Method and device for estimating a propagation channel

Details Method and device for estimating a propagation channel Method and device for estimating a propagation channel

2006-09-05

2006-09-05

Phu, Phuong (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S144000, C375S349000, C370S335000, C370S342000

Reexamination Certificate

active

07103093

ABSTRACT:
The invention relates to a method of estimating a propagation channel, between a source transmitting data and a receiver, using at least one learning sequence which comprises symbols referred to as “pilot symbols” and which is known to the receiver, so as to decode a data signal (digital signal), the signals being sent in successive frames, each frame being partitioned into a specified number of time slots.It comprises at least the following steps:a) choosing a search window, estimating the complex amplitude and the energy of each predominant path k situated in the search window over the duration of each of the time slots and demodulating the data bits (useful bits),b) updating the energy of each possible path of the search window every K slots,c) selecting every K*L slots, the energy paths k which are predominant.d) Application to the demodulation of a signal of CDMA type, or of UMTS type.

REFERENCES:
patent: 5251233 (1993-10-01), Labedz et al.
patent: 5544156 (1996-08-01), Teder et al.
patent: 5572548 (1996-11-01), Pirez et al.
patent: 5754599 (1998-05-01), Ling et al.
patent: 6182251 (2001-01-01), Rahnema et al.
patent: 6243415 (2001-06-01), Pipon et al.
patent: 6483821 (2002-11-01), Dabak et al.
patent: 6542560 (2003-04-01), Buehrer et al.
patent: 6721299 (2004-04-01), Song
patent: 6757272 (2004-06-01), Abeta et al.
patent: 6791960 (2004-09-01), Song
patent: 0 942 561 (1999-09-01), None

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