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Systematic Design of Space-Time Convolutional Codes
- Rouchy, Christophe L.
- Advisor(s): Sadjadpour, Hamid
Abstract
Space-time convolutional code (STCC) is a technique that combines transmit diversity and coding to improve reliability in wireless fading channels. In this proposal, we demonstrate a sys- tematic design of multi-level quadrature amplitude modulation (M-QAM) STCCs utilizing quadra- ture phase shift keying (QPSK) STCC as component codes for any number of transmit antennas. Morever, a low complexity decoding algorithm is introduced, where the decoding complexity in- creases linearly by the number of transmit antennas. The approach is based on utilizing a group interference cancellation technique also known as combined array processing (CAP) technique.
Finally, our research topic will explore:
* with the current approach, a scalable STTC with better performance as compared to space- time block code (STBC) combined with multiple trellis coded modulation (MTCM) also known as STBC-MTCM;
* the design of low complexity decoder for STTC;
* the combination of our approach with multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM).
Main Content
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