Phase rotation for in-band signal generation for narrow band transmission

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United States of America Patent

PATENT NO 10313167
APP PUB NO 20180054340A1
SERIAL NO

15445263

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In order to enable a UE receiving a narrowband signal transmitted using in-band resources to use the LTE reference signals to assist the UE in receiving the narrowband signal using an in-band deployment, a phase rotation employed by the base station may be fixed relative to a known reference position in time. An apparatus for wireless communication at a base station may determine a phase offset for a narrowband signal for transmission using wideband resources, the phase offset having a relationship to a reference point in time and transmit the narrowband signal using the determined phase offset. An apparatus for wireless communication at a UE may receive a narrowband signal having a frequency location within a wideband signal and rotate a symbol of the wideband signal by a per symbol phase offset having a relationship of the phase offset to a reference point in time.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gaal, Peter San Diego, US 2870 33925
Hsu, Chun-Hao San Jose, US 54 152
Rico, Alvarino Alberto San Diego, US 841 3590
Wang, Xiao Feng San Diego, US 525 2543
Xiao, Lei San Jose, US 181 656

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