System of communication using microwave signals over wireline networks
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United States of America Patent
Stats
-
Apr 27, 2010
Grant Date -
Feb 28, 2008
app pub date -
Oct 31, 2007
filing date -
Apr 1, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a system for wide-range microwave communications over wireline networks. In an exemplary embodiment, a wide-range transceiver is made having pre-calibrated modular units including an IF radio processing card, an RF transmitter module, and an RF receiver module. Calibration factors are loaded into a memory (e.g., EEPROM) in each module during production. Certain additional calibration factors may also be loaded upon installation, such as a one time calibration for the type and length of cable connecting the RF unit to a remote SPU (signal processing unit). A processor in the RF unit is responsive to control signaling indicating a desired transmitter or receiver configuration (e.g., a particular frequency, bandwidth and modulation), to attenuate the signal in the transmitter/receiver path based on the predetermined calibration factors from the applicable modules. A method for calibrating the modules is also disclosed.
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Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H04B Class
- 1.28 % this patent is cited more than
- 15 Age
