2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)最新文献_第4页

An efficient puncturing method for the short and long length polar codes 一种有效的短、长极性码的穿刺方法

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270452

M. Hanif, S. Vafi

引用次数: 5

Towards autonomous machine reasoning: Multi-stage classification system with intermediate learning 走向自主机器推理:具有中间学习的多阶段分类系统

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270486

Melissa N. Stolar, M. Lech, R. Bolia, Michael Skinner

引用次数: 3

Outage probability and secrecy capacity of a non-orthogonal multiple access system 非正交多址系统的中断概率和保密能力

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270504

T. Chu, H. Zepernick

{"title":"Outage probability and secrecy capacity of a non-orthogonal multiple access system","authors":"T. Chu, H. Zepernick","doi":"10.1109/ICSPCS.2017.8270504","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270504","url":null,"abstract":"In this paper, we analyze the outage probability and secrecy capacity of a non-orthogonal multiple access (NOMA) system in the presence of an eavesdropper. In order to enhance spectral efficiency, a base station communicates with two users simultaneously in the same frequency band by superpimposing the transmit signals to the users in the power domain. Specifically, the user with the worse channel conditions is allocated higher power such that it is able to directly decode its signal from the received superimposed signal. At the user with the better channel conditions, the interference due to NOMA is processed by successive interference cancelation. Given these system settings and accounting for decoding thresholds, we analyze the outage probability of the NOMA system over Rayleigh fading channels. Furthermore, based on the locations of the users and eavesdropper, the secrecy capacity is analyzed to assess the level of security provided to the legitimate users in the presence of an eavesdropper. Here, the decoding thresholds of legitimate users and eavesdropper are also included in the analysis of the secrecy capacity. Through numerical results, the effects of network parameters on system performance are assessed as well as the the superiority of NOMA in terms of secrecy capacity over traditional orthogonal multiple access.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"32 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123800097","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: 13

Local clock-based timestamp synchronization for multihop ad hoc and sensor networks 多跳自组织和传感器网络中基于本地时钟的时间戳同步

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270484

Longjiang Li, Jianjun Yang, Y. Mao

引用次数: 1

Fast gradient distance based image registration 基于快速梯度距离的图像配准

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270457

R. González, Luke Lincoln

引用次数: 0

A low profile high gain CPW-fed slot antenna with a cavity backed reflector for CubeSats 一种用于立方体卫星的具有腔背反射器的低轮廓高增益cpw馈电槽天线

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270474

Faisel E. M. Tubbal, R. Raad, Kwan-Wu Chin

引用次数: 13

Time-delay estimation via procrustes estimation and Khatri-Rao factorization for GNSS multipath mitigation 基于procrucs估计和Khatri-Rao分解的GNSS多径时延估计

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270464

Daniel Valle de Lima, J. Costa, J. Maranhao, R. Sousa

引用次数: 9

When are erasure correcting block codes better than convolutional codes in a multi-hop network? 在多跳网络中，什么时候擦除纠错分组码比卷积码更好?

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270463

Jonas Hansen, Jan Østergaard, Johnny Kudahl, John H. Madsen

引用次数: 2

User mobility modeling based on mobile traffic data collected in real cellular networks 基于实际蜂窝网络中移动流量数据的用户移动性建模

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270482

Zhenbang Zhao, P. Zhang, Haozhou Huang, Xing Zhang

{"title":"User mobility modeling based on mobile traffic data collected in real cellular networks","authors":"Zhenbang Zhao, P. Zhang, Haozhou Huang, Xing Zhang","doi":"10.1109/ICSPCS.2017.8270482","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270482","url":null,"abstract":"Nowadays, the development of mobile communication technology results in a huge amount of mobile traffic data. The Call Detail Records (CDRs) contain considerable users' traffic-related information, e.g., the user ID, service begin time, service duration and the communication cell which the users connect. Combining with the position information of base stations, CDRs substantially reflect the users' activity trajectories. In order to efficiently analyze the massive traffic data from the view of user mobility, several technical challenges have to be tackled including data collection, trajectory construction, data noise removing, data storage and analyzing methods. This paper introduces a mobility modeling method for wireless big data. The mobility modeling is based on real traffic data collected from 4G cellular networks including 3 different cities in a western province of China. Our experiments discover the user's mobility feature, changing of city hotspots and the mobility patterns. By considering location data trends across all users, it becomes possible to understand mobility on many important applications such as traffic prediction, radio resource optimization and allocation, mobile computing and urban planning.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"42 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116118374","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

Coexistence of SRD CSMA-based systems with DC-based systems and LTE 基于SRD csma的系统与基于dc的系统和LTE的共存

2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2017-12-01 DOI: 10.1109/ICSPCS.2017.8270499

Rita Bandeira, Ivo Sousa, Tiago Rosa Maria Paula Queluz, A. Rodrigues

{"title":"Coexistence of SRD CSMA-based systems with DC-based systems and LTE","authors":"Rita Bandeira, Ivo Sousa, Tiago Rosa Maria Paula Queluz, A. Rodrigues","doi":"10.1109/ICSPCS.2017.8270499","DOIUrl":"https://doi.org/10.1109/ICSPCS.2017.8270499","url":null,"abstract":"Short Range Devices (SRDs) operate in unlicensed spectrum, and though there are some rules to control the sharing of radio resources, there is no limit to the geographical density of devices. Therefore, efficient radio resource utilization is of paramount importance to guarantee the expected performance, even in high contention situations. It is also necessary to guarantee that the growing number of SRDs operating in the adjacent band of Long Term Evolution (LTE) do not degrade its performance, and vice-versa. In this work, the operation of SRDs in a building automation application scenario is assessed using a Carrier Sense Multiple Access (CSMA) channel access scheme for multiple SRD densities. CSMA is considered both as a standalone access scheme and in coexistence with another random channel access scheme — Duty Cycle (DC). Simulation results have shown that the SRD system underperforms if the transmission power is too low or too high, which means that, in order to obtain the best performance, the transmission power of CSMA nodes needs to be carefully adjusted taking into account the operating area. Moreover, CSMA is proven to successfully operate in the presence of dozens of DC sensors, although at the cost of more energy required for retransmissions. Finally, with respect to the LTE and SRD coexistence scenario, the analysis shows that the LTE User Equipment (UE) emissions may impair the SRD system; on the other hand, the impact of SRD emissions on LTE UEs is insignificant.","PeriodicalId":268205,"journal":{"name":"2017 11th International Conference on Signal Processing and Communication Systems (ICSPCS)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130999915","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