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The sequence detection problem for fading channels in multiple-input multiple-output (MIMO) wireless systems is investigated. The sphere decoding (SD) algorithm provides an exact maximum-likelihood (ML) solution, while has expected worst-case complexity which is exponential in the number of symbols jointly detected. On the other hand, the M-algorithm (MA) is a suboptimal solution. Its complexity is...
Using high rate recursive systematic convolutional code (RSCC) as the basic element and the trace criteria as the design principle, a new kind of high rate recursive space-time trellis code (HR-RSTTC) is designed for serial concatenation. By making the number of RSCCs and the coding rate of each RSCC be variable, our designed HR-RSTTC can adjust the data rate according to the transmit antenna number...
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