High-speed wireless personal area network system for...

Details High-speed wireless personal area network system for... High-speed wireless personal area network system for...

2008-04-29

2008-04-29

Pascal, Leslie (Department: 2613)

Optical communications

Hybrid communication system

C398S072000, C398S083000

Reexamination Certificate

active

10771599

ABSTRACT:
A high-speed WPAN (Wireless Personal Area Network) system for extending a service area includes an optical fiber serving as a medium for transmitting data; a plurality of pico-nets each including a plurality of devices and a PNC (Pico-Net Coordinator) device for managing the devices; a plurality of two-way signal converters corresponding to the pico-nets, each of the signal converters adapted for converting an optical signal received from the optical fiber into an electrical signal to transmit the electrical signal to the pico-nets, and for converting an electrical signal received from each of the pico-nets into an optical signal to transmit the optical signal to the optical fiber. A plurality of connectors are attached to the optical fiber and the signal converters for transmitting signals input from the optical fiber and the signal converters bidirectionally. One of the PNC devices provided in the pico-nets allocates and manages timeslots for all the devices located in the plurality of pico-nets, and the plurality of pico-nets may be operated as a single logical unit.

REFERENCES:
patent: 5282257 (1994-01-01), Ota
patent: 5615290 (1997-03-01), Harasawa et al.
patent: 6034966 (2000-03-01), Ota
patent: 2002/0147016 (2002-10-01), Arazi et al.
patent: 2003/0076842 (2003-04-01), Johansson et al.
patent: 2005/0026569 (2005-02-01), Lim et al.
patent: 2005/0063414 (2005-03-01), Kim et al.

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