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OFDM-based communication system

Efficient Interleaver Design for MIMO-OFDM based Communication System on FPGA

Efficient Interleaver Design for MIMO-OFDM based Communication System on FPGA

... and Communication Engineering from Visvesvaraya Technological University, Karnataka, India in the year ...and Communication in RRC, Visvesvaraya Technological University, Belagavi, Karnataka, India in the ...

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Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset

Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset

... cooperative communication lies in the concept of relaying, introduced by ...achievable communication rate has been derived for a basic three terminal model, containing a source, a relay and a ...protocols ...

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OFDM UMTS Based LTE System

OFDM UMTS Based LTE System

... packet communication, the long term spectral efficiency targets are 5–10 b/s/Hz in a single (isolated) cell; and up to 2–3 b/s/Hz in a multi-cellular case ...reduce system complexity ...

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BER analysis of MIMO-OFDM system in
different fading channel

BER analysis of MIMO-OFDM system in different fading channel

... Analysis Based on Transmit and Receive Diversity Techniques in MIMO OFDM System,” International Journal of Electronics & Communication Technology, 3 (1), ...MIMO OFDM System ...

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PERFORMANCE OF DCT BASED OFDM COMMUNICATION SYSTEM WORKING IN 60 GHz BAND

PERFORMANCE OF DCT BASED OFDM COMMUNICATION SYSTEM WORKING IN 60 GHz BAND

... the OFDM transmission system, N- point IFFT is taken for the transmitted symbols so as to generate, the samples for the sum of N orthogonal subcarrier ...the OFDM signal can be considered as the sum ...

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Adaptive Resource Allocation in MIMO OFDM Communication System

Adaptive Resource Allocation in MIMO OFDM Communication System

... Two classes of optimization techniques have been proposed in SISO/MIMO-OFDMA literature: margin adaptive (MA) [4] and rate adaptive (RA) [5]. The margin adaptive objective is to achieve the minimum overall transmit power ...

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Adaptive Channel Estimation Technique in MIMO-OFDM System for Wireless Communication System

Adaptive Channel Estimation Technique in MIMO-OFDM System for Wireless Communication System

... Training based channel estimation and second one is blind channel ...Training based channel estimation uses two types of pilot types ...each OFDM symbol and not in all the subcarriers while in case ...

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OFDM in Free Space Optical Communication System

OFDM in Free Space Optical Communication System

... of OFDM based FSO system depends not only on the atmospheric condition, but also on the signal power of the ...classified based on the ambient condition as- indoor link and outdoor ...

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Adaptive yielding scheme for link scheduling in OFDM based synchronous device to device (D2D) communication system

Adaptive yielding scheme for link scheduling in OFDM based synchronous device to device (D2D) communication system

... by system-level simulation that the proposed adaptive yielding scheme can improve the average throughput performance by more than 20% over the existing scheme with a fixed yielding threshold when the devices are ...

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Performance of DFT and WAVELET Based OFDM System Based on BER Analysis Using Different Modulation Techniques

Performance of DFT and WAVELET Based OFDM System Based on BER Analysis Using Different Modulation Techniques

... carrier communication because in single carrier communication we are using equalisers to enhance strength of the signal in presence of noise and fading also ...multicarrier communication. The main ...

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Design and comparison of new DWT – OFDM with conventional based system

Design and comparison of new DWT – OFDM with conventional based system

... The wavelet transform means that the signal is expanded, decomposed and analyzed by using a basis function according to different wavelets. This signal analysis method is used to analyze transient signal analysis, image ...

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A Modified FFT Algorithm using Pruning Technology Based on OFDM Wireless Communication System

A Modified FFT Algorithm using Pruning Technology Based on OFDM Wireless Communication System

... the system demands high speed of operation, low power consumption, reduced truncation error and reduced chip ...The OFDM based cognitive radio has the capability to nullify individual sub- carriers ...

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Comparative Analysis of DWT Based OFDM System with DCT Based OFDM System for Image Transmission and Compression

Comparative Analysis of DWT Based OFDM System with DCT Based OFDM System for Image Transmission and Compression

... speed communication has evolved, with the development of orthogonal frequency division multiplexing (OFDM) for various multicarrier modulation ...In OFDM a large number of closely spaced orthogonal ...

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PTS based MIMO-OFDM System using Space Frequency Block Coding Technique

PTS based MIMO-OFDM System using Space Frequency Block Coding Technique

... deployment Communication system can operate with a lower transmit power, transmit over longer distances, tolerate more interference, use smaller antennas and transmit at a higher data ...reliable ...

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A NOVEL APPROACH TO GENERATE DISTRIBUTED GLOBAL AND LOCAL USE CASES: A NEW 
NOTATION

A NOVEL APPROACH TO GENERATE DISTRIBUTED GLOBAL AND LOCAL USE CASES: A NEW NOTATION

... light communication (VLC) system suggested for uplink LiFi ...system. OFDM based network modulation and demodulation have a huge comparative advantages over other modulation including ...

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Performance of PAPR Reduction in MIMO OFDM Based Wireless Communication System

Performance of PAPR Reduction in MIMO OFDM Based Wireless Communication System

... In Multipath propagation is assumed in order to ensure the correct operation of spatial multiplexing and since MIMO is performing better in terms of channel capacity in a rich scatter multipath environment than in case ...

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CHANNEL ESTIMATION OF OFDM BASED SYSTEM USING PILOT ASSISTED NEURAL NETWORKS

CHANNEL ESTIMATION OF OFDM BASED SYSTEM USING PILOT ASSISTED NEURAL NETWORKS

... In OFDM Systems ” , MS thesis , Department Of Electrical Engineering , King Fahd University Of Petroleum And Minerals, Dhahran , Saudi Arabia , August 2002 ...MIMO OFDM Wireless Systems”, ...

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Propose and Experimenting Of an Ofdm-Based Differential Modulation Based Communication System

Propose and Experimenting Of an Ofdm-Based Differential Modulation Based Communication System

... to reduce the transmitted bit power, to function in multi-person state of affairs, to enjoy the houses of OFDM modulation and to perform with none want to RF postpone circuits or complex channel estimators. The ...

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The Network Architecture Encrypted Color Image Transmission in an Amplify and Forward Relaying Based STBC Encoded Cooperative MIMO OFDM System

The Network Architecture Encrypted Color Image Transmission in an Amplify and Forward Relaying Based STBC Encoded Cooperative MIMO OFDM System

... wireless communication system with single relay is shown in ...chaos based image encryption technique and thereby protecting data error in the simulated ...

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Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation
                 

Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation  

... of communication through recent wireless and optical channel. The OFDM is a recent multiple access technology for both wired and wireless ...the OFDM modulation technique that can be adapted to the ...

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