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» On Multiple Linear Approximations
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SIGMOD
2006
ACM
137views Database» more  SIGMOD 2006»
16 years 6 months ago
Optimal multi-scale patterns in time series streams
We introduce a method to discover optimal local patterns, which concisely describe the main trends in a time series. Our approach examines the time series at multiple time scales ...
Spiros Papadimitriou, Philip S. Yu
ICRA
2009
IEEE
161views Robotics» more  ICRA 2009»
16 years 1 months ago
Multi-vehicle path planning in dynamically changing environments
— In this paper, we propose a path planning method for nonholonomic multi-vehicle system in presence of moving obstacles. The objective is to find multiple fixed length paths f...
Ali Ahmadzadeh, Nader Motee, Ali Jadbabaie, George...
INFOCOM
2009
IEEE
16 years 1 months ago
MobTorrent: A Framework for Mobile Internet Access from Vehicles
Abstract—In this paper, we present MobTorrent, an ondemand, user-driven framework designed for vehicles which have intermittent high speed access to roadside WiFi access points (...
Bin Bin Chen, Mun Choon Chan
ICC
2007
IEEE
106views Communications» more  ICC 2007»
16 years 27 days ago
Differential Space-Frequency Modulation and 2D-Detection for MIMO-OFDM
Abstract— In this paper differential space–frequency modulation (DSFM) for transmission over multiple–input multiple– output channels using orthogonal frequency division mu...
Volker Pauli, Lutz H.-J. Lampe, Johannes Huber
VTC
2007
IEEE
100views Communications» more  VTC 2007»
16 years 25 days ago
Downlink Steered Space-Time Spreading Assisted Generalised Multicarrier DS-CDMA Using Sphere-Packing-Aided Multilevel Coding
— This paper presents a novel generalised Multi-Carrier Direct Sequence Code Division Multiple Access (MC DS-CDMA) system invoking smart antennas for improving the achievable per...
Mohammed El-Hajjar, Ronald Y. S. Tee, Hu Bin, Lie-...