Adaptive guard intervals in OFDM systems

Details Adaptive guard intervals in OFDM systems Adaptive guard intervals in OFDM systems

2003-06-27

2009-10-13

Qureshi, Afsar M. (Department: 2416)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S343000, C370S480000, C375S219000, C375S262000, C375S265000, C375S316000

Reexamination Certificate

active

07602696

ABSTRACT:
Dynamic guard interval adaptation is provided for devices having differing delay spreads in an OFDM communication system to reduce the guard intervals, with adaptation controlled by either the wireless communications device or the network.

REFERENCES:
patent: 6470030 (2002-10-01), Park et al.
patent: 6768778 (2004-07-01), Chen et al.
patent: 2003/0165113 (2003-09-01), Hudson
patent: 1 065 855 (2001-01-01), None
patent: 1065855 (2001-01-01), None
patent: WO 97/30531 (1997-08-01), None

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