Method and system for receiving an ultra-wideband signal...

Details Method and system for receiving an ultra-wideband signal... Method and system for receiving an ultra-wideband signal...

2008-04-22

2008-04-22

Urban, Edward F. (Department: 2618)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C455S041200, C375S354000

Reexamination Certificate

active

07362743

ABSTRACT:
A method and a system for receiving an ultra-wideband signal with a self-adapting number of propagation paths. The transmitted signal includes, over a symbol time, a series of direct successive modulated pulses which propagate along a direct propagation path and secondary pulses which are associated with each direct pulse and which each propagate along a secondary propagation path. The method includes: receiving the series of direct and secondary pulses on the same receiver circuit; creating a composite correlation pattern, including a series of elementary patterns which are time-shifted in relation to a first elementary correlation pattern; calculating the value of the global correlation coefficient between each direct pulse which is associated with the plurality of secondary pulses and the composite correlation pattern, in order to obtain a global correlation value of the symbol, sum of the cross-correlation coefficients of each of the direct and secondary pulses.

REFERENCES:
patent: 6810087 (2004-10-01), Hoctor et al.
patent: 6967993 (2005-11-01), Miller
patent: 2004/0105515 (2004-06-01), Mo et al.
patent: 2005/0041725 (2005-02-01), De Rivaz et al.
patent: WO 01/76086 (2001-10-01), None
Tero Ojanpera, Ramjee Prasad: “Wideband CDMA For Third Generation Mobile Communications”; Artech House, USA XP002260449, p. 46-p. 47.

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