24 citations · 43 across the 5 of their papers we have counts for
Showing 2008Show all
3 papers · 1 filter
cs.IT2008★ 5 cited
Rateless Coding for MIMO Block Fading Channels
Yijia Fan, Lifeng Lai, Elza Erkip +1
In this paper the performance limits and design principles of rateless codes over fading channels are studied. The diversity-multiplexing tradeoff (DMT) is used to analyze the syst…
cs.IT2008
Optimal Medium Access Protocols for Cognitive Radio Networks
Lifeng Lai, Hesham El Gamal, Hai Jiang +1
This paper focuses on the design of medium access control protocols for cognitive radio networks. The scenario in which a single cognitive user wishes to opportunistically exploit…
cs.IT2008★ 4 cited
Authentication over Noisy Channels
Lifeng Lai, Hesham El Gamal, H. Vincent Poor
In this work, message authentication over noisy channels is studied. The model developed in this paper is the authentication theory counterpart of Wyner's wiretap channel model. Tw…