2011 IEEE International Conference on Ultra-Wideband (ICUWB)最新文献_第10页

The effect of channel models on compressed sensing based UWB channel estimation 信道模型对基于压缩感知的UWB信道估计的影响

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058867

M. Başaran, S. Erkucuk, H. A. Çırpan

{"title":"The effect of channel models on compressed sensing based UWB channel estimation","authors":"M. Başaran, S. Erkucuk, H. A. Çırpan","doi":"10.1109/ICUWB.2011.6058867","DOIUrl":"https://doi.org/10.1109/ICUWB.2011.6058867","url":null,"abstract":"Ultra-wideband (UWB) multipath channels are assumed to have a sparse structure as the received consecutive pulses arrive with a considerable time delay and can be resolved individually at the receiver. Due to this sparse structure, there has been a significant amount of interest in applying the compressive sensing (CS) theory to UWB channel estimation. There are various implementations of the CS theory for the UWB channel estimation based on the assumption that the UWB channels are sparse. However, the sparsity of a UWB channel mainly depends on the channel environment. Motivated by this, in this study we investigate the effect of UWB channel environments on the CS based UWB channel estimation. Particularly, we consider the standardized IEEE 802.15.4a UWB channel models and study the channel estimation performance from a practical implementation point of view. The study shows that while UWB channel models for residential environments (e.g., CM1 and CM2) exhibit a sparse structure yielding a reasonable channel estimation performance, channel models for industrial environments (e.g., CM8) may not be treated as having a sparse structure due to multipaths arriving densely. The results of this study are important as it determines the suitability of different channel models to be used with the CS theory.","PeriodicalId":143107,"journal":{"name":"2011 IEEE International Conference on Ultra-Wideband (ICUWB)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123010833","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: 12

Markovian SS codes flatten the spectrum of UWB Gaussian pulse 马尔可夫SS码对超宽带高斯脉冲的频谱进行了平坦化处理

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058854

T. Kohda, Y. Jitsumatsu, K. Aihara

引用次数: 0

Performance of ultrawideband cooperative relay systems in the presence of narrowband interference 窄带干扰下超宽带协同中继系统性能研究

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058874

K. Maichalernnukul, T. Kaiser, Feng Zheng

引用次数: 3

Optimisation of low power Radio-over-fibre links for UWB systems 超宽带系统低功率光纤无线电链路的优化

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058919

V. Sipal, D. Edwards, B. Allen

引用次数: 0

Clock accuracy analysis for a coherent IR-UWB system 相干红外-超宽带系统的时钟精度分析

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058881

Xiaoyang Wang, A. Young, K. Philips, H. de Groot

引用次数: 1

Detect and avoid mechanism for ultra wide-band WiMedia: Experimental evaluation of detection capabilities 超宽带WiMedia的检测和避免机制:检测能力的实验评估

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058852

A. Somov, S. Kandeepan, A. Biswas, A. Krause

引用次数: 2

Simple method for localisation of multiple tag-free targets using UWB sensor network 使用超宽带传感器网络定位多个无标签目标的简单方法

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058843

R. Zetik, Snezhana Jovanoska, R. Thoma

引用次数: 33

Capacity regions of Wireless Network Coding with Hierarchical Decode & forward strategy applied on Impulse Radio UWB technology 在脉冲无线电UWB技术中应用分层解码转发策略的无线网络编码容量区域

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058849

T. Hynek, J. Sýkora

{"title":"Capacity regions of Wireless Network Coding with Hierarchical Decode & forward strategy applied on Impulse Radio UWB technology","authors":"T. Hynek, J. Sýkora","doi":"10.1109/ICUWB.2011.6058849","DOIUrl":"https://doi.org/10.1109/ICUWB.2011.6058849","url":null,"abstract":"This paper addresses a cooperative communication scheme in a simple multi-node network of two mutually independent sources communicating over a common shared relay. We assume an Impulse Radio Ultra-Wideband (UWB) communication technique employed by all network nodes which influences used model of a channel impulse response. The signal received at the relay is processed by a Hierarchical Decode & Forward (HDF) strategy. Due to properties of a Hierarchical eXclusive Code (HXC) it is sufficient for the relay to fully decode only hierarchical symbols. The capacity region of the HDF strategy has a rectangular shape and exceeds the capacity region of a Joint Decode & Forward (JDF) concept. We assume a projection to given subspace at the input of the relay receiver to reduce the dimensionality of the signal. Impact of the choice of the subspace is analyzed in this paper. Various subspaces with different level of the knowledge of a Channel State Estimation (CSE) are considered. For different particular channel realizations, according to the chosen channel model, we numerically evaluate the MAC channel capacity. For comparison we also evaluate the classical MAC region as well as the true information theoretic channel capacity.","PeriodicalId":143107,"journal":{"name":"2011 IEEE International Conference on Ultra-Wideband (ICUWB)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132691056","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

Performance analysis of code-multiplexed transmitted-reference ultra-wideband systems 码复用发射参考超宽带系统性能分析

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058806

M. E. Tutay, S. Gezici, H. Poor

引用次数: 3

Measured wideband near-field characteristics of an UWB RFID tag with On-Chip Antenna 带片上天线的超宽带RFID标签的宽带近场特性测量

2011 IEEE International Conference on Ultra-Wideband (ICUWB) Pub Date : 2011-10-24 DOI: 10.1109/ICUWB.2011.6058890

P. Gentner, Martin Wiessflecker, H. Arthaber, A. Scholtz, C. Mecklenbrauker

{"title":"Measured wideband near-field characteristics of an UWB RFID tag with On-Chip Antenna","authors":"P. Gentner, Martin Wiessflecker, H. Arthaber, A. Scholtz, C. Mecklenbrauker","doi":"10.1109/ICUWB.2011.6058890","DOIUrl":"https://doi.org/10.1109/ICUWB.2011.6058890","url":null,"abstract":"The combination of UWB Impulse Radio with RFID technology is proposed, implemented and analysed in this paper. For future RFID technologies, inexpensive and power efficient transceivers on the tag side are necessary for the application of Smart Dust and the Internet of Things. Therefore, we have designed and manufactured two silicon prototypes of a reconfigurable frontend of an UWB impulse radio transmitter with a total size of 1×1.3mm2. This includes an On-Chip Antenna which is manufactured in a standard CMOS. The centre frequency and the bandwidth of the radiated pulse are controllable as well as the data rate of the modulated signal. The embedded voltage controlled oscillator allows the characterisation of the On-Chip Antennas without the need of any external RF feeding structure. We emphasize this issue because RF feeding structures are inadequate for On-Chip Antenna measurements; they interfere heavily with the device under test. With this prototype we are able to perform antenna and communication characterisation measurements towards passive ultra wideband RFID tags.","PeriodicalId":143107,"journal":{"name":"2011 IEEE International Conference on Ultra-Wideband (ICUWB)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133774298","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