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JSAC
2008
159views more  JSAC 2008»
15 years 6 months ago
Limited feedback-based block diagonalization for the MIMO broadcast channel
Block diagonalization is a linear precoding technique for the multiple antenna broadcast (downlink) channel that involves transmission of multiple data streams to each receiver su...
Niranjay Ravindran, Nihar Jindal
JSAC
2006
104views more  JSAC 2006»
15 years 6 months ago
Queue Proportional Scheduling via Geometric Programming in Fading Broadcast Channels
For fading broadcast channels (BC), a throughput optimal scheduling policy called queue proportional scheduling (QPS) is presented via geometric programming (GP). QPS finds a data ...
Kibeom Seong, Ravi Narasimhan, John M. Cioffi
INFOCOM
2010
IEEE
15 years 4 months ago
Topological Properties Affect the Power of Network Coding in Decentralized Broadcast
—There exists a certain level of ambiguity regarding whether network coding can further improve download performance in P2P content distribution systems, as compared to commonly ...
Di Niu, Baochun Li
SIGMOD
1989
ACM
94views Database» more  SIGMOD 1989»
15 years 10 months ago
Redundancy in Spatial Databases
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...
Jack A. Orenstein
HPCA
2004
IEEE
16 years 6 months ago
Stream Register Files with Indexed Access
Many current programmable architectures designed to exploit data parallelism require computation to be structured to operate on sequentially accessed vectors or streams of data. A...
Nuwan Jayasena, Mattan Erez, Jung Ho Ahn, William ...