PULSE-POSITION MODULATION
Pulse position modulation coding schemes for optical intersatellite links
... digital pulse position modulation (DPPM); multiple pulse position modulation (MPPM); Dicode pulse position modulation (Dicode ...
13
Spectral characterisation of nk pulse position modulation format
... n pulse position modulation (PPM) is a new modulation format that has recently been proposed for the optical wireless channel. This Letter considers, for the first time, a full spectral ...
11
Implementation of Shortened Pulse Position Modulation for Optical Communication Systems
... In this paper, we describe a transmitter scheme which uses Shortened Pulse Position Modulation (SPPM). A modulator based-on hardware is proposed for SPPM technique. The transmitter scheme is designed ...
5
Performance evaluation of digital pulse position modulation for wavelength division multiplexing FSO systems impaired by interchannel crosstalk
... Digital pulse position modulation (DPPM) is well known to be an attractive modulation format in free space optical communications (whether intersatellite, atmospheric or indoor wireless) ...
34
Adaptive differential amplitude pulse position modulation technique for optical wireless communication channels based on fuzzy logic
... hybrid modulation technique named adaptive differential amplitude pulse-position modulation (DAPPM) is proposed to improve channel immunity by utilising optimised modulation to ...other ...
6
Optical fibre digital pulse position modulation assuming a Gaussian received pulse shape
... Optical fibre digital pulse position modulation assuming a Gaussian received pulse shape Optoelectronics [see also IEE Proceedings Optoelectronics], IEE Proceedings J Optical fibre digital pulse posit[.] ...
8
Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications
... hybrid modulation technique called di ff erential amplitude pulse-position modulation (DAPPM) is ...of pulse-amplitude modulation (PAM) and ...
9
Adaptive differential amplitude pulse position modulation technique (DAPPM) using fuzzy logic for optical wireless communication channels
... non-stationary. Pulse position modulation (PPM) requires the least average optical power compared to other modulation schemes in line-of-sight links but suffer severely in diffused ...
44
Ghosts in the data: false detections in VEMCO pulse position modulation acoustic telemetry monitoring equipment
... Acoustic monitoring has become a popular tool in the study of aquatic animals as it enables a large number of subjects to be tracked simultaneously [5–7]. While there are several equipment manufacturers or stand- ards, ...
10
Power Spectral Density of Dicode Pulse Position Modulation
... (dicode pulse-position modulation) is a novel coding scheme for optical-fibre ...Previous pulse position modulation schemes have been proposed such digital ...
6
An Investigation of an Optical Multiple Pulse Position Modulation Link over a Dispersive Optical Channel
... digital pulse position modulation using multiple pulses (figure ...a pulse-interval modulation (PIM) system that represented a discrete PPM ...This modulation format was then ...
483
Bipolar chaotic pulse position modulation communication system based on cyclic LDPC
... chaotic pulse position modulation (CPPM) system, the bipolar chaotic pulse position modulation (BCPPM) communication system is proposed ...the position of sent ...
9
Experimental coder/decoder of dicode pulse position modulation
... Many Pulse Position Modulation (PPM) formats have been investigated in the past such as Multiple Pulse Position Modulation (MPPM) [1-2], Differential Pulse Position ...
7
Enhancing the bit error rate performance of ultra wideband systems using time hopping pulse position modulation in multiple access environments
... employed modulation scheme. Several classical modulation schemes can be used to create UWB signals, some are more efficient than ...namely, Pulse Position Modulation (PPM), Pulse ...
169
Analysis of Offset Pulse Position Modulation
... data pulse stream, independent identically dis- tributed binary antipodal data pulse stream, zero-mean Markov source data stream and interleaving independent first-order Markov ...return-to-zero ...
188
Digital anisochronous pulse time modulation techniques
... digital pulse position modulation (DPPM) has been suggested for long-haul point-to-point links over single-mode fiber ...binary pulse code modulation (PCM) system when the fiber ...
194
Digital pulse interval modulation for optical communication systems
... digital pulse position modulation (DPPM) has been studied by many researchers over the past decade and it has been shown to outperform PCM on similar ...of pulse interval modulation ...
259
Title: A Hybrid Communication System Using Pulse Position and Width Modulation
... digital, pulse code modulation is employed to establish communications without the need for analogue ...the pulse, such as its width, position or amplitude, is adjusted based on the input ...
13
Pulse time modulation for subcarrier multiplexed systems
... Pulse position modulation (PPM) is an isochronous PTM technique, which carries information by virtue of a continuously variable position of a narrow pulse within a fixed time ...This ...
242
Position Control of a Pulse Width Modulated Pneumatic Systems: an Experimental Comparison
... and fine motion control is difficult to be achieved. Pulse Width Modulation (PWM) can effectively approximate the flow properties of a servo-valve with on/off solenoid valves. The first attempt which aimed ...
10