16-QAM OFDM system
Performance Investigation of CO-OFDM WDM-RoF Network with different Modulation Techniques and Dispersion Compensation using FBG
... the system for quality factor (Q-factor) of thereceived data versus the optical launch power forthe both schemes after 320km transmission, withOSNR ...(C-OSSB) OFDM system in linear case, and ...
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Performance Improvement of IEEE 802.11 WLAN-OFDM using 16-QAM Modulation and Moving Average Filtering
... -OFDM system is shown in terms of BER which is calculated for different values of signal to noise ratio ...the system and it should be repeated 150 ...
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Performance Investigation of Unamplified C-Band Nyquist 16-QAM Half-Cycle Transmission for Short-Reach Optical Communications
... Gbps 16-QAM vestigial sideband NHC-SCM transmission over 100 km dispersion-uncompensated standard single-mode fiber ...proposed system out performs DD-optical ...using 16-QAM signaling ...
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Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation
... for OFDM- RoF system using 4 and the 16-QAM modulation technique has been ...4- QAM, the data rate 10 Gb/s, the minimum BER and better Q-Factor value (5e+49) produced at 100km distances ...
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Performance Comparison Analysis between Multi FFT OFDM for Power Line Carrier Communication
... using OFDM ( 16-QAM) and the OFDM is being used considering the requirement of higher data rate and ...using OFDM is the requirement of a simple equalization technique which is an ...
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Low Power Efficient Mimoofdm Design For 802.11N Wlan System
... MIMO OFDM transceiver encoded at half rate using 64 size FFT was designed and implemented on Spartan Virtex 6 FPGA kit ...MIMO OFDM model were obtained to substantiate its ...MIMO OFDM transceiver ...
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Adaptive Modulation Techniques for Duplex OFDM Transmission
... and 16 QAM modems, as well as the fixed—but programmable ...FT-adaptive system, however, delivers very similar throughput to the coded BPSK and coded QPSK transmission, and can deliver a BER of 10 ...
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Design and Implementation of 4 - QAM VLSI Architecture for OFDM Communication
... - QAM (Quadrature Amplitude Modulation) is preferred for OFDM (Orthogonal Frequency Division Multiplexing) based wireless communication ...of QAM is to provide both phase and amplitude modulation. ...
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Performance of IEEE 802.16e MIMO-OFDM System with Alamouti Scheme.
... communications system,also known as IEEE ...MIMO system under different combination of modulation technologies like BPSK, QPSK, 8-QAM and 16-QAM with mobile wireless channel AWGN used ...
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WIMAX-802.16E MIMO (2×4 AND 2×8) SYSTEM WITH AWGN CHANNEL Pratik Bhiwapurkar1, Mukesh Patidar2, Shyam Gehlot3, Dr. Pragya Nema4
... Multiple-Input Multiple-Output (MIMO) systems offer considerable increase in data throughput and link range without additional bandwidth or transmit power by using several antennas at transmitter and receiver to improve ...
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Study of the BER performance in RoF-OFDM system modulated by QAM and PSK
... wireless system. The amazing role of OFDM in encoding digital signals in multiple carrier frequencies makes it an appropriate modulation format in such an optical wireless ...rate OFDM proves its ...
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Analysis of PAPR in Precoded OFDM Systems for M - QAM
... Precoded OFDM Systems for M-QAM (where M=16, 32, 64, ...precoded OFDM system, Walsh Hadamard Transform(WHT) precoded OFDM system, Selected Mapping(SLM), Discrete Fourier ...
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Repeaterless Hybrid CATV/16-Qam OFDM Transport Systems
... CATV/16-QAM OFDM transport system based on half-split-band and remote light injection techniques is proposed and ...for 16-QAM OFDM ...and 16-QAM OFDM ...
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Simulation of 16 QAM OFDM Modulator Using MATLAB
... In this project the simulation for the 16QAM modulator is done by using the MATLAB tools. First the scatter plot in unfiltered mode is plotted. This signal is fed to the filter of given parameters. Output of this filter ...
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PERFORMANCE EVALUATION OF OFDM TRANSCEIVER FOR BPSK & QAM MODULATION TECHNIQUES
... The telecommunication industries insisted on new technology with high transmission abilities standardized by IEEE 802.16 also referred as WiMAX .It has two patterns fixed(802.16d-2004) and mobile(802.16d-2005) which are ...
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Performance Analysis of BER Using Efficient Coding and Interleaving Techniques in MIMO-OFDM System
... of 16-QAM and 64-QAM modulation techniques with and without interleaving ...MIMO OFDM system using OSTBC coding technique and compare it with convolution ...
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Peak to Average Power Ratio Reduction Technique using LPC Coding in OFDM System
... division multiplexing (OFDM) is to reduce the high peak to average power ratio (PAPR), in which leads to the nonlinearity and distortion for the different application of high power amplifier (HPA). PAPR is defined ...
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Performance of OFDM with enhanced Subcarrier Index Modulation using QAM
... called OFDM with index modulation (OFDM-IM), is proposed for operation over frequency-selective and rapidly time-varying fading ...classical OFDM, but also by the indices of the subcarriers, which ...
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PAPR REDUCTION TECHNIQUES IN OFDM
... Selected Mapping (SLM) approaches have been proposed by R.W. Bauml in 1996 [6]. This method is used for minimization of peak to average transmit power of multicarrier transmission system with SLM. A complete set ...
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The International Journal of Innovative Research in Science & Engineering (IJIRSE)
... In digital transmission, the number of bit errors is the number of received bits that are changed or altered due to noise, distortion or bit synchronization errors [6]. The presence of The error in data lowers down the ...
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