Processing differentiated hierarchical modulation used in...

Details Processing differentiated hierarchical modulation used in... Processing differentiated hierarchical modulation used in...

2011-08-23

2011-08-23

Wang, Ted M (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S260000, C375S295000, C375S299000, C370S334000, C455S101000

Reexamination Certificate

active

08005160

ABSTRACT:
The present invention employs hierarchical modulation to simultaneously transmit data over different modulation layers using a carrier RF signal. Each modulation layer may be of a higher or lower order than the other modulation layers. Certain embodiments of the present invention may transmit different information on the different modulation layers. Other embodiments of the present invention may use the different layers for processing information differently.

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patent: 7593697 (2009-09-01), Zhu et al.
patent: 7630451 (2009-12-01), Collins et al.
patent: 7894401 (2011-02-01), Von Elbwart et al.
patent: 2005/0120097 (2005-06-01), Walton et al.
patent: 2006/0171283 (2006-08-01), Vijayan
patent: 2006/0198454 (2006-09-01), Chung
patent: 2006/0280262 (2006-12-01), Malladi
patent: 2008/0025241 (2008-01-01), Bhushan et al.
patent: 2011/0002430 (2011-01-01), Kim et al.

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