Several power control methods in cellular radio system are reviewed. Adaptive power control scheme based on the adaptive optimization of transmitter power and receiver filter coefficients is analyzed. The scheme can be mapped to power control algorithm, adaptive receiver digital filter, RAKE receiver power estimator and analog RF power amplifier. The implementation, co-simulation and co-synthes...

Impulse radio, a form of ultra-wide band signaling, has properties that make it a viable candidate for short range communications in dense multipath environments. This paper describes the characteristics of impulse radio, gives analytical estimates of its multiple access capability, and presents propagation test results and their implications for the design of the radio receiver.

Accurate measurement of angular positions on the sky requires a well-defined system reference, something that in practice is realized by International Celestial Reference Frame (ICRF) with observations distant (typical redshift $\sim$ 1...

In cognitive radio, secondary users wittily occupy the spectrum hole and enhance the efficiency at the right location and time. Secondary users reward a chance to access primary user band with the aid of smart cognitive radio technology. In this study we explore the idea of secondary access spectrum through using the cognitive radio network in which the secondary user shares the spectrum with t...