MIMO AND OFDM)
Performance Analysis of PAPR in STBC MIMO-OFDM System under Different Modulation Schemes
... in OFDM reduces bandwidth usage and frequency selective fading due to ...behind MIMO is its data rate. MIMO provides enormous data rate and improves bit error ...in MIMO which provides space ...
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ESTIMATED POWER DELAY PROFILE WITH WIENER FILTER ALGORITHM FOR MIMO-OFDM SYSTEMS
... (WiMAX). MIMO-OFDM provides a considerable performance gain over broadband single-antenna systems by obtaining the spatial diversity or multiplexing gain [3], ...of MIMO-OFDM systems are ...
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BER ANALYSIS OF BPSK BASED MIMO AND MIMO-OFDM SYSTEM
... “Broadband MIMO- OFDM wireless communications,” ...of MIMO-OFDM Systems with Joint Iterative Channel Estimation and Multiuser Detection under Different Multiple Access Schemes”, IEEE ...
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Performance evaluation of OFDM using MIMO STTC for AWGN, RAYLEIGH, combined Rayleigh with AWGN and RICIAN channel for WIMAX and Bluetooth application
... complexity. OFDM can be used in conjunction with a Multiple-Input Multiple-Output (MIMO) transceiver to increase the diversity gain and/or the system capacity by exploiting spatial ...the OFDM system ...
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A new MIMO system using Modified Hermite Pulses Compared to MIMO-OFDM system
... The Hermite functions constitute an orthogonal waveforms. To be used as support of transmission, the operation requires that they must be normalized. At the receiver, the orthogonality of these functions guarantees the ...
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PAPR and Bandwidth Analysis of SISO OFDM/WOFDM and MIMO OFDM/WOFDM (WiMAX) for Multi Path Fading Channels
... Therefore, the present work, investigates the performances of several systems such as SISO, MISO and MIMO OFDM and wavelet based OFDM systems to reflect the expected improvements can be [r] ...
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Minimization Of Inter Carrier Interference Using Iterative Technique for Mimo-Ofdm
... subcarriers. OFDM-MIMO systems are being used in the latest generation of wireless mobile communications for achieving high- speed data transmission and ...
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Improving MIMO-OFDM decision-directed channel estimation by utilizing error-correcting codes
... three MIMO-OFDM systems (4-QAM modulated) and a single-carrier system are compared: First a MIMO-OFDM RLS enhanced DDCE sys- tem with LDPC Codes as channel coder, second again a RLS enhanced ...
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Synchronization in MIMO OFDM systems
... Abstract. In this paper, an overview of carrier frequency off- set (CFO) estimation algorithms for Orthogonal Frequency Division Multiplexing (OFDM) systems is presented. It is well-known that multicarrier systems ...
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On MIMO OFDM with Coding and Loading
... coded MIMO-OFDM with ABL based on the singular value decomposition (SVD) of the MIMO channel in case of full ...of MIMO processing without the need for CSI at the transmitter is particularly ...
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Analysis of MIMO-OFDM System with Transmission
... coded MIMO-OFDM system with more than one antenna at the receiver and channel capacity for MIMO-OFDM system under independent, identically distributed ...correlated MIMO-OFDM ...
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A new ici cancellation scheme and performance analysis of bit error rate for mimo ofdm based systems
... the MIMO data detector/decoder and soft data symbols for the PPIC ICI ...in OFDM, the time domain ISI can be avoided. With the message passing MIMO detector (denoted as MPD in the following ...
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ICI reduction through shaped OFDM in coded MIMO-OFDM systems
... coded MIMO- OFDM communications ...in OFDM systems, to the best of our knowledge, we are unable to find any published work on pulse shaping for MIMO-OFDM systems in the literature to ...
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A New Transmission Scheme for MIMO – OFDM
... reduced. MIMO code was designed in such a way that it can be raised up to 2xN ...that MIMO-OFDM with space time coding can provide high data rate transmission and there is no need to increase the ...
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Resource allocation in MIMO-OFDM Systems
... filling algorithm. The simulation model accepts inputs as text or audio files, binary, sinusoidal, or random data. The channel simulation allows examination of common wireless multipath channel characteristics such ...
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Efficient Interleaver Design for MIMO-OFDM based Communication System on FPGA
... layer is as shown in fig. 1. The Forward Error Correction (FEC) pieces incorporate convolution encoding, puncturing, and interleaving. An adjustment of the framework portrayed in Figure 1 is to utilize two separate ...
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Iterative Receiver Architectures for MIMO OFDM
... turbo MIMO-OFDM receiver com- prises three major components, namely the soft-feedback aided decision-directed channel estimator (DDCE) [6], followed by the soft-input-soft-output optimized-hierarchy reduced ...
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Smoothing techniques for decision-directed MIMO OFDM channel estimation
... of MIMO-OFDM is ad- dressed with an recursive approach that acquires minimal re- sources with virtual no performance ...the MIMO time-frequency grids of channel coefficients to reduce the peak-like ...
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Dynamic Beamforming for MIMO-OFDM
... for MIMO-OFDM in LTE technique, Beam forming can be used at both the transmitting and receiving ends in order to achieve spatial ...rejection. MIMO(Multiple-Output, Multiple-Input) Systems achieves ...
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Sparse massive MIMO OFDM channel estimation based on compressed sensing over frequency offset environment
... for MIMO-OFDM by simultaneously exploiting the time-domain pseudo-noise (PN) sequence and frequency-domain ...the OFDM blocks are cyclically reconstructed based on the idea of overlap and add (OLA) ...
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