on-off keying (OOK)
CODED ON OFF KEYING SYSTEM FOR FREE SPACE OPTICAL LINK OVER STRONG TURBULENCE AND MISALIGNMENT FADING CHANNELS
... partners are of practical interest. Moreover, all links can be used in both military and civilian contexts. FSO is the next frontier for net-centric connectivity, as bandwidth, spectrum and security issues favour its ...
6
Design of Visible Light Communication Receiver for On Off Keying Modulation by Adaptive Minimum Voltage Cancelation
... on-off keying (OOK) modulation scheme specified in this standard is simple to implement [5], however it often suffers from the interference caused by ambient ...
6
Performance Enhancement of Data Communication through Visible Light Communication Using On Off Keying
... Amplitude-shift keying (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier ...On Off Keying (OOK) ...
5
Quenching Oscillator Modeling for OOK Super-Regenerative Transmitter
... many applications of short-range, low-power wireless systems due to its simple implementation and improved performance for a given power budget. This paper presents the modeling of a quenching oscillator used for data ...
6
Polymer colour converter with very high modulation bandwidth for visible light communications
... In order to test the communication capability of the BBEHBO–PPV, a free space link of 15 cm was created and the polymer excited by an intensity modulated, blue laser diode. As with measuring the case of the frequency ...
5
Improvement in Performance of Free Space Optical Communication
... The modulation and the demodulation both are done in the electrical domain as the commonly used modulation technique in this system is Pulse Position Modulation (PPM) and On-Off Keying (OOK) [3]. Apart from ...
5
Comparative Study of Digital Modulation Techniques Using MATLAB
... A comparative study have been done of digital modulation techniques used in wireless communication system. The simulation model and the output waveform of the different digital modulation techniques have been discussed ...
7
Polymer colour converter with very high modulation bandwidth for visible light communications
... In order to test the communication capability of the BBEHBO–PPV, a free space link of 15 cm was created and the polymer excited by an intensity modulated, blue laser diode. As with measuring the case of the frequency ...
5
An integrated nonlinear optical loop mirror in silicon photonics for all-optical signal processing
... The nonlinear optical loop mirror (NOLM) has been studied for several decades and has attracted considerable attention for applications in high data rate optical com- munications and all-optical signal processing. The ...
8
Comparative Analysis of OOK, BPSK, DPSK and PPM Modulation Techniques for Intersatellite Free Space Optical Communication
... On-Off Keying (OOK), Binary Phase-Shift Keying (BPSK), Differential Phase-Shift Keying (DPSK) and Pulse Position Modulation (PPM) which compares their characteristics Bit Error Rate(BER), ...
5
Performance Comparison of Digital Modulation Techniques used in Wireless Communication System
... shift keying (ASK), quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), frequency shift Keying (FSK) ,On-off keying (OOK), DPSK & ...
7
Comparison the Performance of Free-Space Optical Communication with OOK and BPSK Modulation under Atmospheric Turbulence
... on-off keying (OOK) or subcarrier binary phase- shift keying (BPSK) modulation are ...on-off keying (OOK), binary phase-shift keying ...
9
Real-Time Text Transmission Implemented For Underwater Wireless Communication Using a LED Array
... The designed system is partitioned into two independent units – a transmitter module and a receiver module. Inside the transmitting unit, the data is first converted to binary form using an ADC and then further fed into ...
6
Smart Hospital-Room and Modern Photonics Emerging Clinical Reality Based on Optical Systems
... 26 Basile Spyropoulos: Smart Hospital-Room and Modern Photonics Emerging Clinical Reality Based on Optical Systems.. On-off keying has been the commonly used modulation format [r] ...
14
Implementation of Shortened Pulse Position Modulation for Optical Communication Systems
... On-Off Keying (VOOK), Pulse Dual Slope Modulation (PDSM) have been recently proposed for optical communication systems, specifically for Visible Light Communication (VLC) ...
5
A comprehensive survey of recent advancements in molecular communication
... The early works on coding schemes for MC considered applying the previously devised coding schemes for radio communications. One of the early works that considered channel codes for MC systems was [209], where Hamming ...
34
Adaptive generalized space shift keying
... 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 ...
15
Performance Evaluation of ½ Rate Convolution Coding with Different Modulation Techniques for DS CDMA System over Rician Channel
... 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 ratio combining (MRC) ...
5
Performance Enhancement of DS-CDMA System using Extended BPSK Modulation Scheme
... shift keying method and compares its performance in terms of BER with a special Extended Binary Phase Shift Keying (EBPSK) modulation format for a DS- CDMA ...
9
Speech versus keying in command and control: effect of concurrent tasking
... full keying while remaining effectively constant for abbreviated ...abbreviated keying were constant across ...full keying. The same effect is not seen with abbreviated keying (either here or ...
28