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ThinkMind // COCORA 2012, The Second International Conference on Advances in Cognitive Radio // View article cocora_2012_3_10_60009


Smart Noise–Linearity Breakdown in Homodyne Multi-Standard Radio Receivers

Authors:
Silvian Spiridon
Claudius Dan
Mircea Bodea

Keywords: software defined radio; receiver electrical specifications; noise-linearity partitioning.

Abstract:
This paper analyzes the noise–linearity breakdown in direct conversion multi-standard radio receivers embedding analog signal conditioning. The paper’s main goal is to develop a sys-tematic noise–linearity partitioning methodol¬ogy to be used in splitting the multi-standard receiver noise and linearity budget between its high frequency (HF) part and its low frequency (LF) baseband part. To this aim, a new and efficient design methodology tailored towards multi-standard receivers, and based on manual analysis, is developed. By using the developed methodology, power saving is enabled in the HF part through changing the multi-standard receiver HF part noise and linearity performance with its RF front-end gain. While for the LF part, the analysis revealed the performance can be kept the same to allow power optimization through dedicated circuit design.

Pages: 46 to 49

Copyright: Copyright (c) IARIA, 2012

Publication date: April 29, 2012

Published in: conference

ISSN: 2308-4251

ISBN: 978-1-61208-197-7

Location: Chamonix, France

Dates: from April 29, 2012 to May 4, 2012

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