Professor Kevin A Morris

B.Eng., Ph.D.(Bristol)

  • BS8 1UB

19972020

Research output per year

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Research Output

  • 64 Conference Contribution (Conference Proceeding)
  • 35 Article (Academic Journal)
  • 5 Conference Paper
2019

Analysis of optimal outphasing load trajectories for GaN Pas

De Falco, P. E., Watkins, G., Mimis, K., Bensmida, S. & Morris, K., 17 Jan 2019, 2018 Asia-Pacific Microwave Conference, APMC 2018 - Proceedings. Institute of Electrical and Electronics Engineers (IEEE), Vol. 2018-November. p. 58-60 3 p. 8617660

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

Open Access
File
109 Downloads (Pure)

In-band full-duplex in hand-held applications: analysis of canceller tuning requirements

Laughlin, L., Zhang, C. J., Beach, M. & Morris, K., Feb 2019, 2018 IEEE Wireless Advanced (WIAD 2018): Proceedings of a meeting held 26-28 June 2018, London, United Kingdom. Institute of Electrical and Electronics Engineers (IEEE), p. 41-45 5 p. 8588446

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

Open Access
File
177 Downloads (Pure)

Minimum Downlink Band Duplex Isolation Requirements for LTE User Equipment

Laughlin, L., Zhang, C. J., Beach, M., Morris, K. & Haine, J., 20 May 2019, 2019 IEEE International Conference on Communications Workshops (ICC Workshops). Institute of Electrical and Electronics Engineers (IEEE), 6 p. (IEEE International Conference on Communications Workshops (ICC Workshops)).

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

Open Access
File
187 Downloads (Pure)

Tunable Duplexers: Downlink Band Isolation Requirements for LTE User Equipment

Laughlin, L., Zhang, C. J., Beach, M., Morris, K. & Haine, J., 1 Oct 2019, In : IEEE Wireless Communications Letters. 8, 5, p. 1349-1352 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
121 Downloads (Pure)
2018

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

Laughlin, L., Zhang, C., Beach, M. A., Morris, K. A., Haine, J. L. & Khan, M. K., Aug 2018, 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), p. 1207-1210 4 p. 8439253

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

Open Access
File
3 Citations (Scopus)
229 Downloads (Pure)

A Comparison of Lumped-Based Tunable Matching Networks for Dynamically-Load-Modulated Power Amplifiers

Arabi, E., Gamlath, C., Morris, K. & Beach, M., Feb 2018, 2017 IEEE Asia Pacific Microwave Conference (APMC) (APMC2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia. Institute of Electrical and Electronics Engineers (IEEE), p. 33-36 4 p.

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

Open Access
File
1 Citation (Scopus)
231 Downloads (Pure)

A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning

Gamlath, C., Arabi, E. & Morris, K. A., Feb 2018, 2017 IEEE Asia Pacific Microwave Conference (APMC 2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia.. Institute of Electrical and Electronics Engineers (IEEE), p. 980-983 4 p.

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

Open Access
File
1 Citation (Scopus)
215 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
229 Downloads (Pure)

Phase Noise in Full-Duplex Radios Using Off-the-Shelf Oscillators

Zhang, C., Laughlin, L., Beach, M. A., Morris, K. A. & Haine, J. L., 1 Apr 2018, In : IEEE Wireless Communications Letters. 7, 2, p. 206-209 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
257 Downloads (Pure)

Tunable Frequency-Division Duplex RF Front End Using Electrical Balance and Active Cancellation

Laughlin, L., Zhang, C., Beach, M. A., Morris, K. A., Haine, J. L., Khan, M. K. & McCullagh, M., 1 Dec 2018, In : IEEE Transactions on Microwave Theory and Techniques. 66, 12, p. 5812-5824 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
10 Citations (Scopus)
334 Downloads (Pure)
2017

Analysis of the Coverage of Tunable Matching Networks with Three Tunable Elements

Arabi, E., Jiao, X., Morris, K. & Beach, M., 5 Oct 2017, 2017 IEEE MTT-S International Microwave Symposium (IMS 2017): Proceedings of a meeting held 6-9 April 2017, Hawaii, USA. Institute of Electrical and Electronics Engineers (IEEE)

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

Open Access
File
4 Citations (Scopus)
286 Downloads (Pure)

Analytical Formulas for the Coverage of Tunable Matching Networks for Reconfigurable Applications

Arabi, E., Morris, K. & Beach, M., Sep 2017, In : IEEE Transactions on Microwave Theory and Techniques. 65, 9, p. 3211-3220 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
8 Citations (Scopus)
420 Downloads (Pure)

An Optimization-Based Design Technique for Multi-Band Power Amplifiers

Arabi, E., Bagot, P., Ben Smida, S., Morris, K. & Beach, M., 27 Nov 2017, In : Progress in Electromagnetic Research C. 80, 12 p., 17090601.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
214 Downloads (Pure)

Asymmetrical outphasing: Exploiting conjugate continuous modes of operation

De Falco, P. E., Birchall, J., Ben Smida, S., Morris, K., Mimis, K. & Watkins, G., May 2017, Proceedings of the 2017 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, PAWR 2017. Institute of Electrical and Electronics Engineers (IEEE), p. 18-21 4 p. 7875562

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

Open Access
File
2 Citations (Scopus)
213 Downloads (Pure)

Design of a triple-band power amplifier using a genetic algorithm and the continuous mode method

Arabi, E., De Falco, P. E., Birchall, J., Morris, K. & Beach, M., May 2017, 2017 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR 2017): Proceedings of a meeting held 15-18 January 2017, Phoenix, Arizona, USA. Institute of Electrical and Electronics Engineers (IEEE), p. 48-51 4 p. (Proceedings of the Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR)).

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

Open Access
File
3 Citations (Scopus)
300 Downloads (Pure)

Dynamic Performance of Electrical Balance Duplexing in a Vehicular Scenario

Laughlin, L., Zhang, C. J., Beach, M., Morris, K. & Haine, J., Feb 2017, In : IEEE Antennas and Wireless Propagation Letters. 16, p. 844-847 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
279 Downloads (Pure)

Efficiency enhancement of M2M communications over LTE using adaptive load pull techniques

Birchall, J., De Falco, P. E., Morris, K. & Beach, M., May 2017, 2017 IEEE Radio and Wireless Symposium (RWS 2017): Proceedings of a meeting held 15-18 January 2017, Phoenix, Arizona, USA. Institute of Electrical and Electronics Engineers (IEEE), p. 26-28 3 p.

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

Open Access
File
1 Citation (Scopus)
265 Downloads (Pure)

Electrical Balance Duplexer Field Trials in High-Speed Rail Scenarios

Laughlin, L., Zhang, C. J., Beach, M., Morris, K. & Haine, J., 1 Nov 2017, In : IEEE Transactions on Antennas and Propagation. 65, 11, p. 6068-6075 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
4 Citations (Scopus)
256 Downloads (Pure)

Load Modulation of Harmonically Tuned Amplifiers and Application to Outphasing Systems

Morris, K., De Falco, P. E., Konstantinos, M., Ben Smida, S., Watkins, G., Wallis Barton, T. & Pednekar, P., Oct 2017, In : IEEE Transactions on Microwave Theory and Techniques. 65, 10, p. 3596-3612 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
12 Citations (Scopus)
434 Downloads (Pure)

M2M Communications over LTE - Evaluating Energy Consumption Models

Birchall, J., Morris, K. & Beach, M., 20 Jul 2017, p. 536-540. 5 p.

Research output: Contribution to conferenceConference Paper

Open Access
File
2 Citations (Scopus)
115 Downloads (Pure)
2016

An Ultra-Wideband Digitally Programmable Power Amplifier with Efficiency Enhancement for Cellular and Emerging Wireless Communication Standards

Albasha, L., Clifton, C., Jingu, Y., Lawrenson, A., Motoyama, H., Ben Smida, S., Morris, K. & Kohama, K., Oct 2016, In : IEEE Transactions on Circuits and Systems - I: Regular Papers. 63, 10, p. 1579-1591 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
7 Citations (Scopus)
366 Downloads (Pure)

Comparison of Filter Bank Multi-Carrier and orthogonal frequency-division multiplexing RFPA linearisation requirement

Gebremicael, K. N., Morris, K. A., Beach, M. A., Wales, S. & Ben Smida, S., 4 Oct 2016, 2016 46th European Microwave Conference (EuMC).

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

Extending the Characterization Bandwidth of Dynamic Nonlinear Transmitters with Application to Digital Predistortion

Ben Smida, S., Hammi, O., Kwan, A., Sharawi, M. S., Morris, K. & Ghannouchi, F. M., 19 Jul 2016, In : IEEE Transactions on Microwave Theory and Techniques. 64, 8, p. 2640-2651 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
368 Downloads (Pure)

Maximizing the benefit of existing equipment for nonlinear and communication measurements

Humphreys, D., Raffo, A., Bosi, G., Vannini, G., Schreurs, D., Gebremicael, K. N. & Morris, K., 30 Jun 2016, Proceedings of the 2016 87th ARFTG Microwave Measurement Conference (ARFTG).

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

Open Access
File
6 Citations (Scopus)
234 Downloads (Pure)

Micro-Electromechanical impedance control for Electrical Balance Duplexing

Zhang, C., Laughlin, L., Beach, M., Morris, K. & Haine, J., 20 May 2016, European Wireless 2016: 22th European Wireless Conference: 18-20 May 2016, University of Oulu, Finland. Katz, M. (ed.). VDE Verlag, 6 p. 74

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

Open Access
File
85 Downloads (Pure)

Passive and Active Electrical Balance Duplexers

Laughlin, L., Zhang, C., Beach, M. A., Morris, K. A. & Haine, J. L., Jan 2016, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 63, 1, p. 94-98 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
20 Citations (Scopus)
398 Downloads (Pure)
2015

A Widely Tunable Full Duplex Transceiver Combining Electrical Balance Isolation and Active Analog Cancellation

Laughlin, L., Zhang, C., Beach, M., Morris, K. & Haine, J., 2 Jul 2015, Vehicular Technology Conference (VTC Spring), 2015 IEEE 81st. Institute of Electrical and Electronics Engineers (IEEE), p. 1-5 5 p. (Vehicular Technology, IEEE Conference).

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

Open Access
File
16 Citations (Scopus)
229 Downloads (Pure)

Electrical Balance Duplexer Adaptation in Indoor Mobile Scenarios

Laughlin, L., Beach, M., Morris, K. & Haine, J., Apr 2015.

Research output: Contribution to conferenceConference Paper

4 Citations (Scopus)
23 Downloads (Pure)

Electrical Balance Duplexing for Small Form Factor Realisation of In-Band Full-Duplex

Laughlin, L., Beach, M. A., Morris, K. A. & Haine, J. L., 14 May 2015, In : IEEE Communications Magazine. 53, 5, p. 102-110 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
44 Citations (Scopus)
260 Downloads (Pure)

Electrical Balance Isolation for Flexible Duplexing in 5G Mobile Devices

Laughlin, L., Beach, M., Morris, K. & Haine, J., Jun 2015.

Research output: Contribution to conferenceConference Paper

6 Citations (Scopus)
44 Downloads (Pure)

Flexible Duplex Transceivers for 5G and Beyond Wireless Access

Beach, M., Laughlin, L., Zhang, C., Morris, K., Haine, J. & McCullagh, M., May 2015.

Research output: Contribution to conferenceConference Paper

Improved Reactance-Compensation Technique for the Design of Wideband Suboptimum Class-E Power Amplifiers

Zhou, J., Morris, K., Watkins, G. & Yamaguchi, K., 27 Jul 2015, In : IEEE Transactions on Microwave Theory and Techniques. 63, 9, p. 2793-2801 9 p., 15414379.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
16 Citations (Scopus)
550 Downloads (Pure)

The impact of channel spacing on memory polynomial model in concurrent dual-band RF power amplification

Gebremicael, K. N., Morris, K. A., Beach, M. A., Bensmida, S., Wales, S. & Collett, M. A., 25 Jan 2015, 2015 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications (PAWR).

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

2014

A Digital Predistortion System With Extended Correction Bandwidth With Application to LTE-A Nonlinear Power Amplifiers

Hammi, O., Kwan, A., Bensmida, S., Morris, K. A. & Ghannouchi, F. M., Dec 2014, In : IEEE Transactions on Circuits and Systems - I: Regular Papers. 61, 12, p. 3487-3495 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
38 Citations (Scopus)
612 Downloads (Pure)

Advanced GaAs power amplifier architecture linearized with a post-distortion method

Bensmida, S., Morris, K. A., Clifton, J. C. & Lawrenson, A., 2014, IEEE MTT-S International Microwave Symposium Digest. Institute of Electrical and Electronics Engineers (IEEE), 6848428

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

3 Citations (Scopus)

Behavioral modeling of class-J amplifier driven by 100MHz LTE-advanced signal using dynamic nonlinearity reduction

Hammi, O., Bensmida, S. & Morris, K., 2014, PAWR 2014 - Proceedings: 2014 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications. IEEE Computer Society, p. 67-69 3 p. 6825737

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

3 Citations (Scopus)

High bandwidth investigations of a baseband linearization approach formulated in the envelope domain under modulated stimulus

Ogboi, F. L., Tasker, P. J., Akmal, M., Lees, J., Benedikt, J., Bensmida, S., Morris, K., Beach, M. & McGeehan, J., 23 Dec 2014, European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuMIC 2014: 9th European Microwave Integrated Circuits Conference. Institute of Electrical and Electronics Engineers (IEEE), p. 361-364 4 p. 6997867

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

High bandwidth investigations of a baseband linearization approach formulated in the envelope domain under modulated stimulus

Ogboi, F. L., Tasker, P. J., Akmal, M., Lees, J., Benedikt, J., Bensmida, S., Morris, K., Beach, M. & McGeehan, J., 15 Dec 2014, European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference. Institute of Electrical and Electronics Engineers (IEEE), p. 1305-1308 4 p. 6986683

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

1 Citation (Scopus)

Investigation of various envelope complexity linearity under modulated stimulus using a new envelope formulation approach

Ogboi, F. L., Tasker, P. J., Akmal, M., Lees, J., Benedikt, J., Bensmida, S., Morris, K., Beach, M. & McGeehan, J., 5 Dec 2014, Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. Institute of Electrical and Electronics Engineers (IEEE), 6978563

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

1 Citation (Scopus)

Optimum single antenna full duplex using hybrid junctions

Laughlin, L., Beach, M. A., Morris, K. A. & Haine, J. L., Sep 2014, In : IEEE Journal of Selected Areas in Communications. 32, 9, p. 1653-1661 9 p., 6832460.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
43 Citations (Scopus)
277 Downloads (Pure)

Performance Variation in Electrical Balance Duplexers due to User Interaction

Laughlin, L., Beach, M. A., Morris, K. A. & Haine, J. L., Sep 2014.

Research output: Contribution to conferenceConference Paper

5 Citations (Scopus)
60 Downloads (Pure)

Sensitivity of AM/AM linearizer to AM/PM distortion in devices

Ogboi, F. L., Tasker, P., Mohkti, Z., Lees, J., Benedikt, J., Bensmida, S., Morris, K., Beach, M. & McGeehan, J., 2014, 83rd ARFTG Microwave Measurement Conference: Microwave Measurements for Emerging Technologies, ARFTG 2014. Institute of Electrical and Electronics Engineers (IEEE), 6899507

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

2 Citations (Scopus)
2013

A LSNA configured to perform baseband engineering for device linearity investigations under modulated excitations

Ogboi, F. L., Tasker, P. J., Akmal, M., Lees, J., Benedikt, J., Bensmida, S., Morris, K., Beach, M. & McGeehan, J., 2013, European Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013: 43rd European Microwave Conference. p. 684-687 4 p. 06686748

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

17 Citations (Scopus)

HIGH-EFFICIENCY WIDEBAND CLASS-E PA WITH REDUCED CIRCUIT ELEMENTS

Zhou, J., Morris, K., Watkins, G. & Yamaguchi, K., Feb 2013, In : Microwave and Optical Technology Letters. 55, 2, p. 323-325 3 p.

Research output: Contribution to journalArticle (Academic Journal)

3 Citations (Scopus)

Inverse Active Load-Pull in an Inverse Doherty Amplifier

Hone, T. M., Ben Smida, S., Morris, K. A., Beach, M. A., McGeehan, J. P., Lees, J., Benedikt, J. & Tasker, P. J., 2013, 2013 IEEE TOPICAL CONFERENCE ON POWER AMPLIFIERS FOR WIRELESS AND RADIO APPLICATIONS (PAWR). NEW YORK: IEEE Computer Society, p. 4-6 3 p. (IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications).

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

1 Citation (Scopus)

Ultra-wideband filters with transmission zeros in the passband

Zhou, J. & Morris, K., Sep 2013, In : Microwave and Optical Technology Letters. 55, 9, p. 2165-2168 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Wideband class-E power amplifier covering the whole UHF broadcast band

Zhou, J., Morris, K., Watkins, G. & Yamaguchi, K., 2013, European Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMIC 2013: 8th European Microwave Integrated Circuits Conference. p. 336-339 4 p. 6687854

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

2 Citations (Scopus)

Wideband class-E power amplifier covering the whole UHF broadcast band

Zhou, J., Morris, K., Watkins, G. & Yamaguchi, K., 2013, European Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013: 43rd European Microwave Conference. p. 1307-1310 4 p. 06686905

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

4 Citations (Scopus)
2012

A Proposal for Adopting the Frequency Response of an Envelope Amplifier with Memoryless DPD EER PA Model

Kato, T., Kogami, Y., Funahashi, Y., Yamaoka, A., Yamaguchi, K., Tanabe, Y., Zhou, J., Morris, K. & Watkins, G. T., Jul 2012, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E95C, 7, p. 1163-1171 9 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Characterization of electrical memory effects for complex multi-tone excitations using broadband active baseband load-pull

Akmal, M., Ogboi, F. L., Yusoff, Z., Lees, J., Carrubba, V., Choi, H., Bensmida, S., Morris, K., Beach, M., McGeehan, J., Benedikt, J. & Tasker, P. J., 2012, European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012. p. 885-888 4 p. 6483943

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

2 Citations (Scopus)