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wireless OFDM systems design

Reconfigurable antennas and link adaptation algorithms for MIMO OFDM wireless systems

Reconfigurable antennas and link adaptation algorithms for MIMO OFDM wireless systems

... the design of this algorithm, we observed that the feed- back information is often transmitted through a fading channel and is therefore itself prone to ...

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Secure OFDM System Design for Wireless Communications

Secure OFDM System Design for Wireless Communications

... separate wireless channels in rich multipath ...each OFDM symbol are included in the ...separate wireless channels are independent of each other, an eavesdropper at a third location cannot derive the ...

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Multiuser MIMO OFDM for Next Generation Wireless Systems

Multiuser MIMO OFDM for Next Generation Wireless Systems

... multicarrier OFDM arrangements with multiple-input multiple-output (MIMO) systems has nu- merous benefits, which are detailed in this ...MIMO OFDM systems in the so-called rank-deficient ...

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Multi carrier cooperative wireless communication : performance analysis and resource allocation : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy  in Electrical Engineering at Massey University, New Zea

Multi carrier cooperative wireless communication : performance analysis and resource allocation : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Electrical Engineering at Massey University, New Zealand

... cooperative wireless communication is emerging as the major candidate technology for the next generation wireless cellular networks that will support significantly higher data rates than the recent ...

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FPGA Implementation of OFDM Transceiver using FFT Algorithm

FPGA Implementation of OFDM Transceiver using FFT Algorithm

... of OFDM have been in existence for several ...4G wireless communication systems, bandwidth is a precious commodity, and service providers are continuously met with the challenge of accommodating more ...

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Capacity gain and design trade offs for partial duplex OFDM wireless communications

Capacity gain and design trade offs for partial duplex OFDM wireless communications

... BPD, the sub-carriers selected for FD mode are adja- cent, as in a single block. Without any selection strategy on the block, we can assume to choose it centered in the available spectrum; this is the allocation strategy ...

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Design of FFT Processor for OFDM Systems

Design of FFT Processor for OFDM Systems

... Now a day, there is requirement of high speed multimedia transmission in wireless communication system. So, in order to the increase the speed we are using the FFT and IFFT designs in OFDM systems. ...

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Layered Video Transmission on Adaptive OFDM Wireless Systems

Layered Video Transmission on Adaptive OFDM Wireless Systems

... communication systems for cooperative driv- ing; MIUR “WWLAN” project for wideband high-speed wireless LAN; CNIT/ASI (Italian Space Agency) projects “Integration of Multimedia Services on Heterogeneous ...

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OFDM systems design using harmonic wavelets

OFDM systems design using harmonic wavelets

... communication systems such as wireless fidelity (Wi-Fi), long term evolution (LTE) and power line communication ...for OFDM signal ...pilot-assisted OFDM system in terms of reduction in the ...

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Modelling and Performance Analysis of Massive MIMO OFDM Wireless System with Turbo Encoding

Modelling and Performance Analysis of Massive MIMO OFDM Wireless System with Turbo Encoding

... 1980s, OFDM has been studied for high speed modems and for digital mobile communications ...1990s, OFDM has found its applications in wideband data communications over mobile radio FM channels, ...

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STBC-OFDM using Compressive Sensing Theory for Wireless Systems

STBC-OFDM using Compressive Sensing Theory for Wireless Systems

... future wireless broadband communications. In a multipath wireless channel environment, the deployment of Multiple Input Multiple Output (MIMO) systems which enhance channel capacity enormously has ...

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STBC-OFDM using Compressive Sensing Theory for Wireless Systems

STBC-OFDM using Compressive Sensing Theory for Wireless Systems

... prefix OFDM (CP-OFDM). STBC-OFDM suffers a high difficulty in supporting high modulation schemes such as PSK in low speed vehicular ...both systems. STBC-OFDM and CP-OFDM system ...

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Interference Analysis of Partial Response Coded OFDM Signals

Interference Analysis of Partial Response Coded OFDM Signals

... before OFDM finds widespread use in modern wireless communication ...of OFDM are not strictly band ...in OFDM systems reduce the ICI power without decreasing the bandwidth ...

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A Review on Channel Estimation Techniques for MIMO-OFDM in Wireless Systems

A Review on Channel Estimation Techniques for MIMO-OFDM in Wireless Systems

... In 2009, Y. Mlayels [7] investigate an extra processingadded to conventional LS estimation to improve itsperformance in MIMO-OFDM systems. The new techniqueproposed is based on knowledge of the power delay ...

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Carrier Frequency Offset Estimation for OFDM Systems Using Time/Frequency-Domain Techniques

Carrier Frequency Offset Estimation for OFDM Systems Using Time/Frequency-Domain Techniques

... mobile wireless communications is rapidly ...for wireless communication systems because of it multicarrier modulation ...the OFDM symbol, which greatly degrades the overall system ...an ...

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Implementation of Flip Ofdm Based Iterative Receiver for Optical Wireless Communication

Implementation of Flip Ofdm Based Iterative Receiver for Optical Wireless Communication

... OFDM upon no slanting, it start the realistic applications of Flip-OFDM in OWC In the conventional headphone for Flip-OFDM, the facts is recupstairsed by way of subtracting the gloomy gesticulate ...

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Resource allocation method for improved energy efficiency in mimo -ofdm wireless systems

Resource allocation method for improved energy efficiency in mimo -ofdm wireless systems

... This Paper has investigated the Energy Efficiency in MIMO-OFDM Systems with different Antenna Selection Strategies .Several Important Factors that affect the Energy Efficiency ,including the comparison ...

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Abstract Orthogonal Frequency Division Multiplexing (OFDM) is the broadband multicarrier

Abstract Orthogonal Frequency Division Multiplexing (OFDM) is the broadband multicarrier

... user wireless systems that can provide high spectral efficiency by incorporating various advanced ...scheduled OFDM systems with the assumption of the same average SINR for each ...OFDMA/SDMA ...

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A Review on Some Channel Prediction Techniques for MIMO-OFDM Wireless Systems

A Review on Some Channel Prediction Techniques for MIMO-OFDM Wireless Systems

... In 2006, Toufiqual Islam [5] presented multiuser channel prediction technique for space time block coded orthogonal frequency division multiplexing (STBC-OFDM) systems based on simple blocked pilot grid. ...

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Fine Frequency Offset based Section Synchronization in Cognitive Radio Systems

Fine Frequency Offset based Section Synchronization in Cognitive Radio Systems

... wideband OFDM is a delightful prospect potent paint technology apropos to its capability of transmitting over non- contiguous frequency bands [8] [9] ...non-contiguous OFDM-based cognitive radio ...

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