A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation

Leo Laughlin; Chunqing Zhang; Mark A. Beach; Kevin A. Morris; John L. Haine; Muhammad Kalimuddin Khan

doi:10.1109/MWSYM.2018.8439253

A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation

Leo Laughlin, Chunqing Zhang, Mark A. Beach, Kevin A. Morris, John L. Haine, Muhammad Kalimuddin Khan

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

5 Citations (Scopus)

427 Downloads (Pure)

Abstract

This paper presents a novel tunable FDD transceiver architecture which uses an electrical balance duplexer (EBD) to isolate Tx noise in the Rx band, and combines this with active self-interference cancellation to suppress the Tx blocker. This overcomes the limited isolation bandwidth of EBDs, shifting complexity from the RF domain to the digital baseband domain in order to provide isolation in both bands. A discrete hardware prototype has shown promising results and demonstrated the viability of this architecture, achieving 6.0-7.4 dB antenna referred noise figure in a 20 MHz downlink bandwidth, in the presence of a +27 dBm Tx blocker, across a range of duplex configurations in the 700-950 MHz range.

Original language	English
Title of host publication	2018 IEEE MTT-S International Microwave Symposium (IMS 2018)
Subtitle of host publication	Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	1207-1210
Number of pages	4
ISBN (Electronic)	9781538650677
ISBN (Print)	9781538650684
DOIs	https://doi.org/10.1109/MWSYM.2018.8439253
Publication status	Published - Aug 2018
Event	2018 IEEE/MTT-S International Microwave Symposium, IMS 2018 - Philadelphia, United States Duration: 10 Jun 2018 → 15 Jun 2018

Publication series

Name
ISSN (Electronic)	2576-7216

Conference

Conference	2018 IEEE/MTT-S International Microwave Symposium, IMS 2018
Country/Territory	United States
City	Philadelphia
Period	10/06/18 → 15/06/18

Keywords

Duplexers
FDD
IBFD
self-interference

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10.1109/MWSYM.2018.8439253

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Accepted author manuscript, 6.22 MB

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Laughlin, L., Zhang, C., Beach, M. A., Morris, K. A., Haine, J. L., & Khan, M. K. (2018). A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation. In 2018 IEEE MTT-S International Microwave Symposium (IMS 2018): Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA (pp. 1207-1210). Article 8439253 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/MWSYM.2018.8439253

Laughlin, Leo ; Zhang, Chunqing ; Beach, Mark A. et al. / A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation. 2018 IEEE MTT-S International Microwave Symposium (IMS 2018): Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA. Institute of Electrical and Electronics Engineers (IEEE), 2018. pp. 1207-1210

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abstract = "This paper presents a novel tunable FDD transceiver architecture which uses an electrical balance duplexer (EBD) to isolate Tx noise in the Rx band, and combines this with active self-interference cancellation to suppress the Tx blocker. This overcomes the limited isolation bandwidth of EBDs, shifting complexity from the RF domain to the digital baseband domain in order to provide isolation in both bands. A discrete hardware prototype has shown promising results and demonstrated the viability of this architecture, achieving 6.0-7.4 dB antenna referred noise figure in a 20 MHz downlink bandwidth, in the presence of a +27 dBm Tx blocker, across a range of duplex configurations in the 700-950 MHz range.",

keywords = "Duplexers, FDD, IBFD, self-interference",

author = "Leo Laughlin and Chunqing Zhang and Beach, {Mark A.} and Morris, {Kevin A.} and Haine, {John L.} and Khan, {Muhammad Kalimuddin}",

year = "2018",

month = aug,

doi = "10.1109/MWSYM.2018.8439253",

language = "English",

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Laughlin, L, Zhang, C, Beach, MA, Morris, KA, Haine, JL & Khan, MK 2018, A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation. in 2018 IEEE MTT-S International Microwave Symposium (IMS 2018): Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA., 8439253, Institute of Electrical and Electronics Engineers (IEEE), pp. 1207-1210, 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018, Philadelphia, United States, 10/06/18. https://doi.org/10.1109/MWSYM.2018.8439253

A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation. / Laughlin, Leo; Zhang, Chunqing; Beach, Mark A. et al.
2018 IEEE MTT-S International Microwave Symposium (IMS 2018): Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA. Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 1207-1210 8439253.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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AU - Zhang, Chunqing

AU - Beach, Mark A.

AU - Morris, Kevin A.

AU - Haine, John L.

AU - Khan, Muhammad Kalimuddin

PY - 2018/8

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N2 - This paper presents a novel tunable FDD transceiver architecture which uses an electrical balance duplexer (EBD) to isolate Tx noise in the Rx band, and combines this with active self-interference cancellation to suppress the Tx blocker. This overcomes the limited isolation bandwidth of EBDs, shifting complexity from the RF domain to the digital baseband domain in order to provide isolation in both bands. A discrete hardware prototype has shown promising results and demonstrated the viability of this architecture, achieving 6.0-7.4 dB antenna referred noise figure in a 20 MHz downlink bandwidth, in the presence of a +27 dBm Tx blocker, across a range of duplex configurations in the 700-950 MHz range.

AB - This paper presents a novel tunable FDD transceiver architecture which uses an electrical balance duplexer (EBD) to isolate Tx noise in the Rx band, and combines this with active self-interference cancellation to suppress the Tx blocker. This overcomes the limited isolation bandwidth of EBDs, shifting complexity from the RF domain to the digital baseband domain in order to provide isolation in both bands. A discrete hardware prototype has shown promising results and demonstrated the viability of this architecture, achieving 6.0-7.4 dB antenna referred noise figure in a 20 MHz downlink bandwidth, in the presence of a +27 dBm Tx blocker, across a range of duplex configurations in the 700-950 MHz range.

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Laughlin L, Zhang C, Beach MA, Morris KA, Haine JL, Khan MK. A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation. In 2018 IEEE MTT-S International Microwave Symposium (IMS 2018): Proceedings of a meeting held 10-15 June 2018, Philadelphia, Pennsylvania, USA. Institute of Electrical and Electronics Engineers (IEEE). 2018. p. 1207-1210. 8439253 Epub 2018 Aug 17. doi: 10.1109/MWSYM.2018.8439253

A 700-950 MHz Tunable Frequency Division Duplex Transceiver Combining Passive and Active Self-interference Cancellation

Abstract

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Keywords

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