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Company · Changsha · China

China Telecom (China)

In research, China Telecom (China) stands highest in Computer Science (#888 of 4,667 worldwide), Engineering (#1,314 of 6,636 worldwide) and Physical Sciences (#3,470 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Computer Networks and Communications, Media Technology and Signal Processing — Computer Networks and Communications is 17.8× its share of world research.

chinatelecomglobal.comROR OpenAlex
World rank, 2022–2025
#5,844
of 28,054 · #10,875 all time
Rank in China
#1,240
of 3,058
Research works
3k
▲ 24% vs 2013–17
Citations
13k
4.4 per fractional work
Top-10% rate
13.3%
record average 16.5%
Open access
14%
world 28%

What is China Telecom (China) 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 #888 of 4,667 12.1%583 #2009
EngineeringField #1,314 of 6,636 13.7%535 #2302
Physical SciencesDomain #3,470 of 12,888 13.1%1,165 #6526
Computer Networks and CommunicationsSubfield #279 of 705 10.1%202 #940
Electrical and Electronic EngineeringSubfield #1,041 of 2,318 8.4%260 #1452
Artificial IntelligenceSubfield #873 of 1,884 16.4%149 #1847
Aerospace EngineeringSubfield #383 of 795 36.2%97 #1312
Computer Vision and Pattern RecognitionSubfield #602 of 941 15.3%90 #1400
Social SciencesDomain #8,382 of 10,521 14.4%87 #14739
Information SystemsSubfield #1,093 of 1,291 8.1%79 #1824

Each strip is that field’s whole ranked pool, with the notch where China Telecom (China) 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Computer Science#2,009 #888
  2. Engineering#2,302 #1,314
  3. Physical Sciences#6,526 #3,470
  4. Computer Networks and Communications#940 #279
  5. Electrical and Electronic Engineering#1,452 #1,041
  6. Artificial Intelligence#1,847 #873
  7. Aerospace Engineering#1,312 #383
  8. Computer Vision and Pattern Recognition#1,400 #602
  9. Social Sciences#14,739 #8,382
  10. Information Systems#1,824 #1,093
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does China Telecom (China) specialise in?

Where its research is concentrated relative to its size: Computer Networks and Communications takes 17.8× the share of its output that it takes of world research.

  1. Computer Networks and CommunicationsSubfield · 202.5 works18×
  2. Media TechnologySubfield · 49.6 works12×
  3. Signal ProcessingSubfield · 32.1 works8.3×
  4. Aerospace EngineeringSubfield · 97.0 works6.5×
  5. Computer ScienceField · 583.1 works5.9×
  6. Electrical and Electronic EngineeringSubfield · 260.4 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: 0.02× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.07× its world share, 5 worksBiochemistry, Geneti…Neuroscience: 0.39× its world share, 8 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.04× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.06× its world share, 0 worksChemical EngineeringChemistry: 0.07× its world share, 1 worksChemistryComputer Science: 5.88× its world share, 583 worksComputer ScienceEarth and Planetary Sciences: 0.32× its world share, 6 worksEarth and Planetary …Energy: 0.20× its world share, 2 worksEnergyEngineering: 2.79× its world share, 535 worksEngineeringEnvironmental Science: 0.17× its world share, 11 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 5 worksMaterials ScienceMathematics: 0.13× its world share, 2 worksMathematicsPhysics and Astronomy: 0.69× its world share, 20 worksPhysics and AstronomyDentistry: 0.05× its world share, 0 worksDentistryHealth Professions: 0.05× its world share, 2 worksHealth ProfessionsMedicine: 0.03× its world share, 8 worksMedicineArts and Humanities: 0.02× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.70× its world share, 29 worksBusiness, Management…Decision Sciences: 1.13× its world share, 14 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 3 worksEconomics, Econometr…Psychology: 0.12× its world share, 5 worksPsychologySocial Sciences: 0.22× its world share, 35 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 5.9×. Every wedge is a field page.

Who are the top researchers at China Telecom (China)?

Ranked on the composite score, Shan Yang, Yiran Ma and Yanxia Xing lead among researchers whose main affiliation is China Telecom (China).

  1. 1 Shan Yang China · #121,928 worldwide 272 citations · 34 works
  2. 2 Yiran Ma China · #209,120 worldwide 174 citations · 18 works
  3. 3 Yanxia Xing China · #394,446 worldwide 80 citations · 23 works
  4. 4 Pingping Lin China · #511,920 worldwide 48 citations · 24 works
  5. 5 Kai Wang China · #740,505 worldwide 76 citations · 18 works
  6. 6 Bowen Wang China · #801,779 worldwide 28 citations · 17 works
  7. 7 Yuyang Liu China · #886,082 worldwide 164 citations · 23 works
  8. 8 Dong Wang China · #1,133,885 worldwide 17 citations · 15 works
  9. 9 Heng Wang China · #1,149,588 worldwide 11 citations · 29 works
  10. 10 Bo Lei China · #1,171,113 worldwide 30 citations · 16 works
All ranked researchers at China Telecom (China)

Which keywords describe research at China Telecom (China)?

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

▲ 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 Learning273▲ 6.2×79 topics
  2. Energy Efficiency130▲ 11×24 topics
  3. Machine Learning126▲ 3.0×78 topics
  4. Internet of Things103▲ 9.3×24 topics
  5. Neural Networks98▲ 5.0×33 topics
  6. 5G Networks79▲ 30×5 topics
  7. Massive MIMO75▲ 72×3 topics
  8. Big Data73▲ 6.3×22 topics
  9. IoT Security70▲ 17×3 topics
  10. 5G60▲ 83×3 topics
  11. Security60▲ 7.2×18 topics
  12. Wireless Networks59▲ 30×9 topics
  13. Smart Cities59▲ 18×7 topics
  14. Distributed Systems54▲ 25×6 topics
  15. Healthcare52▲ 3.6×11 topics
  16. Wireless Sensor Networks51▲ 8.8×20 topics
  17. Anomaly Detection50▲ 14×5 topics
  18. Security and Privacy50▲ 20×3 topics
  19. Wireless Communication48▲ 25×7 topics
  20. Cloud Computing48▲ 13×12 topics
  21. Mobile Edge Computing46▲ 23×2 topics
  22. Edge Computing45▲ 28×2 topics
  23. Data Mining45▲ 4.7×16 topics
  24. Convolutional Neural Networks44▲ 4.7×14 topics
  25. MIMO Systems40▲ 39×3 topics
  26. Heterogeneous Networks40▲ 32×2 topics
  27. Channel Estimation39▲ 36×4 topics
  28. Spectral Efficiency38▲ 45×3 topics
  29. Broadcasting38▲ 184×1 topic
  30. Layered Division Multiplexing38▲ 184×1 topic
  31. Fog Computing36▲ 24×2 topics
  32. Cybersecurity34▲ 11×5 topics
  33. Resource Management34▲ 16×2 topics
  34. Cellular Networks33▲ 53×1 topic
  35. Interference Alignment33▲ 53×1 topic
  36. Resource Allocation33▲ 15×9 topics
  37. Physical Layer Security32▲ 57×2 topics
  38. Intrusion Detection32▲ 17×4 topics
  39. Cognitive Radio30▲ 67×2 topics
  40. IoT Applications30▲ 63×3 topics

Which research topics does China Telecom (China) publish most on?

By volume in 2022–2025: Telecommunications and Broadcasting Technologies, IoT and Edge/Fog Computing, Advanced MIMO Systems Optimization and Satellite Communication Systems.

Telecommunications and B…38Telecommunications and Broadcasting Technologies: 38 fractional worksIoT and Edge/Fog Computing35IoT and Edge/Fog Computing: 35 fractional worksAdvanced MIMO Systems Optimization: 33 fractional worksSatellite Communication …29Satellite Communication Systems: 29 fractional worksNetwork Security and Int…27Network Security and Intrusion Detection: 27 fractional worksAdvanced Wireless Communication Technologies: 26 fractional worksSoftware-Defined Networks and 5G: 26 fractional worksCloud Computing and Reso…25Cloud Computing and Resource Management: 25 fractional worksAdvanced Photonic Communication Systems: 17 fractional worksOptical Network Technologies: 16 fractional works
Media TechnologyComputer Networks and CommunicationsElectrical and Electronic EngineeringAerospace Engineering1 others

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

  1. 1 Telecommunications and Broadcasting Technologies Media Technology 38 works
  2. 2 IoT and Edge/Fog Computing Computer Networks and Communications 35 works
  3. 3 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 33 works
  4. 4 Satellite Communication Systems Aerospace Engineering 29 works
  5. 5 Network Security and Intrusion Detection Computer Networks and Communications 27 works
  6. 6 Advanced Wireless Communication Technologies Electrical and Electronic Engineering 26 works
  7. 7 Software-Defined Networks and 5G Computer Networks and Communications 26 works
  8. 8 Cloud Computing and Resource Management Information Systems 25 works
  9. 9 Advanced Photonic Communication Systems Electrical and Electronic Engineering 17 works
  10. 10 Optical Network Technologies Electrical and Electronic Engineering 16 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 available14.3%not open85.7%

World: 28% of research is openly available.

with international co-authors7.4%domestic only92.6%

World: 19% is written across borders.

How has China Telecom (China)'s research output changed?

Output in 2018–2022 was 24% higher 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 Changsha

All research institutions in Changsha

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.