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    • 10. 发明申请
    • DETERMINING AN ANTENNA PANEL FOR SIDELINK TRANSMISSION
    • US20220330038A1
    • 2022-10-13
    • US17641051
    • 2020-09-05
    • Lenovo (Singapore) PTE. LTD.
    • Karthikeyan GanesanPrateek Basu MallickVijay NangiaRavi Kuchibhotla
    • H04W16/28H04W52/24H04L5/00H04W8/00H04W52/10
    • Apparatuses, methods, and systems are disclosed for directional transmission/reception of groupcast and unicast communication. One apparatus (800) includes a transceiver (825) that performs (1005) a plurality of sidelink transmissions (115, 501) with different spatial directions and receives (1015) a feedback transmission from a receiving UE. Here, each of the plurality of sidelink transmissions (115, 501) is carried out from one of a plurality of antenna panels (407), where the sidelink transmissions contain an embedded sidelink reference signal. The apparatus (800) includes a processor (805) that determines (1020) a best antenna panel (407) for sidelink transmission based on the received feedback transmission. An apparatus is also disclosed that identifies a set of candidate sidelink resources and measures signal strength using a plurality of beams at a plurality of antenna panels. It excludes at least one sidelink resource from the set of candidate sidelink resources, where the exclusion is on a per-antenna-panel basis. The apparatus selects a sidelink resource from the remaining candidate sidelink resources for performing sidelink communication using a beam at an antenna panel. Yet another apparatus dentifies a downlink pathloss between the apparatus and a RAN node and identifies at least one first antenna panel facing the RAN node and simultaneously used for sidelink communication. Here, the apparatus includes a plurality of antenna panels used for sidelink communication. The apparatus reduces a sidelink power for the at least one first antenna panel based on the downlink pathloss, while ignoring the downlink pathloss for sidelink power control for the remaining antenna panels used for sidelink communication.