Radio communication system, and apparatus, method, and...

Details Radio communication system, and apparatus, method, and... Radio communication system, and apparatus, method, and...

2007-06-19

2007-06-19

Feild, Joseph (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S502000, C455S507000, C455S509000, C455S422100, C455S450000, C370S336000, C370S337000, C370S347000, C370S345000

Reexamination Certificate

active

10375367

ABSTRACT:
A communication system that permits the coexistent of a plurality of ultrawide band (UWB) radio communication networks that use different signal systems is achieved by using the same beacon signal and specifying the format of part of the control command among a plurality of UWB radio communication networks that use different signal systems, as defined, for example, by impulse period, impulse width, spreading ratio, and spreading code. When one UWB network receives a beacon signal from another UWB network, it grasps, judging from the received beacon signal, the transmission parameter that is used by another party and performs time-division on the transmission frame period for its own system.

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