Spectrally and power efficient non-DC MIMO super-Nyquist m-CAP with linear pre- and DFE post-equalizer

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F22%3A00359965" target="_blank" >RIV/68407700:21230/22:00359965 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.dsp.2022.103744" target="_blank" >https://doi.org/10.1016/j.dsp.2022.103744</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.dsp.2022.103744" target="_blank" >10.1016/j.dsp.2022.103744</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Spectrally and power efficient non-DC MIMO super-Nyquist m-CAP with linear pre- and DFE post-equalizer

Popis výsledku v původním jazyce

This paper investigates a multiple-input multiple-output (MIMO) super-Nyquist multi-band carrier-less amplitude and phase (Sm-CAP) visible light communication system to improve spectral efficiency (SE). In Sm-CAP, SE is improved by violating the frequency-domain orthogonality between sub-bands (SBs) at the cost of introducing a pre-determined inter-band interference. Pre- and post-equalizers are also utilized to ameliorate the inter-symbol, inter-band, and inter-channel interference exhibited by the limited modulation bandwidth of light emitting diodes (LEDs), overlapping SBs, and MIMO channel, respectively. Here, we transmit positive and absolute values of negative data over independent LEDs with no DC-biasing to improve the power efficiency. Results show that, by adopting bit-loading in conjunction with the pre- and post-equalizers, a maximum SE of 10.1 b/s/Hz (or equivalently, a bit rate of ~151 Mb/s) can be achieved for a bandwidth compression level and a roll-off factor of 10% and 0.1, respectively, at the target forward error correction bit error rate limit of 7%.

Název v anglickém jazyce

Spectrally and power efficient non-DC MIMO super-Nyquist m-CAP with linear pre- and DFE post-equalizer

Popis výsledku anglicky

This paper investigates a multiple-input multiple-output (MIMO) super-Nyquist multi-band carrier-less amplitude and phase (Sm-CAP) visible light communication system to improve spectral efficiency (SE). In Sm-CAP, SE is improved by violating the frequency-domain orthogonality between sub-bands (SBs) at the cost of introducing a pre-determined inter-band interference. Pre- and post-equalizers are also utilized to ameliorate the inter-symbol, inter-band, and inter-channel interference exhibited by the limited modulation bandwidth of light emitting diodes (LEDs), overlapping SBs, and MIMO channel, respectively. Here, we transmit positive and absolute values of negative data over independent LEDs with no DC-biasing to improve the power efficiency. Results show that, by adopting bit-loading in conjunction with the pre- and post-equalizers, a maximum SE of 10.1 b/s/Hz (or equivalently, a bit rate of ~151 Mb/s) can be achieved for a bandwidth compression level and a roll-off factor of 10% and 0.1, respectively, at the target forward error correction bit error rate limit of 7%.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Digital Signal Processing

ISSN

1051-2004

e-ISSN

1095-4333

Svazek periodika

131

Číslo periodika v rámci svazku

Sep

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

—

Kód UT WoS článku

000864733100001

EID výsledku v databázi Scopus

2-s2.0-85138451168