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Abstract

In a digital radio receiver, transmitted symbols are recovered from a received signal that includes tim-shifted and frequency-shifted copies of a transmitted signal. A channel estimator extracts channel characteristics from a training signal. Receiver data and software for executing in a processor are stored in a memory connected to the processor. A parameter controller generates receiver configuration parameters from the channel characteristics and the receiver data. The received signal is decomposed into a matrix of samples according to the receiver configuration parameters to adapt the receiver to a multiple multiplexing schemes. An inner product is formed of the samples and channel characteristics, and the transmitted symbols are recovered from the inner product.

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First Claim