REDUCED COMPLEXITY SLIDING WINDOW BASED EQUALIZER
First Claim
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1. An apparatus for use in wireless communication comprising:
- a receiver configured to transform a received wireless communications signal to produce a received vector by sampling at a multiple of a data signal chip rate; and
a processor configured to process the received vector using a sliding window based approach, such that for each processing window in a plurality of processing windows an approximate circulant channel response matrix is produced and used to estimate a data vector corresponding to the window.
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Abstract
A method and apparatus for use in data estimation in wireless communication are provided. A wireless communications signal is received and transformed to produce a received vector. The received vector is processed using a sliding window based approach that includes processing each of a plurality of windows. For each window, an approximate circulant channel response matrix is produced for use in estimating a data vector corresponding to the window.
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Citations
20 Claims
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1. An apparatus for use in wireless communication comprising:
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a receiver configured to transform a received wireless communications signal to produce a received vector by sampling at a multiple of a data signal chip rate; and a processor configured to process the received vector using a sliding window based approach, such that for each processing window in a plurality of processing windows an approximate circulant channel response matrix is produced and used to estimate a data vector corresponding to the window. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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2. (canceled)
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12. A method for use in wireless communications, the method comprising:
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transforming a received wireless communications signal to produce a received vector by sampling at a multiple of a data signal chip rate; and processing the received vector using a sliding window based approach, such that for each processing window in a plurality of processing windows an approximate circulant channel response matrix is produced and used to estimate a data vector corresponding to the window. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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13. (canceled)
Specification