Techniques for selecting an antenna sub-array at a user equipment

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United States of America Patent

PATENT NO 10454559
APP PUB NO 20180278320A1
SERIAL NO

15925077

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Abstract

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Techniques are described for wireless communication at a user equipment (UE) having a plurality of antenna sub-arrays. One method includes performing an initial acquisition procedure with a base station using each antenna sub-array of a first subset of antenna sub-arrays, in which the first subset includes two or more antenna sub-arrays of the plurality of antenna sub-arrays; selecting an antenna sub-array from the first subset; and performing a random access procedure with the base station using the selected antenna sub-array. Another method includes performing a random access procedure with a base station using a first antenna sub-array in the plurality of antenna sub-arrays; selecting a second antenna sub-array in the plurality of antenna sub-arrays to use for communication with the base station after performing the random access procedure; and transmitting to the base station, on a beam, a scheduling request state indicating the selected second antenna sub-array.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chendamarai, Kannan Arumugam San Diego, US 420 2140
Luo, Tao San Diego, US 5019 29168

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