Optical local area network employing microwave modulation techni

Details Optical local area network employing microwave modulation techni Optical local area network employing microwave modulation techni

1985-10-18

1987-10-20

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

455607, H04B 900, H04J 110

Patent

active

047019042

ABSTRACT:
The present invention relates to an optical communication system wherein the entire microwave frequency bandwidth of the optical source-to-detector system is subdivided into a plurality of non-overlapping frequency bands or channels, and each user transmits and/or receives information either (a) on a separate fixed one of the channels, (b) on a free channel selectively assigned via control signals transmitted on a separate control channel at the time of initiation of a communication, or (c) on a channel randomly selected at the receiver by an associated user to receive a particular program. The present optical communication system can be configured to simultaneously broadcast multiple programs over separate channels for random selection by each user, or to achieve local and/or external two-way communications with the associated system users.

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Globecom '82, Nov. 29-Dec. 2, 1982, Miami, Florida, Hubbard et al., pp. D6.6.1-D6.2.2.
Telecomm., vol. 17, No. 9, Sep. 1983, Fridman, pp. 94-96, 104-108, 128.
Telephony, Apr. 15, 1985, Beardsley et al., pp. 53, 56, 60, 62, 64.
Proc. of SPIE, vol. 434, Aug. 25, 1983, San Diego, Calif., Fiber Optics in Local Networks, pp. 20-22.

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