2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)最新文献_第4页

Adaptive Power Control with Vehicular Trellis Architecture for Vehicular Communication Systems 基于网格结构的车载通信系统自适应功率控制

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9129488

Akinsola Akinsanya, Manish Nair, Huiling Zhu, Jiangzhou Wang

引用次数: 0

Improved Frequency Domain Resource Allocation Indication 改进频域资源分配指示

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128952

Kittipong Kittichokechai, Mattias Andersson, R. Baldemair, Y. Blankenship

引用次数: 1

Reinforcement Learning Approach for Hybrid WiFi-VLC Networks 混合WiFi-VLC网络的强化学习方法

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128892

Abdulmajeed M. Alenezi, K. Hamdi

{"title":"Reinforcement Learning Approach for Hybrid WiFi-VLC Networks","authors":"Abdulmajeed M. Alenezi, K. Hamdi","doi":"10.1109/VTC2020-Spring48590.2020.9128892","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9128892","url":null,"abstract":"The number of mobile devices in indoor environment has dramatically increased and the capacity of conventional RF wireless networks may not be enough to support the indoor traffic demand. Recently, Visible Light Communication (VLC) systems have emerged as a complementary unlicensed media. In this paper, we proposed a hybrid WiFi-VLC system where multiple VLC access points (AP) coexist with a WiFi AP. A number of indoor users share the hybrid WiFi-VLC system. All users employ WiFi for uplink whereas one access point (WiFi or VLC) is assigned for each user to maximize the overall capacity of the network. We propose a new reinforcement learning algorithm which can be implemented at the WiFi AP and results in the selection of an access point such that the total throughput is maximized. Numerical simulation results show that the proposed method improves the total system throughput significantly. Furthermore, the throughput achieved by the worst user in the proposed Q-Learning algorithm becomes higher than what would be received by the average user who used the conventional hybrid systems based on best connection.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121303544","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: 9

Impact of Cellular Interference on Uplink UAV Communications 蜂窝干扰对无人机上行通信的影响

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128682

Zheng Hui Ernest Tan, A. Madhukumar, Rajendra Prasad Sirigina, A. Krishna

引用次数: 4

UAV-Assisted Time Division Power Allocation Strategy Based on RF Energy Harvesting 基于射频能量收集的无人机辅助时分功率分配策略

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9129235

Zhichao Liu, Yisheng Zhao, Peng Fang, Jincheng Gao, Zhonghui Chen

{"title":"UAV-Assisted Time Division Power Allocation Strategy Based on RF Energy Harvesting","authors":"Zhichao Liu, Yisheng Zhao, Peng Fang, Jincheng Gao, Zhonghui Chen","doi":"10.1109/VTC2020-Spring48590.2020.9129235","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9129235","url":null,"abstract":"Aiming at the difference in number of users in busy time and spare time for the femto base station (FBS), the power allocation problem of maximizing the total downlink information is investigated in this paper. By deploying a pico base station carried by unmanned aerial vehicle (PBS-UAV), it provides services for users of multiple FBSs in spare time. Both the FBS and PBS-UAV have energy harvesting function. During the busy time, the FBS and PBS-UAV simultaneously harvest energy from the macro base station, and FBSs transmit data to users. During the spare time, multiple FBSs are replaced by the PBS-UAV to communicate with users in downlink. The power allocation problem is modeled as an optimization problem. The objective is to maximize the amount of downlink information of FBSs and PBS-UAV while satisfying the constraints of FBS and PBS-UAV energy consumption and transmission power. The optimal solution is obtained by using an augmented Lagrange multiplier method. The simulation results show that compared with the equal power method and partial fixed power method with PBS-UAV, the proposed method has an increase in terms of total information to different degrees.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116289378","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

Adaptive Priority-threshold Setting Strategy for Statistical Priority-based Multiple Access Network 基于统计优先级的多址网络自适应优先级阈值设置策略

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9129417

Pai Liu, Chan Wang, M. Lei, Min Li, Minjian Zhao

{"title":"Adaptive Priority-threshold Setting Strategy for Statistical Priority-based Multiple Access Network","authors":"Pai Liu, Chan Wang, M. Lei, Min Li, Minjian Zhao","doi":"10.1109/VTC2020-Spring48590.2020.9129417","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9129417","url":null,"abstract":"The statistical priority-based multiple access protocol (SPMA) is a MAC (medium access control) protocol adopted for the Tactical Targeting Network Technology (TTNT), by virtue of high reliability and low latency. In SPMA, in order to keep the network in a favorable loading situation and ensure 99 percent first time success rate for packets of the highest priority, priority thresholds are normally set to fixed values. However, this fixed threshold strategy is not necessarily optimal when the transmission rate at each node varies due to the change of channel condition. To improve the performance, in this paper, we propose an adaptive priority-setting strategy for SPMA, accounting for the change of transmission rates at network nodes. The performance enhancement from the proposed strategy is validated through numerical simulations. In particular, it is shown that higher throughput and lower latency are achieved when the number of nodes supporting high transmission rate increases, while 99 percent first time success rate for the packets of the highest priority is guaranteed when it decreases.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"581 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116339836","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

Low Latency Interference Cancellation for Uplink URLLC Repetition Transmission 低延迟干扰消除上行URLLC重复传输

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/vtc2020-spring48590.2020.9129143

O. Nakamura, Y. Hamaguchi, Takumi Takahashi, S. Sampei

引用次数: 1

5G V2X communication at millimeter wave: rate maps and use cases 毫米波5G V2X通信:速率图和用例

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128612

W. Zheng, Anum Ali, N. G. Prelcic, R. Heath, A. Klautau, Ehsan Moradi-Pari

{"title":"5G V2X communication at millimeter wave: rate maps and use cases","authors":"W. Zheng, Anum Ali, N. G. Prelcic, R. Heath, A. Klautau, Ehsan Moradi-Pari","doi":"10.1109/VTC2020-Spring48590.2020.9128612","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9128612","url":null,"abstract":"Millimeter wave (mmWave) has the potential to offer high data rates for vehicle-to-everything (V2X) communication. In this paper, we provide an introduction to important use cases of V2X as they pertain to fifth generation (5G) communication networks. As 5G technology is still evolving to support vehicles, and mmWave is reflected and blocked by vehicles, it remains unclear if the target rates for the use cases can be achieved. Motivated by the different data rate requirements, we introduce a methodology for evaluating rates in 5G mmWave V2X scenarios. Our approach leverages available city CAD models, realistic traffic simulators, and industry standard ray tracing tools to allow site-specific propagation evaluation. This approach may be used to devise insight into the role of traffic density, antenna array placement, and base station density in important urban propagation settings. Results are provided that highlight the application to develop a rate map for an urban intersection. They show that rate increases in dense deployments by more than ten percent per base station, but only decreases about one percent when going from light to heavy traffic.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114708874","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: 9

An Optimization Method for the Gateway Station Deployment in LEO Satellite Systems 低轨道卫星系统网关站部署的优化方法

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128413

Chaoyi Zhu, Yitao Li, Manqing Zhang, Qi Wang, Wuyang Zhou

{"title":"An Optimization Method for the Gateway Station Deployment in LEO Satellite Systems","authors":"Chaoyi Zhu, Yitao Li, Manqing Zhang, Qi Wang, Wuyang Zhou","doi":"10.1109/VTC2020-Spring48590.2020.9128413","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9128413","url":null,"abstract":"Low Earth Orbit (LEO) satellite networks play a major role to provide communication support for the regions beyond the coverage of terrestrial network systems. The positions of gateway stations have influence on the time delay, power consumption and throughput of LEO satellite networks, making it important to deploy the gateway stations at the best position. Aiming at minimizing the inter-satellite hop count, we are the first to study the deployment problem of gateway stations. The gateway deployment problem is formulated as a non-convex optimization problem. According to the characteristics of the deployment problem, we propose an improved genetic algorithm (GA) and an improved simulated annealing algorithm (SA) not only to get the optimal deployment location, but also to greatly reduce the computational complexity. Simulation results and analyses show that compared with random deployment, the optimal locations of the gateway stations obtained by the proposed algorithms can decrease 42.6% average hop count of inter-satellite links and increase 4.4% average capacity of feeder links.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127891323","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: 5

Suppression of 802.11 Transmission in 2. 4GHz ISM band: Method and Experimental Verification 2.抑制802.11传输4GHz ISM频段:方法与实验验证

2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring) Pub Date : 2020-05-01 DOI: 10.1109/VTC2020-Spring48590.2020.9128794

Peiliang Zuo, Tao Peng, Hao Wu, Kangyong You, Hanbo Jing, Wenbin Guo, Wenbo Wang

{"title":"Suppression of 802.11 Transmission in 2. 4GHz ISM band: Method and Experimental Verification","authors":"Peiliang Zuo, Tao Peng, Hao Wu, Kangyong You, Hanbo Jing, Wenbin Guo, Wenbo Wang","doi":"10.1109/VTC2020-Spring48590.2020.9128794","DOIUrl":"https://doi.org/10.1109/VTC2020-Spring48590.2020.9128794","url":null,"abstract":"Due to the characteristics of being license-free, the ISM (Industrial, Scientific, Medical) bands are frequently utilized by wireless communication systems. However, the ubiquitous and unmanaged IEEE 802.11 systems deployed in the ISM bands may bring non-negligible interference to emergency communications. This paper considers suppressing the transmission of 802.11 systems in 2. 4GHz ISM band for protecting the public safety in emergency scenarios. To this end, two kinds of suppression frames that comply with the 802.11 protocol are analyzed, which respectively borrow the ideas of virtual carrier-sense attack and spoofing. The validity of each of the frames is then verified both qualitatively and quantitatively by the designed experiments with multiple commercial off-the-shelf (COTS) 802.11 devices. Based on which we propose an integrated suppression method that is effective for all tested devices. Further experiments and analysis show that the presented method outperforms the state-of-the-art suppression methods in terms of energy consumption and applicability.","PeriodicalId":348099,"journal":{"name":"2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126249106","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