Due to ever-increasing bandwidth demands in future wireless service, the radio frequency band becomes more and more invaluable. In conventional OFDM there is a lot of wastage of bandwidth in the Guard Interval. We aim to ...

Noise removal is a necessary preprocessing step for speech acquisition in computer telephony and other applications, such as speech-assisted human-machine interfaces. In telephony system, the received signal by the ...

We have endeavored to develop an optimal communication system by considering different trade-offs pertinent to the communication system. The design objective is achieved by an acceptable compromise between information ...

Threats to communication systems which have existed since men started sending messages are eavesdropping, modification, replay, masquerading, penetration and repudiation. Implementation of speech secrecy mechanism has ...

Wireless Sensor Networks (WSNs) consist of a network of wireless nodes that have the capability to sense a parameter of interest like temperature, humidity, vibration etc that is often relayed to a base station through ...

In the current security environment, our armed forces have to face diverse combat scenarios like Close Quarter Battle (CQB), fighting in Build-Up Areas, Search and Cordon operations. This has led to a need for real time ...

We, in our project, has developed and implemented a new algorithm for modulation identification in ideal channel conditions. This algorithm may be classified in the statistical method category. It has been totally our ...

The stream cipher A5/2 is used in GSM (Global System for mobile Communication) for authentication and data encryption. There have been numerous successful attacks that were launched on A5/2 hence breaking down its security. ...

Security is of paramount importance in this world of terrorism. Terrorism has become a major nuisance for all and sundry. Newer and better methods are being explored every day to combat terrorism. The use of remote GSM ...