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2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)最新文献

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High Speed Multi-Hop Data Dissemination for Heterogeneous Transmission Ranges in VANETs vanet中异构传输范围的高速多跳数据分发
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324457
M. Alotaibi, H. Mouftah
{"title":"High Speed Multi-Hop Data Dissemination for Heterogeneous Transmission Ranges in VANETs","authors":"M. Alotaibi, H. Mouftah","doi":"10.1109/ICUWB.2015.7324457","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324457","url":null,"abstract":"In multi-hop dissemination a timer-based and a probabilistic methods are the high performing methods in Vehicular Ad-hoc Networks (VANETs), due to simplicity, low overhead, and high efficiency. However, such approaches neglect the fact that vehicles transmission ranges are typically heterogeneous due to different transmission power values. In our previous work, we introduce new area-based methods for heterogeneous transmission ranges in vehicle networks, i.e. Area Defer Transmission (ADT), Area-based Probabilistic Transmission (APT), and an integration of area-based timer and probabilistic transmission methods. ADT proves it efficiency over distance-based methods, and the probabilistic version due to high delivery ratio, high propagation speed and reachability. The work is extended and we introduce an enhancement of ADT defer time formula. The enhancement gives vehicles with larger potential coverage area high opportunity to relay the message than the one with small potential coverage area or small communication range. The performance of the proposed enhancement is compared to ADT and evaluated using an actual road map with complex road scenarios and real movement traces. The simulation results show that the dissemination speed improves dramatically, with better saved-retransmission and delivery ratio.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115975266","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
A CMOS Duty-Cycled Coherent RF Front-End IC for IR-UWB Systems 一种用于IR-UWB系统的CMOS占空比相干射频前端IC
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324396
L. Ouvry, G. Masson, F. Hameau, B. Gaillard, B. Caillat
{"title":"A CMOS Duty-Cycled Coherent RF Front-End IC for IR-UWB Systems","authors":"L. Ouvry, G. Masson, F. Hameau, B. Gaillard, B. Caillat","doi":"10.1109/ICUWB.2015.7324396","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324396","url":null,"abstract":"Current consumption of an IR-UWB receiver is reduced thanks to duty-cycling techniques applied to the full analog chain, thus benefiting from the impulsive nature of the signal. The coherent architecture performs down conversion by mixing the incoming pulse with a locally generated 2.75ns pulse template and needs only a 1GHz frequency synthesis instead of a power hungry 4 or 8 GHz LO. Duty cycling with sub-ns settling time enables up to 82% current savings for the front-end at a 15.6MHz pulse repetition frequency. To operate in a strong interference environment, an optional 4th order Gm-C filter may be switched on. The receiver for IR-UWB communications and ranging is implemented in CMOS 130nm and measurement results confirm the expectations.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123207234","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
3-Element Sectorial Fermi Tapered Slot Antenna with Sin-Corrugation 带有正弦波纹的三单元扇形费米锥形槽天线
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324391
Sitsofe Kudjoe Dorvlo, Z. Briqech, A. Sebak
{"title":"3-Element Sectorial Fermi Tapered Slot Antenna with Sin-Corrugation","authors":"Sitsofe Kudjoe Dorvlo, Z. Briqech, A. Sebak","doi":"10.1109/ICUWB.2015.7324391","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324391","url":null,"abstract":"A low cost 3-element sectorial fermi taper slot antenna configuration with sin-corrugation is designed at 28GHz. The elements can be illuminated individually based on the direction of the transmitter. In the proposed antenna structure each element produces a high gain of 15dB, a wide impedance bandwidth, a side-lobe levels less than -12.5dB, and an overall line of sight beam-width of +45 degrees. Given the properties of the antenna configuration, suitable applications for this structure would be 5G applications.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123287083","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
Statistical Modeling of 60 GHz Wireless Channel in an Underground Mine Gallery 地下巷道60ghz无线信道的统计建模
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324515
S. Tariq, C. Despins, S. Affes, C. Nerguizian
{"title":"Statistical Modeling of 60 GHz Wireless Channel in an Underground Mine Gallery","authors":"S. Tariq, C. Despins, S. Affes, C. Nerguizian","doi":"10.1109/ICUWB.2015.7324515","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324515","url":null,"abstract":"In this work, 60 GHz radio wave propagation mea- surements at 40 m underground mine gallery and its statistical modeling are presented. Different antennas such as horn and omnidirectional with horizontal (H) and vertical (V) polarizations employing 0.46 ns time resolution have been considered during the campaign. Results that vertical polarization, a higher number of multipath higher RMS (root mean square) delay spread value horizontal polarization. Statistical modeling of multipath profiles that path arrival follows the modified Poisson distribution while path amplitude satisfies mostly the Lognormal distribution.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132484475","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
The Impact of Filtering Function on the Design of CMOS Ultra Wideband Filters 滤波功能对CMOS超宽带滤波器设计的影响
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324518
A. Saadi, M. Yagoub, R. Touhami, A. Slimane, A. Taibi, M. Belaroussi
{"title":"The Impact of Filtering Function on the Design of CMOS Ultra Wideband Filters","authors":"A. Saadi, M. Yagoub, R. Touhami, A. Slimane, A. Taibi, M. Belaroussi","doi":"10.1109/ICUWB.2015.7324518","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324518","url":null,"abstract":"This paper provides a large comparison on filtering functions involved in the design of integrated ultra-wideband (UWB) bandpass filters; the aim being to offer designers with an efficient design tool while considering a CMOS technology implementation. Based on major key design parameters, the comparative study enabled deducing that Elliptic, Chebyshev-inverse, and Hourglass functions are the most suitable for UWB operation by exhibiting good performance, i.e., enhanced selectivity, large bandwidth covering the entire frequency range (3.1-10.6GHz), good matching and flatness in the desired band, as well as small variation group delay. Furthermore, applied to the 0.18-μm CMOS technology, the impact of the latter functions on the easiness of implementation in integrated passive device (IPD) technologies and filtering performance was also investigated.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"187 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129662102","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
Communications Employing 1-Bit Quantization and Oversampling at the Receiver: Faster-Than-Nyquist Signaling and Sequence Design 接收机采用1位量化和过采样的通信:比奈奎斯特信号和序列设计更快
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324426
L. Landau, Meik Dörpinghaus, G. Fettweis
{"title":"Communications Employing 1-Bit Quantization and Oversampling at the Receiver: Faster-Than-Nyquist Signaling and Sequence Design","authors":"L. Landau, Meik Dörpinghaus, G. Fettweis","doi":"10.1109/ICUWB.2015.7324426","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324426","url":null,"abstract":"From circuit perspective, the resolution in time domain might be less difficult to achieve as compared to resolution in amplitude domain. Especially when considering Multigigabit communication the resolution in amplitude has remarkable power consumption. In this investigation some practical communication designs are proposed which exploit the utilization of 1- bit quantization and oversampling at the receiver. The proposed approach is the employment of faster- than-Nyquist QPSK signals in combination with an appropriate sequence design. Two sequence design strategies are proposed, namely the utilization of run-length limited sequences and the utilization of an optimized Markov source via an expectation based Blahut-Arimoto algorithm. Numerical results on the achievable data rate are computed based on an auxiliary channel lower bound which becomes tight in the high SNR regime. The results on the proposed methods and especially the run-length limited sequence based approach show superior performance in terms of achievable rate and spectral efficiency as compared to conventional signaling with independent and uniformly distributed symbols. Furthermore the performance is close to and even above as compared to an analytical result on the achievable rate when sampling the sign of a specific bandlimited process.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129685482","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: 20
Ultra-Wideband Radar Diffraction Approximation for Dielectric Edges 介质边缘的超宽带雷达衍射近似
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324523
B. Friederich, T. Schultze, I. Willms
{"title":"Ultra-Wideband Radar Diffraction Approximation for Dielectric Edges","authors":"B. Friederich, T. Schultze, I. Willms","doi":"10.1109/ICUWB.2015.7324523","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324523","url":null,"abstract":"In this paper, a diffraction simulation for dielectric edges is introduced. The simulation is based on geometrical theory of diffraction (GTD) and is implemented as an improvement of the millimeter-wave surface characterization. This material characterization technique has been introduced in [1] and uses the microwave ellipsometry. The subject of current investigations is the usage of autonomous security robots for the detection of hot spots, the localization and characterization of objects. These robots should support fire brigades or disaster relief teams by millimeter-wave surface characterization. The developed technique was inspired by the established optical ellipsometry. The optical characterization technique does not consider the effect diffraction at the edges of the surface. Hence, the ellipsometry is limited to large surfaces where the diffraction effects can be neglected, but for the supposed application it is necessary to compensate these effects.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125300299","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
Confidential Network Coding: Physical Layer vs. Network Layer 机密网络编码:物理层与网络层
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324428
Stefan Pfennig, Elke Franz, J. Richter, Christian Scheunert, Eduard Axel Jorswieck
{"title":"Confidential Network Coding: Physical Layer vs. Network Layer","authors":"Stefan Pfennig, Elke Franz, J. Richter, Christian Scheunert, Eduard Axel Jorswieck","doi":"10.1109/ICUWB.2015.7324428","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324428","url":null,"abstract":"In all kind of information exchange, security is essential. One protection goal that has to be enforced is confidentiality. In state-of-the-art protocols, messages are encrypted before they are transmitted to ensure their confidentiality. However, incorporating novel technologies like network coding allows for more efficient solutions. Within this article, we compare different solutions for confidential communication by means of network coding at physical layer and at network layer. We discuss security, efficiency, and computational complexity of these approaches. The results allow to draw conclusions about the choice of a suited communication scheme depending on the system model and the relevant parameters.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129201761","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
A New Transmission Protocol for Cooperative Communications 一种新的协作通信传输协议
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-12 DOI: 10.1109/ICUWB.2015.7324407
Hua-An Zhao
{"title":"A New Transmission Protocol for Cooperative Communications","authors":"Hua-An Zhao","doi":"10.1109/ICUWB.2015.7324407","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324407","url":null,"abstract":"Cooperative wireless communication is a hot research area for attaining diversity through virtual antenna array that is formed by sharing resources among different users.Different strategies of resource utilization such as amplify-and-forward (AF) and decode-and-forward (DF) already exist in cooperative networks.Although the implementation of these strategies is simple, their utilization of the channel state information (CSI) is generally poor.In this paper a new strategy, based on the previously existing ones, called CSI directed estimate and forward (CDEF) with estimate domain reduction is proposed.A closed form solution for the optimal signal estimation at the relay using minimum mean square error (MMSE) as well as a possible set reduction of the estimation domain is given. We will show that this new strategy attains better symbol error rate (SER) and outage performance than AF and DF.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126125093","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
Sleep-Apnea Detection with UWB Active Sensors 用超宽带有源传感器检测睡眠呼吸暂停
2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB) Pub Date : 2015-11-10 DOI: 10.1109/ICUWB.2015.7324512
Giulia Fedele, E. Pittella, S. Pisa, M. Cavagnaro, R. Canali, M. Biagi
{"title":"Sleep-Apnea Detection with UWB Active Sensors","authors":"Giulia Fedele, E. Pittella, S. Pisa, M. Cavagnaro, R. Canali, M. Biagi","doi":"10.1109/ICUWB.2015.7324512","DOIUrl":"https://doi.org/10.1109/ICUWB.2015.7324512","url":null,"abstract":"Sleep apnea is a disorder that is characterized by medium/long pauses in breathing or instances of shallow or infrequent breathing during sleep usually associated to bradicardy. Each pause in breathing, named apnea, can last from several seconds to several minutes and it can cause also death in infants within six months of age. In order to solve such an issue, we propose a monitoring and alert system based on an Ultra Wide Band transceiver. The radar is equipped with two transmit/receive antennas and it is able to acquire the reflections coming from patient breast and analyze his/her breath so as to detect apnea when it occurs. We perform tests on a real environment to evaluate the validity of the proposed approach.","PeriodicalId":339208,"journal":{"name":"2015 IEEE International Conference on Ubiquitous Wireless Broadband (ICUWB)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133280776","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
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