US 12,212,356 B2
Modulation partitioning and transmission via multiple antennas for enhanced transmit power capability
David Richard Pehlke, Westlake Village, CA (US)
Assigned to Skyworks Solutions, Inc., Irvine, CA (US)
Filed by SKYWORKS SOLUTIONS, INC., Irvine, CA (US)
Filed on May 20, 2022, as Appl. No. 17/750,115.
Application 17/750,115 is a continuation of application No. 16/158,707, filed on Oct. 12, 2018, granted, now 11,368,179.
Claims priority of provisional application 62/691,196, filed on Jun. 28, 2018.
Claims priority of provisional application 62/573,523, filed on Oct. 17, 2017.
Prior Publication US 2022/0278708 A1, Sep. 1, 2022
Int. Cl. H04B 1/04 (2006.01); H04B 1/00 (2006.01); H04B 1/40 (2015.01); H04B 7/0413 (2017.01); H04B 7/06 (2006.01); H04W 72/0453 (2023.01)
CPC H04B 1/40 (2013.01) [H04B 1/0057 (2013.01); H04B 1/04 (2013.01); H04W 72/0453 (2013.01); H04B 2001/0416 (2013.01); H04B 2001/045 (2013.01); H04B 7/0413 (2013.01); H04B 7/0604 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A mobile device comprising:
a transceiver that is configured to partition a transmit signal of a radio frequency band into at least first and second sub-bands when modulation is non-contiguous and direct the first sub-band to a first front-end module and the second sub-band to a second front-end module, the transceiver further configured to direct a non-partitioned transmit signal to the first front-end module when the modulation is contiguous;
the first front-end module is electrically connected to a first antenna, the first front-end module having a first signal transmit path and a first signal receive path with a first receive intermodulation duplexer connected to the first signal receive path and to at least a first time division duplexing low noise amplifier (TDD LNA) and a first frequency division duplexing low noise amplifier (FDD LNA), the first receive intermodulation duplexer processes the second sub-band and passes a first back-injected signal to the first FDD LNA but not the first TDD LNA; and
the second front-end module electrically connected to a second antenna, the second front-end module having a second signal transmit path and a second signal receive path with a second receive intermodulation duplexer connected to a second FDD LNA but not a second TDD LNA, the second receive intermodulation duplexer processes the first sub-band and passes a second back-injected signal to the second FDD LNA.