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Company · Madrid · Spain

Telefonica Research and Development

In research, Telefonica Research and Development stands highest in Computer Science (#3,069 of 4,667 worldwide) and Physical Sciences (#9,162 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Computer Networks and Communications, Computer Science and Electrical and Electronic Engineering — Computer Networks and Communications is 25.6× its share of world research.

tid.esROR OpenAlex
World rank, 2022–2025
#17,574
of 28,054 · #10,696 all time
Rank in Spain
#452
of 658
Research works
1.3k
▼ 42% vs 2013–17
Citations
26k
20.8 per fractional work
Top-10% rate
21.4%
record average 16.5%
Open access
33%
world 28%

What is Telefonica Research and Development known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Computer ScienceField #3,069 of 4,667 22.6%81 #1375
Physical SciencesDomain #9,162 of 12,888 21.8%138 #7126

Each strip is that field’s whole ranked pool, with the notch where Telefonica Research and Development 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Telefonica Research and Development specialise in?

Where its research is concentrated relative to its size: Computer Networks and Communications takes 25.6× the share of its output that it takes of world research.

  1. Computer Networks and CommunicationsSubfield · 36.3 works26×
  2. Computer ScienceField · 81.2 works6.6×
  3. Electrical and Electronic EngineeringSubfield · 35.1 works6.2×
  4. Artificial IntelligenceSubfield · 21.6 works5.7×
← 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.

Agricultural and Biological Sciences: 0.24× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.06× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.19× its world share, 0 worksNeuroscienceComputer Science: 6.58× its world share, 81 worksComputer ScienceEarth and Planetary Sciences: 0.10× its world share, 0 worksEarth and Planetary …Engineering: 2.13× its world share, 51 worksEngineeringEnvironmental Science: 0.10× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 0 worksMaterials ScienceMathematics: 0.13× its world share, 0 worksMathematicsPhysics and Astronomy: 1.20× its world share, 4 worksPhysics and AstronomyDentistry: 0.65× its world share, 0 worksDentistryHealth Professions: 0.15× its world share, 1 worksHealth ProfessionsMedicine: 0.03× its world share, 1 worksMedicineArts and Humanities: 0.05× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.48× its world share, 2 worksBusiness, Management…Decision Sciences: 1.29× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Psychology: 0.19× its world share, 1 worksPsychologySocial Sciences: 0.51× its world share, 10 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 6.6×. Every wedge is a field page.

Who are the top researchers at Telefonica Research and Development?

Ranked on the composite score, Nuria Oliver, Alexandros Karatzoglou and Xavier Amatriain lead among researchers whose main affiliation is Telefonica Research and Development.

  1. 1 Nuria Oliver Spain · #16,149 worldwide 817 citations · 75 works
  2. 2 Alexandros Karatzoglou Spain · #37,173 worldwide 666 citations · 39 works
  3. 3 Xavier Amatriain Spain · #38,857 worldwide 519 citations · 34 works
  4. 4 Pablo Rodríguez Spain · #56,862 worldwide 365 citations · 45 works
  5. 5 Nikolaos Laoutaris Spain · #64,700 worldwide 431 citations · 49 works
  6. 6 Haewoon Kwak Spain · #108,182 worldwide 261 citations · 47 works
  7. 7 Ilias Leontiadis Spain · #176,830 worldwide 244 citations · 25 works
  8. 8 Xavier Anguera Spain · #227,079 worldwide 152 citations · 39 works
  9. 9 Diego López Spain · #305,392 worldwide 246 citations · 97 works
  10. 10 Rade Stanojević Spain · #327,633 worldwide 128 citations · 17 works
All ranked researchers at Telefonica Research and Development

Which keywords describe research at Telefonica Research and Development?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Deep Learning, 5G Networks, Energy Efficiency, Machine Learning, Internet of Things, IoT Security, Wireless Networks and Network Virtualization.

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

Size is fractional works in 2022–2025 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. Deep Learning26▲ 4.7×27 topics
  2. Machine Learning21▲ 4.0×28 topics
  3. 5G Networks17▲ 53×5 topics
  4. Energy Efficiency15▲ 10×8 topics
  5. Internet of Things13▲ 9.2×9 topics
  6. IoT Security13▲ 25×3 topics
  7. Wireless Networks10▲ 42×8 topics
  8. Network Virtualization10▲ 179×1 topic
  9. Software-Defined Networking10▲ 179×1 topic
  10. Security9▲ 8.6×12 topics
  11. Security and Privacy9▲ 29×3 topics
  12. Healthcare9▲ 4.8×6 topics
  13. Mobile Edge Computing8▲ 31×2 topics
  14. Data Mining8▲ 6.4×6 topics
  15. Big Data7▲ 5.1×10 topics
  16. Neural Networks7▲ 2.9×17 topics
  17. Elastic Optical Networks7▲ 267×1 topic
  18. Optical Networks7▲ 267×1 topic
  19. Edge Computing6▲ 32×1 topic
  20. Fog Computing6▲ 35×1 topic
  21. Supply Chain Management6▲ 3.9×3 topics
  22. Massive MIMO6▲ 43×2 topics
  23. Channel Modeling5▲ 26×4 topics
  24. Digital Signal Processing5▲ 66×2 topics
  25. MIMO Systems5▲ 41×2 topics
  26. Anomaly Detection5▲ 11×3 topics
  27. Cybersecurity5▲ 13×3 topics
  28. Microwave Photonics5▲ 35×1 topic
  29. Photonic Signal Processing5▲ 94×1 topic
  30. Optical Fiber5▲ 28×2 topics
  31. Coherent Detection5▲ 69×1 topic
  32. Nonlinear Effects5▲ 69×1 topic
  33. Cyber-Physical Systems5▲ 11×2 topics
  34. Heterogeneous Networks4▲ 29×2 topics
  35. 5G4▲ 47×2 topics
  36. Network Security4▲ 19×2 topics
  37. Intrusion Detection4▲ 17×2 topics
  38. Privacy4▲ 8.6×5 topics
  39. Cellular Networks4▲ 50×1 topic
  40. Spectral Efficiency4▲ 38×2 topics

Which research topics does Telefonica Research and Development publish most on?

By volume in 2022–2025: Software-Defined Networks and 5G, Advanced Optical Network Technologies, IoT and Edge/Fog Computing and Advanced Photonic Communication Systems.

Software-Defined Networks and 5G: 10 fractional worksAdvanced Optical Network Technologies: 7 fractional worksIoT and Edge/Fog Computing6IoT and Edge/Fog Computing: 6 fractional worksAdvanced Photonic Commun…5Advanced Photonic Communication Systems: 5 fractional worksOptical Network Technologies: 5 fractional worksAdvanced MIMO Systems Optimization: 4 fractional worksNetwork Security and Int…4Network Security and Intrusion Detection: 4 fractional worksDigital Transformation in Industry: 4 fractional worksInternet Traffic Analysis and Secure E-voting: 3 fractional worksPrivacy-Preserving Technologies in Data: 3 fractional works
Computer Networks and CommunicationsElectrical and Electronic EngineeringIndustrial and Manufacturing EngineeringArtificial Intelligence

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

  1. 1 Software-Defined Networks and 5G Computer Networks and Communications 10 works
  2. 2 Advanced Optical Network Technologies Electrical and Electronic Engineering 7 works
  3. 3 IoT and Edge/Fog Computing Computer Networks and Communications 6 works
  4. 4 Advanced Photonic Communication Systems Electrical and Electronic Engineering 5 works
  5. 5 Optical Network Technologies Electrical and Electronic Engineering 5 works
  6. 6 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 4 works
  7. 7 Network Security and Intrusion Detection Computer Networks and Communications 4 works
  8. 8 Digital Transformation in Industry Industrial and Manufacturing Engineering 4 works
  9. 9 Internet Traffic Analysis and Secure E-voting Artificial Intelligence 3 works
  10. 10 Privacy-Preserving Technologies in Data Artificial Intelligence 3 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 available33.3%not open66.7%

World: 28% of research is openly available.

with international co-authors39.9%domestic only60.1%

World: 19% is written across borders.

How has Telefonica Research and Development's research output changed?

Output in 2018–2022 was 42% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Madrid

All research institutions in Madrid

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.