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FOCS
2008
IEEE
15 years 8 months ago
Beating the Random Ordering is Hard: Inapproximability of Maximum Acyclic Subgraph
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...
Venkatesan Guruswami, Rajsekar Manokaran, Prasad R...
ICASSP
2008
IEEE
15 years 8 months ago
Transmit codes and receive filters for pulse compression radar systems
Pulse compression radar systems make use of transmit code sequences and receive filters that are specially designed to achieve good range resolution and target detection capabili...
Petre Stoica, Jian Li, Ming Xue
ICYCS
2008
IEEE
15 years 8 months ago
FAST CASH: FAir and STable Channel ASsignment on Heterogeneous Wireless Mesh Network
— Nowadays wireless mesh routers are facilitating with more wireless channels than ever because of the advanced wireless communication technologies such as OFDM, SDR and CR(cogni...
Panlong Yang, Guihai Chen
ISPAN
2008
IEEE
15 years 8 months ago
M-Ring: A Distributed, Self-Organized, Load-Balanced Communication Method on Super Peer Network
- Many peer-to-peer file sharing systems have been proposed to take the locality and heterogeneity into account. The two-layered architecture is one of the most widespread systems ...
Tsung-Han Lin, Tsung-Hsuan Ho, Yu-Wei Chan, Yeh-Ch...
LCN
2008
IEEE
15 years 8 months ago
Firewalling wireless sensor networks: Security by wireless
—Networked sensors and actuators for purposes from production monitoring and control to home automation are in increasing demand. Until recently, the main focus laid on wired sys...
Ivan Martinovic, Nicos Gollan, Jens B. Schmitt
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