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Trellis-Coded Multiple-Pulse-Position Modulation for Wireless Infrared Communications
2004
IEEE Transactions on Communications
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We present new trellis codes based on multiple-pulse-position modulation (MPPM) for wireless infrared communication. ...
Index Terms-Maximum-likelihood sequence detector (MLSD), minimum distance, symmetry, trellis-coded multiple-pulse-position modulation (TC-MPPM). ...
Multiple-pulse-position modulation (MPPM) is a variation of pulse-position modulation (PPM) offering improved bandwidth efficiency and improved power efficiency [3] . ...
doi:10.1109/tcomm.2004.826382
fatcat:jvhfxzy7tvb3zm5rfoa3dqqdim
Trellis-coded multiple-pulse position modulation for wireless infrared communications
IEEE GLOBECOM 1998 (Cat. NO. 98CH36250)
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We present new trellis codes based on multiple-pulse-position modulation (MPPM) for wireless infrared communication. ...
Index Terms-Maximum-likelihood sequence detector (MLSD), minimum distance, symmetry, trellis-coded multiple-pulse-position modulation (TC-MPPM). ...
Multiple-pulse-position modulation (MPPM) is a variation of pulse-position modulation (PPM) offering improved bandwidth efficiency and improved power efficiency [3] . ...
doi:10.1109/glocom.1998.775728
fatcat:esl7mel2y5gk5ljy3rfqlqa7mu
Partial-response precoding scheme for multiple pulse-position modulation
2003
IEE Proceedings - Optoelectronics
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The authors propose a partial-response precoding scheme for combating intersymbol interference that is compatible with trellis codes based on multiple pulse-position modulation. ...
These constraints favour low-duty cycle modulation schemes such as multiple pulse-position modulation (MPPM). ...
The channel model for diffuse infrared communications has unique properties affecting the choice of a modulation scheme. ...
doi:10.1049/ip-opt:20030209
fatcat:72tfvm42mvcdrhcogwyjfhoruy
A Review of Indoor Optical Wireless Systems
2002
IETE Technical Review
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Optical wireless communications offer a viable alternative to radio frequency (RF) communication for indoor use and other applications where high performance links are needed. ...
Several possible configurations for indoor optical wireless systems, modulation, and multi-access techniques are presented as well as their advantages and limitations discussed. ...
Examples of such modulation schemes are: 1) Pulse-position modulation (PPM), 2) Differential pulse-position modulation (DPPM), and 3) Digital pulse interval modulation (DPIM). 1) Pulse-position modulation ...
doi:10.1080/02564602.2002.11417006
fatcat:cfdrrulb5bgftgy5ak7d5wesfm
Recent developments in indoor optical wireless systems
2008
IET Communications
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Adding trellis coding to PPM further increases its advantage for the price of a more complex receiver. ...
The code input is the bit stream to be transmitted, and the outputs specify the positions where the pulses should start. ...
doi:10.1049/iet-com:20060475
fatcat:hxwekcduwjb6pcwwzwazfatrmm
Modulation and coding tradeoffs for non-line-of-sight ultraviolet communications
2009
Free-Space Laser Communications IX
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Our study includes OOK, PPM, MPPM, repetition coding and trellis coding. ...
In this paper, we incorporate an experimentally validated NLOS channel path loss model and quantitatively predict the performance of a combination of modulation and coding techniques. ...
In addition, position modulation enhanced by bandwidth efficient trellis coding is adopted for analysis. ...
doi:10.1117/12.826301
fatcat:vx3na2yz4fdkjatsqivkcozlta
Error rate performance of pulse position modulation schemes for indoor wireless optical communication
2009
Photonics North 2009
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Error rate performance of pulse position modulation (PPM) schemes for indoor wireless optical communication (WOC) applications is investigated. ...
These schemes include traditional PPM and multiple PPM (MPPM). ...
Multiple pulse position modulation (MPPM)
Multiple pulse position modulation with low optical pulses (w=2) In this section we are going to discuss symbol error performance of MPPM. ...
doi:10.1117/12.837546
fatcat:l6lj4sagljazdjumtdelhtb5w4
Optical wireless communication systems
2017
Optik (Stuttgart)
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The emerging field of optical wireless communication (OWC) systems is seen as potential complementary technology to the radio frequency wireless communications in certain applications. ...
More research and developments in OWC is still needed in order for it to be adopted in current and future communication systems. ...
The dimming control is addressed by changing the code weights while keeping the code lengths of overlapping pulse position modulation symbols in an indoor environment. ...
doi:10.1016/j.ijleo.2017.11.052
fatcat:3en73pedrvg75frtgvekeagezy
Advanced modulation coding schemes for an optical transceiver systems–based OWC communication channel model
2021
Bulletin of Electrical Engineering and Informatics
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This paper examines advanced modulation coding schemes for an optical transceiver systems–based optical wireless communication (OWC) channel model. ...
Q factor and min. bit error rate (BER) are estimated and clarified for each modulation code scheme by using an optisystem simulation model. ...
Indoor wireless communication used two major transmission technologies, they are RF and Optical Wireless Communication (OWC) systems. ...
doi:10.11591/eei.v10i2.2433
fatcat:vx5cnva2m5dspk5pviwlmvlwuu
Digital pulse interval modulation for IR communication systems?a review
2000
International Journal of Communication Systems
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This paper presents a brief review of infrared communications systems, modulation techniques and in particular, a digital pulse modulation scheme known as digital pulse interval modulation (DPIM) for infrared ...
keying (OOK) and pulse position modulation (PPM). For comparison, relevant expressions for both OOK and PPM are also presented. ...
I Comparison between radio and intensity modulated/direct detection infrared for indoor wireless communications. Property
Radio
Infrared
Implication for infrared
Bandwidth regulated? ...
doi:10.1002/1099-1131(200011/12)13:7/8<519::aid-dac454>3.0.co;2-5
fatcat:tcnneuitbbgglft56lrdj7y2ya
Wireless infrared communications
1997
Proceedings of the IEEE
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The use of infrared radiation as a medium for high-speed, short-range wireless digital communication is discussed. Currently available infrared links and local-area networks are described. ...
Several modulation formats are discussed in detail, including on-off keying (OOK), pulse-position modulation (PPM), and subcarrier modulation. ...
(a) 4-PPM, and (b) 4-differential pulse-position modulation (4-DPPM). ...
doi:10.1109/5.554222
fatcat:j6xyokpjdnaqzku4atoignxhkm
Differential pulse-position modulation for power-efficient optical communication
1999
IEEE Transactions on Communications
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In this paper, we examine the use of differential pulse-position modulation (DPPM) for optical communication systems using intensity modulation with direct detection in the presence of additive white Gaussian ...
We show that for a given bandwidth, DPPM requires significantly less average power than pulse-position modulation (PPM). ...
Williams of Hewlett-Packard Laboratories for helpful discussions. ...
doi:10.1109/26.780456
fatcat:d6f4io2y7becnbvxrbqsiujxuq
Wireless Access to the Internet
[chapter]
2002
IFIP Advances in Information and Communication Technology
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The methods of wireless internet access have been presented. The digital cellular systems, wireless LANs and other solutions have been shortly described. ...
The configurations of wireless internet access networks have been presented. ...
Data rate Modulation
Coding
11 Mb/s
BPSK
No coding
22Mb/s
QPSK
No coding
33 Mb/s
16-QAM
8-state Trellis Code -TCM
44Mb/s
32-QAM
8-state Trellis Code -TCM
55 Mb/s
64-QAM
8-state Trellis ...
doi:10.1007/978-0-387-35616-7_17
fatcat:lquwn5v4jnehvdozoupqbhtasy
Indoor optical wireless communication systems and networks
2005
International Journal of Communication Systems
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Pulse Position Modulation (PPM) OOK keying is unable to provide the power efficiency required by many optical wireless applications. ...
Properties of Indoor Optical Wireless Links For low-cost optical wireless communication systems, intensity modulation with direct detection (IM/DD) is the only feasible method of communication [10] . ...
doi:10.1002/dac.698
fatcat:6hz2pgp7xfa2jnozgon7w7nmhq
High-speed power-efficient indoor wireless infrared communication using code combining .II
2002
IEEE Transactions on Communications
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Index Terms-Adaptive rate, code combining, rate-compatible punctured convolutional (RCPC) codes, wireless infrared. ...
Rate-compatible punctured convolutional codes are used to encode intensity-modulated on-off keying (OOK) optical power, to create an adaptive environment for efficient utilization of channel spectral bandwidth ...
COMMUNICATIONS SYSTEMS DESIGN Wireless infrared systems are essentially considered power-limited systems. ...
doi:10.1109/tcomm.2002.802565
fatcat:b3vghlz4ejhi5fpnqgrgvpv2ym
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