Method and apparatus for signal detection in ultra wide-band communications
AssigneeNational University of Singapore
InventorsKay Soon Low, Jurianto Joe
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Abstract
Methods and apparatus for detecting ultra wide-band signals using circuitry having nonlinear dynamics characteristics are disclosed. The receiver circuit can be implemented using a simple tunnel diode or using an op-amp to provide dynamic characteristics. The detector can be used in a variety of modulation schemes, including but not limited to an ON-OFF keying scheme, an M-ary pulse position modulation scheme, and a pulse width modulation scheme. The approach requires only a single frame to detect the signal.
Claims33
A method for detecting an ultra-wide band (UWB) signal comprising:
- receiving a transmitted UWB signal as a received signal;
- providing a circuit configured to produce a plurality of groups of one or more pulses in response to sensing portions of said received signal;
- detecting a subset of said groups of one or more pulses;
- and
- producing an information symbol for each group of one or more pulses contained in said subset.
A method for recovering information from an ultra-wide band (UWB) signal comprising:
- receiving a transmission of said UWB signal as a received signal;
- producing a plurality of groups of one or more pulses from said received signal;
- and
- decoding at least some of said groups of one or more pulses to produce a plurality of symbols, said information comprising said symbols.
A circuit system for detecting an ultra-wide band (UWB) signal comprising:
- a receiver circuit configured to receive a transmitted UWB signal as a received signal;
- a pulse generation circuit configured to produce a plurality of groups of one or more pulses in response to detecting said received signal;
- and
- a detector circuit configured to detect some of said groups of one or more pulses and in response thereto producing a plurality of information symbols.
An ultra-wide band (UWB) detection system comprising:
- means for receiving a transmitted UWB signal as a received signal;
- means for producing a plurality of pulses from said received signal;
- means for masking out some of said pulses to produce remaining pulses;
- and
- means for producing information symbols from said remaining pulses.
In an impulse radar system, a UWB detector comprising:
- means for receiving a reflected UWB radar signal as a received signal;
- means for producing a plurality of pulses from said received signal;
- means for masking out some of said pulses to produce remaining pulses;
- and
- means for producing information symbols from said remaining pulses.
Dependencies are inferred from the claim text.