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quadrature phase shift technique

DESIGN OF A VERIFICATION TECHNIQUE FOR QUADRATURE PHASE SHIFT KEYING USING MODEL SIM SIMULATOR FOR BROADCAST COMMUNICATION RELEVANCE’S

DESIGN OF A VERIFICATION TECHNIQUE FOR QUADRATURE PHASE SHIFT KEYING USING MODEL SIM SIMULATOR FOR BROADCAST COMMUNICATION RELEVANCE’S

... transmission. Phase shift keying uses a finite number of phases unlike all other digital modulation techniques, which uses finite number of distinct signals to represent the ...

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High dimensionality carrierless amplitude phase modulation technique for radio over fiber system

High dimensionality carrierless amplitude phase modulation technique for radio over fiber system

... include quadrature phase shift keying (QPSK), quadrature amplitude modulation (QAM), and orthogonal frequency division multiplexing (OFDM) with coherent detection and digital signaling ...

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Performance Comparison of Digital Modulation Techniques used in Wireless Communication System

Performance Comparison of Digital Modulation Techniques used in Wireless Communication System

... modulation technique among those , which are compared in this ...amplitude shift keying (ASK), quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), ...

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BER Performance Simulation of OFDM System with Channel Estimation using M-PSK and M-QAM

BER Performance Simulation of OFDM System with Channel Estimation using M-PSK and M-QAM

... M-ary phase shift keying (M-PSK) and M-ary quadrature amplitude modulation (M-QAM) digital modulation techniques for mapping the signal in OFDM system for bit error rate evaluation with the ...

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Online Full Text

Online Full Text

... (OLS) technique is considered a way to increase transmission speed in optical networks ...(PDM)-differential quadrature phase shift keying (DQPSK) transmission system with 156 Mb/s SAC labels ...

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Comparative Study of Bit Error Rate with Channel Estimation in OFDM System for M ary Different Modulation Techniques

Comparative Study of Bit Error Rate with Channel Estimation in OFDM System for M ary Different Modulation Techniques

... M-ary phase shift keying (M- PSK) and M-ary quadrature amplitude modulation (M-QAM) digital modulation techniques for mapping the signal in OFDM system for bit error rate evaluation with the ...

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Trellis Coded Modulation Schemes Using A New Expanded 16-Dimensional Constant Envelope Quadrature-Quadrature Phase Shift Keying Constellation

Trellis Coded Modulation Schemes Using A New Expanded 16-Dimensional Constant Envelope Quadrature-Quadrature Phase Shift Keying Constellation

... modulation technique for digital transmission that is especially appropriated for band-limited channels, and it has become very popular during recent years because of the gains achieved without compromising ...

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PAPR Reduction Based on Proposed Rotating Phase Shift Technique in MC CDMA Using FPGA

PAPR Reduction Based on Proposed Rotating Phase Shift Technique in MC CDMA Using FPGA

... of phase factors is eliminated, which is originally employed in SLM and PTS, by introducing the method of rotating each time domain sub-block symbol by a predetermined degree and circular shifting of partially ...

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Evaluation of SNR for AWGN, Rayleigh and Rician Fading Channels Under DPSK Modulation Scheme with Constant BER

Evaluation of SNR for AWGN, Rayleigh and Rician Fading Channels Under DPSK Modulation Scheme with Constant BER

... better technique. Technique such as Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK), Differential Phase shift Keying (DPSK) and ...

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Bit Error Rate Performance of OFDM/OQPSK and CPM with Channel Coding Over AWGN Channel

Bit Error Rate Performance of OFDM/OQPSK and CPM with Channel Coding Over AWGN Channel

... Multiplexing/Offset Quadrature Phase Shift Keying (OFDM/OQPSK) and Continuous Phase Modulation (CPM) over Additive White Gaussian Noise (AWGN) channel is ...correction technique had a ...

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Phase and Quadrature Pulsed Bias LC CMOS VCO

Phase and Quadrature Pulsed Bias LC CMOS VCO

... large phase shifts and energy refill process may produce sensible changes in the nominal period of ...several quadrature oscillators architectures [8], however we remark our approach is based directly on ...

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Precision Core Temperature Measurement of Metals Using an Ultrasonic Phase-Shift Method

Precision Core Temperature Measurement of Metals Using an Ultrasonic Phase-Shift Method

... the phase-shift technique, temperature change in a material can be measured, these results agree with the reviewed literature and other existing studies based on the dependence of ultrasonic velocity ...

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Effects of Pulse Distortion on Phase Velocity Measurements Using the Zero Crossing Shift Technique

Effects of Pulse Distortion on Phase Velocity Measurements Using the Zero Crossing Shift Technique

... In addition to the plate thickness, this error is determined by the following variables: x, the transducer separation distances; D, the EMAT period; u, the Poisson ratio; and B, the puls[r] ...

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DESIGN OF SIMULINK MODEL FOR OFDM AND COMPARISON OF FFT- OFDM AND DWT-OFDM.

DESIGN OF SIMULINK MODEL FOR OFDM AND COMPARISON OF FFT- OFDM AND DWT-OFDM.

... To generate a baseband OFDM symbol, a serial digitized data stream is first channel coded and then modulated using phase shift keying (PSK) or quadrature amplitude modulation (QAM). These data ...

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Integrating dual antennas with hybrid DC32 QAM modulation to increase the coverage area for wireless sensor networks

Integrating dual antennas with hybrid DC32 QAM modulation to increase the coverage area for wireless sensor networks

... to shift the received signals into to the erroneous regions (reducing the noise errors), and hence reducing the error rate of the ...the Phase shift keying scheme gives this particular modulation an ...

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FPGA Architecture for OFDM Software Defined Radio with an optimized Direct Digital Frequency Synthesizer

FPGA Architecture for OFDM Software Defined Radio with an optimized Direct Digital Frequency Synthesizer

... (OFDM), Quadrature Phase Shift Keying (QPSK), Fast Fourier Transform (FFT) Algorithms and most importantly, the algorithm for Direct Digital Frequency Synthesis ...

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FPGA Implementation of QPSK modulator by using Hardware Co-simulation

FPGA Implementation of QPSK modulator by using Hardware Co-simulation

... (Quadrature Phase Shift Keying) is one of the modulation schemes used in wireless communication system due to its ability to transmit twice the data rate for a given ...

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Design and Analysis of Power System Stabilizer and Unified Power Flow Controller for Enhancements of Transient Stability

Design and Analysis of Power System Stabilizer and Unified Power Flow Controller for Enhancements of Transient Stability

... in phase voltage control, quadrature voltage control, quadrature current control, real current control and phase angle control, but in this paper except phase angle control the ...

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Islanding Detection and Controlled Islanding in Emerging Power Systems Key Issues and Challenges

Islanding Detection and Controlled Islanding in Emerging Power Systems Key Issues and Challenges

... active technique was used by adding the disturbance current through the voltage-source control (VSC) to detect the islanding condition ...normal technique if the suitable accelerating factor is selected, ...

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Higher Data Transmission by Using Barcode Modulation by Dpsk-Ofdm

Higher Data Transmission by Using Barcode Modulation by Dpsk-Ofdm

... A huge part of the attempts in cross section scanner tag progression have been dedicated to standardized distinguishing pieces of proof appeared on a bit of paper as that is the way they are commonly used. With the ...

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