840 search results - page 145 / 168 » XML: From Practice to Theory |
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— We consider the approximate sparse recovery problem, where the goal is to (approximately) recover a highdimensional vector x ∈ Rn from its lower-dimensional sketch Ax...
SIGMETRICS
2010
ACM
14 years 14 days ago
2010
ACM
Dynamic Spectrum Access systems exploit temporarily available spectrum (‘white spaces’) and can spread transmissions over a number of non-contiguous sub-channels. Such methods...
COR
2010
13 years 7 months ago
2010
Activity rules have emerged in recent years as an important aspect of practical auction design. The role of an activity rule in an iterative auction is to suppress strategic behav...
JSAC
2008
13 years 7 months ago
2008
We consider large MIMO systems, where by `large' we mean number of transmit and receive antennas of the order of tens to hundreds. Such large MIMO systems will be of immense i...
TSP
2008
13 years 7 months ago
2008
We consider the design of cooperation coding schemes for a two-user multi-access channel (MAC). In particular, we consider two block Markov coding schemes, namely, the multiplexed...