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Unitary space-time modulation (USTM) is ideally suited for rapid fading scenarios, where neither the transmitter nor the receiver have the channel state information (CSI). However, it has received limited attention compared with the space-time coding schemes that need CSI. An important reason for that is USTM needs too large calculation amount when meeting with a large size constellation. We propose...
Unitary space-time modulation (USTM) is ideally suited for time independent rapid fading channels because it can work well without channel state information (CSI). In reality the fading coefficients are always correlated, in which condition differential unitary space-time modulation (DUSTM) was proposed. However, it also meets with the too high bit error rate (BER) problem when the signal-to-noise...
When channel state information is not available, combined unitary space-time modulation and parallel concatenated convolutional code can greatly improve the system performance, however it also meet with the error floor phenomenon. We propose a scheme of utilizing unitary space-time symbol based serial concatenated convolutional code for multiple-antenna wireless communication systems over rapid fading...
Recently, a novel scheme employing unitary space-time symbol based turbo code (USTSBTC) has been proposed that can greatly reduce the system complexity while maintaining a fairly well performance compared with the bit wise processing version. However, as we know, an intrinsic pitfall of MAP decoding algorithm for turbo code is its too large amount storage requirement. We propose a sliding window for...
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