2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC)最新文献

Experimental Comparison of ALOHA and CSMA/CA for Visible Light Communication IoT Networks ALOHA和CSMA/CA在可见光通信物联网网络中的实验比较

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798436

Armin Makvandi, Y. Kavian

引用次数: 2

MAX- MIN Power Control of Cell Free Massive MIMO System employing Deep Learning 基于深度学习的无单元大规模MIMO系统的最大-最小功率控制

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9797907

Akbar Mazhari Saray, A. Ebrahimi

{"title":"MAX- MIN Power Control of Cell Free Massive MIMO System employing Deep Learning","authors":"Akbar Mazhari Saray, A. Ebrahimi","doi":"10.1109/wasowc54657.2022.9797907","DOIUrl":"https://doi.org/10.1109/wasowc54657.2022.9797907","url":null,"abstract":"The sixth generation (6G) of wireless communication networks should deliver higher data rates and spectral efficiency for novel demands and utilizations. Cell free massive MIMO is one promising technique to achieve these goals. Distribution of base stations (BSs) in this system creates more efficiency and better coverage of users than the conventional cellular system. On the other hand, deep learning methods have been proven to be competitive frameworks in comparison of traditional optimization approaches in wireless communication applications. In this paper, power allocation in cell free massive MIMO system in uplink transmission is investigated. Firstly, we achieve lower bound of spectral efficiency, which is valid for all decoders. Besides, we evaluate MAX- MIN power allocation problem from the perspective of deep learning and common optimization methods. The simulation results confirm the superior performance of the deep learning compared to traditional optimization methods. Furthermore, computations complexity of power allocation in the deep learning case are extremely low.","PeriodicalId":306222,"journal":{"name":"2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126398005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Outage Performance Analysis for UAV-Based Mixed Underwater-FSO Communication Under Pointing Errors 指向误差下基于无人机的水下fso混合通信中断性能分析

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798419

Meysam Ghanbari, Mahdi Ataee, Seyed Mohammad Sajad Sadough

引用次数: 2

Spatial Distribution Waveform Design for an Efficient Optical Communication System 高效光通信系统的空间分布波形设计

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798427

H. M. Asif, Affan Affan, N. Tarhuni

引用次数: 1

Path Loss and RMS Delay Spread Model for VLC-based Patient Health Monitoring System 基于vlc的患者健康监测系统的路径损失和RMS延迟扩展模型

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798434

Baris Donmez, Farshad Miramirkhani

{"title":"Path Loss and RMS Delay Spread Model for VLC-based Patient Health Monitoring System","authors":"Baris Donmez, Farshad Miramirkhani","doi":"10.1109/wasowc54657.2022.9798434","DOIUrl":"https://doi.org/10.1109/wasowc54657.2022.9798434","url":null,"abstract":"Visible Light Communication (VLC) emerges as a supplementary technology to ubiquitous Radio Frequency (RF) since VLC meets the very high data rate, very high reliability, and ultra-low latency requirements driven by the trends in beyond-5G communication systems. Since VLC offers a solution to Electromagnetic Interference (EMI) and security problems in hospital environments, it becomes a better alternative for Medical Body Sensor Networks (MBSNs). Nonetheless, user mobility in a 3D environment causes a degradation in channel DC gain that leads to an optical path loss and also affects the time dispersive properties of multipath channels. In our paper, we adopt a ray tracing-based site-specific channel modeling method to characterize VLC-based MBSNs channel parameters. Based on the channel characteristics, we propose statistical models for path loss and Root Mean Square (RMS) delay spread in realistic Intensive Care Unit (ICU) ward and Family-Type Patient Room (FTPR) where user upon which three MBSNs nodes placed walks over extensive realistic random trajectories. The simulation results indicate that both path loss and RMS delay spread follow a log-normal distribution.","PeriodicalId":306222,"journal":{"name":"2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121456437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Performance Comparison of OIDMA and Optical LDS-CDMA OIDMA与光LDS-CDMA的性能比较

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798433

R. Jafari, Mahmoud Farhang

引用次数: 0

On the Performance of Multi - Hop Radio and Optical Wireless Relaying Systems 多跳无线电和光无线中继系统的性能研究

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798424

E. Soleimani-Nasab, Zabih Ghassemlooy

引用次数: 0

An Overview: Orthogonal Frequency Division Multiplexing Techniques for Visible Light Communication Systems 可见光通信系统的正交频分复用技术综述

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9797911

Saba Habibi, M. Omidi, Foroogh sadat Tabataba, Ehsan Yazdian

引用次数: 2

A Miniaturized Half-Coplanar Waveguide CRLH Leaky Wave Antenna for Millimeter-Wave Applications 小型化半共面波导CRLH毫米波漏波天线

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9797913

Saeid Mohammadpour Jaghargh, P. Rezaei

{"title":"A Miniaturized Half-Coplanar Waveguide CRLH Leaky Wave Antenna for Millimeter-Wave Applications","authors":"Saeid Mohammadpour Jaghargh, P. Rezaei","doi":"10.1109/wasowc54657.2022.9797913","DOIUrl":"https://doi.org/10.1109/wasowc54657.2022.9797913","url":null,"abstract":"In this letter, a novel planar microstrip composite right/left handed leaky wave antenna (CRLH L W A), metamaterial inspiration, with full-space radiation beam scanning capability for millimeter-wave application is designed and simulated. The antenna is designed on half-coplanar waveguide technology and it is responsible for miniaturized dimensions, elliptical polarization, high efficiency, as well as continuous space scanning. According to symmetry/asymmetry of periodic L W A theorem, and owing to breaking the longitudinal symmetry of coplanar waveguide, these significant features are available. It is shown by the dispersion diagram approach that the proposed L W A is able to radiate forward, broadside and backward leaky wave radiation. The unit cell of this structure consists of a pair of identical interdigital capacitors (IDCs) that is located on Silicon and Silicon oxide substrate. This CRLH L W A operates in Q band. Full-wave Agilent ADS Momentum software is adopted for the simulation. It is revealed by the investigations that the proposed antenna array with 10 cells can scan the space through broadside from the -52 degree to +58 degree in phi=0 degree plane.","PeriodicalId":306222,"journal":{"name":"2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC)","volume":"202 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124523702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Low insertion loss and high modulation depth Tunable modulator at Telecommunications Band enable by graphene/hBN multilayer gratings 利用石墨烯/hBN多层光栅实现电信频段的低插入损耗和高调制深度可调调制器

2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC) Pub Date : 2022-05-12 DOI: 10.1109/wasowc54657.2022.9798421

Elnaz Gholizadeh, B. Jafari, S. Golmohammadi, H. Soofi

{"title":"Low insertion loss and high modulation depth Tunable modulator at Telecommunications Band enable by graphene/hBN multilayer gratings","authors":"Elnaz Gholizadeh, B. Jafari, S. Golmohammadi, H. Soofi","doi":"10.1109/wasowc54657.2022.9798421","DOIUrl":"https://doi.org/10.1109/wasowc54657.2022.9798421","url":null,"abstract":"In this paper, a novel Graphene Plasmonic Grating modulator is composed of four-layer graphene, encapsulated in hBN layers, and merged with a Fabry-Perot (FP) cavity presented. The main aim of graphene in the proposed modulator is to tune the FP cavity's resonant frequencies. The Standing electric field waves induced by the FP interferometer are strongly formed at the top of grating, where the hBN/graphene layers are established. Therefore, propagation surface plasmon polaritons (SPPs) on graphene sheets strongly confines the electric field between the graphene and hBN layer at the top of the gratings, causing the high absorption of the proposed structure and allowing for modification of the optical signals in the telecommunications range wavelengths. An Au electrode keeps transmission light from the proposed structure at zero. Therefore, the incident light is either absorbed or reflected, which gives the proposed modulator another feature since it can operate in both the absorption and reflection modes and can be adjusted to any desired wavelengths. Moreover, the proposed structure can be used as a perfect absorber since its absorption spectra reach a high value of 100 %. A reflection (absorption) type modulator with a central wavelength of $1.55mu mathbf{m}$, a modulation depth of 97% (98%), insertion loss of 0.20 dB (0.22 dB), with a gate voltage difference of 0.18 V is designed. In addition, the modulation depth of 97 % for both regimes are evaluated in the wavelength of 1.3 and 1.8 μm, Moreover, numerous modulators with different modulation parameters are designed in any desired wavelength of 1–2 μm simply by adjusting the FP interferometer resonance by electrostatically tuning the graphene chemical potential via gate voltage.","PeriodicalId":306222,"journal":{"name":"2022 4th West Asian Symposium on Optical and Millimeter-wave Wireless Communications (WASOWC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126611197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4