Communications systems and methods
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United States of America Patent
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N/A
Issued Date -
Feb 10, 2005
app pub date -
Jul 19, 2004
filing date -
Jul 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention generally relates to wired and wireless ultra wideband (UWB) data communications apparatus and methods, and in particular to UWB receiver systems and architectures, and to UWB transmission systems and signals. A UWB receiver system for receiving a UWB signal comprising a plurality of pulses, the system comprising: a receiver front end to receive a UWB signal; a reference UWB signal store for storing a reference UWB signal; and a correlator configured to correlate said received UWB signal with a plurality of differently delayed versions of said stored reference signal to co-determine a timing and a phase of a received UWB signal pulse; whereby a UWB signal carrying data encoded by both pulse position and pulse phase is decodeable.
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