Communications systems and methods
First Claim
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1. An ultra wideband (UWB) receiver system comprising:
- a receiver front end to receive a UWB signal;
an analogue-to-digital converter coupled to said receiver front end to digitise said received UWB signal;
a correlator coupled to said analogue-to-digital converter to correlate said digitised UWB signal with a reference signal,a reference signal memory to store said reference signal and controller to determine reference signal data from said digitised UWB signal, and to write said determined data into said reference signal memory; and
wherein said receiver front end includes a received signal level adjuster, and wherein said signal level adjuster is responsive to said reference signal.
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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.
An ultra wideband (UWB) receiver system comprising: a receiver front end to receive a UWB signal; an analogue-to-digital converter coupled to said receiver front end to digitize said received UBW signal; and a correlator coupled to said analogue-to-digital converter to correlate said digitized UWB signal with a reference signal.
17 Citations
13 Claims
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1. An ultra wideband (UWB) receiver system comprising:
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a receiver front end to receive a UWB signal; an analogue-to-digital converter coupled to said receiver front end to digitise said received UWB signal; a correlator coupled to said analogue-to-digital converter to correlate said digitised UWB signal with a reference signal, a reference signal memory to store said reference signal and controller to determine reference signal data from said digitised UWB signal, and to write said determined data into said reference signal memory; and
wherein said receiver front end includes a received signal level adjuster, and wherein said signal level adjuster is responsive to said reference signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An ultra wideband (UWB) receiver system comprising:
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a receiver front end to receive a UWB signal; an analogue-to-digital converter coupled to said receiver front end to digitise said received UWB signal; and a correlator coupled to said analogue-to-digital converter to correlate said digitised UWB signal with a reference signal, wherein said receiver front end includes a received signal level adjuster, and further comprising a monitor to store at least one statistical characteristic of said UWB signal, and a controller to control said signal level adjuster responsive to said monitor.
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Specification