Upstream data transmission system with downloadable transmission

Details Upstream data transmission system with downloadable transmission Upstream data transmission system with downloadable transmission

1995-02-07

1996-10-29

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 79, 370 852, 370 857, 3701052, 3701054, 375257, 455 51, 348 12, 348 13, H04N 714

Patent

active

055703470

ABSTRACT:
Each of a plurality of terminals in a two-way communications system includes a series of counters establishing a plurality of time slots synchronized to a downstream reference parameter. Upstream transmissions are effected by each terminal in one or more of the time slots which are defined by a downloaded message as comprising either a reserved slot or a contention slot. The downloaded message, which may also establish terminal transmission power levels and retransmission backoff algorithms for contention time slots, is derived on the basis of the population of subscriber terminals and the usage of the upstream channel.

REFERENCES:
patent: 4528663 (1985-07-01), Citta
patent: 4553161 (1985-11-01), Citta
patent: 4633462 (1986-12-01), Stifle et al.
patent: 5012469 (1991-04-01), Sardana
patent: 5150247 (1992-09-01), Sharpe et al.
patent: 5295140 (1994-03-01), Crisler et al.
patent: 5361394 (1994-11-01), Shigihara

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