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SECURWARE
2007
IEEE
16 years 1 months ago
Distributed Identity Management Model for Digital Ecosystems
— Digital Ecosystems is the new paradigm for dynamic IT business integration. A Digital Ecosystem consists of institutions that compete, collaborate, and form stable or unstable ...
Hristo Koshutanski, Mihaela Ion, Luigi Telesca
SIPS
2007
IEEE
16 years 1 months ago
Layered Steered Space-Time Codes Using Iterative Detection
— This paper presents a novel multifunctional multiple-input multiple-output (MIMO) scheme that combines the benefits of the Vertical Bell Labs Layered Space-Time (VBLAST) schem...
Mohammed El-Hajjar, Osamah Alamri, Lajos Hanzo
SMC
2007
IEEE
102views Control Systems» more  SMC 2007»
16 years 1 months ago
An improved immune Q-learning algorithm
—Reinforcement learning is a framework in which an agent can learn behavior without knowledge on a task or an environment by exploration and exploitation. Striking a balance betw...
Zhengqiao Ji, Q. M. Jonathan Wu, Maher A. Sid-Ahme...
VTC
2007
IEEE
190views Communications» more  VTC 2007»
16 years 29 days ago
An Adaptive Location Estimator Based on Kalman Filtering for Wireless Sensor Networks
—In this paper, we present a positioning and tracking scheme based on adaptive weighted interpolation and Kalman filtering for wireless sensor networks. The proposed positioning ...
Chin-Liang Wang, Yih-Shyh Chiou, Yu-Sheng Dai
VTC
2007
IEEE
16 years 29 days ago
Q-Learning-based Hybrid ARQ for High Speed Downlink Packet Access in UMTS
Abstract-In this paper, a Q-learning-based hybrid automatic repeat request (Q-HARQ) scheme is proposed to achieve efficient resource utilization for high speed downlink packet acc...
Chung-Ju Chang, Chia-Yuan Chang, Fang-Ching Ren