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In this paper the state-of-the-art acoustic source localization techniques are overviewed at first, followed by an analysis of the interactive relationship between the performance and various acoustic context related factors. The suitable application scenarios of these techniques are summarized from which one can easily identify the most suitable method for a specific application. It is concluded...
A body sensor network (BSN) is presented in this paper, which targets at integrating physical activity signal and physiologically related features to provide detailed body context information. Issues concerning the structure of the proposed BSN, functions and interactions between its components are stressed. The BSN has been applied to conduct gait analysis in this study. A gait tracker based on Kalman...
Sensor scheduling is essential to collaborative target tracking in wireless sensor networks (WSNs). In this paper, we present a multi-step adaptive sensor scheduling algorithm (MASS) by selecting the next tasking sensor and its associated sampling interval based on the prediction of tracking accuracy and energy cost over a finite horizon of steps. MASS adopts alternative tracking mode for each prediction...
The increasing popularity of the multimedia applications in mobile ad hoc networks (MANETs) has led to research on QoS support for these applications. However, this is difficult in such networks because of factors such as shared and variable wireless bandwidth, limited power supply and possible mobility of the nodes. Although many QoS provisioning schemes have been presented, few have provided the...
This paper introduces a novel joint clustering and multi-channel medium access control (MAC) protocol for mobile ad hoc networks (MANETs) based on a scalable two-phase coding scheme, where the first-phase code is used for differentiating the clusters and the second-phase code is employed to distinguish the nodes in a specific cluster. It mitigates the hidden terminal problem (HTP) during data transmission...
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