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Hot topic: physical-layer network coding
We propose a physical-layer network coding (PNC) scheme to coordinate transmissions among nodes. Expand
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Physical Layer Network Coding
This paper has introduced a novel architecture called Physical-layer Network Coding (PNC) that significantly enhances the throughput performance of multi-hop wireless networks. Expand
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TCP Veno: TCP enhancement for transmission over wireless access networks
  • C. Fu, S. Liew
  • Computer Science
  • IEEE J. Sel. Areas Commun.
  • 19 February 2003
We propose and study a novel end-to-end congestion control mechanism called TCP Veno that is simple and effective for dealing with random packet loss. Expand
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Markov Approximation for Combinatorial Network Optimization
The Markov approximation framework studied in this paper is a general technique for synthesizing distributed algorithms. Expand
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Channel coding and decoding in a relay system operated with physical-layer network coding
  • Shengli Zhang, S. Liew
  • Computer Science, Mathematics
  • IEEE Journal on Selected Areas in Communications
  • 29 July 2008
This paper investigates link-by-link channel-coded PNC (physical layer network coding), in which a critical process at the relay is to transform the superimposed channel- coded packets received from the two end nodes (plus noise) to the network-coded combination of the source packets, S<sub>1</sub> oplus S <sub>2</sub>. Expand
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Back-of-the-Envelope Computation of Throughput Distributions in CSMA Wireless Networks
This work started out with our discovery of a pattern of throughput distributions among links in IEEE 802.11 networks from experimental results. Expand
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Solutions to performance problems in VoIP over a 802.11 wireless LAN
  • W. Wang, S. Liew, V. Li
  • Engineering, Computer Science
  • IEEE Transactions on Vehicular Technology
  • 24 January 2005
This paper proposes and investigates a scheme that can improve the VoIP capacity by close to 100% without changing the standard 802.11 CSMA/CA protocol. Expand
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Physical-layer network coding: Tutorial, survey, and beyond
We give a brief tutorial on the basic concept of physical-layer network coding (PNC) was proposed in 2006 for application in wireless networks. Expand
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A rate adaptation algorithm for IEEE 802.11 WLANs based on MAC-layer loss differentiation
We propose a new automatic rate fallback algorithm that can differentiate the two types of frame losses due to link errors and collisions over the wireless link can coexist and severely degrade the performance of the existing rate adaptation algorithms. Expand
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Improving Throughput and Fairness by Reducing Exposed and Hidden Nodes in 802.11 Networks
This paper proposes formal definitions of EN and HN in wireless networks (including wireless local area networks (WLANs) with multiple access points (APs) and ad hoc networks) based on a graph model. Expand
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