Techniques for performing a random access procedure in an unlicensed spectrum

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United States of America Patent

PATENT NO 9992800
APP PUB NO 20170332409A1
SERIAL NO

15586840

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Abstract

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Techniques are described for wireless communication. One method includes transmitting a sequence of deterministic variations of random access data on at least one interlace of non-contiguous frequency resources allocated to a physical random access channel (PRACH) in an unlicensed spectrum, beginning at a first time; repeating the transmitting of the sequence of deterministic variations of random access data at least once, beginning at a second time; generating at least one modification of the sequence of deterministic variations of random access data, in which the at least one modification is generated according to a modification sequence; and transmitting on the at least one interlace, beginning at a third time, the at least one modification of the sequence of deterministic variations of random access data.

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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 2135
Gaal, Peter San Diego, US 2853 33679
Montojo, Juan San Diego, US 1392 24452
Patel, Chirag San Diego, US 89 1714
Wei, Yongbin La Jolla, US 636 14173
Yerramalli, Srinivas San Diego, US 627 5344

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