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CN
2008
192views more  CN 2008»
13 years 10 months ago
Research on multicast routing protocols for mobile ad-hoc networks
A mobile ad-hoc network (MANET) is composed of mobile nodes without any infrastructure. Mobile nodes self-organize to form a network over radio links. The goal of MANETs is to ext...
Junhai Luo, Xue Liu, Danxia Ye
TSP
2008
115views more  TSP 2008»
13 years 10 months ago
Approximation Bounds for Semidefinite Relaxation of Max-Min-Fair Multicast Transmit Beamforming Problem
Consider a downlink multicast scenario where a base station equipped with multiple antennas wishes to simultaneously broadcast a number of signals to some given groups of users ove...
Tsung-Hui Chang, Zhi-Quan Luo, Chong-Yung Chi
TMM
2002
139views more  TMM 2002»
13 years 10 months ago
Robust progressive image transmission over OFDM systems using space-time block code
A joint source-channel coding (JSCC) scheme for robust progressive image transmission over broadband wireless channels using orthogonal frequency division multiplexing (OFDM) syste...
Jie Song, K. J. Ray Liu
PVM
2010
Springer
13 years 8 months ago
Toward Performance Models of MPI Implementations for Understanding Application Scaling Issues
Abstract. Designing and tuning parallel applications with MPI, particularly at large scale, requires understanding the performance implications of different choices of algorithms ...
Torsten Hoefler, William Gropp, Rajeev Thakur, Jes...
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 11 months ago
Approximate Data Collection in Sensor Networks using Probabilistic Models
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
David Chu, Amol Deshpande, Joseph M. Hellerstein, ...