Prof. Bo Li Profile

Prof. Bo Li

at Hong Kong Univ of Science and Technology

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Author

Publications (10)

Proceedings Article | 8 February 2005 Paper

Wavelength assignment in WDM networks with sparse-partial wavelength conversion

Xiaowen Chu, Bo Li

Proceedings Volume 5626, (2005) https://doi.org/10.1117/12.573422

KEYWORDS: Wavelength division multiplexing networks, Switches, Multiplexers, Computer programming, Computer simulations, Computer science, Lithium, Optical switching, Network architectures, Fiber optics

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Proceedings Article | 1 October 2003 Paper

Sparse-partial wavelength conversion in wavelength-routed all-optical networks

Xiaowen Chu, Bo Li, Zhensheng Zhang

Proceedings Volume 5285, (2003) https://doi.org/10.1117/12.533332

KEYWORDS: Network architectures, Radium, Wavelength division multiplexing networks, Optical networks, Computer science, Switches, Optical communications, Optical switching, Quantitative analysis, Dense wavelength division multiplexing

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Proceedings Article | 9 September 2002 Paper

Routing and wavelength assignment versus wavelength converters placement in all-optical networks

Bo Li, Xiaowen Chu, Kazem Sohraby, Michael Hatwick, Jeffrey Kang, Feng Li

Proceedings Volume 4910, (2002) https://doi.org/10.1117/12.482443

KEYWORDS: Radium, Computer simulations, Optical networks, Lithium, Data conversion, Circuit switching, Systems modeling, Optical communications, Electronics, Wavelength division multiplexing networks

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Proceedings Article | 22 August 2002 Paper

Resource management with service guarantee and differentiation in broadband multimedia-enabled wireless networks

Bin Li, Lizhong Li, Bo Li, Xiren Cao

Proceedings Volume 4911, (2002) https://doi.org/10.1117/12.480507

KEYWORDS: Data modeling, Control systems, Lithium, Multimedia, Bromine, Broadband telecommunications, Picosecond phenomena, Mobile communications, Networks, Chlorine

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Proceedings Article | 8 July 2002 Paper

Intra-and inter-session channel provisioning for video distribution in wireless networks with heterogeneous users

Jiangchuan Liu, Bo Li

Proceedings Volume 4868, (2002) https://doi.org/10.1117/12.475262

KEYWORDS: Receivers, Video, Computer programming, Video coding, Broadband telecommunications, Video compression, Internet, Systems modeling, Optimization (mathematics), Computer science

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Proceedings Article | 3 July 2002 Paper

Wavelength converter placement for different RWA algorithms in wavelength-routed all-optical networks

Xiaowen Chu, Bo Li, Imrich Chlamtac

Proceedings Volume 4874, (2002) https://doi.org/10.1117/12.475296

KEYWORDS: Radium, Computer simulations, Algorithm development, Computer science, Lithium, Wavelength division multiplexing, Optical networks, Data modeling, Computer engineering, Optical communications

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Sparse wavelength conversion and appropriate routing and wavelength assignment (RWA) algorithms are the two key factors in improving the blocking performance in wavelength-routed all-optical networks. It has been shown that the optimal placement of a limited number of wavelength converters in an arbitrary mesh network is an NP complete problem. There have been various heuristic algorithms proposed in the literature, in which most of them assume that a static routing and random wavelength assignment RWA algorithm is employed. However, the existing work shows that fixed-alternate routing and dynamic routing RWA algorithms can achieve much better blocking performance. Our study in this paper further demonstrates that the wavelength converter placement and RWA algorithms are closely related in the sense that a well designed wavelength converter placement mechanism for a particular RWA algorithm might not work well with a different RWA algorithm. Therefore, the wavelength converter placement and the RWA have to be considered jointly. The objective of this paper is to investigate the wavelength converter placement problem under fixed-alternate routing algorithm and least-loaded routing algorithm. Under the fixed-alternate routing algorithm, we propose a heuristic algorithm called Minimum Blocking Probability First (MBPF) algorithm for wavelength converter placement. Under the least-loaded routing algorithm, we propose a heuristic converter placement algorithm called Weighted Maximum Segment Length (WMSL) algorithm. The objective of the converter placement algorithm is to minimize the overall blocking probability. Extensive simulation studies have been carried out over three typical mesh networks, including the 14-node NSFNET, 19-node EON and 38-node CTNET. We observe that the proposed algorithms not only outperform existing wavelength converter placement algorithms by a large margin, but they also can achieve almost the same performance comparing with full wavelength conversion under the same RWA algorithm.

Proceedings Article | 9 August 2001 Paper

Effective wavelength assignment algorithms in a wavelength-routed network

Yang Qin, Chee Siew, Bo Li

Proceedings Volume 4599, (2001) https://doi.org/10.1117/12.436059

KEYWORDS: Genetic algorithms, Chemical elements, Optical networks, Wavelength division multiplexing, Genetics, Computer programming, Binary data, Switching, Transceivers, Algorithm development

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Proceedings Article | 22 September 2000 Paper

Multicast routing for wavelength-routed WDM networks with dynamic membership

Nen-Fu Huang, Te-Lung Liu, Yao-Tzung Wang, Bo Li

Proceedings Volume 4233, (2000) https://doi.org/10.1117/12.401817

KEYWORDS: Switches, Asynchronous transfer mode, Switching, Wavelength division multiplexing networks, Optical switching, Wavelength division multiplexing, Computer simulations, Optical networks, Broadband telecommunications, Local area networks

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Proceedings Article | 22 September 2000 Paper

QoS for virtual private networks (VPN) over optical WDM networks

Yang Qin, Krishna Sivalingam, Bo Li

Proceedings Volume 4233, (2000) https://doi.org/10.1117/12.401836

KEYWORDS: Optical networks, Wavelength division multiplexing, Digital Light Processing, Wavelength division multiplexing networks, Internet, Data conversion, Computer simulations, Light wave propagation, Network security, Switches

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Proceedings Article | 1 December 1995 Paper

Channel access protocols for high-speed LANs using WDM: a comparative study

Bo Li, Krishna Sivalingam

Proceedings Volume 2614, (1995) https://doi.org/10.1117/12.227840

KEYWORDS: Receivers, Transmitters, Wavelength division multiplexing, Stars, Local area networks, Control systems, Process control, Data transmission, Channel projecting optics, Optical components

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Showing 5 of 10 publications

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