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Performance analysis of a MIMO optical wireless link with space time block code (STBC)
(BRAC University, 2014-08)
Performance analysis has been carried out for a space time block coded multiple input multiple output (MIMO) optical wireless link considering atmospheric turbulence. The diversity reception in the receiving has been carried ...
Mode interactions in photonic crystal nano-cavity arrays
(BRAC University, 2014-08)
Over the last few decades Photonic Crystals (PhCs) have enjoyed immense attention from
engineers, physicists and other interested parties due to its unique characteristics and its
promise to revolutionize optical ...
Design and optimization of an UWB microstrip patch antenna using dielectric substrates Duroid 5880 And FR4
(BRAC University, 2014-01)
No longer new in wireless technology; the ultra wide band (UWB) radio transmits large amounts of digital data over a wide spectrum of frequency bands (>500MHz) at distance up to 230 ft at very low power (< 0.5 mW), As well ...
Microcontroller based power pilferage detection system
(BRAC University, 2014-08)
Power distribution loss costs our country a major amount in annual revenues. This is because
distribution of electricity involves significant technical as well as non-technical losses. There are
ways to calculate and fix ...
Improvement of power quality of CFL bulbs using active power factor correction circuit
(BRAC University, 2014-12)
Power electronics is a means of controlling/processing in an appropriate way that is suitable for the load. Power conditioning is done to ensure higher efficiency and power density. Improved efficiency can reduce emission ...
Smart remote sensing weather station
(BRAC University, 2014-04-30)
In this era of global warming getting the latest weather forecast and take
necessary pre -caution has become a big issue all over the world. In the context
of carbon emission and Greenhouse effect Bangladesh as a coastal ...
Dynamic electrical model of sealed lead-acid battery for EV simulation
(BRAC University, 2014-04)
In recent times, Bangladesh is advancing towards Electric Vehicle system; popularly known as the EV system and one of its most prominent application we see these days are the motor operated rickshaws. Although the motors ...
Automated fire extinguishing system with GSM alarm
(BRAC University, 2014)
This paper demonstrates the requirements, specifications, design problems and solutions for the fire extinguishing system project fulfilling the requirements. Fire fighting is an important and hazardous job. A fire fighter ...
Optimal power flow considering line loss
(BRAC University, 2014-12)
The main objectives of the optimization of electric energy systems are to meet load demands with adequacy and reliability and to keep it at the same time economical, meaning to keep the prices as low as possible. Electric ...
Analysis of Rectifier circuits with power factor correction
(BRAC University, 2014-01)
Power Factor, the ratio between the real power and the apparent power forms a
very essential parameter in power system. It is indicative of how effectively the real
power of the system has been utilized. With rapid ...