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A generalised spatial modulation (SM) scheme with multiple active transmit antennas, named as multiple active-spatial modulation (MA-SM), is proposed in this paper. By allowing multiple transmitting antennas in the SM system to transmit different symbols at the same time instant, MA-SM takes advantages of the low complexity of SM and high multiplexing gain of Vertical-Bell Lab Layered Space-Time (V-BLAST)...
In order to improve the system performance over both frequency- and time-selective fading channels, orthogonal frequency division multiplexing (OFDM) system with transmit diversity technique is an effective and attractive solution. However, the received signal is the superposition of the signals from different transmit antennas. Hence, to obtain accurate channel state information (CSI) is difficult...
The complex orthogonal designs (CODs) with maximal rates and minimal decoding delays is a open problem for space-time block code (STBC). We prove the open problem in the minimal decoding delays, and we present an odd transmit antennas CODs of STBC, associate with Liang's padding scheme or Su's systematic design method we can get a complete designs for CODs of STBC with maximal rates and minimal decoding...
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