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CDC
2009
IEEE
168views Control Systems» more  CDC 2009»
14 years 1 months ago
Content distribution by multiple multicast trees and intersession cooperation: Optimal algorithms and approximations
—The paper addresses the problem of massive content distribution in the network where multiple sessions coexist. In the traditional approaches, the sessions form separate overlay...
Xiaoying Zheng, Chunglae Cho, Ye Xia
APSCC
2007
IEEE
13 years 8 months ago
Joint Sink Mobility and Data Diffusion for Lifetime Optimization in Wireless Sensor Networks
Abstract— In this paper, we address the problem of lifetime optimization under storage constraint for wireless sensor networks with a mobile sink node. The problem is particularl...
Yu Gu, Hengchang Liu, Fei Song, Baohua Zhao
WADS
2001
Springer
182views Algorithms» more  WADS 2001»
14 years 1 months ago
On the Complexity of Scheduling Conditional Real-Time Code
Abstract. Many real-time embedded systems involve a collection of independently executing event-driven code blocks, having hard real-time constraints. Portions of such codes when t...
Samarjit Chakraborty, Thomas Erlebach, Lothar Thie...
RTSS
2002
IEEE
14 years 1 months ago
Embedded System Design Framework for Minimizing Code Size and Guaranteeing Real-Time Requirements
In addition to real-time requirements, the program code size is a critical design factor for real-time embedded systems. To take advantage of the code size vs. execution time trad...
Insik Shin, Insup Lee, Sang Lyul Min
TSP
2008
115views more  TSP 2008»
13 years 8 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