Multiplex communications – Duplex – Communication over free space
Patent
1994-12-28
1997-06-03
Olms, Douglas W.
Multiplex communications
Duplex
Communication over free space
370445, 455222, H04J 302
Patent
active
056362137
ABSTRACT:
The present invention provides a method (200), transceiver (100), and system (900) for providing wireless communication compatible with 10BASE-T Ethernet. In the transceiver, an absence detector receives a transmitted signal, determines an absence of the transmitted signal, and passes the absence to an activity detector in order to differentiate between a reflected signal and a received signal in a half duplex system. The activity detector receives the received signal and determines an operation time signal in which the received signal is absent.
REFERENCES:
patent: 4742543 (1988-05-01), Frederiksen
patent: 4843621 (1989-06-01), Potratz
patent: 5319363 (1994-06-01), Welch et al.
patent: 5355242 (1994-10-01), Eastmond et al.
patent: 5390039 (1995-02-01), Yamamoto et al.
patent: 5434775 (1995-07-01), Sims et al.
Alameh Rachid M.
Eastmond Bruce C.
Hom Shick
Motorola
Olms Douglas W.
Stockley Darleen J.
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