Coded modulation for mobile radio

Details Coded modulation for mobile radio Coded modulation for mobile radio

1989-07-28

1991-07-02

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

371 43, 375 39, H04B 1406

Patent

active

050291858

ABSTRACT:
Interleaved block-coded modulation with built-in time diversity is used for fading channel applications. Various modulated block codes of various dimensionalities are disclosed, each built up from an M-DPSK constellation. The signal points making up each codeword are re-ordered by an interleaver in a way which matches the interleaving to the block code, thereby increasing the effective size of the interleaver.

REFERENCES:
patent: 4483012 (1984-11-01), Wei
patent: 4493082 (1985-01-01), Cumberton
patent: 4520490 (1985-05-01), Wei
patent: 4597090 (1986-06-01), Forney, Jr.
patent: 4713817 (1987-12-01), Wei
patent: 4755998 (1988-07-01), Gallager

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