Pulse or digital communications – Spread spectrum – Chirp
Reexamination Certificate
2005-02-01
2005-02-01
Phu, Phuong (Department: 2631)
Pulse or digital communications
Spread spectrum
Chirp
C342S463000, C342S132000
Reexamination Certificate
active
06850553
ABSTRACT:
In a chip radio communication system, a novel technique for increasing the number of transmitters, or users, that can be simultaneously accommodated in the communication system and the data capacity of the system without increasing frequency bandwidth. A system may include plural transmitters, receivers, and a central station for establishing chirp radio communications. Each receiver may discriminate between chirp radio transmitter type based on the differing chirp signal characteristics.
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Boyd Robert
Waschka G. Alton
Duane Morris LLP
Harris Corporation
Phu Phuong
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