Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test

Debatrayee Roychowdhury; Soroush Moallemi; Sule Ozev; Jennifer Kitchen

doi:10.1109/RWS45077.2020.9050038

Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test

Debatrayee Roychowdhury, Soroush Moallemi, Sule Ozev, Jennifer Kitchen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This paper proposes a built-in self-test (BIST) method to measure the amplitude and phase shift characteristics of the RF signal path from the transmitter to receiver in a full-duplex system. With this information, the self-interference signal (SI) may be canceled in the RF domain of a full duplex, or simultaneous transmit and receive (STAR) topology. Analysis and simulation results are presented for a 2.4GHz signal with 200MHz bandwidth, and a prototype of the BIST technique has been measured at 800MHz. The average error in phase and gain between the BIST estimated value and actual RF measured value are 0.95% and 1.43%, respectively, which supports the ability to provide 48dB of SI signal cancellation (SIC).

Original language	English (US)
Title of host publication	RWW 2020 - 2020 IEEE Radio and Wireless Symposium
Publisher	IEEE Computer Society
Pages	16-19
Number of pages	4
ISBN (Electronic)	9781728111209
DOIs	https://doi.org/10.1109/RWS45077.2020.9050038
State	Published - Jan 2020
Event	2020 IEEE Radio and Wireless Symposium, RWW 2020 - San Antonio, United States Duration: Jan 26 2020 → Jan 29 2020

Publication series

Name	IEEE Radio and Wireless Symposium, RWS
Volume	2020-January
ISSN (Print)	2164-2958
ISSN (Electronic)	2164-2974

Conference

Conference	2020 IEEE Radio and Wireless Symposium, RWW 2020
Country/Territory	United States
City	San Antonio
Period	1/26/20 → 1/29/20

Keywords

Built-in Self-test
Full-Duplex
Self Interference Cancelation
Transceivers

ASJC Scopus subject areas

Computer Networks and Communications
Computer Science Applications
Electrical and Electronic Engineering
Communication

Access to Document

10.1109/RWS45077.2020.9050038

Cite this

Roychowdhury, D., Moallemi, S., Ozev, S., & Kitchen, J. (2020). Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test. In RWW 2020 - 2020 IEEE Radio and Wireless Symposium (pp. 16-19). Article 9050038 (IEEE Radio and Wireless Symposium, RWS; Vol. 2020-January). IEEE Computer Society. https://doi.org/10.1109/RWS45077.2020.9050038

Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test. / Roychowdhury, Debatrayee; Moallemi, Soroush; Ozev, Sule et al.
RWW 2020 - 2020 IEEE Radio and Wireless Symposium. IEEE Computer Society, 2020. p. 16-19 9050038 (IEEE Radio and Wireless Symposium, RWS; Vol. 2020-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Roychowdhury, D, Moallemi, S, Ozev, S & Kitchen, J 2020, Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test. in RWW 2020 - 2020 IEEE Radio and Wireless Symposium., 9050038, IEEE Radio and Wireless Symposium, RWS, vol. 2020-January, IEEE Computer Society, pp. 16-19, 2020 IEEE Radio and Wireless Symposium, RWW 2020, San Antonio, United States, 1/26/20. https://doi.org/10.1109/RWS45077.2020.9050038

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abstract = "This paper proposes a built-in self-test (BIST) method to measure the amplitude and phase shift characteristics of the RF signal path from the transmitter to receiver in a full-duplex system. With this information, the self-interference signal (SI) may be canceled in the RF domain of a full duplex, or simultaneous transmit and receive (STAR) topology. Analysis and simulation results are presented for a 2.4GHz signal with 200MHz bandwidth, and a prototype of the BIST technique has been measured at 800MHz. The average error in phase and gain between the BIST estimated value and actual RF measured value are 0.95% and 1.43%, respectively, which supports the ability to provide 48dB of SI signal cancellation (SIC).",

keywords = "Built-in Self-test, Full-Duplex, Self Interference Cancelation, Transceivers",

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AB - This paper proposes a built-in self-test (BIST) method to measure the amplitude and phase shift characteristics of the RF signal path from the transmitter to receiver in a full-duplex system. With this information, the self-interference signal (SI) may be canceled in the RF domain of a full duplex, or simultaneous transmit and receive (STAR) topology. Analysis and simulation results are presented for a 2.4GHz signal with 200MHz bandwidth, and a prototype of the BIST technique has been measured at 800MHz. The average error in phase and gain between the BIST estimated value and actual RF measured value are 0.95% and 1.43%, respectively, which supports the ability to provide 48dB of SI signal cancellation (SIC).

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Self-Interference Signal Path Characterization in Full-Duplex Transceivers Using Built-in Self-Test

Abstract

Publication series

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Keywords

ASJC Scopus subject areas

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