Pulse or digital communications – Repeaters – Testing
Patent
1991-05-15
1992-11-03
Cangialosi, Salvatore
Pulse or digital communications
Repeaters
Testing
380 34, H04K 100
Patent
active
051611686
ABSTRACT:
A spread spectrum CDMA communications system for communicating data and/or digitized voice between a plurality of users to a plurality of PCN units. The spread spectrum communications system is located within a same geographical region as occupied by a plurality of microwave users. The spread spectrum system can operate without causing undue interference to the microwave system and the microwave system can operate without causing significant interference (less than 1% total users affected) to PCN system. The spread spectrum CDMA communications system includes a plurality of PCN-base stations and a plurality of PCN units. A PCN-base station has a device for converting the format of the data into a form suitable for communicating over radio waves, a spread spectrum modulator for spread spectrum processing the data, and a transmitter for transmitting the spread spectrum processed converted data from the PCN-base station to a PCN unit. The PCN-base station also has an antenna, and spread spectrum detectors for recovering data communicated from the PCN units. A PCN unit has an antenna, and a detector coupled to the antenna for recovering data communicated from the PCN-base station. The detector includes a spread spectrum demodulator. Also, the PCN unit has a device for converting the format of the data into a form suitable for communicating over radio waves, a spread spectrum modulator and a transmitter.
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Cangialosi Salvatore
SCS Mobilecom, Inc.
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