کنفرانس مهندسی برق ایران

صفحه اصلی / سی و دومین کنفرانس بین المللی مهندسی برق

Power Consumption and I/Q-to-Phase Analysis in Direct Demodulation Approaches

نویسندگان :

Mir mahdi Safari¹ Jafar Pourrostam²

1- University of Tabriz 2- University of Tabriz

کلمات کلیدی :

High data rates،multi-gigabit-per-second،ADC-less،direct demodulation،power consumption،in-phase and quadrature components

چکیده :

The issue of power consumption poses a significant challenge for the practical implementation of ultra-wide bandwidths (BW) at higher frequencies such as millimeter-wave (mm-wave) or terahertz (THz). To meet these demands, analog signal processing (ASP) methods have recently garnered considerable interest. The power consumption required for high-precision and ultra-high-speed digital-to-analog (DAC) and analog-to-digital converters (ADC) with ultra-wide BWs highlights practical difficulties that emphasize digital signal processing (DSP) limitations. This paper aims to present initial power consumption approximations for ADC-less systems to provide insights into their current performance and guide future advancements. For instance, our suggested technique in direct analog demodulation for NR-STAR-MQAM constellation demonstrates an equivalent error performance to digital methods with over 26× power conservation. Additionally, we introduce two approaches to derive the phase and amplitude of the transmitted signal from the obtained in-phase (I) and quadrature (Q) components.

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بیشتر

ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 42.3.2