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AINA
2007
IEEE
15 years 11 months ago
A Distributed and Dynamic Data Gathering Protocol for Sensor Networks
In this paper we propose a distributed, self organizing, robust and energy efficient data gathering algorithm for sensor networks operating in environments where all the sensor n...
Hüseyin Özgür Tan, Ibrahim Korpeogl...
ICASSP
2007
IEEE
15 years 11 months ago
A New Rotation Search for Dependent Rate-Distortion Optimization in Video Coding
We present a novel search algorithm which is suitable for optimizing functions with a high-dimensional discrete-valued parameter vector. The algorithm is designed to find a funct...
Tuukka Toivonen, Loren Merritt, Ville Ojansivu, Ja...
ICASSP
2007
IEEE
15 years 11 months ago
Adaptive Filtering for Video Coding with Focus Change
We propose an adaptive ltering approach for coding video that exhibits localized camera focus changes, e.g., such that different portions of a video frame can undergo different bl...
PoLin Lai, Yeping Su, Peng Yin, Cristina Gomila, A...
ICC
2007
IEEE
160views Communications» more  ICC 2007»
15 years 11 months ago
Adaptive Game-Based Radio Spectrum Allocation in Doubly Selective Fading Channels
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
Duo Zhang, Zhi Tian
ICNP
2007
IEEE
15 years 11 months ago
Identifying High Throughput Paths in 802.11 Mesh Networks: a Model-based Approach
Abstract— We address the problem of identifying high throughput paths in 802.11 wireless mesh networks. We introduce an analytical model that accurately captures the 802.11 MAC p...
Theodoros Salonidis, Michele Garetto, A. Saha, Edw...