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This paper proposes and studies a transmitter preprocessing aided spatial modulation (PSM) scheme, which conveys information jointly by a conventional amplitude-phase modulation (APM) and a preprocessing aided space shift keying (pre-SSK) modulation. In contrast to the existing SSK modulation, which carries information using the indexes of transmitter antennas and assumes channel state information...
The so-called receiver multiuser diversity aided multi-stage minimum mean-square error multiuser detector (RMD/MS-MMSE MUD), which was proposed previously by the author, is investigated in the context of the direct-sequence code-division multiple-access (DS-CDMA) and space-division multiple-access (SDMA) systems that employ in- and quadrature-phase (I-Q) modulation schemes. A detection scheme is studied,...
This paper proposes a multi-stage minimum mean-square error (MS-MMSE) detector and two low-complexity reliability measurement schemes, namely the Type-L and Type-A schemes, in order for the multiple-input multiple-output (MIMO) systems using binary phase-shift keying (BPSK) modulation to attain near single-user bit-error-rate (BER) performance. In our MS-MMSE detector, signals to be detected are ranked...
In this paper, we investigate the exact error performance of transmit antenna selection combined with receive maximal-ratio combining (MRC) in correlated fast-fading channels. A single transmit antenna that maximizes the instantaneous received signal-to-noise ratio (SNR) is selected among all available transmit antennas. The exact bit error rate (BER) is derived in a concise closed-form for binary...
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