By Aleksandar Tasic, Wouter A. Serdijn, John R. Long
With one thousand million – quickly to be billion - mobile phones in stream, the subsequent problem is to make mobile radio capabilities adaptive to their setting. This ebook presents a complete theoretical framework for optimizing functionality, discussing joint optimization of Noise determine and enter Intercept element in receiver platforms. additionally tested are unique options to optimize voltage managed oscillators and low-noise amplifiers, minimizing energy intake whereas retaining sufficient procedure functionality.
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Additional info for Adaptive Low-Power Circuits for Wireless Communications (Analog Circuits and Signal Processing)
Rappaport, Wireless Communications – Principles and Practice, pp. 120, Prentice Hall, INC, Upper Saddle River, NJ 07458, 2002. Chapter 3 SPECTRUM-SIGNAL TRANSFORMATION For the last few decades, there haven’t been significant breakthroughs at receiver system-level design, as frequently only a few architectures have been exploited: high-IF [1,2] and zero-IF topologies [3,4], and lately low-IF topologies . Even though a small number of different topologies are in use, the high-level receiver front-end characterization lacks a unique presentation, which in turn prevents research of new design strategies and architectures at the system level.
Gross, “Calculating the Cascade Intercept Point of Communications Receivers”, Ham Radio, pp. 50-52, August 1980.  D. O. North, “The Absolute Sensitivity of Radio Receivers”, RCA Review, vol. 6, pp. 332-343, January 1928.  H. Rothe and W. Dahlke, “Theory of Noise Fourpoles”, Proceedings IRE, vol. 44, no. 6, pp. 811-818, June 1956.  H. A. , “Representation of Noise in Linear Two-ports”, Proceedings IRE, vol. 48, pp. 69-74, January 1960.  H. Hillbrand and P. H. Russer, “An Efficient Method for ComputerAided Noise Analysis of Linear Networks,” IEEE Transactions on Circuits Systems, vol.
A nearby interferer, can now be a lot stronger than the desired signal, receivers Adaptive Low-Power Circuits for Wireless Communications 46 with a low intermediate frequency (low-IF receivers) employ the quadrature image-reject architectures shown in Figs. 7. Though low-IF receivers require more rigorous image filtering, they are relieved from problems that arise from the LO self-mixing and the secondorder intermodulation distortion. Signals and spectra undergo the same transformations in low-IF topologies as in zero-IF topologies.
Adaptive Low-Power Circuits for Wireless Communications (Analog Circuits and Signal Processing) by Aleksandar Tasic, Wouter A. Serdijn, John R. Long