The use of biometric recognition is increasing nowadays because the characteristics of biometrics are unique and immutable. Traditional identification methods like tokens and access cards are less reliable than the biometric ...

The demand for CDMA –WLL, Wireless Local Loop, Communication system is higher than wired network. The CDMA–WLL system in Addis Ababa is providing voice and data communication services. Because of its fast and reliable ...

In a wireless network, users can relay information to exploit cooperative diversity, thereby increasing reliability. The uses of multiple transmit and receive antennas (MIMO) can help to exploit transmit and receive ...

In recent years, the devices in communication systems require the development of low cost, minimal weight, compact and low profile antennas that are capable of maintaining high performance over a wide spectrum of frequencies. ...

The number of smartphone users is increasing with increase in demand for high data rate. To fulfill this growing data rate demand, Long Term Evolution (LTE) is one technology option that is being widely deployed nowadays. ...

The demand of code division multiple access (CDMA) cellular communication has grown remarkably in the past few years. Due to this reason mobile communication networks should use the limited resources of the system in ...

Microwave links play an important role in the broadcasting industry by linking main radio and television studios with remote transmitter stations. With the currently increasing number of locally and internationally ...

Amharic is the official language of Ethiopia, which is characterized by very large morphological forms of words. This thesis is an investigation of the possibility of developing an Automatic speech recognition system ...

The modern mobile communication technology has experienced generations and evolved into the Fifth generation which is ongoing with pre-commercialization. In addition to the market demand, the limitations in previous ...