2012 IV International Congress on Ultra Modern Telecommunications and Control Systems最新文献_第8页

Calculation of arc-disjoint trees in mixed-graph arbitrary mesh optical networks 混合图任意网状光网络中弧不相交树的计算

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459760

Costas K. Constantinou, G. Ellinas

引用次数: 2

Protected bicriteria paths in transport networks 传输网络中受保护的双标准路径

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459761

Teresa Gomes, Lúcia Martins, José Silva, N. Ferreira, J. Craveirinha, J. Clímaco, Ricardo Cadime, C. Monica

{"title":"Protected bicriteria paths in transport networks","authors":"Teresa Gomes, Lúcia Martins, José Silva, N. Ferreira, J. Craveirinha, J. Clímaco, Ricardo Cadime, C. Monica","doi":"10.1109/ICUMT.2012.6459761","DOIUrl":"https://doi.org/10.1109/ICUMT.2012.6459761","url":null,"abstract":"Resilient routing in transport networks requires the calculation of active paths (APs) and backup paths (BPs) to be used in the event of failures in the corresponding APs. Often it is not possible to ensure full end-to-end protection. Hence an AP is only an admissible solution if a BP can be calculated such that it shares a minimal number of common nodes with the AP. In the absence of node disjoint path pairs, the existence of parallel edges has to be taken into consideration, because parallel edges could ensure link protection between two adjacent nodes. The potential advantages of using multicriteria models in various routing contexts has been pointed out by several authors. In this paper we present a bicriteria optimization model for calculating APs with maximally disjoint BPs. A network performance study using a real transport network, enabling a comparison of the model results with those of the associated single criterion models, is carried out. The two considered metrics are hop count and load cost. Having calculated an AP, the best BP was subsequently obtained (using the same metric). The network was represented using a directed multi-graph, because the existence of parallel arcs between end nodes had to be explicitly addressed and connection requests for services with asymmetrical bandwidth requirements were also considered. A major objective of this work was the improvement of protected path selection, from a network management point of view, where an answer to clients requests for new connections, in transport networks, has to be answered in less than a second.","PeriodicalId":337446,"journal":{"name":"2012 IV International Congress on Ultra Modern Telecommunications and Control Systems","volume":"273 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116423561","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

MAC protocols for ultra-wideband ad hoc and sensor networking: A survey 用于超宽带自组织和传感器网络的MAC协议:综述

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459778

E. Karapistoli, D. Stratogiannis, Georgios I. Tsiropoulos, F. Pavlidou

引用次数: 14

A new algorithm for computing the projection matrix between a LIDAR and a camera based on line correspondences 基于线对应的激光雷达与相机投影矩阵计算新算法

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459706

Lipu Zhou, Zhidong Deng

引用次数: 7

Study of prevention mechanism in process control 过程控制中的预防机制研究

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459707

Hong Chen

引用次数: 2

New generation energy efficient WDM-PON system using spectrum slicing technology 采用频谱切片技术的新一代高能效WDM-PON系统

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459728

S. Spolitis, V. Bobrovs, G. Ivanovs

引用次数: 10

The Social Internet of Things and the RFID-based robots 社会物联网和基于rfid的机器人

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459769

C. Turcu, C. Turcu

引用次数: 24

A Monte Carlo sampling plan for estimating diameter-dependent network parameters 估计直径相关网络参数的蒙特卡罗采样方案

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459766

H. Cancela, F. Robledo, G. Rubino, Pablo Sartor

{"title":"A Monte Carlo sampling plan for estimating diameter-dependent network parameters","authors":"H. Cancela, F. Robledo, G. Rubino, Pablo Sartor","doi":"10.1109/ICUMT.2012.6459766","DOIUrl":"https://doi.org/10.1109/ICUMT.2012.6459766","url":null,"abstract":"When analyzing networks with failing components, certain performance parameters cannot be computed based just upon a binary division in “working” and “failed” network states. Parameters like perceived quality associated with delay times or costs per link usage are usually better expressed via several discrete categories (e.g. service levels ranging from “poor” or even “useless” to “excellent”). The classical reliability model assigns the network a binary state based on connectedness of a given set of distinguished nodes. A vast literature exists for computing and estimating the reliability defined as the expected value of the binary structure function associated with such states. Recent research has also considered diameter constraints yet keeping the binary character of the network state. This paper introduces a model for estimating non-binary discrete network parameters that depend on “distances” defined in terms of path lengths. The model considers an arbitrary number of states associated with such distances. It generalizes previously introduced Monte Carlo simulation methods for reliability estimation to consider other-than-binary distance-dependent states. The suggested method and efficiency improvements relative to crude Monte Carlo are illustrated with a numerical example.","PeriodicalId":337446,"journal":{"name":"2012 IV International Congress on Ultra Modern Telecommunications and Control Systems","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115495631","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

LTE transceiver performance analysis in Uplink under various environmental conditions LTE收发器在不同环境下的上行链路性能分析

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459780

M. Suarez, O. Zlydareva

引用次数: 15

Feasibility of centralized PON monitoring using PON-tuned OTDR PON调优OTDR集中监测的可行性

2012 IV International Congress on Ultra Modern Telecommunications and Control Systems Pub Date : 2012-10-01 DOI: 10.1109/ICUMT.2012.6459726

G. Temporão, G. Faria, J. P. Weid, P. Urban

引用次数: 2