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This paper presents a novel 24/36-GHz double conversion heterodyne architecture for IEEE 802.15.3c (60-GHz) applications. The selection of the first local oscillator frequency as 36-GHz gives rise to an intermediate frequency that yields significant cost advantage by reusing the 24-GHz architecture adopted by the automotive industry for both the receiver and transmitter second stage frequency translation...
Power control is a significant mechanism to improve the wireless system performance and reduce the interference in indoor radio transmission environments. In this paper, a two-way power control algorithm is applied to point-to-point indoor line-of-sight (LOS) short-range radio transmission and varies the transmitted power as a function of the path gain. The effectiveness of the algorithm is verified...
The output power of transmitter in wireless applications should be adjusted dynamically with the change of environments to implement the power management. In this paper, a two-way power management algorithm based on real-time path loss of propagation channel was implemented and validated in a point-to-point wireless system worked at 2.45 GHz. The performance of the power management was testified and...
In this paper, design techniques for an integrated RF bandpass filter are discussed. A novel wide-tuning high-Q active bandpass filter utilizing the active inductors is presented. Issues of the active inductor related to Q -enhancement, noise, linearity, and stability are considered. The circuit has been fabricated in an 0.18-mum CMOS process, and the filter occupies the active area of 150 times 200...
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