frequency and phase shift keying
PERFORMANCE COMPARISON OF DD-DPSK-OFDM AND CO-DPSK-OFDM IN ISOWC SYSTEMS
... This research work is focused on the 10 Gbps coherent detection differential phase shift keying orthogonal frequency division multiplexed (CO-DPSK-OFDM) intersatellite optical wireless system. ...
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Comparative Study of Digital Modulation Techniques Using MATLAB
... amplitude shift keying (ASK), quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), frequency shift Keying (FSK) &On- off ...
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DPSK OFDM System for Reliable Data Transmission using QRcode System in Mobile Devices
... orthogonal frequency-division multiplexing (OFDM) modulation is used together by all of differential phase shift keying (DPSK) over adjacent frequency domain ...
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Performance Comparison of Digital Modulation Techniques used in Wireless Communication System
... amplitude shift keying (ASK), quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), frequency shift Keying (FSK) ,On-off ...
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Comparative Analysis of OOK, BPSK, DPSK and PPM Modulation Techniques for Intersatellite Free Space Optical Communication
... radio frequency (RF) communication over the last two ...On-Off Keying (OOK), Binary Phase-Shift Keying (BPSK), Differential Phase-Shift Keying (DPSK) and Pulse ...
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Direct antenna modulation for high-order phase shift keying
... To achieve the arbitrary phase change required for PSK modulation, the devices reconfiguring the FSS should allow fine control of the resonant frequency. They should also have minimal loss, acceptable ...
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A Study on FPGA Based Digital Modulators
... on Phase modulated. Namely, for each symbol, different phase data is sent to ...(Binary Phase Shift Keying), BFSK (Binary Frequency Shift Keying), BASK (Binary ...
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DESIGN OF A VERIFICATION TECHNIQUE FOR QUADRATURE PHASE SHIFT KEYING USING MODEL SIM SIMULATOR FOR BROADCAST COMMUNICATION RELEVANCE’S
... Digital techniques have replaced analog techniques in present growing world. Modulation is the process of changing the carrier signal. Digital modulation is defined as the processing of digital data transmission from ...
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Binary phase shift keying (BPSK) simulation using Matlab
... Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK) and Phase Shift Keying PSK) digital modulation formats, each of which is characterized by its ...
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Design and analysis of different types of PSK modems on FPGA for SDR
... Binary Phase reversal keying is the simplest form of phase shift keying ...π/2, phase-shift keying (π/2- BPSK) is a modulation technique which encodes the binary ...
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DC -16-17,18-19.pptx
... Overview of Lecture 17 Digital-to Analog Conversion Bit Rate and Baud Rate Carrier Signals Amplitude Shift Keying ASK Frequency Shift Keying FSK Phase Shift Keying PSK Quadra[r] ...
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High dimensionality carrierless amplitude phase modulation technique for radio over fiber system
... quadrature phase shift keying (QPSK), quadrature amplitude modulation (QAM), and orthogonal frequency division multiplexing (OFDM) with coherent detection and digital signaling processing ...
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Comparison of Polarization Shift Keying and Amplitude Shift Keying Modulation Techniques in FSO
... Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK) and Differential Phase Shift Keying ...Polarization ...
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Evaluation of SNR for AWGN, Rayleigh and Rician Fading Channels Under DPSK Modulation Scheme with Constant BER
... Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK), Differential Phase shift Keying (DPSK) and Quadrature ...
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Higher Data Transmission by Using Barcode Modulation by Dpsk-Ofdm
... orthogonal frequency- division multiplexing (OFDM) modulation is used together with differential phase shift keying (DPSK) over adjacent frequency domain ...
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Simulation of Digital Modulation Techniques Using MATLAB
... Amplitude, Frequency or Phase of carrier varies according to message (Baseband) ...Amplitude Shift Keying (ASK), Phase Shift Keying (PSK), Frequency Shift ...
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OFDM in Free Space Optical Communication System
... using phase shift keying (PSK) or quadrature amplitude modulation (QAM) and are then carried on a high frequency ...the frequency selectivity of microwave filters and the ...
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SECURITY IN COGNITIVE RADIO NETWORK
... (Quadrature Phase Shift Keying is a DSBCS modulation scheme with digital information for the ...carrier frequency).The quantity of radio frequency spectrum required to transmit QPSK ...
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Detection, Receivers, and Performance of CPFSK and CPCK
... as phase shift keying and frequency shift ...as phase distortion and amplifiers nonlinearity) and the RF channel (such as additive noise, multipath fading and ...
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On Off Frequency Shift Keying for Wideband Fading Channels
... on-off frequency-shift keying (OOFSK) is a digital modulation format in which M-ary FSK signaling is overlaid on on/off ...track phase shifts in the channel or if the received signal has a ...
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