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Tag: wireless


Wireless Power Transmission via Solar Power Satellite (EEE/ECE Project)

A major problem facing Planet Earth is provision of an adequate supply of clean energy. It has been that we face “…three simultaneous challenges — population growth, resource consumption, and environmental degradation — all converging particularly in Continue reading →

Adhoc Routing based Data Collection Application in Wireless Sensor Networks (Electronics Project)

Ad hoc based routing protocol is a reactive protocol to route messages between mobile nodes. It allows nodes to pass messages through their neighbors to nodes which they cannot directly communicate. It uses Route Request (RREQ) and Route Reply (RREP) messages for communication. Wireless sensor networks consist of tiny sensor motes with Continue reading →

Average Consensus in Wireless Sensor Networks with Probabilistic Network Links (Networking Project)

This study proposes and evaluates an average consensus scheme for wireless sensor networks. For this purpose, two communication error models, the fading signal error model and approximated fading signal error model, are introduced and incorporated into the proposed decentralized Continue reading →

Piezo-electric Power Scavenging for Mining Applications (ECE/EEE Project)

The growing need of creating a network of sensors in critical environment to monitor, sense and alert an operator about the environment gives rise to the research work carried out in the area of power supply to these sensors.

Wireless sensors are usually designed to run on batteries. However, as the number of sensors increases and the devices decrease in size, there is clearly a need to explore alternatives to battery power for Continue reading →

Zigbee Wireless Relay Control and Power Monitoring System (Electronics Project)

We designed a system for wirelessly controlling relays and monitoring current. This is used for a home load simulation. By wirelessly turning relays on and off by sending commands from a PC to a microcontroller we can change the total load (current) to our simulated home.

For wireless communication, we used XBee Series 2 Zigbee RF modules. One of these modules was connected to a microcontroller and the home load simulation, while another was connected to the PC, which was used for collecting and displaying data as well as for relay monitoring and control. Continue reading →

A power efficient active RFID communication Protocol (ECE/EEE Project)

Active Radio Frequency Identification (Active RFID) is a wireless automated technology used to identify, track, process and share information about an object or from the environment. As microcontrollers and radio frequency transponders are smaller in size, more power efficient, and less expensive, this technology is growing and starting to expand significantly through all the industries. Continue reading →

Energy Optimization Mechanism for Mobile Terminals using Vertical Handoff between WLAN and CDMA2000 Networks

This paper presents energy optimization mechanism for mobile terminals (MTs) using vertical handoff between Wireless LAN (WLAN) and CDMA2000 networks. Several techniques for optimizing the power consumption of MTs have been considered in literature. Some of these techniques could be used separately or in tandem. Considering the importance of efficient energy management for MTs, the research in this area could be taken a step further.

The technique considered in this paper allows a Continue reading →

Distributed search for balanced energy consumption spanning trees in Wireless Sensor Networks

Sensor networks are commonly used for security and surveillance applications. As sensor nodes have limited battery power, computing, and storage resources, the energy efficient security techniques are needed.

We provide a new heuristic approach to search for balanced and small weight routing spanning trees in a network. The approach is Continue reading →

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 →

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 →