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A generalized network alignment for three-source three-destination multiple unicast networks with delays

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4 Author(s)
Ganesan, A. ; Dept. of ECE, IISc, Bangalore, India ; Bavirisetti, T.D. ; Prasad, K. ; Rajan, B.S.

The concept of interference alignment when extended to three-source three-destination instantaneous multiple unicast network for the case where, each source-destination pair has a min-cut of 1 and zero-interference conditions are not satisfied, is known to achieve a rate of half for every source-destination pair under certain conditions. This was called network alignment. We generalize this concept of network alignment to three-source three-destination multiple unicast (3S-3D-MU) networks with delays, without making use of memory at the intermediate nodes (i.e., nodes other than the sources and destinations) and using time varying Local Encoding Kernels (LEKs). This achieves half the rate corresponding to the individual source-destination min-cut for some classes of 3S-3D-MU network with delays which do not satisfy the zero-interference conditions.

Published in:

Information Theory Workshop (ITW), 2011 IEEE

Date of Conference:

16-20 Oct. 2011