A New Design for Concatenated Space-Time Block Code M-TCM
Ao Jun①;Ao Fa-liang②; Liao Gui-sheng①
①National Lab of Radar Signal Processing, Xidian University, Xi’an 710071, China;②College of Information and Communication, Gulling University of Electronic and Technology, Guilin 541004, China
Abstract:The maximization of data rate under the constraint of diversity gain, coding gain and total transmit power is a considerable issue in concatenated orthogonal space-time coding system. Based on the concatenated orthogonal space-time coding design criterion, this paper proposed a novel full-rate concatenated orthogonal space-time block codes with multiple trellis coded modulation approach. By introducing the power diversity factor, a new combining algorithm for maximum likelihood decoding is derived. Simulation are performed over the fast and the slow Rayleigh fading channels to demonstrate the 1dB coding gain of the proposed concatenated orthogonal space-time block codes with multiple trellis coded modulation schemes over the super orthogonal space-time coding schemes.