Apparatus and method for channel estimation using compressive sensing based on Taylor series expansion
First Claim
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1. A method for channel estimation comprising:
- determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients;
determining a channel frequency response based on the channel impulse response;
collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response;
generating a sensing matrix based on the Taylor series expansion; and
determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation.
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Abstract
An apparatus and method for channel estimation comprising determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; determining a channel frequency response based on the channel impulse response; collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; generating a sensing matrix based on the Taylor series expansion; and determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation.
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Citations
40 Claims
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1. A method for channel estimation comprising:
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determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; determining a channel frequency response based on the channel impulse response; collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; generating a sensing matrix based on the Taylor series expansion; and determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for channel estimation comprising:
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means for determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; means for determining a channel frequency response based on the channel impulse response; means for collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; means for generating a sensing matrix based on the Taylor series expansion; and means for determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus for channel estimation comprising a processor and a memory, the memory containing program code executable by the processor for performing the following:
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determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; determining a channel frequency response based on the channel impulse response; collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; generating a sensing matrix based on the Taylor series expansion; and determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A non-transitory computer-readable medium for channel estimation, the computer-readable medium storing a computer program, wherein execution of the computer program is for:
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determining a channel impulse response using a Taylor series expansion with a plurality of Taylor series coefficients; determining a channel frequency response based on the channel impulse response; collecting the channel frequency response over a plurality of symbols to obtain a composite channel frequency response; generating a sensing matrix based on the Taylor series expansion; and determining the plurality of Taylor series coefficients based on the composite channel frequency response and the sensing matrix using compressive sensing channel estimation. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification