2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)最新文献_第7页

A Minimum Distance Criterion Based Constellation Design for Uplink NOMA 基于最小距离准则的上行NOMA星座设计

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891372

Hsuan-Po Liu, Shin-Lin Shieh, Chia-Hung Lin, Po-Ning Chen

引用次数: 3

Design of Length-Compatible Polar Codes: A Compound Polar Code's Perspective 长度兼容极性码的设计:一个复合极性码的视角

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891456

Wen-Che Chang, T. Chang, Y. Su

引用次数: 0

Simulative Comparison of 4G/5G ITU Channel Models in the Context of V2I V2I环境下4G/5G ITU信道模型仿真比较

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891094

Thomas Deinlein, R. German, Anatoli Djanatliev

引用次数: 3

A Modified Chicken Swarm Optimization Algorithm for Synthesizing Linear, Circular and Random Antenna Arrays 线性、圆形和随机天线阵列的改进鸡群优化算法

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891515

Geng Sun, Xiaohui Zhao, Shuang Liang, Yanheng Liu, Xu Zhou, Ying Zhang

{"title":"A Modified Chicken Swarm Optimization Algorithm for Synthesizing Linear, Circular and Random Antenna Arrays","authors":"Geng Sun, Xiaohui Zhao, Shuang Liang, Yanheng Liu, Xu Zhou, Ying Zhang","doi":"10.1109/VTCFall.2019.8891515","DOIUrl":"https://doi.org/10.1109/VTCFall.2019.8891515","url":null,"abstract":"Antenna arrays can enhance the directivity and save the transmission power of a communication system. Beam pattern optimization for reducing the maximum sidelobe level (SLL) is a classical electromagnetic problem in antenna arrays. In this paper, a novel improved chicken swarm optimization (ICSO) algorithm is proposed to suppress the maximum SLL of the linear antenna array (LAA), the circular antenna array (CAA) and the random antenna array (RAA). Three improved factors that are the global search, the weighting and the local search factors are introduced into the update method of the roosters, the hens and the chicks of the conventional chicken swarm optimization (CSO), respectively, to achieve better optimization results. Simulations are conducted to verify the performance of the proposed ICSO for suppressing the maximum SLL, and the results show that the proposed ICSO can obtain lower maximum SLL in LAA, CAA and RAA cases compared with several benchmark algorithms. Moreover, the stability of ICSO is evaluated and the results show that it outperforms the other algorithms.","PeriodicalId":6713,"journal":{"name":"2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)","volume":"57 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74632917","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: 6

Implementation and Performance Evaluation of IEEE 802.11af Channel Aggregation IEEE 802.11af信道聚合的实现与性能评估

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891366

T. Matsumura, Kazuo Ibuka, H. Murakami, K. Ishizu, F. Kojima

引用次数: 2

Interference Detection and Reporting in IEEE 802.11p Connected Vehicle Networks IEEE 802.11p网联车辆网络中的干扰检测和报告

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891233

D. Michelson, Hamed Noori, Quinn Ramsay

{"title":"Interference Detection and Reporting in IEEE 802.11p Connected Vehicle Networks","authors":"D. Michelson, Hamed Noori, Quinn Ramsay","doi":"10.1109/VTCFall.2019.8891233","DOIUrl":"https://doi.org/10.1109/VTCFall.2019.8891233","url":null,"abstract":"Recent proposals to permit Wi-Fi to share the 5.9 GHz spectrum currently reserved exclusively for Dedicated Short Range Communications (DSRC) have elicited strong reactions from both the wireless and connected vehicle communities. A variety of lab-based studies and simulation-based investigations have been conducted in an attempt to resolve the issue but the results have not resolved the issue. One possible solution is to provide DSRC networks with the capability to detect and report interference to a central authority so that appropriate action can be taken by Wi-Fi operators or spectrum regulators to resolve the issue. Here we propose and demonstrate that interference to DSRC networks can be detected simply and inexpensively using capabilities already incorporated into the IEEE 802.11p standard. We further propose that a simple and inexpensive method for reporting interference to DSRC networks would be to clone a second instance of the subsystem used to report untrustworthy digital certificates within the DSRC Security Credential Management System (SCMS) and deliver reports of possible interference events to a Spectrum Misbehavior Authority. Such a combined capability would resolve a longstanding but underappreciated concern that DSRC networks are vulnerable to a variety of short-range interferers but lack the capability to detect or report same. Although our focus is on DSRC, similar considerations apply to related schemes such as C-V2X.","PeriodicalId":6713,"journal":{"name":"2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)","volume":"9 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73885219","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: 6

Experimental Results on Crowdsourced Radio Units Mounted on Parked Vehicles 停放车辆上安装众包无线电装置的实验结果

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891321

Yu Nakayama, D. Hisano, T. Nishio, K. Maruta

引用次数: 4

Performance Analysis of Finite Length Non-Binary Raptor Codes under Ordered Statistics Decoder 有限长度非二进制猛禽码在有序统计解码器下的性能分析

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891217

Lianqin Li, Kecheng Zhang, J. Jiao, Yunyu Sun, Shaohua Wu, Ye Wang, Qinyu Zhang

引用次数: 2

On Achieving High PHY-Layer Security of D2D-Enabled Heterogeneous Networks 实现d2d异构网络物理层高安全性的研究

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891418

Chun-Hung Liu, Di-Chun Liang, Rung-Hung Gau

{"title":"On Achieving High PHY-Layer Security of D2D-Enabled Heterogeneous Networks","authors":"Chun-Hung Liu, Di-Chun Liang, Rung-Hung Gau","doi":"10.1109/VTCFall.2019.8891418","DOIUrl":"https://doi.org/10.1109/VTCFall.2019.8891418","url":null,"abstract":"This paper aims to study how to achieve high transmission security in the physical (PHY) layer of a multi-tier heterogeneous network (HetNet) through a simple device-to- device (D2D) enabling scheme. For the HetNet, we propose a simple D2D-enabling scheme with low complexity for users to opportunistically enable their D2D mode and become either D2D or cellular users by exploiting the diversity of all user association signals from all base stations (BSs). To evaluate whether the proposed D2D enabling scheme improves the PHY-layer security of the HetNet, the secrecy outage probability of the HetNet is defined and analyzed from two different perspectives of BSs and users. We define the BS- centric and user-centric security outage events and derive the explicit lower bound on their probability when the proposed D2D enabling scheme is adopted. Our analytical and numerical results not only show that the proposed D2D-enabling scheme can achieve high PHY-layer security but also reveal how densely the BSs should be deployed in the HetNet in order to achieve the high PHY-layer security from the perspectives of BSs and users.","PeriodicalId":6713,"journal":{"name":"2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)","volume":"297 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79670785","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: 3

Experimental Validation of Massive MIMO Linearity Enhancement with DPD in Low-SHF-Band for 5G 5G低高频带DPD大规模MIMO线性增强实验验证

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) Pub Date : 2019-09-01 DOI: 10.1109/VTCFall.2019.8891388

Tomohiro Kikuma, Takuji Mochizuki, Masashi Hirabe, M. Hayakawa, Daisuke Nose

{"title":"Experimental Validation of Massive MIMO Linearity Enhancement with DPD in Low-SHF-Band for 5G","authors":"Tomohiro Kikuma, Takuji Mochizuki, Masashi Hirabe, M. Hayakawa, Daisuke Nose","doi":"10.1109/VTCFall.2019.8891388","DOIUrl":"https://doi.org/10.1109/VTCFall.2019.8891388","url":null,"abstract":"Massive multi input and multi output (MIMO) for use in 5th Generation (5G) radio access network (RAN) systems has drawn attention as a key technology. Our research focuses on utilizing massive MIMO as an active antenna system (AAS) in the low super-high-frequency (SHF) band, which is expected to be used for 5G commercial bands relatively soon, and on enhancing spectrum efficiency by spatial multiplexing. In this paper, we introduce our latest developed massive MIMO system which has flexible AAS unit configuration, a newly embedded high-performance digital pre-distortion (DPD) scheme to maintain high signal quality even in the high transmission power range, and improves the spatial multiplexing performance of two AAS units (128 antenna elements) by comparison with that of one AAS unit (64 antenna elements).　We evaluate downlink　(DL) multi-user　(MU) MIMO performance in an anechoic chamber, connecting up to a maximum of eight user equipment (UEs) with 16 layers, with two different dense UE allocation scenarios. From the results, we confirmed a greater performance improvement for two AAS units, particularly in the case of the \"congested\" eight UEs allocation scenario, where the DL SINR reaches 22.9 dB, which has a 4.5 dB gain compared to the DPD-disabled case and a 14.9 dB gain compared to one AAS unit with the DPD-enabled case, respectively. We also confirmed that the developed massive MIMO system can optimize the performance with minimum configuration of AAS units, appropriately according to the environment.","PeriodicalId":6713,"journal":{"name":"2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall)","volume":"34 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84669951","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