Performance Evaluation of LTE-CommSense System for Discriminating the Presence of Multiple Objects in Outdoor Environment

Sardar, Santu and Mishra, Amit Kumar and Khan, Mohammed Zafar Ali (2020) Performance Evaluation of LTE-CommSense System for Discriminating the Presence of Multiple Objects in Outdoor Environment. IEEE Transactions on Instrumentation and Measurement, 69 (3). pp. 1-10. ISSN 0018-9456

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Long-term evolution (LTE)-CommSense is a novel instrumentation scheme, which analyzes channel-affected reference signals of LTE downlink signal to obtain knowledge about the environmental change. This paper presents the characterization of LTE-CommSense instrument to detect the presence or absence of objects in an outdoor environment. In addition, we analyze its capability of detecting and distinguishing when multiple objects are present. For performance evaluation and characterization of this instrument, we derive object detection accuracy, false acceptance rate (FAR), false rejection rate (FRR), and resolution which we believe are the most important figures of merit in this case. As the operation of LTE-CommSense is to detect events instead of objects, we redefine the concept of resolution for LTE-CommSense. Two different proposals to represent the redefined resolution, viz., Neyman-Pearson principle-based and Cramer-Rao principle-based resolutions, are presented here. All the performance metrics are derived using practical data captured using a software-defined radio (SDR) platform modeled as an LTE-CommSense receiver. We observe that LTE-CommSense provides better performance in detecting the presence or absence of objects at near range.

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IITH Creators:
IITH CreatorsORCiD
Khan, Mohammed Zafar Ali0000-0002-5880-4023
Item Type: Article
Additional Information: This research is done for CSIDM Project No.CSIDM-200806 partially funded by a grant from the National Research Foundation (NRF) administered by the Media Development Authority (MDA) of Singapore.
Uncontrolled Keywords: Accuracy,downlink (DL),false acceptance rate (FAR),false rejection rate (FRR),long-term evolution (LTE)-CommSense, resolution,software-defined radio (SDR).
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 06 May 2019 05:35
Last Modified: 15 Nov 2022 10:42
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