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amplitude/phase shift keying

SECURITY IN COGNITIVE RADIO NETWORK

SECURITY IN COGNITIVE RADIO NETWORK

... (Quadrature Phase Shift Keying is a DSBCS modulation scheme with digital information for the ...quadriphase Phase Shift Keying, 4-Phase Shift Keying or ...

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Binary phase shift keying (BPSK) 
		simulation using Matlab

Binary phase shift keying (BPSK) simulation using Matlab

... are Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK) and Phase Shift Keying PSK) digital modulation formats, each of which is characterized by its ...

5

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 ...

8

Design of an ASK modulation digital signal 
		conversion system

Design of an ASK modulation digital signal conversion system

... (Amplitude Shift Keying), FSK (Frequency Shift Keying), and PSK (Phase Shift ...(Amplitude Shift Keying) is a modulation method to compress bits into ...

7

OFDM in Free Space Optical Communication System

OFDM in Free Space Optical Communication System

... OFDM is a kind of multicarrier transmission in which high data rate streams are split into lower rate streams and then transmitted simultaneously over several narrow-band subcarriers. The subcarriers are themselves ...

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Comparison of Polarization Shift Keying and Amplitude Shift Keying Modulation Techniques in FSO

Comparison of Polarization Shift Keying and Amplitude Shift Keying Modulation Techniques in FSO

... are Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK) and Differential Phase Shift Keying ...Polarization ...

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DC -16-17,18-19.pptx

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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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

... 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 ...

7

Performance Comparison of Digital Modulation Techniques used in Wireless Communication System

Performance Comparison of Digital Modulation Techniques used in Wireless Communication System

... are amplitude shift keying (ASK), quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), frequency shift Keying (FSK) ,On-off ...

7

A Study on FPGA Based Digital Modulators

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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Performance Evaluation of ½ Rate Convolution Coding with Different Modulation Techniques for DS CDMA System over Rician Channel

Performance Evaluation of ½ Rate Convolution Coding with Different Modulation Techniques for DS CDMA System over Rician Channel

... Binary phase shift keying (BPSK), Quadrature phase shift keying (QPSK) and Quadrature amplitude modulation (QAM- 16) for direct sequence code division multiple access(DS- ...

5

A Review of Digital Modulation formats and OF...

A Review of Digital Modulation formats and OF...

... as amplitude shift keying (ASK), Quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), frequency shift Keying (FSK) ...

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Comparative Study of Digital Modulation Techniques Using MATLAB

Comparative Study of Digital Modulation Techniques Using MATLAB

... i.e. Amplitude shift keying(ASK),quadrature phase shift keying(QPSK),binary phase shift keying(BPSK),frequency shift keying(FSK),on- off ...

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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

... 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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Simulation of Digital Modulation Techniques Using MATLAB

Simulation of Digital Modulation Techniques Using MATLAB

... rapid amplitude change between symbols due to phase discontinuity, which requires infinite ...Binary Phase Shift Keying (BPSK) demonstrates better performance than ASK and ...

5

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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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

... as Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK), Differential Phase shift Keying (DPSK) and Quadrature ...

6

M ARY PSK Scheme in Cellular Environment

M ARY PSK Scheme in Cellular Environment

... The results of BER performance of M-ary PSK for M=2,4,8,16 and 32 using phase-offsets at pi/2, pi/4, pi/8, pi/16 and pi/32 respectively are shown in Figure 2, Figure 3, Figure 4, Figure 5 and Figure 6. Similarly ...

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Direct antenna modulation for high-order phase shift keying

Direct antenna modulation for high-order phase shift keying

... The antenna also requires a biasing network to ensure all diodes are biased at the same time by the same voltage. However, this network should be designed to minimise the impact on the transmitted wave. As such, the ...

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Design of Digital Baseband Subsystem for S-Band Transponder

Design of Digital Baseband Subsystem for S-Band Transponder

... the phase of the carrier signal is varied according to the modulating ...is phase shifted at lower level and logic 1 is phase shifted at upper level ...in phase or at 180° out of phase, ...

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