OFDM based wireless system
FBMC vs OFDM Waveform Contenders for 5G Wireless Communication System
... of wireless communication systems like 4G, Long Term evolu- tion and now the successor ...generation wireless communi- cation, Orthogonal Frequency Division Multiplexing (OFDM) and Filter Bank Multi ...
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Performance Improvement of OFDM System using Raised Cosine Windowing with Variable FFT Sizes
... chosen based on the channel ...Because wireless communications systems are susceptible to multi-path channel reflections, a cyclic prefix is additional to decrease ...
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Subcarrier allocation based simultaneous wireless information and power transfer for multiuser OFDM systems
... a wireless OFDM downlink system consisting of one cognitive base station (CBS) and k ...The OFDM system bandwidth is assumed to be equally divided into n (n ≥ k) ...
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Secure OFDM System Design for Wireless Communications
... anti-eavesdropping OFDM system is pro- posed by exploiting coordinate interleaving at partial subcarriers of each OFDM sig- ...threshold. Based on channel reciprocity, the legitimate receiver ...
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OFDM UMTS Based LTE System
... For wireless communication system high bit rate and low bit error rate is ...of wireless communication. Orthogonal Frequency Division Multiplexing (OFDM) is selected as the basis of LTE ...
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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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Review on Channel Estimation in MIMO OFDM Wireless System
... a system that is OFDM with space–time coding in time-varying along multipath fading ...every OFDM data symbols. The approach is developed based on a channel with relatively inadequate delay ...
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Rotman lens based two tier hybrid beamforming for wideband mmWave MIMO OFDM system with beam squint
... mmWave system. With these observations, we proposed Rotman lens -based two-tier hybrid precoder, aiming to maximize the spectral effi- ...designed based on block diagonalization in the multiuser ...
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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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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 ...of ...
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Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation
... of wireless avenues that can be achieved in the orthogonal ...recent wireless and optical channel. The OFDM is a recent multiple access technology for both wired and wireless ...the ...
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CHANNEL ESTIMATION OF OFDM BASED SYSTEM USING PILOT ASSISTED NEURAL NETWORKS
... over wireless channels. Now OFDM is widely used for high-speed communications over frequency selective ...channels. OFDM divides the high data rate stream into parallel lower data rate and hence ...
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Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset
... It is widely acknowledged that the combination of MIMO and STCs is able to provide a significant improvement of the capacity and bit error performance of wireless systems. However, there are some existing ...
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IMPLEMENTATION OF MIMO OFDM STF CODING FRAMEWORK FOR WIRELESS COMMUNICATION SYSTEM
... A common type of error correction coding used with OFDM-based systems is convolutional coding, which is often concatenated with Reed-Solomon coding. Convolutional coding is used as the inner code and ...
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Low Complexity Precoding of BICMB-OFDM-SG for Wireless Broadband System
... The diversity of BICMB-OFDM-SG with precoding also depends on the α-spectra of BICMB-OFDM-SG without precoding. In fact, the α-spectra are related with the bit interleaver and the trellis structure of the ...
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Design and Implementation of 4 - QAM VLSI Architecture for OFDM Communication
... ABSTRACT: In this paper, 4 - QAM (Quadrature Amplitude Modulation) is preferred for OFDM (Orthogonal Frequency Division Multiplexing) based wireless communication system. Among various digital ...
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The Network Architecture Encrypted Color Image Transmission in an Amplify and Forward Relaying Based STBC Encoded Cooperative MIMO OFDM System
... providing wireless multimedia and interactive high speed internet services are fuelling intensive research efforts to materialize the vision of future/next generation Internet Protocol (IP)-based ...
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Performance of PAPR Reduction in MIMO OFDM Based Wireless Communication System
... 1) Block Coding Techniques: This technique is used to reduce PAPR using different block coding technique & set of code words communication. This scheme is widely used to reduce the peak to average power ratio. The ...
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PTS based MIMO-OFDM System using Space Frequency Block Coding Technique
... 802-16 wireless MAN is configured in the same way as a traditional cellular ...the system very attractive for users, but there will be slightly higher BER at low ...
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R}eview and Analysis of Multiuser Detection Techniques for Smart Antenna of SDMA-{OFDM
... of system, which is frequently limited by SIR (Signal to interference) ...of wireless communication systems improved by the smart antenna systems and hence the system capacity is increases ...
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