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 systematic design of multi-level quadrature amplitude modulation (M-QAM) STCCs utilizing quadrature 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 increases 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).
|Commitee:||Dowla, Farid, Garcia-Luna-Aceves, J.J.|
|School:||University of California, Santa Cruz|
|School Location:||United States -- California|
|Source:||MAI 52/06M(E), Masters Abstracts International|
|Subjects:||Communication, Electrical engineering|
|Keywords:||Coding, Convolutional, Mimo, Stbc, Stcc|
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