Random access preamble for minimizing PA backoff

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United States of America Patent

PATENT NO 10172163
APP PUB NO 20170311356A1
SERIAL NO

15645543

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Abstract

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An example method in a user equipment comprises generating a random access preamble signal and transmitting the random access preamble signal. This generating of the random access preamble signal comprises generating a Single-Carrier Frequency-Division Multiple Access (SC-FDMA) random access preamble signal comprising two or more consecutive preamble symbol groups, each preamble symbol group comprising a cyclic prefix portion and a plurality of identical symbols occupying a single subcarrier of the SC-FDMA random access preamble signal. The single subcarrier for at least one of the preamble symbol groups corresponds to a first subcarrier frequency and the single subcarrier for an immediately subsequent one of the preamble symbol groups corresponds to a second subcarrier frequency.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adhikary, Ansuman Santa Clara, US 49 362
Grövlen, Asbjörn Stockholm, SE 70 382
Hui, Dennis Sunnyvale, US 215 3943
Johansson, Niklas Sunnyvale, US 128 3604
Lin, Xingqin San Jose, US 173 689
Sui, Yutao Solna, SE 114 444
Sundberg, Mårten Årsta, SE 144 453
Wang, Yi-Pin Eric Fremont, US 292 5736

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