METHODS, APPARATUS, SYSTEMS AND PROCEDURES FOR DISTANCE DEPENDENT RANDOM ACCESS CHANNEL (RACH) PREAMBLE SELECTION IN NON-TERRESTRIAL NETWORKS (NTNS)

Method, apparatus and systems are disclosed. In one representative embodiment, a method may be implemented by a wireless transmit/receive unit (WTRU) for communication via a network access point (NAP). The method may include the WTRU receiving from the NAP a set of preambles and corresponding propag...

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Bibliographic Details
Main Authors DEENOO, Yugeswar, BALASUBRAMANIAN, Anantharaman, PRAGADA, Ravikumar V, MAHALINGAM, Nagi, ALFARHAN, Faris
Format Patent
LanguageEnglish
French
German
Published 08.09.2021
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:Method, apparatus and systems are disclosed. In one representative embodiment, a method may be implemented by a wireless transmit/receive unit (WTRU) for communication via a network access point (NAP). The method may include the WTRU receiving from the NAP a set of preambles and corresponding propagation delay related thresholds and determining propagation delay related information associated with a distance between the WTRU and the NAP or a location in a coverage of the NAP. The method may further include selecting a subset of preambles from the set of preambles based on the determined propagation delay related information, randomly selecting a preamble from the selected subset of preambles, and sending the randomly selected preamble to the NAP.
Bibliography:Application Number: EP20190842430