Coordinate interleaving, and deinterleaving, apparatus, and...

Details Coordinate interleaving, and deinterleaving, apparatus, and... Coordinate interleaving, and deinterleaving, apparatus, and...

2005-05-31

2005-05-31

Tse, Young T. (Department: 2637)

Pulse or digital communications

Transmitters

Plural diversity

C375S267000, C375S347000, C455S101000

Reexamination Certificate

active

06901115

ABSTRACT:
Apparatus, and associated method, for increasing the diversity levels of data communicated upon a channel susceptible to fading. Trellis-coded modulation is performed upon data to be communicated to form trellis-coded modulated and rotated symbols. Coordinate interleaving is performed by a coordinate interleaver upon selected ones of the modulated and rotated symbols. The coordinate interleaving is performed according to a selected coordinate interleaving scheme responsive to indications of channel conditions upon the communication channel. When delivered to a receiving station, a coordinate deinterleaver deinterleaves the interleaved symbols according to a coordinate deinterleaving scheme that corresponds to the coordinate interleaving scheme.

REFERENCES:
patent: 4945549 (1990-07-01), Simon et al.
patent: 5553561 (1996-09-01), Schramayr et al.
patent: 5995147 (1999-11-01), Suzuki
patent: 6304581 (2001-10-01), Chen et al.
patent: 6445750 (2002-09-01), Chen et al.

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