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RF design has matured to the point where almost any wireless standard (e.g., GSM, WiFi, Bluetooth, etc.) and/or multiple standards operating in different bands can be integrated onto a single chip in deep submicron CMOS. This course is an in-depth tutorial that discusses many of the challenges facing the designer of a single-chip radio, and their solutions. The topics addressed in the course range...
In the last few years cellular market well exceeded 1.3B cellular mobile devices shipped per year. The ongoing economic-driven shrink in technology towards nanoscale CMOS enables increased functionality in even smaller silicon area, however, technology effects including process variation, variability, temperature effects, flicker noise etc. put stringent challenges on the design and have significant...
Multi-mode, multi-band Softransceiver core allows seamless support for the second to the fourth generation of modern wireless standards. Targeting such a transceiver core becomes a stretch goal as one implementation needs to simultaneously meet the conflicting requirements for various standards. Such a goal is achieved by designing radio-frequency and baseband circuits such that various operational...
In next generation broadband wireless access (BWA) systems, cell shrinkage and blind zones might occur at cell edges due to constraints on transmission power and the increase in propagation loss with broadband and higher frequency bands, respectively. Thus, hierarchical BWA systems consisting of micro and macro base transceiver stations (BSs) installed around the macro BS are considered as one of...
An RF transceiver for operation near 24 GHz with an onchip antenna, fractional-N synthesizer and other RF and analog baseband circuits is demonstrated in 130-nm CMOS. A 5-m wireless link was demonstrated using a transceiver pair. A technique for wireless calibration of an on-chip frequency reference is also demonstrated.
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