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Design of a multimode reconfigurable sigma-delta converter for 4G wireless receivers

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3 Author(s)
Artur Silva ; Instituto de Telecomunicações/Instituto Superior Técnico, Technical University of Lisbon, Portugal ; Nuno Horta ; Jorge Guilherme

This paper presents a multi-standard reconfigurable sigma-delta modulator, which is able to support the predictable standards of fourth generation of mobile communication systems (4G). Furthermore, the proposed architecture halves the number of required analog-to-digital converters in parallel receivers, by processing concurrently two different signals. The major design issues are outlined and operation modes are detailed. A system-level simulation is performed to demonstrate the feasibility of the presented solution.

Published in:

Circuit Theory and Design, 2007. ECCTD 2007. 18th European Conference on

Date of Conference:

27-30 Aug. 2007