Pulse or digital communications – Transmitters – Angle modulation
Reexamination Certificate
2011-04-26
2011-04-26
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Transmitters
Angle modulation
C375S302000
Reexamination Certificate
active
07933359
ABSTRACT:
Provided is a polar transmitter which increases a modulation rate using a multi-phase generator and includes: a data processor which processes and separates incoming data to an amplitude component and a phase component; a multi-phase generator which generates a plurality of carriers having a plurality of phase components by processing a carrier having a certain frequency; a selection output part which selects and outputs a carrier having a phase substantially equal to the phase component; and a carrier output part which synthesizes the output carrier with the amplitude component and outputs a carrier. Accordingly, the modulation rate of the carrier can be increased and the bandwidth can be extended with the related art polar transmitter. Therefore, the polar transmitter is applicable to the wideband communications, the multi-mode, and the multi-band.
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patent: 6160856 (2000-12-01), Gershon
patent: 6384654 (2002-05-01), Noufer
patent: 2003/0215026 (2003-11-01), Hietala
patent: 2006/0119493 (2006-06-01), Tal et al.
patent: 2007/0194820 (2007-08-01), Duggal
patent: 2006/033722 (2006-03-01), None
Kim Seung-Woo
Lee Jae-sup
Lee Jeong-Hoon
Park Eun-Chul
Liu Shuwang
Neff Michael R
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
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