Quantum computing and communications gives an overview of basic quantum computing algorithms and their enhanced versions such as efficient database searching counting and phase estimation introduces quantum assisted solutions for telecom problems including multi user detection in mobile systems routing in ip based networks and secure ciphering key distribution. Quantum computing and communications gives an overview of basic quantum computing algorithms and their enhanced versions such as efficient database searching counting and phase estimation introduces quantum assisted solutions for telecom problems including multi user detection in mobile systems routing in ip based networks and secure ciphering key distribution. Quantum computing basics3 measurementspart ii quantum algorithms4 two simple quantum algorithms5 quantum parallelism6 quantum fourier transform and its applicationspart iii quantum assisted solutions of infocom problems7 searching in an unsorted database8 quantum based multiuser detection9 quantum based code breaking10 quantum based key distribution11 surfing the web on . 6 quantum fourier transform and its applications when fourier published his most famous work theorie analitique de la chaleur in 1822 he had not the slightest idea that his transform selection from quantum computing and communications an engineering approach book