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Trellis-Coded Multiple-Pulse-Position Modulation for Wireless Infrared Communications

H. Park, J.R. Barry
2004 IEEE Transactions on Communications  
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

Hyuncheol Park, J.R. Barry
IEEE GLOBECOM 1998 (Cat. NO. 98CH36250)  
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

H. Park, J.R. Barry
2003 IEE Proceedings - Optoelectronics  
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

Chaturi Singh, Joseph John, Y N Singh, K K Tripathi
2002 IETE Technical Review  
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

R.J. Green, H. Joshi, M.D. Higgins, M.S. Leeson
2008 IET Communications  
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

Qunfeng He, Brian M. Sadler, Zhengyuan Xu, Arun K. Majumdar, Christopher C. Davis
2009 Free-Space Laser Communications IX  
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

Nazmy Azzam, Moustafa H. Aly, A. K. AboulSeoud, Réal Vallée
2009 Photonics North 2009  
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

Zabih Ghassemlooy, Stanislav Zvanovec, Mohammad-Ali Khalighi, Wasiu O. Popoola, Joaquin Perez
2017 Optik (Stuttgart)  
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

Hazem M. El-Hageen, Aadel M. Alatwi, Ahmed Nabih Zaki Rashed
2021 Bulletin of Electrical Engineering and Informatics  
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

Z. Ghassemlooy, A. R. Hayes
2000 International Journal of Communication Systems  
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

J.M. Kahn, J.R. Barry
1997 Proceedings of the IEEE  
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

Da-Shan Shiu, J.M. Kahn
1999 IEEE Transactions on Communications  
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]

Bartłomiej Zieliński, Krzysztof Tokarz
2002 IFIP Advances in Information and Communication Technology  
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

Z. Ghassemlooy, A. C. Boucouvalas
2005 International Journal of Communication Systems  
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

K. Akhavan, M. Kavehrad, S. Jivkova
2002 IEEE Transactions on Communications  
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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