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Existing power and rate control methods for wireless communication networks aim to maximize the system capacity and the network throughput, and attempt to increase the quality-of-service (QoS), but cannot guarantee the QoS. This paper presents a new power and rate control method for wireless communication networks, which is based on the priority of QoS, so the QoS can be guaranteed. A dual closed-loop...
This paper is concerned with power and rate control for wireless communication networks. Based on the mathematical state-space model establishment of power and rate control system for wireless communication networks with external disturbance, an optimal power and rate control algorithm is presented, and the optimal power and rate control law is derived based on the optimal control theory by solving...
Mobility support is one of the key use cases of Information-Centric Networking (ICN), and is also widely discussed as a potential advantage of ICN compared to IP. In this paper, we review the state-of- the-art solutions for supporting producer mobility in ICN networks. Through deep analysis of the procedures for handling pending Interests, we observe two issues in the previous mobility solutions,...
In this paper, a wideband antenna system with four printed monopoles is presented. The antenna system contains two symmetric pairs of antennas, and each pair comprises two back-to-back monopoles with symmetric configuration, and a transformative dual inverted-L-shaped ground branches. The measured results show that the proposed antenna system has a wide bandwidth of 1260 MHz (1660-2920 MHz), for the...
Dielectric embedded electronically steerable multiple beam antenna array is a potential candidate in mobile wireless communications. However, its synthesis is challenging due to the existence of the large conflicting objectives and infeasibility of analytical synthesis techniques. In this regard, an extended evolutionary algorithm is proposed and tested using different case studies.
The mobile grid supports mobile user and mobile resource with additional features such as limited energy, unstable network connection, etc. The mobile resource is composed of mobile device and the resource reliability is greatly decreased, which affects the grid scheduling. In this paper, the resource reliability is defined, which is evaluated from task completion time and energy consumption, in order...
This paper introduces a universal mobile data acquisition system. The innovation of this system is that it can be used for different applications. By simple customization, it can meet the needs of different users, without developers' design and development work time after time. To take the data acquisition work about plants and animals in Qinghai Lake Nature Reserve for an example, this paper shows...
In partially connected ad hoc networks (PCANETs), the whole structure is partitioned into several unconnected regions. To address the communication problem between these regions, an on-demand routing technology based on task-relay (OR-TR) is proposed. Single or multiple task-relay nodes are adopted to act as the special communication medium in PCANETs. Simulations have been conducted to study the...
Pervasive computing is providing its usability and scope in almost every aspect nowadays. In order to make better use of pervasive services in nomadic devices, pervasive client download might be needed, which would result in serious security problems due to executing untrusted applications. Recently Security-by-Contract has been proposed to address this problem, where an application is required to...
The goal of this work is to highlight the fact that the mobile ambients and a static program analysis algorithm have the promise of providing a strong tool for describing and computing on functions of biological systems. Firstly, a context dependent shape analysis strategy of mobile ambients is developed. Secondly, a Mobile Ambients model of SBP-dependent ABC uptake transporter is presented and its...
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