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    Linearity vs. Power Consumption of CMOS LNAs in LTE Systems

    Szczepkowski, Grzegorz and Farrell, Ronan (2013) Linearity vs. Power Consumption of CMOS LNAs in LTE Systems. In: ISSC 2013, June 20-21 2013, LYIT Letterkenny.

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    This paper presents a study of linearity in wideband CMOS low noise amplifiers (LNA) and its relationship to power consumption in context of Long Term Evolution (LTE) system. Using proposed figure of merit to compare 35 state-of-the-art LNA circuits published in recent years, the paper shows a proportional but relatively weak dependence between amplifier performance (that is combined linearity, noise figure and gain) with power consumption. As a result, the predicted increase of LNA performance, necessary to satisfy stringent linearity specifications of LTE standard, may require a significant increase in power, a critical budget planning aspect for both handheld devices and base stations operating in small cells.

    Item Type: Conference or Workshop Item (Paper)
    Keywords: LNA linearity; power consumption; LTE;
    Academic Unit: Faculty of Social Sciences
    Faculty of Science and Engineering > Electronic Engineering
    Item ID: 4462
    Depositing User: Ronan Farrell
    Date Deposited: 11 Sep 2013 08:28
    Refereed: Yes

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