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035 _a(RuTPU)RU\TPU\network\36359
035 _aRU\TPU\network\35466
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100 _a20210826a2020 k y0engy50 ba
101 0 _aeng
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aVisible Light Communication System Employing Space Time Coded Relay Nodes and Imaging Receivers
_fSh.-N. Mulundumina, Sh. Achari, D. N. K. Dzhayakodi (Jayakody) Arachshiladzh, Ling Cheng
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 35 tit.]
330 _aIn this paper, authors propose a VLC system, whose source of information is assumed to be a power line, and employs a combination of relaying and multiple-input multiple-output (MIMO) techniques. Precisely, the performance of a VLC system, with relay nodes equipped with a MIMO technique called space time block coding (STBC), is investigated. The bit error rate (BER) performance of the Alamouti coding (AC) scheme, which is a type of STBC, is specifically considered. In order to enhance the overall system reliability, we propose to use an imaging receiver (ImR), in conjunction with the relay-MIMO setup. In comparison to when a nonimaging receiver (NImR) is employed, an improved signal-to-noise ratio (SNR) of 7 dB is observed when an ImR with a specific number of pixels, is used, hence, improving the BER. We also investigate and show that the selected number of pixels and receiver location have an effect on the system BER. SNR values of 9 dB, 11 dB and 15 dB were required to maintain a BER of 10 −4 for imaging receivers with 70, 50 and 20 pixels, respectively.
461 _tSAIEE Africa Research Journal Soft Computing
463 _tVol. 111, iss. 2
_v[P. 56-64]
_d2020
610 1 _aтруды учёных ТПУ
610 1 _aэлектронный ресурс
610 1 _aMIMO communication
610 1 _aoptical transmitters
610 1 _arelays
610 1 _aimaging
610 1 _abit error rate
610 1 _aoptical receivers
610 1 _aоптические переменные
610 1 _aреле
610 1 _aвизуализация
610 1 _aчастота
610 1 _aошибки
610 1 _aбиты
610 1 _aоптические приемники
610 1 _aMIMO
701 1 _aMulundumina
_bSh.-N.
_gShimaponda-Nava
701 1 _aAchari
_bSh.
_gShamin
701 1 _aDzhayakodi (Jayakody) Arachshiladzh
_bD. N. K.
_cspecialist in the field of electronics
_cProfessor of Tomsk Polytechnic University
_f1983-
_gDushanta Nalin Kumara
_2stltpush
_3(RuTPU)RU\TPU\pers\37962
701 0 _aLing Cheng
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа информационных технологий и робототехники
_bНаучно-образовательный центр "Автоматизация и информационные технологии"
_h8422
_2stltpush
_3(RuTPU)RU\TPU\col\27515
801 2 _aRU
_b63413507
_c20210826
_gRCR
856 4 0 _uhttps://doi.org/10.23919/SAIEE.2020.9099493
942 _cCF