Rabin & Berdo, P.C.
Method and apparatus for transmitting RA preamble in NR system
A method and an apparatus for transmitting a message used to access a base station (BS) in a random access (RA) procedure by user equipment (UE) are provided. The method includes: determining a first RA preamble resource corresponding to an SSB index which corresponds to a transmission beam among a plurality of transmission beams of BS; and transmitting a message 1 of the RA procedure by using a first RA preamble format which includes the first RA preamble resource and at least one second RA preamble resource which neighbors the first RA preamble resource.
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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Bing Junhyeong Il Gyu Sung Woo Gosan Hee Sang
Hui Kim Kim Choi Noh Chung