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Enhanced Localization Systems with Multipath Fingerprints and Machine Learning 基于多路径指纹和机器学习的增强定位系统
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2019-09-01 DOI: 10.1109/PIMRC.2019.8904120
Marcelo N. de Sousa, R. Thomä
{"title":"Enhanced Localization Systems with Multipath Fingerprints and Machine Learning","authors":"Marcelo N. de Sousa, R. Thomä","doi":"10.1109/PIMRC.2019.8904120","DOIUrl":"https://doi.org/10.1109/PIMRC.2019.8904120","url":null,"abstract":"We propose a new method to enhance the performance of radio frequency localization in strong multipath and non-line-of-sight (NLOS) situations. The knowledge about the geometrical structure of multipath propagation environment is exploited by using a ray-tracing tool. We further apply the Random Forest (RF) algorithm embedded in a machine learning framework to extract a reference data-set of Time Differences of Arrival (TDOA) fingerprints in multipath outdoor scenarios. Site-specific fingerprints are processed with a multidimensional cross-correlation, called Volume Cross-Correlation function (VCC), to extract the multipath features from measurements. The performance and feasibility of our method was evaluated by simulations and measurements.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122672509","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
Service discovery in mobile social networks 移动社交网络中的服务发现
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2014-09-01 DOI: 10.1109/PIMRC.2014.7136399
M. Girolami, S. Chessa, S. Basagni, Francesco Furfari
{"title":"Service discovery in mobile social networks","authors":"M. Girolami, S. Chessa, S. Basagni, Francesco Furfari","doi":"10.1109/PIMRC.2014.7136399","DOIUrl":"https://doi.org/10.1109/PIMRC.2014.7136399","url":null,"abstract":"We present a new service discovery algorithm, termed SIDEMAN, which considers human mobility for service dissemination and discovery. SIDEMAN takes advantage of mobile social networking characteristics, such as user membership to a restricted number of communities and interest for similar services among users in the same community. We evaluated the performance of SIDEMAN via simulations in a scenario based on traces collected at the IEEE conference Infocom in 2006. Our algorithm has been compared to the social version of two popular data dissemination techniques, namely, flooding and gossiping. We have measured how proactive an algorithm is in distributing services of interest (Recall), how many services are already with a user when they are needed (Gain), the energy cost for service discovery, and the time needed to reply a service query. We show that SIDEMAN obtains perfect Recall and a Gain that is always comparable to that of the other algorithms. Furthermore, most services are retrieved in reasonable time and at a lower energy cost than that of the flooding and gossiping-based solutions.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129796521","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
Improved performance bounds for iterative IC LMMSE channel estimator with SI pilots 改进了带SI导频的迭代集成电路LMMSE信道估计器的性能边界
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2010-12-17 DOI: 10.1109/PIMRC.2010.5671605
Toni Levanen, M. Renfors
{"title":"Improved performance bounds for iterative IC LMMSE channel estimator with SI pilots","authors":"Toni Levanen, M. Renfors","doi":"10.1109/PIMRC.2010.5671605","DOIUrl":"https://doi.org/10.1109/PIMRC.2010.5671605","url":null,"abstract":"In this paper an iterative, interference cancelling receive structure for single carrier transmission using superimposed training is studied. We derive the analytical MSE limits for LMMSE channel estimator using perfect channel knowledge and show that the simulated values follow well the analytical ones. Then, we utilise these results to analyse the MSE performance of a combined ML-LMMSE chanel estimator structure, where the initial channel estimates are obtained from the ML channel estimator","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129839451","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
Energy-efficient characterization of solar panel-supercapacitors systems for energy-harvesting aware wireless sensor nodes 用于能量收集感知无线传感器节点的太阳能电池板-超级电容器系统的节能特性
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2009-09-01 DOI: 10.1109/PIMRC.2009.5450038
A. B. D. Cunha, D. Silva
{"title":"Energy-efficient characterization of solar panel-supercapacitors systems for energy-harvesting aware wireless sensor nodes","authors":"A. B. D. Cunha, D. Silva","doi":"10.1109/PIMRC.2009.5450038","DOIUrl":"https://doi.org/10.1109/PIMRC.2009.5450038","url":null,"abstract":"Emerging technologies for ambient energy harvesting have enabled the development of Energy-Harvesting Aware Wireless Sensor Networks. This paper presents a new energy efficient approach for the characterization of a system composed of a solar mini-panel and supercapacitors (supercaps) that is able to supply energy to the sensor node from the three possible sources, namely, the supercapacitor (supercap), the backup battery and the solar-panel itself. Besides the efficiency this approach preserves the integrity of the supercapacitors, avoiding the real risks of degradation usually found in the literature. It is also shown that the energy efficiency provides not only energy awareness sensor nodes, but also information for the analysis and planning of QoS metrics for Wireless Sensor Networks.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130261936","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
Real vs. complex BPSK precoding for MIMO broadcast channels MIMO广播信道的真实与复杂BPSK预编码
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2008-12-08 DOI: 10.1109/PIMRC.2008.4699418
R. Miguel, R. Müller
{"title":"Real vs. complex BPSK precoding for MIMO broadcast channels","authors":"R. Miguel, R. Müller","doi":"10.1109/PIMRC.2008.4699418","DOIUrl":"https://doi.org/10.1109/PIMRC.2008.4699418","url":null,"abstract":"Recently Muller et al. (IEEE J. Select. Areas Commun. 2008) used asymptotic methods from statistical physics to analyze non-linear vector precoding for MIMO broadcast channels. They proposed to extend BPSK input alphabets onto both real and complex supersets of the original constellation points. They showed that, as the optimization space is greater, lower energies are achieved when the extended alphabets are complex. In this work we use similar asymptotic methods and propose an alternative channel inversion technique which makes purely real alphabets perform as well as their complex extensions, which results in reduced complexity in the optimization process.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126045966","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
The kappa-mu phase-envelope joint distribution kappa-mu相包络联合分布
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2008-12-08 DOI: 10.1109/PIMRC.2008.4699743
U. Dias, M. Yacoub, D. B. D. Costa
{"title":"The kappa-mu phase-envelope joint distribution","authors":"U. Dias, M. Yacoub, D. B. D. Costa","doi":"10.1109/PIMRC.2008.4699743","DOIUrl":"https://doi.org/10.1109/PIMRC.2008.4699743","url":null,"abstract":"A process for making a rigid pipe with the aid of flexible parallel coextensive skins interiorly filled with a catalyst-curable flexible filler, where the flexible skins and filler are laid along any desired surface contour and then the interior space within the inner skin is expanded to form the pipe and catalyst is introduced through one or both of the skins which is catalyst-permeable, to produce a rigidized pipe.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114724202","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
BEAR: A Bursty Error Auto-Regressive Model for Indoor Wireless Environments BEAR:一种室内无线环境的突发误差自回归模型
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2007-12-04 DOI: 10.1109/PIMRC.2007.4394738
Ramón Agüero, Marta García-Arranz, L. Muñoz
{"title":"BEAR: A Bursty Error Auto-Regressive Model for Indoor Wireless Environments","authors":"Ramón Agüero, Marta García-Arranz, L. Muñoz","doi":"10.1109/PIMRC.2007.4394738","DOIUrl":"https://doi.org/10.1109/PIMRC.2007.4394738","url":null,"abstract":"In this paper we propose a novel channel model for indoor wireless environments. Using a set of real measurements, we tune the parameters of an Auto-Regressive filter, which is the core of the proposed model; furthermore we assess that its behavior is much closer to real wireless links that those exhibited by some of the most currently used approaches. The novel channel model is integrated within the framework of the Network Simulator environment. Its goal is to mimic the \"bursty\" behavior that characterizes the aforementioned indoor wireless environments.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"71 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113971799","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: 7
Remote Service Usage Through Sip with Multimedia Access as a Use Case 以多媒体访问为例，通过Sip协议使用远程业务
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2007-12-04 DOI: 10.1109/PIMRC.2007.4394095
Andreas Häber, Martin Gerdes
{"title":"Remote Service Usage Through Sip with Multimedia Access as a Use Case","authors":"Andreas Häber, Martin Gerdes","doi":"10.1109/PIMRC.2007.4394095","DOIUrl":"https://doi.org/10.1109/PIMRC.2007.4394095","url":null,"abstract":"The IP multimedia subsystem is under deployment, as an IP-based service control and access infrastructure, but how it interconnects with residential appliances is currently unclear. With IMS access for the residential appliances they can be used as both service consumers and service providers. In this paper we present a protocol which allows residential services to be remotely invoked, through the IMS, and consumed in a different network, along with a prototype implementation and early results. With our protocol services of two distinct service protocol systems can cooperate.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117040539","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
Towards Seamless Mobility Support with Cross-Layer Triggering 实现跨层触发的无缝移动支持
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2007-12-04 DOI: 10.1109/PIMRC.2007.4394848
J. Mäkelä
{"title":"Towards Seamless Mobility Support with Cross-Layer Triggering","authors":"J. Mäkelä","doi":"10.1109/PIMRC.2007.4394848","DOIUrl":"https://doi.org/10.1109/PIMRC.2007.4394848","url":null,"abstract":"This paper presents mechanisms for collecting and processing cross-layer information from mobile devices and networks. That information is further used to feed the handover decisions as a part of the seamless mobility support. This paper presents a mechanism called Trigger Management, developed within the EU's Ambient Network project, for collecting and processing cross-layer trigger information. The trigger management system is bound to the VERHO vertical handover controller system, enabling the handover decisions based on several input parameters.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"208 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121044959","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
Decentralized Fair Rate Control for Micro-Cellular CDMA System Reverse Link 微蜂窝CDMA系统反向链路的分散公平速率控制
IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI: 10.1109/PIMRC.2006.254201
Yong Zhang, Ting Xue
{"title":"Decentralized Fair Rate Control for Micro-Cellular CDMA System Reverse Link","authors":"Yong Zhang, Ting Xue","doi":"10.1109/PIMRC.2006.254201","DOIUrl":"https://doi.org/10.1109/PIMRC.2006.254201","url":null,"abstract":"A decentralized rate control algorithm is proposed to decide mobile stations? transmit rates for the reverse CDMA link. This decentralized algorithm outperforms the traditional proportional-fair algorithm in the micro-cellular environment especially, such as Manhattan street structure. In macro-cellular environment, the traditional proportional fair algorithm performs better, but the performance of the proposed algorithm is close to it. The objective is to maximize system throughput under the fairness restriction and minimize the forward link overhead. The proposed algorithm could reduce the system interference apparently and utilize the scarce radio resources more efficiently. The enhancement of system throughput is demonstrated through theoretical analysis and system level simulations.","PeriodicalId":161972,"journal":{"name":"IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121653154","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
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