Time-frequency coding in a multi-band ultra-wideband system

Details Time-frequency coding in a multi-band ultra-wideband system Time-frequency coding in a multi-band ultra-wideband system

2003-12-31

2009-11-03

Phu, Phuong (Department: 2611)

Pulse or digital communications

Spread spectrum

Frequency hopping

C375S135000, C375S136000, C375S132000

Reexamination Certificate

active

07613223

ABSTRACT:
Time-frequency coding in a multi-band ultra-wideband system is generally described. In this regard a hopping code agent is presented to select a frequency hopping code for encoding and decoding from a set of predetermined FHC's for communicating with other devices in a multi-band ultra-wideband (MB-UWB) network, wherein the FHC defines a sequence of two or more pulses over two or more frequencies and wherein the FHC's include a time slot that contains no transmission. Other embodiments are also disclosed and claimed.

REFERENCES:
patent: 5822362 (1998-10-01), Friedmann
patent: 6704346 (2004-03-01), Mansfield
patent: 7177341 (2007-02-01), McCorkle
patent: 7215698 (2007-05-01), Darby et al.
patent: 7280580 (2007-10-01), Haartsen

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