2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)最新文献_第3页

RTL-level modeling of an 8B/10B encoder-decoder using SystemC 基于SystemC的8B/10B编码器rtl级建模

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542493

I. Aref, N. Ahmed, F. Rodríguez-Salazar, K. Elgaid

引用次数: 11

An Optimal Distributed Rate Control Algorithm based on NUM in Ad Hoc networks Ad Hoc网络中基于NUM的最优分布式速率控制算法

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542507

Cheng Qing-hua, Xu Zi-ping, Jing Ji-song, Huang Yong

引用次数: 0

The development of 3D multiplayer mobile racing games based on 3D photo satellite map 基于三维照片卫星地图的3D多人移动赛车游戏的开发

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542540

A. Basori, R. Sarno, S. Widyanto

引用次数: 6

Development of optical multifunctional switch 光多功能开关的研制

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542520

M. Ab-Rahman, M.T.M. Yusof

{"title":"Development of optical multifunctional switch","authors":"M. Ab-Rahman, M.T.M. Yusof","doi":"10.1109/WOCN.2008.4542520","DOIUrl":"https://doi.org/10.1109/WOCN.2008.4542520","url":null,"abstract":"A lossless, low-crosstalk and multifunction optical switch is most desirable for large-scale photonic network. To realize such a switch, we have introduced the new architecture of optical switch that embedded many functions on single device. With the use of MEMs technology has minimized the effect of crosstalk and return loss. The multifunctional device means the integration of single functional device onto one architecture and OXADM achieved the point with its unique architecture. With the 'accumulation' function, OXADM has widened its application to fiber to the home (FTTH) and network security system. The main function of OXADM is to reconfigure the optical channel path while implementing add and drop function simultaneously. The multifunctional OXADM can works as single optical devices such as multiplexer, demultiplexer, OXC, OADM, Wavelength Selective Coupler (WSC) and Wavelength Roundabout (WRB). With such the excellent features, the OXADM is expected to be unique, universal and with a high reliability that is used to overcome the various functions in WDM communication network today. The experimental results show the value of crosstalk and return loss is bigger than 60 dB and 40 dB respectively. In our previous results have also shown the value of insertion loss was less than 0.06 dB under ideal condition, the maximum length that can be achieved is 94 km. While when considering the loss, with the transmitter power of 0 dBm and sensitivity -22.8 dBm at a point-to-point configuration with safety margin, the required transmission is 71 km with OXADM. The OSNR measurements for every function of OXADM are also proposed with the values are bigger than 20 dB.","PeriodicalId":363625,"journal":{"name":"2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129736204","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

NBA: A novel broadcasting algorithm for wireless sensor networks 一种新的无线传感器网络广播算法

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542494

N. Ababneh, S. Selvakennedy, K. Almi'ani

引用次数: 4

Collision free priority assignment using gray code for single shared channel communication 使用灰色编码的无冲突优先级分配用于单共享信道通信

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542523

N. Hemanth, R. Gupta, H. Pandey, V.N. Govind Ram

引用次数: 0

Distance-based dynamically adjusted probabilistic forwarding for wireless mobile Ad Hoc Networks 无线移动Ad Hoc网络中基于距离的动态调整概率转发

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542500

I. Khan, A. Javaid, H. Qian

引用次数: 10

GPS-less localization protocol for underwater acoustic networks 水声网络无gps定位协议

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542532

A. Othman

{"title":"GPS-less localization protocol for underwater acoustic networks","authors":"A. Othman","doi":"10.1109/WOCN.2008.4542532","DOIUrl":"https://doi.org/10.1109/WOCN.2008.4542532","url":null,"abstract":"The problem of underwater positioning is increasingly crucial due to the emerging importance of sub-sea activities. Knowledge of node location is essential for many applications for which sensor networks can be used. At the surface, positioning problems have been resolved by the extended use of GPS, which is straightforward and effective. Unfortunately, using GPS in the sub-sea environment is impossible and positioning requires the use of special systems. One of the major challenges in the underwater acoustic networks (UANs) area of research is the development of a networking protocol that can cope with the management of a dynamic sub-sea network. We propose a scheme to perform node discovery, using only one seed node (primary seed) in a known position. The discovery protocol can be divided into two parts: First, building up the relative co-ordinate system. Second, involving more remote nodes becoming seed nodes for further discoveries. Four different algorithms have been investigated; (i) Farthest/Farthest Algorithm, (ii) Farthest/Nearest Algorithm, (iii) Nearest/Farthest Algorithm and (iv) Nearest/Nearest Algorithm. We investigated the performances of random network topologies. Different locations of primary seed node were exercised and statistics for node discovery will be reported.","PeriodicalId":363625,"journal":{"name":"2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125616906","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: 43

OXADM restoration schemes in CWDM metropolitan ring network CWDM城域环网OXADM恢复方案

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542486

M. Ab-Rahman, M.T.M. Yusof

{"title":"OXADM restoration schemes in CWDM metropolitan ring network","authors":"M. Ab-Rahman, M.T.M. Yusof","doi":"10.1109/WOCN.2008.4542486","DOIUrl":"https://doi.org/10.1109/WOCN.2008.4542486","url":null,"abstract":"We demonstrate a newly invented device named as optical cross add and drop multiplexer (OXADM) which designed with a combined concept of optical cross connect (OXC) and optical add drop multilexer (OADM). It is designed by improving all drawbacks appear in the previous device with some interesting features added. The OXADM node focuses on providing functionalities of transport, multiplexing, routing, supervision, termination and survivability in the optical layer for both ring and mesh topologies. The main function of OXADM is to reconfigure the optical channel path while implementing add and drop function simultaneously. The accumulation function offers by OXADM enable all transmitted signals to be multiplexed and routed in a single path. Meanwhile the 'U turn mechanism' can be implemented without the need of drop and re-add function. Hence, OXADM provide survivability in physical layer through restoration against failures by means of linear, multiplex and ring protection to both configurations. Hybrid restoration technique with OXADM enables the linear, ring and multiplex protection mechanism to be integrated in single optical network, and it will be activated according to the degree and types of failure. The paper calculates the OSNR according to the percentage of network failures and span variation. The method of this study involves the building and characterizing of two OXADMs, simulating by using Optisystem and modeling them analytically. Loss characterization and measured OSNR are compared with the analytical values. We also demonstrate OXADM optical switch mechanism with detail experimental set up explanation. Finally, the OSNR measurement of OXADM with respect of its function is also discussed.","PeriodicalId":363625,"journal":{"name":"2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)","volume":"47 33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126627865","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

QoS provisioning for real time services on DiffServ aware IPv6 optical network using IXP-2400 Intel Network 基于Intel IXP-2400网络的DiffServ感知IPv6光网络实时业务QoS提供

2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08) Pub Date : 2008-05-05 DOI: 10.1109/WOCN.2008.4542489

Kashif Saleem, N. Fisal, M. Zabidi

{"title":"QoS provisioning for real time services on DiffServ aware IPv6 optical network using IXP-2400 Intel Network","authors":"Kashif Saleem, N. Fisal, M. Zabidi","doi":"10.1109/WOCN.2008.4542489","DOIUrl":"https://doi.org/10.1109/WOCN.2008.4542489","url":null,"abstract":"Providing Quality of Service (QoS) and Traffic Engineering (TE) capabilities in the internet is essential, especially in supporting the requirement of real- time traffic, as well as mission critical applications. Differentiated Services (DiffServ) is an emerging technology that provides QoS and traffic engineering features in Internet Protocol (IP) Network by programming the IXP2400 Intel Network Processor. Since the introduction of the network processors, there have been a number of network services developed based on the special-built, packet processing optimized programmable microprocessors. This paper is mainly concerns on how to deploy DiffServ in order to assess priority functionalities. A scheduling mechanism was developed on the IXP2400 network processor to provide QoS by maintaining priority of incoming packets based on criteria i.e. class of packets and traffic. The queuing mechanism improves the QoS of the traffic at the expense of some performance degradation. To reduce the performance degradation, a cache unit has been added into the operation of the QoS mechanism to cut down SRAM access during the lookup operation. A performance study was then carried out to evaluate the performance of the QoS mechanism after adding the cache unit. The overall speed is enhanced and delay is minimized. At the same time, the mechanism can be implemented on the ENP-2611 Evaluation Board to verify the functionality of the application on hardware.","PeriodicalId":363625,"journal":{"name":"2008 5th IFIP International Conference on Wireless and Optical Communications Networks (WOCN '08)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131763046","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