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Topic · Aerospace Engineering

GNSS positioning and interference

GNSS positioning and interference is a research topic within Aerospace Engineering. Science Explorer counts 26k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the advancements and applications of Global Navigation Satellite Systems (GNSS), including topics such as precise point positioning, reference frame modeling, atmospheric effects, orbit determination, tropospheric delay modeling, ambiguity resolution, multi-GNSS experiments, and receiver antennas.

  • Global Navigation Satellite Systems
  • GNSS
  • Precise Point Positioning
  • Reference Frame
  • Atmospheric Effects
  • Orbit Determination
  • Tropospheric Delay
  • Ambiguity Resolution
  • Multi-GNSS Experiment
  • Receiver Antennas
Research works
26k
fractional, since 1950
In the world top 10%
2.6k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+2%
the tick is no change
Largest producer
China
58% of the 10 largest, 2022-now
GNSS positioning and interference

Which countries lead GNSS positioning and interference research?

By volume, China and the United States publish the most (2.3k and 505 works in 2022-now).

By volume, 2022-now

  1. 1 China 2.3k works
  2. 2 United States 505 works
  3. 3 Germany 241 works
  4. 4 India 224 works
  5. 5 Russia 145 works
  6. 6 Italy 137 works
  7. 7 France 125 works
  8. 8 Japan 107 works
  9. 9 Türkiye 101 works
  10. 10 Poland 94 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 57.8%United States: 12.7%Germany: 6.1%India: 5.6%6 others listed: 17.8%58%largest
China2,304 · 57.8%United States505 · 12.7%Germany241 · 6.1%India224 · 5.6%6 others listed709 · 17.8%

Shares of the rows listed above, not of the whole node.

Which institutions lead GNSS positioning and interference research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most GNSS positioning and interference research, followed by Wuhan University and Helmholtz Association of German Research Centres.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 236 works
  2. 2 Wuhan UniversityChina 187 works
  3. 3 Helmholtz Association of German Research CentresGermany 78 works
  4. 4 National University of Defense TechnologyChina 73 works
  5. 5 Beihang UniversityChina 71 works
  6. 6 University of Chinese Academy of SciencesChina 58 works
  7. 7 Russian Academy of SciencesRussia 52 works
  8. 8 Hong Kong Polytechnic UniversityChina 43 works
  9. 9 Tongji UniversityChina 39 works
  10. 10 China Aerospace Science and Technology CorporationChina 37 works

Who are the leading researchers in GNSS positioning and interference?

The most-cited researchers publishing on GNSS positioning and interference include Xiaogang Wang, Deepak L. Bhatt and Kai You Wang.

  1. 1 Xiaogang Wang China 260k citations
  2. 2 Deepak L. Bhatt United States 227k citations
  3. 3 Kai You Wang China 224k citations
  4. 4 G. Mitselmakher France 223k citations
  5. 5 Hua Zhang Singapore 196k citations
  6. 6 Ian W Harry Germany 189k citations
  7. 7 H. Vincent Poor United States 165k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in GNSS positioning and interference?

The most cited paper in GNSS positioning and interference is "Unscented Filtering and Nonlinear Estimation" (Simon Julier, Jeffrey K. Uhlmann, 2004), with 6,611 citations. Next come "Precise point positioning for the efficient and robust analysis of GPS data from large networks" (3,639) and "The gravity recovery and climate experiment: Mission overview and early results" (3,060).

Most cited papers
#PaperReleasedCitations
1 Unscented Filtering and Nonlinear Estimation Simon Julier, Jeffrey K. Uhlmann · Proceedings of the IEEE Mar 2004 6,611
2 Precise point positioning for the efficient and robust analysis of GPS data from large networks J. Zumberge, M. B. Heflin, David C. Jefferson et al. · Journal of Geophysical Research Atmospheres 10 Mar 1997 3,639
3 The gravity recovery and climate experiment: Mission overview and early results Byron D. Tapley, Srinivas V. Bettadpur, MICHAEL M. WATKINS et al. · Geophysical Research Letters Open access 7 May 2004 3,060
4 Satellite-based estimates of groundwater depletion in India Matthew Rodell, I. Velicogna, J. S. Famiglietti · Nature Open access Aug 2009 2,946
5 The development and evaluation of the Earth Gravitational Model 2008 (EGM2008) Nikolaos K. Pavlis, Simon A. Holmes, Steve C. Kenyon et al. · Journal of Geophysical Research Atmospheres 3 Mar 2012 2,659
All 99 most cited papers, with filters and sorting

Where is GNSS positioning and interference research done?

The largest centres of GNSS positioning and interference research in 2022-now are Beijing (China), Wuhan (China), Xi'an (China) and Shanghai (China).

Largest cities, 2022-now

  1. 1 BeijingChina 658 works
  2. 2 WuhanChina 311 works
  3. 3 Xi'anChina 146 works
  4. 4 ShanghaiChina 146 works
  5. 5 NanjingChina 137 works
  6. 6 ChangshaChina 107 works
  7. 7 HarbinChina 64 works
  8. 8 MoscowRussia 61 works
  9. 9 GuangzhouChina 58 works
  10. 10 Hong KongChina 49 works
See GNSS positioning and interference on the map

Where is the best place to study GNSS positioning and interference?

Among universities, judged by research, University of Nebraska–Lincoln, Wuhan University and Hong Kong Polytechnic University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%25%50%75%mean 20.71%fractional works in this field (log) →share of work in the world top 10% →University of Nebras…Wuhan UniversityHong Kong Polytechni…University of Colora…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of Nebraska–LincolnUnited States 67.461.1%17.2×22 -
2Wuhan UniversityChina 64.422.2%29.1×187 +15.3%
3Hong Kong Polytechnic UniversityChina 59.019.6%10.9×43 +67.2%
4University of Colorado BoulderUnited States 45.816.3%13.0×27 +7.8%
5Tongji UniversityChina 45.114.6%5.6×39 +80.1%
6University of Chinese Academy of SciencesChina 44.811.5%7.8×58 +7.8%
7Beihang UniversityChina 43.614.1%14.2×71 -5.5%
8Hohai UniversityChina 43.317.7%9.2×24 +65.9%
9China University of GeosciencesChina 41.614.6%10.0×21 +40.3%
10PLA Information Engineering UniversityChina 41.215.4%69.8×32 +40.0%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in GNSS positioning and interference, country by country

Is GNSS positioning and interference research growing?

Output in 2022-2025 was 2% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are GNSS positioning and interference.

still counting19801990200020102020
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 GNSS positioning and interference as a percentage of every work published that year, 0.019% in 2024.

still counting0.010%0.020%0.030%GNSS positioning and interference0.022% in 202519801990200020102020

Fractional works of GNSS positioning and interference 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.

still counting5%10%15%GNSS positioning and interference10.0% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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