Series in Microelectronics
for Multi-Standard Wireless Receivers
2010. XIV, 198 pages. ISBN 3-86628-318-0 and 978-3-86628-318-3
Recent popularity of smart phones, netbooks, and other mobile broadband devices has vindicated third generation (3G) cellular communication systems as an enabling technology and has given fresh impetus to the development of fourth generation (4G) systems. Considering however the predominance of second generation (2G) systems, a complete transition to the next generation of wireless systems is not feasible. The success of new wireless standards is therefore contingent on highly integrated, multi-mode radios. Low-power multi-mode ADCs have consequently become a key component in wireless receiver design. The most promising multi-mode ADC architecture is delta-sigma (∆Σ) modulation which forms the subject of this thesis. ∆Σ modulator techniques are presented in this thesis which are demonstrated with a 2-2 cascaded and a third-order single-loop multi-mode ∆Σ modulator prototype implemented in 0.13μm CMOS, covering bandwidths up to 10MHz and 20 MHz, respectively, to support GSM/EDGEup-to-IMT-Advanced multi-standard scenarios.
About the Author:
Thomas Christen received the Diploma degree in electrical engineering from the Swiss Federal Institute of Technology (ETH), Zurich, Switzerland, in 2003. In 2004, he joined Advanced Circuit Pursuit (ACP) in order to work on integrated circuits for cellular communications. In the same year, he started his doctoral studies at the Integrated Systems Laboratory of the ETH Zurich.
Keywords: multi-mode, multi-standard, software defined radio, SDR, cognitive radio, CR, data converters, delta-sigma, A/D converters, ADC, RF receiver, GSM, EDGE, UMTS, LTE, PLL, jitter, CMOS, analog circuits, IC design.
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