Radio frequency front end modules implementing coexisting time division duplexing and frequency division duplexing

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United States of America Patent

PATENT NO 11777549
APP PUB NO 20220247441A1
SERIAL NO

17649904

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Abstract

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Radio frequency front end modules implementing coexisting time division duplexing and frequency division duplexing are provided. In one aspect, a front end system includes a time-division duplexing transmit terminal, a time-division duplexing receive terminal, a frequency division duplexing terminal, and an antenna terminal. The front end system further includes first, second, and third switches configured to selectively connect the terminals to either a node or the antenna. The front end system also includes a controller configured to provide delays between disconnecting the terminals from the antenna and connecting the terminals to the node.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agarwal, Bipul Irvine, US 60 455
Cho, Joshua Haeseok Irvine, US 21 75
Lee, Junhyung Irvine, US 56 135
Obkircher, Thomas Santa Ana, US 54 466
Singh, Rimal Deep Irvine, US 9 24
Wloczysiak, Stephane Richard Marie Irvine, US 84 904

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