U.S.-Jordan Cooperative Research: Integrated Design of Channel Codes and Bandwidth Management Schemes for Optical Networks

0423277 Krunz描述：该项目支持亚利桑那大学电气和计算机工程系Marwan Krunz博士和约旦科技大学电气工程系Mohammad Banat博士的合作项目。 他们计划在NSF资助的项目范围内包括一个国际合作部分：ITR-下一代光网络的前向纠错码和协议（NSF Grant ANI-0325979）。该项目的目标是开发一个框架，在光网络中的联合错误控制/带宽管理。 该框架针对密集波分复用（DWDM）光纤系统，密集波分复用光纤系统已成为局域网、城域网和广域网的主要传输技术。 在DWDM中，光信号的质量受到各种信道非线性和自发辐射噪声的影响，这需要定制的前向纠错（FEC）技术。网络的不均匀性使得该问题进一步恶化，其形式是不同波长信道的传输速度可变，以及同一网络内不同节点的交换能力不同。 该方法是基于集成创新的FEC方案的自适应网络策略的设计。Banat教授为该项目带来了他在FEC和光信道调制技术方面的专业知识。 他以前曾研究过光信道中的相位噪声特性，并设计了适当的FEC码来减轻这种噪声的影响。 他还研究了使用伪随机光跳频的SCM/WDMA网络中的光拍频干扰（OBI）减少技术。 这种专业知识将有助于表征其他形式的非线性（例如，群速度色散、偏振模色散等）设计光信道的BIBD码。 此外，Banat教授在光信道扩频方案方面的专门知识（例如，光跳频）在当前研究中当研究具有异构节点的网络中的适当切换技术时将是有益的。 网络管理技术的研究将由Krunz进行，他的主要专长在于网络领域。范围和更广泛的影响：拟议的项目将通过与访问科学家一起参与研究，作为培训亚利桑那大学和JUST研究生的工具。PI之前招募了几位优秀的M.S.目前正在攻读博士学位的JUST毕业生在他的监督下在联合航空工作 在该项目支持下开发的软件将提供给广大研究界。 该项目所涵盖的专题将纳入UA和JUST的研究生课程。

0423277 KrunzDescription: This project supports a cooperative project by Dr. Marwan Krunz, Department of Electrical and Computer Engineering at the University of Arizona, Tucson, Arizona and Dr. Mohammad Banat, Department of Electrical Engineering, Jordan University of Science and Technology, Irbid, Jordan. They plan to include an international collaboration component in the scope of the NSF funded project: ITR- Forward Error Correction Codes and Protocols for Next-Generation Optical Networks (NSF Grant ANI-0325979). The goal of this project is to develop a framework for joint error control/bandwidth management in optical networks. This framework is aimed at dense wavelength division multiplexing (DWDM) fiber-optic systems, which have become the predominant transport technology for local, metropolitan, and wide area networks. In DWDM the quality of the optical signal is impacted by various channel nonlinearities and spontaneous emission noise that require tailored forward error correction (FEC) techniques. The problem is further exacerbated by the heterogeneity of the network in the form of variable transmission speeds for different wavelength channels and varying switching capabilities at different nodes within the same network. The approach is based on integrating innovative FEC schemes into the design of adaptive network strategies. Professor Banat brings to the project his expertise on FEC and modulation techniques for optical channels. He has previously worked on phase-noise characterization in optical channels and on designing appropriate FEC codes for mitigating the impact of such noise. He has also conducted research on optical beat interference (OBI) reduction techniques in SCM/WDMA networks using pseudorandom optical frequency hopping. This expertise will be useful in characterizing other forms of nonlinearities (e.g., group velocity dispersion, polarization mode dispersion, etc.) and designing BIBD codes for the optical channel. Furthermore, Professor Banat expertise on spread spectrum schemes for optical channels (e.g., optical frequency hopping) will be beneficial in the current research when investigating appropriate switching techniques in a network with heterogeneous nodes. The research on networking management techniques will be conducted by Krunz, whose main expertise lies in the area of networking. Scope and broader impacts: The proposed project will serve as a vehicle for the training of graduate students at the University of Arizona (UA) and JUST through participation in research with the visiting scientists. The PI has previously recruited several outstanding M.S. graduates from JUST, who are currently pursuing their Ph.D. work at UA under his supervision. Software developed under the support of this project will be made available to the research community at large. The topics covered in the project will be integrated into the curricula of graduate courses at UA and JUST.