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Proceedings of GLOBECOM '95最新文献

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Dynamic model of prioritized handoff procedures for cellular mobile networks 蜂窝移动网络优先切换过程的动态模型
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.501981
P. Tan, E. Gunawan, C. Soh, B.H. Soong
{"title":"Dynamic model of prioritized handoff procedures for cellular mobile networks","authors":"P. Tan, E. Gunawan, C. Soh, B.H. Soong","doi":"10.1109/GLOCOM.1995.501981","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.501981","url":null,"abstract":"A dynamic model for cellular mobile networks with handoff feature is described in this paper. The procedure for handoff considered in our model is the prioritized scheme or reserved channel scheme. The dynamic model described in our paper is an analytical model. The dynamic behaviour of this model makes it suitable for analysing dynamic channel allocation methods as well as analysing the robustness of the system under perturbation. The concept of our model is based on the fluid flow theory and the queueing theory. Discrete event simulations were done and results were found to be comparable to analytical results.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128662199","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
On the performance of different detection techniques for OFDM-CDMA in fading channels OFDM-CDMA在衰落信道中不同检测技术的性能研究
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502768
S. Kaiser
{"title":"On the performance of different detection techniques for OFDM-CDMA in fading channels","authors":"S. Kaiser","doi":"10.1109/GLOCOM.1995.502768","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502768","url":null,"abstract":"The combination of orthogonal frequency division multiplexing (OFDM) with code division multiple access (CDMA) systems has attained increasing significance in mobile radio communications. In this paper basic OFDM-CDMA detection techniques based on simple equalization algorithms, and improved detection techniques, such as the newly proposed iterative detection applying the minimum mean square error (MMSE) criterion, are analyzed in the mobile radio environment. This analysis enables one a comparison between known and new OFDM-CDMA detection techniques in terms of spectral efficiency and receiver complexity.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128969741","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: 147
A novel group based common-receiver (GBCR) code protocol for CDMA wireless networks with improved throughput-delay performance 一种新的基于组的CDMA无线网络共接收机(GBCR)编码协议，提高了吞吐量-延迟性能
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.500379
X. Chen, N. Lim, J. Oksman
{"title":"A novel group based common-receiver (GBCR) code protocol for CDMA wireless networks with improved throughput-delay performance","authors":"X. Chen, N. Lim, J. Oksman","doi":"10.1109/GLOCOM.1995.500379","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.500379","url":null,"abstract":"A spreading code protocol (GBCR protocol) suitable for CDMA (packet radio) wireless data networks is proposed. The network is coordinated by a central station which maintains a database tracking each user's status. Users are divided into groups, each of which is assigned a \"group-based common\" code used by a source terminal to consult the central station for a destination status. Analytical results show that the proposed protocol can effectively improve network stability and throughput/delay performance.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124570219","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
Adaptation of a digital predistortion technique based on intersymbol interpolation 一种基于符号间插值的数字预失真技术
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.500340
Y. Lévy, G. Karam, H. Sari
{"title":"Adaptation of a digital predistortion technique based on intersymbol interpolation","authors":"Y. Lévy, G. Karam, H. Sari","doi":"10.1109/GLOCOM.1995.500340","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.500340","url":null,"abstract":"This paper investigates the performance of several adaptation strategies of a digital predistortion technique which efficiently compensates for power amplifier nonlinearities in bandwidth-efficient digital communication systems. The study includes the gradient algorithm in Cartesian coordinates, the gradient algorithm in polar coordinates, the predistorter optimization using averaging, as well as the computation of the adaptation terms at the receiver side and their feeding back to the transmitter using a return channel. Our results indicate that the best performance is achieved when the algorithm is implemented in polar coordinates and the adaptation terms are computed at the transmitter using an auxiliary local demodulator. Numerical results are given for a radio system employing the 32-QAM signal format.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129691242","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: 6
A new hierarchical architecture for multimedia distribution in integrated services networks 综合业务网络中多媒体分发的一种新的分层结构
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.501999
I.F. Akylidiz, W. Yen
{"title":"A new hierarchical architecture for multimedia distribution in integrated services networks","authors":"I.F. Akylidiz, W. Yen","doi":"10.1109/GLOCOM.1995.501999","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.501999","url":null,"abstract":"Due to their large bandwidth demand and synchronization requirements, multimedia applications, in general, consume huge buffer sizes which prevent potential customers from using multimedia services. We recognize the problem and propose a hierarchical architecture to reduce the buffer size. The architecture can be applied to both 1-n and n-n applications. We establish the architecture by first determining neighbor sets and then applying a grouping algorithm and renegotiation process. This architecture is also able to meet the synchronization requirements of multimedia applications. We evaluate the performance of the hierarchical architecture through simulation and compare with the direct connection architecture. The result shows that the hierarchical architecture reduces the buffer size significantly without serious penalty on the total bandwidth or introducing extra hot-spots.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130402376","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
SMARTNet: an all-optical wavelength-division meshed-ring packet-switching network SMARTNet:一种全光波分网环分组交换网络
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502709
I. Rubin, Hsing-kuo Hua
{"title":"SMARTNet: an all-optical wavelength-division meshed-ring packet-switching network","authors":"I. Rubin, Hsing-kuo Hua","doi":"10.1109/GLOCOM.1995.502709","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502709","url":null,"abstract":"We study an all-optical wavelength-division packet-switching meshed-ring local/metropolitan area network. This network architecture, known as SMARTNet (Scalable Multi-channel Adaptable Ring Terabit Network), offers a significant increase in the throughput capacity realized by any local/metropolitan area shared-medium network. It is ATM capable and takes best advantage of the kinds of high speed optoelectronic and optical components that can actually be constructed: very few ports, very simple routing decisions, and very little buffering. For symmetrical meshed-ring physical topologies, the number of required wavelengths and achievable network's throughput efficiency are investigated. A network configuration which employs 5 wavelength channels and exhibits a throughput efficiency level which is 80% higher than that realized by traditional (non-meshed) ring networks is demonstrated.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130484247","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: 19
USING NONLINEAR SPATIAL SEPERATION ALGORITHM FOR RECOVERING COMMUNICATION SIGNALS IN THE PRESENCEE O 利用非线性空间分离算法对存在的通信信号进行恢复
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.500341
P. Gorev
{"title":"USING NONLINEAR SPATIAL SEPERATION ALGORITHM FOR RECOVERING COMMUNICATION SIGNALS IN THE PRESENCEE O","authors":"P. Gorev","doi":"10.1109/GLOCOM.1995.500341","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.500341","url":null,"abstract":"","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126786912","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
A feasible architecture for high-speed synchronous CDMA distribution network using optical processing 一种基于光处理的高速同步CDMA配电网结构
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502716
Jianguo Zhang, W. Kwong, Lian-Kuan Chen, K. Cheung
{"title":"A feasible architecture for high-speed synchronous CDMA distribution network using optical processing","authors":"Jianguo Zhang, W. Kwong, Lian-Kuan Chen, K. Cheung","doi":"10.1109/GLOCOM.1995.502716","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502716","url":null,"abstract":"We propose a feasible architecture to implement tunable all-optical synchronous CDMA networks. Such a network is simply based on single rapidly tunable optical delay-lines and requires only a small number of electro-optic switches. Fast coding and decoding algorithms for synchronous prime-sequence codes are described. By using the proposed technique, all-optical synchronous CDMA networks can be constructed by integrated optics and can achieve a very high processing speed.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129115318","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
Issues on the evolution towards satellite personal communication networks 关于向卫星个人通信网络演进的问题
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.501985
F. Ananasso, F. D. Priscoli
{"title":"Issues on the evolution towards satellite personal communication networks","authors":"F. Ananasso, F. D. Priscoli","doi":"10.1109/GLOCOM.1995.501985","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.501985","url":null,"abstract":"The paper describes the evolutionary trend from mobile to personal satellite communications. In addition to summarizing technical/market parameters of present-day (GEO) mobile satellite systems (MSS) and MSS under development (INMARSAT network, ESA PRODAT and MSBN, OmniTRACS/EutelTRACS, American and Asia-Pacific systems, ....), the key characteristics of the future MSS scenarios are identified in an Universal Mobile Telecommunication System (UMTS) perspective. Such characteristics substantially deal with satellite cell and satellite location area concepts, fixed earth station (FES) configuration, the integration level between terrestrial and satellite segment, and mobility procedures (cell selection/reselection, handover). As for the present-day MSS, the current situation of \"little\", \"big\" and \"super\" LEOs is depicted, identifying issues to be addressed when designing and implementing satellite personal communication networks (S-PCN). INMARSAT plans to deploy the \"Standard-P\" system are also indicated. As for the future MSS the possible alternative solutions are outlined and the relevant tradeoffs are identified and discussed.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123836728","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
Multi-tera-bit/s switch based on burst transfer and independent shared buffers 基于突发传输和独立共享缓冲区的多兆比特/秒开关
Proceedings of GLOBECOM '95 Pub Date : 1995-11-14 DOI: 10.1109/GLOCOM.1995.502704
M. Beshai, E. Munter
{"title":"Multi-tera-bit/s switch based on burst transfer and independent shared buffers","authors":"M. Beshai, E. Munter","doi":"10.1109/GLOCOM.1995.502704","DOIUrl":"https://doi.org/10.1109/GLOCOM.1995.502704","url":null,"abstract":"The paper introduces an ATM-switch architecture growable to multi-tera-bit/s. The main advantage of the proposed switch is the simplicity of control and high performance at both the call and cell levels. The switch meets the basic requirements that cells be delivered in the proper order, and that the rate of any individual connection can be as high as the inlet-port rate.","PeriodicalId":152724,"journal":{"name":"Proceedings of GLOBECOM '95","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123839126","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
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