Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2011-02-01
2011-02-01
Payne, David C (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S144000, C375S316000, C375S341000, C375S346000
Reexamination Certificate
active
07881391
ABSTRACT:
Embodiments of an OFDM receiver and methods for decoding OFDM symbols of two or more data streams with reduced multiplication operations are generally described herein. Other embodiments may be described and claimed. In some embodiments, one or more terms of a modified L2-squared-norm cost function are precomputed and stored for predetermined complex symbol values of one or more tones of OFDM symbols prior to performing a searching process. During the searching process, the cost function is computed using the precomputed terms and received data symbols using shifting and adding operations, rather than multiplication operations. In other embodiments, non-L2-squared-norm cost functions are used.
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Holt Keith A.
Kalluri Sudhakar
Qi Xiao-Feng
File Erin M
Gorrie Gregory J.
Intel Corporation
Payne David C
Schwegman Lundberg & Woessner, P.A.
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