2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)最新文献_第10页

Neural Network Assisted Active Constellation Extension for PAPR Reduction of OFDM System 神经网络辅助主动星座扩展降低OFDM系统PAPR

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928056

Mingshan Zhang, Ming Liu, Z. Zhong

引用次数: 8

Latency Performance Analysis of Predictive Resource Allocation 预测资源分配的延迟性能分析

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8927921

Yuanxin Sun, Ruoxin Kuai, Wanbin Tang, Xiaoping Li

引用次数: 0

Computation Offloading and Resource Allocation in Mobile Edge Computing via Reinforcement Learning 基于强化学习的移动边缘计算计算卸载与资源分配

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8927985

Danfeng Wang, Jian Zhao

{"title":"Computation Offloading and Resource Allocation in Mobile Edge Computing via Reinforcement Learning","authors":"Danfeng Wang, Jian Zhao","doi":"10.1109/WCSP.2019.8927985","DOIUrl":"https://doi.org/10.1109/WCSP.2019.8927985","url":null,"abstract":"This paper considers the computation offloading and resource allocation for system sum cost minimization in a mobile edge computing (MEC)network. The computation offloading decision of the user equipments (UEs)can be made through wireless link to access the MEC server. Our intent is to minimize the weighted sum cost of the system, which takes into account the energy consumption and time delay, for both task processing and data transmissions, subject to the force delay requirement of the devices. We first formulate the problem as a mixed-integer and non-convex optimization scheme. Enlightened by the superior performance of reinforcement learning (RL)on solving resource control problems, we put forward a novel RL-based scheme for computation offloading and resource allocation in MEC network. Specifically, the MEC node is considered as an “agent”, which first makes decision on whether to offloading the computing task to the MEC server, and then utilizes convex optimization algorithms to settle the radio spectrum and computation resource scheduling problem in each decision phase. The simulation results present that the RL-based method can achieve better computation offloading and resource allocation performance compared to those of local computing and remote computing modes. It also achieves very similar or slightly better performance compared to the genetic algorithm based method.","PeriodicalId":108635,"journal":{"name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115736461","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

Vehicle-to-Infrastructure Channel Measurement and Beamforming Analysis for the RMa Scenario RMa场景下车辆对基础设施信道测量和波束形成分析

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928092

Haochen Xu, Yi Jiang, Ruonan Zhang, Changyou Li, Bin Li

{"title":"Vehicle-to-Infrastructure Channel Measurement and Beamforming Analysis for the RMa Scenario","authors":"Haochen Xu, Yi Jiang, Ruonan Zhang, Changyou Li, Bin Li","doi":"10.1109/WCSP.2019.8928092","DOIUrl":"https://doi.org/10.1109/WCSP.2019.8928092","url":null,"abstract":"Vehicle-to-infrastructure (V2I) access has been considered as an important scenario in the emerging heterogeneous networks. To improve the link quality, the V2I channel characteristics should be investigated carefully. In this paper, we conduct a measurement campaign for the V2I channels in the rural macrocell (RMa) scenario at 3.5 GHz. We measured the spatial propagation characteristics of the multipath components (MPCs) in the up link from a roadside base station (BS) to a vehicle. In particular, we have obtained the azimuth and elevation angle of arrival (AoA/EoA) by using a massive multiple-input-multiple-output (MIMO) channel sounder. We find that the azimuth/elevation power spectrum (APS/EPS) can be well modeled by the Laplace distribution function. We also investigate the root-mean-square elevation/azimuth spread of arrival (ESA/ASA) and model their distributions by the normal distribution. Furthermore, we analyze the received signal power variation with the number of antenna array elements and the beamforming direction based on the established APS model. Finally, we analyze the interference in beamforming and its influence on the link performance. The measurement and analysis results can help to optimize the massive MIMO beamforming scheme for vehicular communications and tracking in the RMa V2I access network.","PeriodicalId":108635,"journal":{"name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116188135","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: 2

Tabu-List Noisy Gradient Descent Bit Flipping Decoding of LDPC Codes LDPC码的禁忌表噪声梯度下降翻转译码

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8927932

Li Zhang, Nan Liu, Zhiwen Pan, X. You

引用次数: 1

Energy Minimization for Infrastructure-to-Vehicle Communications with Multiple Roadside Units 具有多个路边单元的基础设施与车辆通信的能量最小化

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928048

Qing Wei, Li Wang, Aiguo Fei

{"title":"Energy Minimization for Infrastructure-to-Vehicle Communications with Multiple Roadside Units","authors":"Qing Wei, Li Wang, Aiguo Fei","doi":"10.1109/WCSP.2019.8928048","DOIUrl":"https://doi.org/10.1109/WCSP.2019.8928048","url":null,"abstract":"Nowadays, roadside units (RSUs)assisted message propagation in vehicular networks has aroused the widespread concern due to their ability of extending communication coverage or connectivity. This paper considers a vehicular service radio network consisting of multiple RSUs tasked to push traffic information to passing vehicles, and analyzes the energy efficiency of data transmission. Each RSU has a finite storage room, and vehicles entering the coverage of RSUs would receive packets with service rate determined by their downlink channel conditions. We consider the energy consumption minimization problem over multiple RSUs, under average packet loss probability and average system time constraints. Then, a low complexity algorithm is proposed with joint optimization of the number of RSUs, transmission power, and storage room. Simulation results closely corroborate the analytical results and validate the effectiveness of the proposed algorithm in terms of energy minimization and computation complexity. Practically, our proposed approach can help decide proper deployment of RSUs to achieve energy saving.","PeriodicalId":108635,"journal":{"name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114732999","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

RESOURCE ALLOCATION FOR MULTIUSER VIDEO STREAMING IN UAV RELAY NETWORKS 无人机中继网络中多用户视频流资源分配

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928024

Hangjing Zhang, Yang Hu, Yan Chen

引用次数: 0

Joint Wireless Power and Information Transfer for Primary Secure Transmission 用于初级安全传输的联合无线电源和信息传输

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928093

Rui Song, Xiao Tang, Dawei Wang, D. Zhai, Woping Xu, Bin Li

{"title":"Joint Wireless Power and Information Transfer for Primary Secure Transmission","authors":"Rui Song, Xiao Tang, Dawei Wang, D. Zhai, Woping Xu, Bin Li","doi":"10.1109/WCSP.2019.8928093","DOIUrl":"https://doi.org/10.1109/WCSP.2019.8928093","url":null,"abstract":"For the sake of supplying information privacy to the primary network and supporting the secondary quality-of-service (QoS) requirement, we design a cooperative primary preserving strategy which simultaneously transfers power and information in cognitive radio networks. In this strategy, the secondary network offers information security to the primary information in three phases and obtains needed licensed spectrum for the secondary transmission. Specifically, in the first phase, a small part of the primary transmitter's power is allocated for the primary privacy transmission, meanwhile, the remaining power is utilized to beamform the energy signal for energy harvesting. After receiving the privacy signal, two secondary users cooperatively forward the privacy information under jamming protection. In the last phase, SR will occupy the licensed spectrum for the secondary information. For our proposed scheme, we research the transmission reliability and secrecy performances of the primary network and derive their closed -form expressions. Numerical results display the performance improvement of our scheme about the secondary average rate under the primary performance requirements.","PeriodicalId":108635,"journal":{"name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126787196","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: 2

Location-Aware mmWave Beamforming Based on Kernel Trick 基于核技巧的位置感知毫米波波束形成

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8928119

Bin Yang, Li Chen, Weidong Wang

引用次数: 0

Research on Localization Algorithm of Wireless Sensor Networks Based on IoT 基于物联网的无线传感器网络定位算法研究

2019 11th International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2019-10-01 DOI: 10.1109/WCSP.2019.8927957

Yang Jing, Hongxu Tao, Yun Lin

引用次数: 0