differential frequency shift keying
A Multiple Access Technique for Differential Noise Shift Keying: A Review of Relevant Studies
... showed that the proposed scheme significantly outperformed existing studies in terms of both SI detection and BER for SLM based SC_FDMA systems, while with the far lower complexity. Besides PAPR reduction, this scheme ...
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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 Position ...
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PERFORMANCE COMPARISON OF DD-DPSK-OFDM AND CO-DPSK-OFDM IN ISOWC SYSTEMS
... optical differential phase shift keying based orthogonal frequency division multiplexing is investigated in this work at different distances, pointing errors in terms of signal to noise ratio, ...
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Design and analysis of different types of PSK modems on FPGA for SDR
... reversal keying is the simplest form of phase shift keying ...phase-shift keying (π/2- BPSK) is a modulation technique which encodes the binary information in relative phase shifts of ...
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MULTI-CARRIER DIFFERENTIAL CHAOS SHIFT KEYING: A ROBUST MODULATION SCHEME FOR SECURE POWER-LINE COMMUNICATIONS
... orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA) have gained prominence and been considered for possible adoption into futuristic PLC ...
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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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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 shift ...
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Interactive Kalman Filtering for Differential and Gaussian Frequency Shift Keying Modulation with Application in Bluetooth
... Phase Frequency Shift Keying (CPFSK), and hence CPM ...the Differential Phase Shift Keying (DPSK), which is used in the Enhanced Data Rate (EDR) with two variants, π/4-DQPSK and ...
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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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Differential Space Time Shift Keying for Dispersive Multi user Scenarios using OFDM
... Orthogonal Frequency Division Multiplexing (OFDM) High data rate and high spectral efficiency are the key elements in future wireless communication ...orthogonal frequency division ...
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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 Keying ...
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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 Amplitude ...
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Slow wireless communication testbed based on software defined radio
... The symbols output by the repeater at the transmitter have multiple samples per symbol. Here, we assume that there are N samples per symbol. After the repetition, each symbol has a rectangular pulse shape. In order to ...
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Adaptive generalized space shift keying
... Space Shift Keying (SSK) is a sim- pler implementation of SM in which only the antenna indices are used as a mean to convey information, thus avoiding the use of signal constellation diagrams ...
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Performance Analysis Of Multiplexing Techniques To Improve Ocdma
... using differential phase shift keying (DPSK) has been compared with OCDMA using differential quadrature phase shift keying(DQPSK) This comparison took place in terms of bit error ...
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Implementation Of Mu Mimo Ofdm With Dcsk Modulation
... chaos shift keying (CS-QCSK) and modified auspicious codes with low complicated ...Chaos shift Keying (CS- QCSK) pitch technique with its code domawithin technique has verified to be the ...
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Comparison of bit error rates for binary and differential phase shift keying in a power line communication environment
... This paper emphasizes the derivation of expressions for the bit error rate (BER) when (binary) phase shift keying (PSK) or differen- tial phase shift keying (DPSK) modulation techniques [r] ...
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Performance Evaluation of ½ Rate Convolution Coding with Different Modulation Techniques for DS CDMA System over Rician Channel
... phase shift keying (BPSK), Quadrature phase shift keying (QPSK) and Quadrature amplitude modulation (QAM- 16) for direct sequence code division multiple access(DS- CDMA) system using maximal ...
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Diversity Combining for Fast Frequency Hopping Multiple Access Systems Subjected to Nakagami m Fading
... Abstract- The achievable performance of various diversity combining schemes used in fast frequency hopping FFH aided M-ary frequency shift keying MFSK systems operating in a multiple acc[r] ...
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Performance Enhancement of DS-CDMA System using Extended BPSK Modulation Scheme
... There exists a very small difference in the bit “0” & “1” waveforms [11] which makes its detection difficult. An AWGN environment is assumed so as to use a simple amplitude detector for separation of the symbols “0” ...
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