METHOD FOR SELECTION OF RANDOM ACCESS CHANNEL (RACH) PREAMBLE DEPENDING ON DISTANCE IN NON-TERRESTRIAL NETWORKS (NTN) AND WIRELESS TRANSMITTING/RECEIVING UNIT (WTRU) Russian patent published in 2024 - IPC H04W74/08 H04B7/185 

Abstract RU 2812761 C2

FIELD: wireless communication.

SUBSTANCE: receiving, through a wireless transmitting/receiving unit (WTRU) from a network access point (NAP), a plurality of preambles and corresponding thresholds related to propagation delay, and determining information related to propagation delay associated with the distance between the WTRUs and a NAP or a location within the NAP coverage area, then selecting a subset of preambles from the plurality of preambles based on certain information related to propagation delay, randomly selecting a preamble from the selected subset of preambles, and sending the randomly selected NAP preamble.

EFFECT: enabling selection of a subset of preambles from a plurality of preambles based on information related to the propagation delay.

20 cl, 12 dwg

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RU 2 812 761 C2

Authors

Makhalingam, Nagi

Balasubramanian, Anantaraman

Pragada, Ravikumar V.

Alfarkhan, Faris

Dinu, Yugesvar

Dates

2024-02-02Published

2019-10-22Filed