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2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)最新文献

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Influence of biased sampling on mobile communication systems 偏采样对移动通信系统的影响
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829268
E. Jugl, H. Boche
{"title":"Influence of biased sampling on mobile communication systems","authors":"E. Jugl, H. Boche","doi":"10.1109/IZSBC.2000.829268","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829268","url":null,"abstract":"The phenomenon that the probability density function (PDF) of the velocity of the boundary-crossing subscribers is different from that of all other subscribers has already been known for a long time (called biased sampling). This paper investigates the implication of this phenomenon with regard to the channel holding time and thus to the signaling traffic. A significant impact on analytical performance evaluations of mobile communication systems can be observed.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128153953","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
Modelling the low-voltage power distribution network in the frequency band from 0.5 MHz to 30 MHz for broadband powerline communications (PLC) 宽带电力线通信(PLC)频段0.5 MHz至30 MHz低压配电网络建模
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829248
T. Bostoen, O. van de Wiel
{"title":"Modelling the low-voltage power distribution network in the frequency band from 0.5 MHz to 30 MHz for broadband powerline communications (PLC)","authors":"T. Bostoen, O. van de Wiel","doi":"10.1109/IZSBC.2000.829248","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829248","url":null,"abstract":"The low-voltage power distribution network is characterized in the frequency band from 0.5 MHz to 30 MHz for broadband powerline communications (PLC). Therefore the different cables that constitute the network are modelled by their per-unit-length parameters. These cable models are combined with the network topology to derive the PLC channel transfer function.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131938295","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: 29
Channel estimation and symbol detection for space-time codes in mobility conditions 移动条件下空时码的信道估计与符号检测
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829237
S. Perreau, L. White
{"title":"Channel estimation and symbol detection for space-time codes in mobility conditions","authors":"S. Perreau, L. White","doi":"10.1109/IZSBC.2000.829237","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829237","url":null,"abstract":"In this paper, we present a method for jointly estimating time varying channels and detecting the sequence of information bits for space-time codes. This work is motivated by the fact that the bandwidth and power efficiency of space-time codes can be significantly degraded in the presence of channel estimation errors due to mobility and multipath. Our method does not require the use of a training sequence or any statistical assumptions on the channel characteristics. We explicitly use the knowledge of the space-time codes and therefore, fully exploit their property of space/time diversity. We present in this draft simulation examples which show the ability of the algorithm to track variations of the channels.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132786228","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
MAP decoding of linear block codes based on a sectionalized trellis of the dual code 基于双码分段网格的线性分组码的MAP解码
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829262
P.J. Schreier, D. Costello
{"title":"MAP decoding of linear block codes based on a sectionalized trellis of the dual code","authors":"P.J. Schreier, D. Costello","doi":"10.1109/IZSBC.2000.829262","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829262","url":null,"abstract":"Block codes for use in turbo coding schemes provide an alternative to punctured convolutional codes when high rate component codes are needed. Since block codes have large, time-varying trellis diagrams, full maximum a posteriori (MAP) soft-in soft-out decoders are very complex. It is shown how to modify the MAP algorithm to utilize a sectionalized trellis diagram of the dual code for decoding, which minimizes computational complexity for high rate component codes. This paper also gives simulation results for some high rate block turbo codes.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"201 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116506825","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
Multicasting with multiuser detection in ad-hoc wireless networks 自组织无线网络中具有多用户检测的多播
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829227
C. Sankaran, A. Ephremides
{"title":"Multicasting with multiuser detection in ad-hoc wireless networks","authors":"C. Sankaran, A. Ephremides","doi":"10.1109/IZSBC.2000.829227","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829227","url":null,"abstract":"In this paper, we develop several multicast routing algorithms for wireless networks and compare their performance. Using a CDMA framework, we demonstrate how capacity results for multiuser detectors can be used to develop link power metrics for the routing problem.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129258820","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: 14
An efficient multiple access technique for wireless ATM networks with QoS guarantees 一种具有QoS保证的无线ATM网络的高效多址技术
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829265
D. Vali, L. Merakos
{"title":"An efficient multiple access technique for wireless ATM networks with QoS guarantees","authors":"D. Vali, L. Merakos","doi":"10.1109/IZSBC.2000.829265","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829265","url":null,"abstract":"The basic concepts of the MAC (medium access control) protocol and the underlying traffic scheduling algorithm developed within the ACTS (Advanced Communications Technologies and Services) project Magic WAND (Wireless ATM Network Demonstrator) are outlined. A novel multiple access technique for the radio interface of WAND is proposed. Simulation results, showing that the proposed technique significantly improves system performance, are also presented.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128029169","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
Interworking between independent PROFIBUSes through ATM networks 独立profibus通过ATM网络互通
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829245
O. Kunert
{"title":"Interworking between independent PROFIBUSes through ATM networks","authors":"O. Kunert","doi":"10.1109/IZSBC.2000.829245","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829245","url":null,"abstract":"Field buses have been developed to fulfil real-time requirements of applications related to factory automation. However, they can only cover geographical areas such as factory halls or buildings which causes the occurrence of many small segments in larger environments unable to communicate among each other. In order to reduce this drawback a possible solution is to connect those field bus segments using interworking devices and a backbone network. A suitable backbone could be an ATM network. An interworking concept based on PROFIBUS/ATM bridges is presented in this paper. Simulations of an example PROFIBUS system were performed in order to study overall system behavior, to evaluate the feasibility of the presented concept and to show its limitations concerning the range of PROFIBUS applications it is suited for.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"85 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132690400","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
BER evaluation for optical signals with combined EDFA and interference noise 结合EDFA和干扰噪声的光信号误码率评估
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829233
C. Weinert
{"title":"BER evaluation for optical signals with combined EDFA and interference noise","authors":"C. Weinert","doi":"10.1109/IZSBC.2000.829233","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829233","url":null,"abstract":"We investigate the effects of combined interference noise and Gaussian noise on the BER evaluation. For the case of one interference source and additional Gaussian noise we propose a method to identify the interference noise and to evaluate the correct BER by the method of modified Chernoff bounds.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132877080","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
Circularly polarized dielectric resonator antennas 圆极化介质谐振器天线
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829230
C. Hong, Chih-Yu Huang
{"title":"Circularly polarized dielectric resonator antennas","authors":"C. Hong, Chih-Yu Huang","doi":"10.1109/IZSBC.2000.829230","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829230","url":null,"abstract":"Sequential rotation has the advantage of getting wider circular polarization (CP) bandwidth while each element is of CP design. The proposed structure consists of two cylindrical dielectric resonator (DR) antennas place on a cross-slot in the ground plane of a microstrip line. The measured return loss patterns are presented. For the proposed design, a large CP bandwidth, determined from the 3-dB axial ratio, as high as 5.15%, is obtained. Details of the proposed antenna designs are described, and experimental results of the CP performance are presented and discussed.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130311255","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: 11
Nature of power line medium and design aspects for broadband PLC system 电力线介质的性质及宽带PLC系统的设计要点
2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475) Pub Date : 2000-02-15 DOI: 10.1109/IZSBC.2000.829250
Weilin Liu, H. Widmer, J. Aldis, T. Kaltenschnee, Ascom Systec
{"title":"Nature of power line medium and design aspects for broadband PLC system","authors":"Weilin Liu, H. Widmer, J. Aldis, T. Kaltenschnee, Ascom Systec","doi":"10.1109/IZSBC.2000.829250","DOIUrl":"https://doi.org/10.1109/IZSBC.2000.829250","url":null,"abstract":"Data communications with a data rate of several megabits per second over the most popular low-voltage electrical distribution network have been receiving tremendous interest for the last 2 or 3 years. This paper discusses the characteristics of the power line medium, which are relevant for broadband power line communications (PLC) systems. As an example, the concept of the Ascom PLC system, which was tested in a German power-line network for 6 months (March-September, 1999), and measurement results are presented.","PeriodicalId":409898,"journal":{"name":"2000 International Zurich Seminar on Broadband Communications. Accessing, Transmission, Networking. Proceedings (Cat. No.00TH8475)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130317724","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: 23
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