Time division multiple access system for transmitting an analog

Details Time division multiple access system for transmitting an analog Time division multiple access system for transmitting an analog

1982-07-06

1984-12-11

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701101, H04J 312

Patent

active

044882963

ABSTRACT:
In a time division multiple access system comprising a central station and a plurality of substations, a subsidiary analog signal is sampled at a sampling circuit of each substation M times during each frame period to produce a succession of sampled pulses. A group of M sampled pulses is located by a substation delay circuit in each up-link burst assigned to each substation. Responsive to an up-link succession including each up-link burst, the central station reproduces the sampled pulse group from each up-link burst into a reproduced group of M reproduced pulses by central station sampling pulses synchronized with the M sampled pulses. The M reproduced pulses are rearranged by a central station delay circuit into sampled pulse reproductions appearing M times in each frame period. The sampled pulse reproductions are desampled into the subsidiary signal. The number of M may be equal to or greater than one.

REFERENCES:
patent: 3870828 (1975-03-01), Saliga
patent: 4079203 (1978-03-01), Dragoo
patent: 4168398 (1979-09-01), Matsuo et al.
patent: 4252999 (1981-02-01), Acampora et al.
patent: 4287588 (1981-09-01), Segner
patent: 4363127 (1982-12-01), Evans et al.
patent: 4387460 (1983-07-01), Boutmy et al.

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