Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels
A multilayer modulation for peak-limited broadcast Poisson channel is designed and consists of three key elements: the transmitted symbol set, the users’ data space, and the data-to-symbol mapping. For energy-efficiency, the transmitted symbols are modulated by the square pulse amplitude...
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IEEE
2018-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/8386641/ |
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| author | Ling-Han Si-Ma Hong-Yi Yu Jian Zhang |
| author_facet | Ling-Han Si-Ma Hong-Yi Yu Jian Zhang |
| author_sort | Ling-Han Si-Ma |
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| description | A multilayer modulation for peak-limited broadcast Poisson channel is designed and consists of three key elements: the transmitted symbol set, the users’ data space, and the data-to-symbol mapping. For energy-efficiency, the transmitted symbols are modulated by the square pulse amplitude modulation. Meanwhile, a concept of uniquely decomposable constellation group is developed to resist the nonnegative multiuser interference in power domain. Combining this concept and the transmitted symbol structure, we design the users’ data space and the data-to-symbol mapping such that, for this mapping, the transmitted symbol can be uniquely decomposed as elements of users’ data space. The above described structure of the multilayer modulation enables not only efficient demodulation of the transmitted symbol from Poisson noisy received signal but also data decoding for each user from the estimation of the transmitted symbol. Extensive computer simulations indicate that the multilayer modulation not only has better overall error performance than the currently available time-sharing protocol, but also allows us to flexibly assign different priority. Additionally, a low-complexity receiver is established for the proposed multilayer modulation, whose error performance gradually approximates that of maximum likelihood receiver with the increment of optical power. |
| format | Article |
| id | doaj-art-ac4b2281a17346c19f2b015bf2d552c3 |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-ac4b2281a17346c19f2b015bf2d552c32025-08-20T03:32:46ZengIEEEIEEE Photonics Journal1943-06552018-01-011041910.1109/JPHOT.2018.28481108386641Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP ChannelsLing-Han Si-Ma0https://orcid.org/0000-0001-5495-2718Hong-Yi Yu1Jian Zhang2National Digital Switching System Engineering and Technological Research Center, Zhengzhou, ChinaNational Digital Switching System Engineering and Technological Research Center, Zhengzhou, ChinaNational Digital Switching System Engineering and Technological Research Center, Zhengzhou, ChinaA multilayer modulation for peak-limited broadcast Poisson channel is designed and consists of three key elements: the transmitted symbol set, the users’ data space, and the data-to-symbol mapping. For energy-efficiency, the transmitted symbols are modulated by the square pulse amplitude modulation. Meanwhile, a concept of uniquely decomposable constellation group is developed to resist the nonnegative multiuser interference in power domain. Combining this concept and the transmitted symbol structure, we design the users’ data space and the data-to-symbol mapping such that, for this mapping, the transmitted symbol can be uniquely decomposed as elements of users’ data space. The above described structure of the multilayer modulation enables not only efficient demodulation of the transmitted symbol from Poisson noisy received signal but also data decoding for each user from the estimation of the transmitted symbol. Extensive computer simulations indicate that the multilayer modulation not only has better overall error performance than the currently available time-sharing protocol, but also allows us to flexibly assign different priority. Additionally, a low-complexity receiver is established for the proposed multilayer modulation, whose error performance gradually approximates that of maximum likelihood receiver with the increment of optical power.https://ieeexplore.ieee.org/document/8386641/Optical wireless communicationsdiscrete-time Poisson channelsbroadcast channelsmulti-layer modulation and uniquely decomposable constellation group. |
| spellingShingle | Ling-Han Si-Ma Hong-Yi Yu Jian Zhang Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels IEEE Photonics Journal Optical wireless communications discrete-time Poisson channels broadcast channels multi-layer modulation and uniquely decomposable constellation group. |
| title | Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels |
| title_full | Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels |
| title_fullStr | Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels |
| title_full_unstemmed | Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels |
| title_short | Energy-Efficient Uniquely-Decomposable Multilayer Modulation for Peak-Limited Broadcast DTP Channels |
| title_sort | energy efficient uniquely decomposable multilayer modulation for peak limited broadcast dtp channels |
| topic | Optical wireless communications discrete-time Poisson channels broadcast channels multi-layer modulation and uniquely decomposable constellation group. |
| url | https://ieeexplore.ieee.org/document/8386641/ |
| work_keys_str_mv | AT linghansima energyefficientuniquelydecomposablemultilayermodulationforpeaklimitedbroadcastdtpchannels AT hongyiyu energyefficientuniquelydecomposablemultilayermodulationforpeaklimitedbroadcastdtpchannels AT jianzhang energyefficientuniquelydecomposablemultilayermodulationforpeaklimitedbroadcastdtpchannels |