Mostafa Wasiuddin Numan

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Multiple-input multiple-output (MIMO) systems play a vital role in fourth generation wireless systems to provide advanced data rate. In this paper, a better performance and reduced complexity channel estimation method is proposed for MIMO systems based on matrix factorization. This technique is applied on training based least squares (LS) channel estimation(More)
Emerging multiple-input multiple-output (MIMO) systems are regarded to play a key role in 4G wireless systems in order to achieve higher data rate while maximizing spectral efficiency. This paper presents a proficient hardware realization of MIMO systems that is designed and implemented on a Xilinx Virtex™-4 XC4VLX60 Field Programmable Gate Arrays(More)
Multiple-input multiple-output (MIMO) is a generic technique that promises to be a strong contender for 4G wireless systems. This paper presents the design and implementation of a Space Time Block Coding (STBC) encoder that is based on Alamouti scheme on a Xilinx® Virtex™-4 XC4VLX60 Field Programmable Gate Arrays (FPGA) device. This encoder is(More)
– The paper presents a low complexity channel estimation technique for multiple-input multiple-output (MIMO) wireless system that involves orthogonal matrix triangularization on training based least squares (LS) estimation to reduce a full rank matrix into a simpler form in order to eliminate matrix inversion. Complexity evaluation of the proposed approach(More)
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