Power efficient relay discovery protocol

摘要

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives discovery resource information from a base station, sends a discovery signal based on the discovery resource information, and receives from at least one user equipment (UE) a request for relaying with the base station based on the discovery signal. The apparatus may also receive a discovery signal from a relay, and send to the relay a request for relaying with a base station based on the discovery signal. The apparatus may further receive a discovery signal from each of a plurality of relays, determine to select one of the plurality of relays based on the discovery signal from each relay, and send to a selected relay a request for relaying with a base station based on the discovery signal when one of the plurality of relays is determined to be selected.

主权项

1. A method of wireless communication at a user equipment (UE), comprising:
receiving discovery resource information from a base station; determining at least one of a downlink signal to interference-plus-noise ratio (SINR), an uplink interference or an uplink pathloss; deriving synchronization information from a macro network; sending a discovery signal based on the discovery resource information, wherein the discovery signal comprises the determined at least one of the downlink SINR, the uplink interference, or the uplink pathloss and wherein the discovery signal does not include synchronization information; and receiving from at least one user equipment (UE) a request for relaying with the base station based on the discovery signal.