Mechanisms for user equipment beam pairing on sidelink communication

A method performed by a user equipment (UE), comprising:

• configuring a set of beam patterns to be used in a beam pairing procedure, wherein the set of beam patterns includes one or more receiving beams of the UE and one or more transmission beams of a transmission UE, wherein the set of beam patterns is a smaller subset of all possible N*M beam pairs that can be formed by N transmission beams available to the transmission UE and M receive beams available to the UE;
• receiving, using one or more beam patterns of the set of beam patterns, one or more sidelink reference signals from the transmission UE;
• performing signal strength measurements on the one or more beam patterns based on the one or more sidelink reference signals;
• transmitting a message to the transmission UE, wherein the message contains information related to the signal strength measurements of the one or more sidelink reference signals;
• and
• determining a selected receiving beam selected from the one or more receiving beams of the UE for receiving signal transmissions from the transmission UE.

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

• configuring a set of beam patterns to be used in a beam pairing procedure, wherein the set of beam patterns includes one or more transmission beams of the UE and one or more receiving beams of a receiver UE, wherein the set of beam patterns is a smaller subset of all possible N*M beam pairs that can be formed by N transmission beams available to the UE and M receive beams available to the receiver UE;
• transmitting, using one or more beam patterns of the set of beam patterns, one or more sidelink reference signals to the receiver UE;
• receiving a message from the receiver UE, wherein the message contains information related to signal strength measurements performed on the one or more beam patterns and based on the one or more sidelink reference signals;
• and
• determining, based on the received message, a selected transmission beam selected from the one or more transmission beams of the UE for signal transmissions from the UE to the receiver UE.