Closed loop frequency correction for non-terrestrial network systems

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United States of America Patent

PATENT NO 11483064
APP PUB NO 20200313754A1
SERIAL NO

16831699

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for efficiently determining appropriate uplink frequencies for uplink transmissions to a satellite. As described herein, a wireless communications system may support a closed loop frequency correction scheme where a satellite may provide an uplink frequency correction to a user equipment (UE) such that the UE may be able to identify an appropriate uplink frequency for an uplink transmission. In some implementations, the UE may first transmit an uplink signal to the satellite on an initial uplink frequency, and the satellite may determine a corrected uplink frequency for the UE based on the initial uplink frequency. The satellite may then transmit an indication of the corrected uplink frequency to the UE, and the UE may transmit a second uplink signal based on the corrected uplink frequency.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ma, Jun San Diego, US 709 4393
Sakhnini, Iyab Issam San Diego, US 359 246
Wang, Xiao Feng San Diego, US 525 2543
Zhang, Dan San Diego, US 246 728

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