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Research facility · Ipswich · United Kingdom

BT Research

In research, BT Research stands highest in Physical Sciences (#6,840 of 10,670 worldwide), 2022-now. Relative to its size it is most specialised in Electrical and Electronic Engineering and Computer Science (Electrical and Electronic Engineering is 9.6× its share of world research).

bt.com/about/bt/research-and-developmentROR OpenAlex
World rank, 2022-now
#19,703
of 22,385 · #4,491 all time
Rank in United Kingdom
#718
of 862
Research works
2.1k
▼ 13% vs 2018-21
Citations
35k
16.4 per fractional work
Top-10% rate
9.7%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
9%
world 40%
International
13%
world 18%
BT Research

What is BT Research known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #6,840 of 10,670 10.2%72 #2675

Each strip is that field's whole ranked pool, with the notch where BT Research sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does BT Research work in?

In 2022-now, 87% of research at BT Research is in Physical Sciences, 8% in Social Sciences. Its largest fields are Engineering (45%), Computer Science (35%), Physics and Astronomy (3%). It does 2.1× the world's share of Physical Sciences.

Physical Sciences: 77 fractional works · 87.0% of its workEngineering: 40 fractional works · 45.2% of its workElectrical and Electronic Engineering: 30 fractional works · 34.4% of its workAerospace Engineering: 2 fractional works · 2.5% of its workMedia Technology: 2 fractional works · 2.2% of its workControl and Systems Engineering: 1 fractional works · 1.2% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 1.1% of its workBiomedical Engineering: 1 fractional works · 1.0% of its workOcean Engineering: 0 fractional works · 0.6% of its workCivil and Structural Engineering: 0 fractional works · 0.5% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.5% of its workAutomotive Engineering: 0 fractional works · 0.4% of its workBuilding and Construction: 0 fractional works · 0.4% of its workMechanical Engineering: 0 fractional works · 0.4% of its workComputer Science: 31 fractional works · 35.4% of its workArtificial Intelligence: 13 fractional works · 14.2% of its workComputer Networks and Communications: 6 fractional works · 7.2% of its workSignal Processing: 4 fractional works · 4.5% of its workInformation Systems: 4 fractional works · 4.0% of its workComputer Vision and Pattern Recognition: 2 fractional works · 2.2% of its workHuman-Computer Interaction: 2 fractional works · 2.1% of its workHardware and Architecture: 1 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPhysics and Astronomy: 2 fractional works · 2.8% of its workAtomic and Molecular Physics, and Optics: 2 fractional works · 2.0% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.5% of its workAstronomy and Astrophysics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 1.4% of its workMaterials Chemistry: 1 fractional works · 1.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 1 fractional works · 1.0% of its workOceanography: 1 fractional works · 0.6% of its workGeology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 0 fractional works · 0.4% of its workEnergy: 0 fractional works · 0.4% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 0.4% of its workChemical Engineering: 0 fractional works · 0.2% of its workMathematics: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.1% of its workSocial Sciences: 7 fractional works · 8.4% of its workSocial Sciences: 2 fractional works · 2.2% of its workSociology and Political Science: 1 fractional works · 1.0% of its workTransportation: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.5% of its workDecision Sciences: 2 fractional works · 2.0% of its workManagement Science and Operations Research: 1 fractional works · 1.1% of its workInformation Systems and Management: 1 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 1 fractional works · 1.6% of its workLanguage and Linguistics: 0 fractional works · 0.6% of its workLiterature and Literary Theory: 0 fractional works · 0.6% of its workMuseology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 1 fractional works · 1.5% of its workDevelopmental and Educational Psychology: 1 fractional works · 0.8% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.8% of its workBusiness, Management and Accounting: 1 fractional works · 1.0% of its workManagement Information Systems: 0 fractional works · 0.6% of its workMarketing: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.2% of its workEconomics and Econometrics: 0 fractional works · 0.2% of its workHealth Sciences: 3 fractional works · 3.5% of its workMedicine: 2 fractional works · 2.7% of its workSurgery: 1 fractional works · 0.8% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.5% of its workRheumatology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 1.2% of its workHealth Professions: 1 fractional works · 0.7% of its workGeneral Health Professions: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.5% of its workDentistry: 0 fractional works · 0.0% of its workVeterinary: 0 fractional works · 0.0% of its workLife Sciences: 1 fractional works · 1.0% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.6% of its workGenetics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.5% of its workCognitive Neuroscience: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workALL ITS WORKBT Research88fractional works, 2022-now
Life Sciences1%Physical Sciences87%Health Sciences4%Social Sciences8%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 22 fields, with their numbers
    1. Engineering4045.2%
    2. Computer Science3135.4%
    3. Physics and Astronomy22.8%
    4. Materials Science11.4%
    5. Earth and Planetary Sciences11.0%
    6. Environmental Science00.4%
    7. Energy00.4%
    8. Chemical Engineering00.2%
    9. Mathematics00.1%
    10. Chemistry00.1%
    1. Social Sciences22.2%
    2. Decision Sciences22.0%
    3. Arts and Humanities11.6%
    4. Psychology11.5%
    5. Business, Management and Accounting11.0%
    6. Economics, Econometrics and Finance00.2%
    1. Medicine22.7%
    2. Health Professions10.7%
    3. Dentistry00.0%
    4. Veterinary00.0%
    1. Biochemistry, Genetics and Molecular Biology00.6%
    2. Neuroscience00.5%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does BT Research specialise in?

Where its research is concentrated relative to its size: Electrical and Electronic Engineering takes 9.6× the share of its output that it takes of world research.

  1. Electrical and Electronic EngineeringSubfield · 30.4 works9.6×
  2. Computer ScienceField · 31.3 works4.5×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Biochemistry, Genetics and Molecular Biology: 0.10× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.28× its world share, 0 worksNeuroscienceChemical Engineering: 0.54× its world share, 0 worksChemical EngineeringChemistry: 0.05× its world share, 0 worksChemistryComputer Science: 4.55× its world share, 31 worksComputer ScienceEarth and Planetary Sciences: 0.66× its world share, 1 worksEarth and Planetary …Energy: 0.41× its world share, 0 worksEnergyEngineering: 3.02× its world share, 40 worksEngineeringEnvironmental Science: 0.09× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.41× its world share, 1 worksMaterials ScienceMathematics: 0.11× its world share, 0 worksMathematicsPhysics and Astronomy: 1.24× its world share, 2 worksPhysics and AstronomyDentistry: 0.10× its world share, 0 worksDentistryHealth Professions: 0.28× its world share, 1 worksHealth ProfessionsMedicine: 0.14× its world share, 2 worksMedicineVeterinary: 0.35× its world share, 0 worksVeterinaryArts and Humanities: 0.54× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.31× its world share, 1 worksBusiness, Management…Decision Sciences: 2.05× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.09× its world share, 0 worksEconomics, Econometr…Psychology: 0.50× its world share, 1 worksPsychologySocial Sciences: 0.17× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 4.5×. Every wedge is a field page.

All 22 fields, with their numbers
  1. Computer Science4.55×31 works
  2. Engineering3.02×40 works
  3. Decision Sciences2.05×2 works
  4. Physics and Astronomy1.24×2 works
  5. Earth and Planetary Sciences0.66×1 works
  6. Chemical Engineering0.54×0 works
  7. Arts and Humanities0.54×1 works
  8. Psychology0.50×1 works
  9. Energy0.41×0 works
  10. Materials Science0.41×1 works
  11. Veterinary0.35×0 works
  12. Business, Management and Accounting0.31×1 works
  13. Neuroscience0.28×0 works
  14. Health Professions0.28×1 works
  15. Social Sciences0.17×2 works
  16. Medicine0.14×2 works
  17. Mathematics0.11×0 works
  18. Biochemistry, Genetics and Molecular Biology0.10×0 works
  19. Dentistry0.10×0 works
  20. Environmental Science0.09×0 works
  21. Economics, Econometrics and Finance0.09×0 works
  22. Chemistry0.05×0 works

Who are the top researchers at BT Research?

Ranked on the quality score, Simon J. D. Phoenix, Alan P. Smith and R.M. Percival lead among researchers whose main affiliation is BT Research.

  1. 1 Simon J. D. Phoenix United Kingdom · #973,282 worldwide 5k citations · 73 works
  2. 2 Alan P. Smith United Kingdom · #1,399,645 worldwide 958 citations · 38 works
  3. 3 R.M. Percival United Kingdom · #1,723,164 worldwide 1.5k citations · 52 works
  4. 4 Divine T. Ndumu United Kingdom · #1,861,254 worldwide 1.3k citations · 29 works
  5. 5 Detlef D. Nauck United Kingdom · #1,942,432 worldwide 4.2k citations · 203 works
  6. 6 Li-Qun Xu United Kingdom · #2,037,686 worldwide 2.1k citations · 87 works
  7. 7 Derek Nesset United Kingdom · #2,398,969 worldwide 4k citations · 121 works
  8. 8 J.V. Collins United Kingdom · #2,467,673 worldwide 707 citations · 36 works
  9. 9 Paul O’Brien United Kingdom · #2,512,731 worldwide 896 citations · 16 works
  10. 10 David Wake United Kingdom · #2,524,101 worldwide 3.3k citations · 128 works
All ranked researchers at BT Research

What are the most cited papers from BT Research?

The most cited paper from BT Research is "A Multi-Modal Distributed Real-Time IoT System for Urban Traffic Control (Invited Paper)" (Khanam, Zeba, Achari, Vejey Pradeep Suresh, Boukhennoufa, Issam et al., 2024), with 14,399 citations. Next come "Software agents: an overview" (1,588) and "Elastic optical networking: a new dawn for the optical layer?" (1,571).

Most cited papers
#PaperReleasedCitations
1 A Multi-Modal Distributed Real-Time IoT System for Urban Traffic Control (Invited Paper) Khanam, Zeba, Achari, Vejey Pradeep Suresh, Boukhennoufa, Issam et al. · DROPS (Schloss Dagstuhl – Leibniz Center for Informatics) Open access 2024 14,399
2 Software agents: an overview Hyacinth S. Nwana · The Knowledge Engineering Review Sep 1996 1,588
3 Elastic optical networking: a new dawn for the optical layer? Ori Gerstel, Masahiko Jinno, Andrew Lord et al. · IEEE Communications Magazine Feb 2012 1,571
4 Convergent Tree-Reweighted Message Passing for Energy Minimization Vladimir Kolmogorov · IEEE Transactions on Pattern Analysis and Machine Intelligence 23 Aug 2006 1,123
5 Theory of rumour spreading in complex social networks Maziar Nekovee, Yamir Moreno, Ginestra Bianconi et al. · Physica A Statistical Mechanics and its Applications Open access 2 Aug 2006 801
All 60 most cited papers, with filters and sorting

Which keywords describe research at BT Research?

By fractional works in 2022-now, weighted toward what it does more of than the world: Energy Efficiency, Deep Learning, Optical Fiber, Coherent Detection, Digital Signal Processing, Neural Networks, Microwave Photonics and Photonic Signal Processing.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Energy Efficiency10▲ 12×9 topics
  2. Deep Learning10▲ 3.3×17 topics
  3. Neural Networks7▲ 4.9×11 topics
  4. Optical Fiber6▲ 68×2 topics
  5. Coherent Detection6▲ 160×1 topic
  6. Digital Signal Processing6▲ 140×1 topic
  7. Microwave Photonics5▲ 72×1 topic
  8. Photonic Signal Processing5▲ 189×1 topic
  9. Machine Learning5▲ 1.63×14 topics
  10. Beamforming4▲ 49×4 topics
  11. Convolutional Neural Networks4▲ 7.0×2 topics
  12. Acoustic Modeling4▲ 128×1 topic
  13. Deep Neural Networks4▲ 39×1 topic
  14. Elastic Optical Networks4▲ 279×1 topic
  15. Optical Networks4▲ 279×1 topic
  16. Audio-Visual Speech Recognition3▲ 66×1 topic
  17. Speech Enhancement3▲ 66×1 topic
  18. MIMO Systems3▲ 41×3 topics
  19. Channel Modeling3▲ 26×5 topics
  20. Wireless Communication3▲ 21×4 topics
  21. 5G Networks3▲ 15×4 topics
  22. Distributed Systems2▲ 16×3 topics
  23. IoT Security2▲ 9.3×3 topics
  24. Reinforcement Learning2▲ 24×2 topics
  25. Broadband2▲ 70×2 topics
  26. Anomaly Detection2▲ 8.9×3 topics
  27. Wireless Networks2▲ 17×7 topics
  28. Massive MIMO2▲ 30×2 topics
  29. Wireless Sensor Networks2▲ 5.0×5 topics
  30. Channel Estimation2▲ 25×2 topics
  31. Markov Decision Processes2▲ 97×1 topic
  32. Resource Management2▲ 13×2 topics
  33. Spoken Dialogue Systems2▲ 97×1 topic
  34. Cloud Computing2▲ 7.3×1 topic
  35. Corpus Linguistics2▲ 9.4×2 topics
  36. MapReduce2▲ 35×1 topic
  37. Smart Grid2▲ 5.6×3 topics
  38. 5G2▲ 33×2 topics
  39. Intelligent Reflecting Surfaces2▲ 49×1 topic
  40. Non-Orthogonal Multiple Access2▲ 49×1 topic

Which research topics does BT Research publish most on?

By volume in 2022-now: Optical Network Technologies, Advanced Photonic Communication Systems, Speech Recognition and Synthesis and Advanced Optical Network Technologies.

Optical Network Technologies: 6 fractional worksAdvanced Photonic Communication Systems: 5 fractional worksSpeech Recognition and Synthesis: 4 fractional worksAdvanced Optical Network Technologies: 4 fractional worksSpeech and Audio Processing: 3 fractional worksSpeech and dialogue syst…2Speech and dialogue systems: 2 fractional worksCloud Computing and Resource Management: 2 fractional worksAdvanced Wireless Communication Technologies: 2 fractional worksAdvanced MIMO Systems Optimization: 1 fractional worksPower Line Communications and Noise: 1 fractional works
Electrical and Electronic EngineeringArtificial IntelligenceSignal ProcessingInformation Systems

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Optical Network Technologies Electrical and Electronic Engineering 6 works
  2. 2 Advanced Photonic Communication Systems Electrical and Electronic Engineering 5 works
  3. 3 Speech Recognition and Synthesis Artificial Intelligence 4 works
  4. 4 Advanced Optical Network Technologies Electrical and Electronic Engineering 4 works
  5. 5 Speech and Audio Processing Signal Processing 3 works
  6. 6 Speech and dialogue systems Artificial Intelligence 2 works
  7. 7 Cloud Computing and Resource Management Information Systems 2 works
  8. 8 Advanced Wireless Communication Technologies Electrical and Electronic Engineering 2 works
  9. 9 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 1 works
  10. 10 Power Line Communications and Noise Electrical and Electronic Engineering 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available8.7%not open91.3%

World: 40% of research is openly available.

with international co-authors12.6%domestic only87.4%

World: 18% is written across borders.

How has BT Research's research output changed?

Output in 2022-2025 was 13% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is BT Research as a percentage of every work published that year, 0.00048% in 2024.

still counting0.010%0.020%BT Research0.00025% in 202519801990200020102020

Fractional works of BT Research over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

10%20%all institutions10.0% in 2024BT Research4.1% in 2024200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 15.9% in 2009.

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BT Research on Science Explorer

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