NDLI: Self-learning MIMO-RF receiver systems: Process resilient real-time adaptation to channel conditions for low power operation

Content Provider	IEEE Xplore Digital Library
Author	Banerjee, D. Muldrey, B. Sen, S. Xian Wang Chatterjee, A.
Copyright Year	2014
Description	Author affiliation: Dept. of ECE, Georgia Inst. of Technol., Atlanta, GA, USA (Banerjee, D.; Muldrey, B.; Xian Wang; Chatterjee, A.) \|\| Intel Corp., Portland, PA, USA (Sen, S.)
Abstract	Prior research has established that dynamically trading-off the performance of the RF front-end for reduced power consumption across changing channel conditions, using a feedback control system that modulates circuit and algorithmic level "tuning knobs" in real-time, leads to significant power savings. It is also known that the optimal power control strategy depends on the process conditions corresponding to the RF devices concerned. This complicates the problem of designing the feedback control system that guarantees the best control strategy for minimizing power consumption across all channel conditions and process corners. Since this problem is largely intractable due to the complexity of simulation across all channel conditions and process corners, we propose a self-learning strategy for adaptive MIMO-RF systems. In this approach, RF devices learn their own performance vs. power consumption vs. tuning knob relationships "on-the-fly" and formulate the optimum reconfiguration strategy using neural-network based learning techniques during real-time operation. The methodology is demonstrated for a MIMO-RF receiver front-end and is supported by hardware validation leading to 2.5X power savings in minimal learning time.
Starting Page	710
Ending Page	717
File Size	6801361
Page Count	8
File Format	PDF
ISBN	9781479962785
DOI	10.1109/ICCAD.2014.7001430
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-11-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Tuning MIMO Real-time systems Power demand Optimized production technology Receivers Artificial neural network Low Power Adaptation Receiver. Radio-Frequency OFDM LNA Mixer Self-learning
Content Type	Text
Resource Type	Article

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