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Wireless Network Coding in Two-Way Relay Channels
Dr. Petar Popovski, Seminar Series-Center for Wireless Communication and Signal Processing Research
Date: October 17, 2007 (Wednesday)
Time: 11:00 a.m. -12:00 Noon
Location: ECEC 202, NJIT
About the Presenter:
Petar Popovski received the Dipl.-Ing. in electrical engineering and M. Sc. in communication engineering from the Faculty of Electrical Engineering, Sts. Cyril and Methodius University, Skopje, Macedonia, in 1997 and 2000, respectively and a Ph. D. degree from Aalborg University, Denmark, in 2004. He is currently Assistant Research Professor at the Department of Electronic Systems at Aalborg University. His research interests are in the area of wireless communication and networking, in particular cross-layer protocol design, wireless relaying and cooperation techniques, cognitive radio.
About the Talk:
The advent of network coding has fundamentally changed the way in which the communication networks are designed. While the routing replicates a packet at a network node from an incoming to an outgoing link, the network coding relies on the combining of the communication flows at the intermediate (relay) nodes. It has recently been noted that the broadcast and unreliable nature of the wireless medium sets a fertile ground for developing wireless network coding solutions. In particular, the wireless multiple access channel provides opportunity to combine the communication flows at the physical layer, which gives rise to several novel communication modes. In this talk I will first introduce the basic ideas of network coding. Next, I will present four transmission modes for supporting two-way communication over a single relay node: Decode-and-forward, Amplify-and-forward, Joint-Decode-and-Forward and Denoise-and-Forward. Each mode implements some form of physical-layer network coding. Finally, I will outline the implications of the introduced schemes for more general scenarios.
Click here for the seminar archives
Note: All ECE MS thesis defense and Ph.D. dissertation (proposal) defense are counted towards ECE791.