Pulse transmission transmitter including a higher order time derivate filter
First Claim
1. A pulse transmission transmitter, comprising:
- a clock;
a pseudorandom polynomial generator coupled to said clock, said pseudorandom polynomial generator having a polynomial load input;
an exclusive-OR gate coupled to said pseudorandom polynomial generator, said exclusive-OR gate having a serial data input;
a programmable delay circuit coupled to both said clock and said exclusive-OR gate;
a pulse generator coupled to said programmable delay circuit; and
a higher order time derivative filter coupled to said pulse generator.
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Abstract
Systems and methods for pulse-transmission low-power communication modes are disclosed. A pulse transmission transmitter includes: a clock; a pseudorandom polynomial generator coupled to the clock, the pseudorandom polynomial generator having a polynomial load input; an exclusive-OR gate coupled to the pseudorandom polynomial generator, the exclusive-OR gate having a serial data input; a programmable delay circuit coupled to both the clock and the exclusive-OR gate; a pulse generator coupled to the programmable delay circuit; and a higher order time derivative filter coupled to the pulse generator. The systems and methods significantly reduce lower-frequency emissions from pulse transmission spread-spectrum communication modes, which reduces potentially harmful interference to existing radio frequency services and users and also simultaneously permit transmission of multiple data bits by utilizing specific pulse shapes.
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Citations
11 Claims
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1. A pulse transmission transmitter, comprising:
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a clock;
a pseudorandom polynomial generator coupled to said clock, said pseudorandom polynomial generator having a polynomial load input;
an exclusive-OR gate coupled to said pseudorandom polynomial generator, said exclusive-OR gate having a serial data input;
a programmable delay circuit coupled to both said clock and said exclusive-OR gate;
a pulse generator coupled to said programmable delay circuit; and
a higher order time derivative filter coupled to said pulse generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A pulse transmission transmitter, comprising:
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a clock;
a pseudorandom polynomial generator coupled to said clock, said pseudorandom polynomial generator having a polynomial load input;
an exclusive-OR gate coupled to said pseudorandom polynomial generator, said exclusive-OR gate having a serial data input;
a programmable delay circuit coupled to both said clock and said exclusive-OR gate;
a pulse generator coupled to said programmable delay circuit; and
a higher order time derivative filter coupled to said pulse generator, wherein said clock, said pseudorandom polynomial generator, said exclusive-OR gate, said programmable delay circuit, said pulse generator and said higher order time derivative filter all define a one-chip integrated circuit. - View Dependent Claims (9)
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10. A pulse transmission transmitter, comprising:
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a clock;
a pseudorandom polynomial generator coupled to said clock, said pseudorandom polynomial generator having a polynomial load input;
an exclusive-OR gate coupled to said pseudorandom polynomial generator, said exclusive-OR gate having a serial data input;
a programmable delay circuit coupled to both said clock and said exclusive-OR gate;
a pulse generator coupled to said programmable delay circuit;
a higher order time derivative filter coupled to said pulse generator a matching network coupled to said higher order time derivative filter; and
an antenna coupled to said matching network. - View Dependent Claims (11)
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Specification