Digital radio satellite and terrestrial ubiquitous broadcasting

Details Digital radio satellite and terrestrial ubiquitous broadcasting Digital radio satellite and terrestrial ubiquitous broadcasting

1996-07-25

1999-01-26

Ghebretinsae, Temesghen

Pulse or digital communications

Repeaters

Testing

375208, 375211, 455 131, H04B 169, H04B 336

Patent

active

058645799

ABSTRACT:
A digital radio broadcasting system using spread spectrum modulation transmitted from both geosynchronous satellites and terrestrial repeater stations provides multi-program audio services to mobile and fixed user receivers over a large geographical area in an ubiquitous manner.

REFERENCES:
patent: 5278863 (1994-01-01), Briskman
patent: 5303393 (1994-04-01), Noreen et al.
patent: 5319673 (1994-06-01), Briskman
patent: 5485485 (1996-01-01), Briskman et al.
patent: 5509028 (1996-04-01), Marque-Pucheu
patent: 5652765 (1997-07-01), Adachi et al.

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