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A relay assisted system using Hybrid-STBC-VBLAST for Multiple Access Channel (MAC) is proposed in this paper. The proposed system encodes information at handsets of multiple users using Space Time Block Coding (STBC); decodes and re-encodes using Hybrid-STBC-VBLAST at relay; and decodes using Maximum-likelihood (ML) at destination. The results are evaluated for 4 to 8 transmit antennas of relay and...
In this paper, performance of Multiuser Multiple-Input Multiple-Output (MU-MIMO) uplink wireless communication is investigated in the presence of rayleigh fading. Information are modulated using QPSK or 16 QAM or 64 QAM modulator and modulated data are further encoded using STBC and then split into n streams which are simultaneously transmitted through MT transmit antennas of each user. Space Time...
A Multiple Input Multiple Output (MIMO) relay assisted wireless communication system encoded with Turbo-VBLAST codes is studied in this paper. Source is equipped with multiple transmit antennas, relay is equipped with multiple transmit as well as receive antennas and destination is also equipped with multiple receive antennas. Input bits are encoded by a Turbo encoder and modulated by a QPSK or 16...
A Multiple Input Multiple Output (MIMO) relay assisted wireless communication system encoded with Turbo- VBLAST codes is studied in this paper. Source is equipped with multiple transmit antennas, relay is equipped with multiple transmit as well as receive antennas and destination is also equipped with multiple receive antennas. Turbo encoder encodes the input bits and then QPSK or 16 QAM or 64 QAM...
In this paper, performance of a Turbo coded wireless link is evaluated in the presence of Rayleigh fading for single transmit antenna and multiple receive antennas system using selective combining, equal gain combing and maximal ratio combining. Data are encoded using turbo encoder then modulated by QPSK or 16 QAM or 64 QAM before transmitting. And at the receiver combination is performed by using...
This paper compares the performance of a Turbo coded wireless link for SISO, SIMO, MISO and MIMO system with uncoded wireless link for SISO, SIMO, MISO and MIMO system in the presence of ray Leigh fading. Turbo encoder encodes the input information bits and sends to 64 QAM modulator. Modulated symbols are mapped by STBC. Outputs of STBC split into n streams which are simultaneously transmitted using...
In this paper, performance of a Turbo coded OFDM wireless link is evaluated in the presence of Rayleigh fading for SISO, SIMO, MISO and MIMO system. Data are encoded using turbo encoder then modulated by QPSK or 16 QAM or 64 QAM and further encoded using STBC, and the encoded data are split into n streams which are modulated by OFDM and simultaneously transmitted using n transmit antennas. It is observed...
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