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The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.最新文献

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Offset companding technique for peak-to-average power ratio reduction of OFDM signals 降低OFDM信号峰均功率比的偏移扩展技术
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338437
Chia-Horng Liu
{"title":"Offset companding technique for peak-to-average power ratio reduction of OFDM signals","authors":"Chia-Horng Liu","doi":"10.1109/LANMAN.2004.1338437","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338437","url":null,"abstract":"An offset instantaneous digital companding scheme was proposed to reduce peak-to-average-power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) signal. The deliberate constant offsets were added in front of the compressor to reduce the dynamic range of the input signal. The performance of the proposed schemes were evaluated and compared with the other PAPR techniques by computer simulations. It was shown that the PAPR was effectively reduced using the proposed scheme.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"180 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133543446","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 service risk-management approach to capacity protection in optical networks 光网络容量保护的业务风险管理方法
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338404
N. Bambos, S. Gitzenis, R. A. Miura-Ko, O. Gerstel, L. Paraschis
{"title":"A service risk-management approach to capacity protection in optical networks","authors":"N. Bambos, S. Gitzenis, R. A. Miura-Ko, O. Gerstel, L. Paraschis","doi":"10.1109/LANMAN.2004.1338404","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338404","url":null,"abstract":"We introduce a probabilistic framework, based on service risk mitigation and disruption management, for the problem of capacity protection in optical networks. This contrasts the established deterministic approach of designing the protection network to guarantee no service disruption for up to M failures. We present the novel problem formulation and establish a framework for optimal network design in this extended abstract, while leaving the detailed optimization results and algorithms for the full paper (N. Bambos et al., 2003).","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130940978","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
Synthesis and analysis of fractal LAN traffic at high speeds 高速分形局域网流量的综合与分析
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338442
D. Rincón, Sergi Martinez, C. Cano, S. Sallent
{"title":"Synthesis and analysis of fractal LAN traffic at high speeds","authors":"D. Rincón, Sergi Martinez, C. Cano, S. Sallent","doi":"10.1109/LANMAN.2004.1338442","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338442","url":null,"abstract":"Although a lot of work has been done in the field of network traffic modeling since the discovery of its fractal properties (self-similarity, long-range dependence, and multifractality), most researches are usually focused on the theoretical aspects rather than on the practical ones. This paper describes a high-performance, simple, and inexpensive piece of software capable of generating and analyzing Ethernet traffic at high speeds (up to Gbit/s) using the new WinPcap architecture for Windows systems. The algorithm utilizes the discrete wavelet transform (DWT) for synthesis and analysis of fractal traffic based on stationary wavelet transform (SWT) and wavelet packet transform (WPT).","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124001918","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 cooperative academic and municipal metropolitan area network 一个合作的学术和市政城域网
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338395
T. Ryan
{"title":"A cooperative academic and municipal metropolitan area network","authors":"T. Ryan","doi":"10.1109/LANMAN.2004.1338395","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338395","url":null,"abstract":"This paper describes the partnership developed between the San Francsico-based educational institutions and the City of San Francisco to design, implement and maintain a metropolitan area network for academic and municipal purposes. The primary goal of this project is to create a network for use by all public educational and municipal departments within San Francisco by leveraging the resources of all organizations to the maximum extent possible.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132389630","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
An empirical analysis of dynamic bandwidth allocation using RCBR for streaming VBR video services 基于RCBR的流VBR视频业务动态带宽分配实证分析
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338425
M. Kishore, Yao-Jen Liang
{"title":"An empirical analysis of dynamic bandwidth allocation using RCBR for streaming VBR video services","authors":"M. Kishore, Yao-Jen Liang","doi":"10.1109/LANMAN.2004.1338425","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338425","url":null,"abstract":"Video-on-demand (VoD) is a service that allows people to view stored videos sent directly streaming from a VoD service provider over the broadband Internet. Conventionally, bandwidth reservation levels are defined using traffic descriptors that remain static over the entire playback duration of the video. Renegotiated constant bit rate (RCBR) mechanism [MSD97] indicated the wastefulness of using static reservation levels and proposed dynamic bandwidth allocation with periodically bandwidth renegotiation during any multimedia transmission sessions. Since this mechanism has been examined only via simulations and theoretical analysis, we have conducted empirical studies on a real test-bed with a VoD server and clients to study its performance. We show that under heavy bandwidth constraints the performance of RCBR is significantly better than traditional CBR in terms of packet loss rate.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124187939","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 mutual influence of data and video traffic in video-over-DSL services 视频- dsl业务中数据和视频流量的相互影响
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-25 DOI: 10.1109/LANMAN.2004.1338443
D. Rincón, Aristides Rib, S. Sallent
{"title":"On the mutual influence of data and video traffic in video-over-DSL services","authors":"D. Rincón, Aristides Rib, S. Sallent","doi":"10.1109/LANMAN.2004.1338443","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338443","url":null,"abstract":"Several European xDSL operators have launched or are going to launch video-over-DSL services in which the DSL link is shared by a data service (IP, UDP and TCP) and a video channel (typically an MPEG-2 flow). Since video is usually favored by assigning a higher priority (via a class-based scheduling discipline), TCP adapts itself to the fractal properties of the video flow, which is known to have a high level of fractality. This paper sets up a ns-2 simulation for the analysis of the mutual influence of video and data traffic in a DSL link and verifies the fractality propagation phenomenon. This paper also explains the fractality of the data transmitted from one traffic flow to another.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126790452","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
Study of asymmetric traffic influence on IEEE 802.11 WLAN family, enhancement proposals 研究非对称业务对IEEE 802.11 WLAN家族的影响，提出增强建议
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-04-01 DOI: 10.1109/LANMAN.2004.1338398
Elena López-Aguilera, J. Casademont, Josep Cotrina Navau
{"title":"Study of asymmetric traffic influence on IEEE 802.11 WLAN family, enhancement proposals","authors":"Elena López-Aguilera, J. Casademont, Josep Cotrina Navau","doi":"10.1109/LANMAN.2004.1338398","DOIUrl":"https://doi.org/10.1109/LANMAN.2004.1338398","url":null,"abstract":"This paper is focused on the study of WLAN performance in IEEE 802.11 networks that are in a situation of asymmetric traffic, where the access point (AP) transmits much more than the user stations (US). This situation is very different from the symmetric one, wherein all the stations have the same traffic load. The paper also presents a discussion of the different mechanisms in order to increase AP priority under the asymmetric traffic situation.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122664450","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
Packet aware transport for metro networks 城域网络的分组感知传输
The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004. Pub Date : 2004-03-01 DOI: 10.1109/MCOM.2004.1273783
T. Afferton, R. Doverspike, C. Kalmanek, K. Ramakrishnan
{"title":"Packet aware transport for metro networks","authors":"T. Afferton, R. Doverspike, C. Kalmanek, K. Ramakrishnan","doi":"10.1109/MCOM.2004.1273783","DOIUrl":"https://doi.org/10.1109/MCOM.2004.1273783","url":null,"abstract":"Today's metro networks have evolved from the need to support traditional voice and private line services and were optimized to support time division multiplexing (TDM) services. However, the growth of private line services is dominated by the access (also called \"backhaul\") to packet switches that provides frame relay, ATM, IP and Ethernet services. This paper provides a coherent architectural vision for metro access networks, which the author calls the packet-aware transport network (PATN). The PATN is designed to support the packet and TDM transport within metro areas in a scalable manner, and interfaces the inter-city packet and TDM transport backbone networks. Since the PATN supports the IETF pseudo-wire encapsulation (PWE) schemes for all packet access traffic, it is synergistic with the move towards a converged MPLS-based multi-service packet backbone network.","PeriodicalId":245218,"journal":{"name":"The 13th IEEE Workshop on Local and Metropolitan Area Networks, 2004. LANMAN 2004.","volume":"112 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131154269","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
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