Sciweavers

2485 search results - page 477 / 497
» Time Bounded Frequency Computations
Sort
View
COCO
2005
Springer
123views Algorithms» more  COCO 2005»
14 years 1 months ago
If NP Languages are Hard on the Worst-Case Then It is Easy to Find Their Hard Instances
We prove that if NP ⊆ BPP, i.e., if SAT is worst-case hard, then for every probabilistic polynomial-time algorithm trying to decide SAT, there exists some polynomially samplable ...
Dan Gutfreund, Ronen Shaltiel, Amnon Ta-Shma
ICPP
2003
IEEE
14 years 29 days ago
Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks
This paper investigates the power mode management problem for an IEEE 802.11-based mobile ad hoc network (MANET) that allows mobile hosts to tune to the power-saving (PS) mode. The...
Jehn-Ruey Jiang, Yu-Chee Tseng, Chih-Shun Hsu, Ten...
WSNA
2003
ACM
14 years 28 days ago
Analysis on the redundancy of wireless sensor networks
Wireless sensor networks consist of a large number of tiny sensors that have only limited energy supply. One of the major challenges in constructing such networks is to maintain l...
Yong Gao, Kui Wu, Fulu Li
SPAA
2010
ACM
14 years 15 days ago
Online capacity maximization in wireless networks
In this paper we study a dynamic version of capacity maximization in the physical model of wireless communication. In our model, requests for connections between pairs of points i...
Alexander Fanghänel, Sascha Geulen, Martin Ho...
ICDCS
2000
IEEE
14 years 3 days ago
An Adaptive, Perception-Driven Error Spreading Scheme in Continuous Media Streaming
For transmission of continuous media (CM) streams such as audio and video over the Internet, a critical issue is that periodic network overloads cause bursty packet losses. Studie...
Srivatsan Varadarajan, Hung Q. Ngo, Jaideep Srivas...