high bit rate modulation
FUZZY ADAPTIVE CODED MODULATION IN WIRELESS NETWORK USING BIT ERROR RATE
... using modulation constellations with a high number, S, of different channel symbols, and thus many information bits per symbol (log 2 S in the uncoded case), can be shown to be very effective as long as the ...
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Optimization of Hierarchical Modulation for Use of Scalable Media
... hierarchical modulation. Hierarchical Modulation (known also as embedded or mul- tiresolution modulations) is one of the ways to implement the superimposition of multichannel signals, which uses ...
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FUZZY ADAPTIVE CODED MODULATION IN WIRELESS NETWORK USING BIT ERROR RATE.
... adaptive modulation and code rate in ...is modulation (BPSK, QPSK, 8QAM, 16QAM, 32QAM,64QAM are used in this work) and convolution codes(CC) with ½, ⅔ ...of bit error rate (BER) and ...
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Maximum Likelihood Equalisation for STBC MIMO on Test Bed
... as high data rates, high quality of service, spectral efficiency and ...optimized modulation offer practically limited potential to increase the spectral efficiency ...achieving ...
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Title: Implement Adaptive Modulation Technique to Reduce Bit Error Rate in Wireless Sensor Network
... the bit error rate by saving the energy of the lowest energy’s node and consuming the energy of the higher energy’s node is not optimal, because there is a probability that some other node in the wireless ...
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Comparison of Bit Error Rate Performance of Different Modulation Techniques over Turbulent FSO Link
... Fig. 3 shows the probability density curve for gamma-gamma model with different values of turbulent strength. The values of alpha and beta indicate whether the atmospheric turblence region is weak, moderate or strong. In ...
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Bit Error Rate Analysis In Simulation Of Digital Communication Systems With Different Modulation Schemes
... In wireless, satellite, and space communication systems, reducing error is critical. When a message is transmitted, it has the potential to get scrambled by noise. This is certainly true of voice messages, and is also ...
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PERFORMANCE COMPARISON OF BIT ERROR RATE FOR BPSK AND DS-BPSK FOR AWGN AND RAYLEIGH CHANNELS
... The high speed digital communication over a wireless media required to understand the channel and its ...used modulation technique in satellite ...the Bit error rate (BER) performance for BPSK ...
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Performance of Bit Error Rate and Q-Factor for OFDM-RoF System using QAM Modulation
... OFDM allows the spectrum of the individual sub-carrier to overlap because of its Orthogonality. OFDM can deal with the various techniques possible to transmit through an optical medium. [1] They are Guard Interval, ...
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Differential spatial modulation for high rate transmission systems
... spatial modulation (DSM) scheme which subsumes both the previously introduced DSM and high-rate spatial modulation (HR-SM) for wireless multiple input multiple output (MIMO) ...a ...
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Comparison of CSRZ, DRZ and MDRZ Modulation Formats for High Bit Rate WDM-PON System using AWG
... different modulation formats in order to find the optimum modulation format for a high bit rate optical transmission ...5Gb/s bit rates upto 130km in terms of Q value and eye ...
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Analyzing the performance of a 10 Gb/s DPSK Multicast overlaid WDM-PON Architecture using numerous modulation techniques
... and bit error rate (BER) power in the case of multicast signal regarding all the three modulation techniques whereas ...the bit error rate (BER) in the case of point-to- point signal ...
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C}omparative Analysis of Different Digital Modulation Techniques on the Basis of Their Bit Error Rate in {VHDL
... of bit errors is the number of received bits of a data stream over a communication channel that has been altered due to noise, interference, distortion or bit synchronization ...The bit error ...
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Demodulation and modulation of high bit data transmission in low voltage supply system
... signal modulation technique and PLC applications. One of the modulation techniques discussed here shall be used for developing the power line communications ...
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New Approach for Network Modulation in Cooperative Communication
... Data broadcasted by source is received by destination by direct transmission and/or via one or more relay. By combining the copies of data received directly and/or via independent relays, destination node exploits the ...
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Subband adaptive turbo coded OFDM based interactive video telephony
... supporting bit rates up to 54 Mbits/s, when com- municating over benign, slowly varying dispersive Gaussian fixed links, rather than over hostile wireless ...for high-rate Wireless Asynchronous ...
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FPGA based DWT-IDWT implementation of OFDM on UWB Systems
... level modulation- demodulation in communication systems for a high data rate low distance range applications and low data rate longer distance applications as ...IDWT-DWT modulation ...
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Performance Analysis of BER Using Efficient Coding and Interleaving Techniques in MIMO-OFDM System
... communication system. The classical use for interleaving is to disperse sequences of bits in a bit stream so as to minimize the effect of burst errors introduced in transmission and the BER reduces at the output ...
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Performance Analysis of OFDM System Using MLSE Equalizer over Rayleigh Fading Channel with Different Modulation Technique
... Abstract—In This paper we present an analytical approach to evaluate the performance analysis of OFDM system using MLSE Equalizer Over Rayleigh fading channel through the BPSK, QPSK, 4QAM & 16QAM Modulation ...
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Comparative Analysis of Different Modulation Techniques in Coherent Optical Communication System
... DP-QPSK modulation techniques in terms of constellation diagram and power spectrum with bit rate of 10Gbps at 50km transmission ...with bit rate of 10Gbps by comparing different ...
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