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CORR
2011
Springer
200views Education» more  CORR 2011»
13 years 5 months ago
Optimal Channel Training in Uplink Network MIMO Systems
We consider a multi-cell frequency-selective fading uplink channel (network MIMO) from K singleantenna user terminals (UTs) to B cooperative base stations (BSs) with M antennas ea...
Jakob Hoydis, Mari Kobayashi, Mérouane Debb...
DAM
2011
13 years 5 months ago
A study of 3-arc graphs
An arc of a graph is an oriented edge and a 3-arc is a 4-tuple (v, u, x, y) of vertices such that both (v, u, x) and (u, x, y) are paths of length two. The 3-arc graph of a graph ...
Martin Knor, Guangjun Xu, Sanming Zhou
JCT
2011
84views more  JCT 2011»
13 years 5 months ago
Enumerating isodiametric and isoperimetric polygons
For a positive integer n that is not a power of 2, precisely the same family of convex polygons with n sides is optimal in three different geometric problems. These polygons have ...
Michael J. Mossinghoff
MST
2011
209views Hardware» more  MST 2011»
13 years 5 months ago
Spreading of Messages in Random Graphs
Chang and Lyuu [Chang and Lyuu, 2008] study the spreading of a message in an Erd˝os-R´enyi random graph G(n, p) starting from a set of vertices that are convinced of the message...
Ching-Lueh Chang, Yuh-Dauh Lyuu
DC
2010
13 years 5 months ago
Closing the complexity gap between FCFS mutual exclusion and mutual exclusion
First-Come-First-Served (FCFS) mutual exclusion (ME) is the problem of ensuring that processes attempting to concurrently access a shared resource do so one by one, in a fair order...
Robert Danek, Wojciech M. Golab