Sciweavers

INFOCOM
2010
IEEE
13 years 3 months ago
Spatio-Temporal Fusion for Small-scale Primary Detection in Cognitive Radio Networks
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices—such as wireless microphones (WMs)— is a challenging, but very important, problem that has n...
Alexander W. Min, Xinyu Zhang, Kang G. Shin
INFOCOM
2010
IEEE
13 years 3 months ago
Cooperative Boundary Detection for Spectrum Sensing Using Dedicated Wireless Sensor Networks
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
Yanyan Yang, Yunhuai Liu, Qian Zhang, Lionel M. Ni
INFOCOM
2010
IEEE
13 years 3 months ago
Cognitive Mobile Virtual Network Operator: Investment and Pricing with Supply Uncertainty
Abstract—This paper presents the first analytical study of optimal investment and pricing decisions of a cognitive mobile virtual network operator (C-MVNO) under spectrum supply...
Lingjie Duan, Jianwei Huang, Biying Shou
TWC
2008
235views more  TWC 2008»
13 years 4 months ago
Optimal spectrum sensing framework for cognitive radio networks
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
Won-Yeol Lee, Ian F. Akyildiz
PERVASIVE
2007
Springer
13 years 4 months ago
Mobiscopes for Human Spaces
The proliferation of affordable mobile devices with processing and sensing capabilities, together with the rapid growth in ubiquitous network connectivity, herald an era of Mobisc...
Tarek F. Abdelzaher, Yaw Anokwa, Péter Boda...
CORR
2008
Springer
131views Education» more  CORR 2008»
13 years 4 months ago
Towards a More Accurate Carrier Sensing Model for CSMA Wireless Networks
Abstract--In the majority of studies on CSMA wireless networks, a contention graph is used to model the carrier sensing relationships among links. This is a 0-1 model in which two ...
Caihong Kai, Soung Chang Liew
AR
2004
78views more  AR 2004»
13 years 4 months ago
Sensor system of a small biped entertainment robot
SDR-4X II is the latest prototype model of a small biped entertainment robot. It is the improved model of SDR-4X. In this paper we report on the sensing system of this robot, which...
Tatsuzo Ishida, Yoshihiro Kuroki
TSP
2008
124views more  TSP 2008»
13 years 4 months ago
Dictionary Preconditioning for Greedy Algorithms
This article introduces the concept of sensing dictionaries. It presents an alteration of greedy algorithms like thresholding or (Orthogonal) Matching Pursuit which improves their...
Karin Schnass, Pierre Vandergheynst
TROB
2008
96views more  TROB 2008»
13 years 4 months ago
On Discrete-Time Pursuit-Evasion Games With Sensing Limitations
We address discrete-time pursuit-evasion games in the plane where every player has identical sensing and motion ranges restricted to closed discs of given sensing and stepping rad...
Shaunak Dattaprasad Bopardikar, Francesco Bullo, J...
PERVASIVE
2008
Springer
13 years 4 months ago
Detecting Human Movement by Differential Air Pressure Sensing in HVAC System Ductwork: An Exploration in Infrastructure Mediated
We have developed an approach for whole-house gross movement and room transition detection through sensing at only one point in the home. We consider this system to be one member o...
Shwetak N. Patel, Matthew S. Reynolds, Gregory D. ...