European Transactions on Telecommunications最新文献_第6页

A new statistical method for detecting network anomalies in TCP traffic 一种检测TCP流量中网络异常的统计方法

European Transactions on Telecommunications Pub Date : 2010-11-01 DOI: 10.1002/ett.1432

C. Callegari, Sandrine Vaton, M. Pagano

引用次数: 13

Relay association method for optimal path in IEEE 802.16j mobile multi-hop relay networks IEEE 802.16j移动多跳中继网络中最优路径的中继关联方法

European Transactions on Telecommunications Pub Date : 2010-11-01 DOI: 10.1002/ett.1419

Sojeong Ann, H. Kim

引用次数: 15

Pre-LNA smart soft antenna selection for MIMO spatial multiplexing/diversity system when amplifier/sky noise dominates 放大器/天空噪声占主导的MIMO空间复用/分集系统的预lna智能软天线选择

European Transactions on Telecommunications Pub Date : 2010-11-01 DOI: 10.1002/ett.1430

J. Ahmadi-shokouh, S. H. Jamali, S. Safavi-Naeini

引用次数: 6

Covariance precoding schemes for MIMO OFDM over transmit-antenna and path-correlated channels 发射天线和路径相关信道上MIMO OFDM的协方差预编码方案

European Transactions on Telecommunications Pub Date : 2010-11-01 DOI: 10.1002/ett.1429

Y. Fu, W. Krzymień, C. Tellambura

{"title":"Covariance precoding schemes for MIMO OFDM over transmit-antenna and path-correlated channels","authors":"Y. Fu, W. Krzymień, C. Tellambura","doi":"10.1002/ett.1429","DOIUrl":"https://doi.org/10.1002/ett.1429","url":null,"abstract":"This paper considers covariance-feedback based linear precoding (LP) and nonlinear Tomlinson–Harashima precoding (THP) for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems. Orthogonal space–time block coded (OSTBC)‡ OFDM and spatially-multiplexed (SM)§ OFDM are analysed. The main objective is to design precoders to mitigate the impact of transmit-antenna and path correlations. The impact of path correlations on the pairwise error probability (PEP) of MIMO OFDM is also analysed. Closed-form, waterfilling-based covariance precoders are derived to minimize the worst case PEP in OSTBC OFDM. An adaptive transmission strategy is also developed for switching between precoded SM OFDM and precoded OSTBC OFDM. The switching criterion is the minimum Euclidean distance of the received codebook. The switching decision sent to the transmitter requires one feedback bit per subcarrier. The proposed precoders considerably reduce the error rate in antenna and path-correlated channels; nonlinear precoders perform better than linear precoders. We show that the adaptive strategy can achieve full diversity gain, and it outperforms either SM or OSTBC applied individually in terms of the bit error rate (BER). Copyright © 2010 John Wiley & Sons, Ltd.","PeriodicalId":50473,"journal":{"name":"European Transactions on Telecommunications","volume":"28 1","pages":"611-623"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91276599","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: 7

Probabilistic signal shaping in MIMO OFDM via successive candidate generation MIMO OFDM中通过连续候选生成的概率信号整形

European Transactions on Telecommunications Pub Date : 2010-11-01 DOI: 10.1002/ett.1416

R. Fischer, C. Siegl

引用次数: 2

The persistent congestion problem of FAST-TCP: analysis and solutions FAST-TCP的持续拥塞问题分析与解决方法

European Transactions on Telecommunications Pub Date : 2010-10-01 DOI: 10.1002/ett.1407

M. Rodríguez-Pérez, S. Herrería-Alonso, M. Fernández-Veiga, C. López-García

引用次数: 4

Power efficiency of thin clients 瘦客户机的电源效率

European Transactions on Telecommunications Pub Date : 2010-10-01 DOI: 10.1002/ett.1431

W. Vereecken, L. Deboosere, P. Simoens, B. Vermeulen, D. Colle, Chris Develder, M. Pickavet, B. Dhoedt, P. Demeester

引用次数: 18

Ethernet label spaces dependency on network topology 以太网标签空间依赖于网络拓扑结构

European Transactions on Telecommunications Pub Date : 2010-10-01 DOI: 10.1002/ett.1412

L. F. Caro, D. Papadimitriou, J. Marzo

{"title":"Ethernet label spaces dependency on network topology","authors":"L. F. Caro, D. Papadimitriou, J. Marzo","doi":"10.1002/ett.1412","DOIUrl":"https://doi.org/10.1002/ett.1412","url":null,"abstract":"Label space consumption has been studied in label-based forwarding architectures such as multi-protocol label switching (MPLS) to reduce forwarding table sizes and lookup complexity, to simplify network management, and to limit operational expenditures. On the other hand, nowadays label-based forwarding is also considered in the context of carrier class Ethernet architectures. Given that these architectures may use different label scopes (domain-wide vs. local) and size spaces (depending on their encoding), there is a need to analyse and compare the properties of their respective label spaces, particularly in terms of scalability. In this paper, the impact of topology characteristics on label space consumption is studied. The dependency on factors such as the number of nodes, the topology node degree and the network structure is determined (both analytically and via experimentation), allowing a detailed comparison between the properties of the evaluated label spaces. Proposed techniques that can be applied to improve label space usage for label-based Ethernet forwarding architectures are considered. The proposed methodology and results can serve as guidelines for the design of future label based forwarding architectures. Copyright © 2010 John Wiley & Sons, Ltd.","PeriodicalId":50473,"journal":{"name":"European Transactions on Telecommunications","volume":"86 1","pages":"491-503"},"PeriodicalIF":0.0,"publicationDate":"2010-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89597891","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

Uplink scheduling in LTE systems using distributed base stations 使用分布式基站的LTE系统中的上行链路调度

European Transactions on Telecommunications Pub Date : 2010-10-01 DOI: 10.1002/ett.1408

E. Yaacoub, Z. Dawy

{"title":"Uplink scheduling in LTE systems using distributed base stations","authors":"E. Yaacoub, Z. Dawy","doi":"10.1002/ett.1408","DOIUrl":"https://doi.org/10.1002/ett.1408","url":null,"abstract":"3GPP, 2006, 25814 3GPP TR; *ALC LUC, 2008, ALC LUC UNV 3G CDMA; *ALC LUC, 2008, ALC LUC EXP 3G W CDM; [Anonymous], 2008, 36213 3GPP TS; Calabrese F., 2008, P IEEE VEH TECHN C S; CHOI W, 2005, P INT C WIR NETW COM; Choi W, 2007, IEEE T WIREL COMMUN, V6, P69, DOI 10.1109-TWC.2007.05207; CLARK MV, 2001, P IEEE VEH TECHN C S; *CPRI, 2004, CPRI SPEC COMM PUBL; DAI L, 2002, P IEEE GLOB TAIP TAI; Dai L, 2005, IEEE T WIREL COMMUN, V4, P2613, DOI 10.1109-TWC.2005.858011; Ekstrom H, 2006, IEEE COMMUN MAG, V44, P38, DOI 10.1109-MCOM.2006.1607864; Gao L, 2008, IEEE T WIREL COMMUN, V7, P1507, DOI 10.1109-TWC.2008.061059; HADISUSANTO Y, 2008, P IEEE GLOB NEW ORL; HASEGAWA R, 2003, P IEEE VEH TECHN C F; HIGHSMITH WR, 2002, P IEEE SOUTH COL S C; Huang JW, 2009, IEEE J SEL AREA COMM, V27, P226, DOI 10.1109-JSAC.2009.090213; Kim K, 2005, IEEE COMMUN LETT, V9, P526, DOI 10.1109-LCOMM.2005.06018; LEROUX P, 2008, P INT C ADV TECHN CO; LIM J, 2006, P IEEE VEH TECHN C F; LUNTTILA T, 2007, P INT S WIR PERV COM; MYUNG HG, 2008, SINGLE CARRIER FDMA; Myung HG, 2006, IEEE VEH TECHNOL MAG, V1, P30, DOI 10.1109-MVT.2006.307304; Ng CY, 2008, IEEE T WIREL COMMUN, V7, P1667, DOI 10.1109-TWC.2008.060723; Qiu XX, 1999, IEEE T COMMUN, V47, P884; ROH W, 2002, P IEEE VEH TECHN C F; SALEH AAM, 1987, IEEE T COMMUN, V35, P1245, DOI 10.1109-TCOM.1987.1096716; SCHUH RE, 2002, P IEEE VEH TECHN C S; Song GC, 2005, IEEE T WIREL COMMUN, V4, P625, DOI 10.1109-TWC.2004.843067; Song GC, 2005, IEEE T WIREL COMMUN, V4, P614, DOI 10.1109-TWC.2004.843065; WANG X, 2008, P IEEE INT S INF THE; Wong CY, 1999, IEEE J SEL AREA COMM, V17, P1747; Wong IC, 2008, IEEE T WIREL COMMUN, V7, P962, DOI 10.1109-TWC.2008.060718; Wong IC, 2009, IEEE T WIREL COMMUN, V8, P2161, DOI 10.1109-TWC.2009.061038; Wu H., 2007, P IEEE INT S PERS IN; YAACOUB E, 2009, P IEEE WIR COMM NETW; YAACOUB E, 2009, P IEEE INT S COMP CO; ZHANG J, 2007, P IEEE GLOB WASH DC; Zhang J, 2008, IEEE T WIREL COMMUN, V7, P3636, DOI 10.1109-TWC.2008.070425","PeriodicalId":50473,"journal":{"name":"European Transactions on Telecommunications","volume":"51 1","pages":"532-543"},"PeriodicalIF":0.0,"publicationDate":"2010-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86171085","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: 18

Cost-effective upgrade of WDM all-optical networks using overlay fibres and hop reduction links 采用覆盖光纤和跳数减少链路的WDM全光网络的经济有效升级

European Transactions on Telecommunications Pub Date : 2010-10-01 DOI: 10.1002/ett.1444

F. Farjady, K. Kim, N. E. Dahdah, N. Doran

引用次数: 7