Multi-carrier transmitter for ultra-wideband (UWB) systems

Details Multi-carrier transmitter for ultra-wideband (UWB) systems Multi-carrier transmitter for ultra-wideband (UWB) systems

2003-01-02

2009-10-27

Moore, Ian N (Department: 2416)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S210000, C370S329000

Reexamination Certificate

active

07609612

ABSTRACT:
System and method for a multi-carrier ultra-wideband (UWB) transmitter. A preferred embodiment comprises an UWB transmitter (for example, transmitter300) taking advantage of both code division multiple access (CDMA) (for example, block305) and orthogonal frequency division multiplexing (OFDM) (for example, block315) techniques to create a multi-carrier UWB transmitter. The multi-carrier UWB is capable of avoiding interferers by eliminating signal transmissions in the frequency bands occupied by the interferers. An alternate embodiment using intermediate frequencies and mixers is also presented.

REFERENCES:
patent: 6529951 (2003-03-01), Okuyama et al.
patent: 6898204 (2005-05-01), Trachewsky et al.
patent: 6901112 (2005-05-01), McCorkle et al.
patent: 7010056 (2006-03-01), McCorkle et al.
patent: 7058414 (2006-06-01), Rofheart et al.
patent: 2003/0202794 (2003-10-01), Izadpanah et al.
patent: 2003/0202801 (2003-10-01), Izadpanah
patent: 2006/0193372 (2006-08-01), McCorkle et al.

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