Subdimensional single-carrier modulation

Details Subdimensional single-carrier modulation Subdimensional single-carrier modulation

2004-08-02

2008-11-25

Payne, David C (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

C375S285000, C375S296000, C375S348000

Reexamination Certificate

active

07457364

ABSTRACT:
A method for modulating a sequence of data symbols such that the transmit signal exhibits spectral redundancy. Null symbols are inserted in the sequence of data symbols such that a specified pattern of K data symbols and N−K null symbols is formed in every period of N symbols in the modulated sequence, N and K being positive integers and K being smaller than N.

REFERENCES:
patent: 6327311 (2001-12-01), Ojard
patent: 2002/0106035 (2002-08-01), Harikumar et al.
patent: 0 683 576 (1995-11-01), None
patent: WO 98/45970 (1998-10-01), None
patent: WO 98/57468 (1998-12-01), None
Georgios B. Giannakis (hereinafter Giannakis), “Basis Expansion Models and Diversity Techniques for Blind Identification and Equalization of Time-Varying Channels”, Proceedings of the IEEE, vol. 10, Oct. 1998.
Hui Liu (hereinafter Liu), “Deterministic Approaches for Blind Equalization of Time-Varying Channels with Antenna Arrays”, IEEE 1998.

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