE and the second UE in accordance with the random access procedure or the beam failure recovery procedure, wherein establishing or modifying the connection comprises:
• transmitting, in response to the sidelink control signaling and in accordance with the one or more preferred resources of the second set of preferred resources, the beam failure recovery response associated with the beam failure recovery procedure or the random access response associated with the random access procedure.

A method for wireless communication at a first user equipment (UE), comprising:

• transmitting, on a first beam of one or more beams supported by the first UE, an inter-UE coordination message indicating a channel busy ratio measurement and a set of preferred resources for receiving sidelink signaling on the first beam, wherein the inter-UE coordination message comprises an inter-UE coordination request indicating to a second UE to provide one or more preferred resources of a second set of preferred resources for receiving a beam failure recovery response associated with a beam failure recovery procedure or a random access response associated with a random access procedure;
• receiving, on the first beam, the sidelink signaling from the second UE in accordance with the set of preferred resources indicated for the first beam by the inter-UE coordination message, wherein the sidelink signaling comprises a beam failure recovery signal or a random access signal and further comprises an indication of the one or more preferred resources of the second set of preferred resources;
• and
• transmitting, in response to the sidelink signaling and in accordance with the one or more preferred resources of the second set of preferred resources, the random access response associated with the random access procedure or a beam failure recovery response associated with a beam failure recovery procedure.

A method for wireless communication a second user equipment (UE), comprising:

• receiving, on a beam, an inter-UE coordination message indicating a set of preferred resources for reception, on the beam, by a first UE of sidelink control signaling associated with a random access procedure or a beam failure recovery procedure, and wherein the inter-UE coordination message comprises an inter-UE coordination request indicating to the second UE to provide one or more preferred resources of a second set of preferred resources for receiving a beam failure recovery response associated with the beam failure recovery procedure or a random access response associated with the random access procedure;
• transmitting, on the beam, the sidelink control signaling to the first UE in accordance with the set of preferred resources indicated for the beam by the inter-UE coordination message, wherein the sidelink control signaling comprises a beam failure recovery signal or a random access signal and further comprises an indication of the one or more preferred resources of the second set of preferred resources;
• and
• establishing or modifying a connection between the first UE and the second UE based at least in part on the sidelink control signaling, wherein establishing or modifying the connection comprises:
• receiving, in response to the sidelink control signaling and in accordance with the one or more preferred resources of the second set of preferred resources, the beam failure recovery response associated with the beam failure recovery procedure or the random access response associated with the random access procedure.