Channel estimation in spread spectrum system

Details Channel estimation in spread spectrum system Channel estimation in spread spectrum system

2008-04-01

2008-04-01

Kim, Kevin (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S347000

Reexamination Certificate

active

07352799

ABSTRACT:
The invention relates to a receiver in a radio system, comprising two or more receiving antennas (300A-300B) for receiving a spread spectrum signal containing user signals, means for locating (200A-200B) delay components of the user signal at different measurement moments, means for forming (304) a combined correlation value from at least two correlation values of a certain delay component, the two correlation values being formed from signals received via different receiving antennas (300A-300B), and the estimation means (310) being configured to use the combined correlation value to correct channel distortion. The invention also relates to a method of receiving a signal.

REFERENCES:
patent: 6118832 (2000-09-01), Maryargue et al.
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patent: 1107468 (2001-05-01), None
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patent: WO 99/31820 (1999-06-01), None
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patent: WO 01/13530 (2001-02-01), None
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European Search Report dated Oct. 25, 2006.

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