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Energy Efficient Virtual MIMO Communication for Wireless Sensor Networks

Virtual multiple input multiple output (MIMO) techniques are used for energy efficient communication in wireless sensor networks. We investigate virtual MIMO for fixed and variable rates. We propose energy efficient routing based on virtual MIMO. The simulation results show that virtual MIMO based routing is more energy efficient as compared to SISO (single input single output) for larger distances.

Introduction:

In recent years, virtual MIMO has attracted a growing interest because of its energy efficiency in large field of networks. In virtual MIMO network, a group of sensors cooperate Continue reading

Human Area Networking

So far we have seen LAN, MAN, WAN, INTERNET & many more but here is new concept of “RED TACTON” which makes the human body as a communication network by name….HAN (Human Area Network).

NTT lab from Japan is currently testing & developing this revolutionary technology. Red Tacton is a new Human Area networking technology that uses the surface of the human body as a safe, high-speed network transmission path. Red Tacton uses the minute electric field generated by human body as Continue reading

Agent-based peer-to-peer layered architecture for data transfer in Wireless Sensor Networks

Recently, there has been a growing interest in the potential use of Wireless Sensor Networks (WSNs) in many applications such as smart environments, disaster management, combat field reconnaissance, and security surveillance. Therefore, to realize their potential, there is a need of an architecture that facilities the deployment of a network that is optimized in terms of energy, query and network configuration.

This paper focuses on developing agent-based peer-to-peer layered system architecture for Continue reading

Dynamic Compensation of the Reactive Energy using a Fuzzy Controller

Solving the capacitor Allocation problem means in general the determination of the optimal location, allocation sizes and switching times for capacitors to be installed on a distribution feeder. The application of capacitors in electric power system is intended for the control of power flow, improvement of stability, voltage profile management, power factor correction, and loss minimisation. The installation of FACTS devices increases Continue reading

IVRS SYSTEM FOR INDUSTRIAL CONTROL

THE MENTIONED PROJECT IS BASED ON THE WORLD,S MOST POWERFUL INTEL CONTROLLER 8051. MOST OF THE SERVICES PROVIDED IN TODAYS WORLD ARE VOICE INTERACTIVE, YOU CALL UP YOUR BANK AND COMPUTRISED VOICE WILL SPEAK TO YOU,AND GUIDE YOU TO ENTER A PARTICULAR NUMBER FROM YOUR PHONE TO GET THE DESIRED SERVICE.THIS SERVICE IS ONLY Continue reading

A comparison of power harvesting techniques and related energy storage issues

Power harvesting, energy harvesting, power scavenging, and energy scavenging are four terms commonly used to describe the process of extracting useful electrical energy from other ambient energy sources using special materials called transducers that have the ability to convert one form of energy into anothe Continue reading

Developing Multi-modal Interfaces for Visually Impaired People to Access the Internet

Abstract

This paper describes the work being carried out at the Queen’s University of Belfast (QUB) on improving visually impaired people’s access to information on the Internet. In particular, the project is focused on problems that visually impaired people have on navigating and reading information from Web pages. Continue reading