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Topic · Electrical and Electronic Engineering

Indoor and Outdoor Localization Technologies

Indoor and Outdoor Localization Technologies is a research topic within Electrical and Electronic Engineering. Science Explorer counts 42k research works in it since 1951. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on wireless indoor localization techniques and systems, covering topics such as RF-based positioning, inertial sensors, WiFi fingerprinting, ultra-wideband signals, mobile positioning, and RSSI-based localization. The research explores various methods for accurately estimating the location of devices within indoor environments, with applications in smart homes, pedestrian navigation, activity recognition, and IoT services.

  • Indoor Localization
  • Wireless Sensor Networks
  • RF-Based Positioning
  • Inertial Sensors
  • WiFi Fingerprinting
  • Ultra-Wideband Signals
  • Location Estimation
  • Mobile Positioning
  • RSSI-Based Localization
  • Indoor Tracking
Research works
42k
fractional, since 1951
In the world top 10%
4.1k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+4%
the tick is no change
Largest producer
China
56% of the 10 largest, 2022-now
Indoor and Outdoor Localization Technologies

Which countries lead Indoor and Outdoor Localization Technologies research?

By volume, China and the United States publish the most (4.6k and 870 works in 2022-now).

By volume, 2022-now

  1. 1 China 4.6k works
  2. 2 United States 870 works
  3. 3 India 690 works
  4. 4 Japan 375 works
  5. 5 South Korea 361 works
  6. 6 United Kingdom 301 works
  7. 7 Germany 301 works
  8. 8 Italy 276 works
  9. 9 Canada 210 works
  10. 10 France 175 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: 56.5%United States: 10.6%India: 8.4%Japan: 4.6%6 others listed: 19.9%56%largest
China4,618 · 56.5%United States870 · 10.6%India690 · 8.4%Japan375 · 4.6%6 others listed1,624 · 19.9%

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

Which institutions lead Indoor and Outdoor Localization Technologies research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Indoor and Outdoor Localization Technologies research, followed by Beijing University of Posts and Telecommunications and Southeast University.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 146 works
  2. 2 Beijing University of Posts and TelecommunicationsChina 133 works
  3. 3 Southeast UniversityChina 129 works
  4. 4 University of Electronic Science and Technology of ChinaChina 118 works
  5. 5 Wuhan UniversityChina 87 works
  6. 6 National University of Defense TechnologyChina 85 works
  7. 7 Tsinghua UniversityChina 84 works
  8. 8 Beijing Institute of TechnologyChina 83 works
  9. 9 Shanghai Jiao Tong UniversityChina 83 works
  10. 10 Xidian UniversityChina 82 works

Who are the leading researchers in Indoor and Outdoor Localization Technologies?

The most-cited researchers publishing on Indoor and Outdoor Localization Technologies include Wei Huang, Xiaogang Wang and Andrew Zisserman.

  1. 1 Wei Huang China 267k citations
  2. 2 Xiaogang Wang China 260k citations
  3. 3 Andrew Zisserman United Kingdom 255k citations
  4. 4 Deepak L. Bhatt United States 227k citations
  5. 5 Li Fei-Fei United States 225k citations
  6. 6 Kai You Wang China 224k citations
  7. 7 Trevor J. Darrell United States 206k citations
  8. 8 Luc Van Gool Switzerland 177k 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 Indoor and Outdoor Localization Technologies?

The most cited paper in Indoor and Outdoor Localization Technologies is "Wireless sensor networks: a survey" (Ian Fuat Akyildiz, Weilian Su, Yogesh Sankarasubramaniam et al., 2002), with 17,476 citations. Next come "RADAR: an in-building RF-based user location and tracking system" (8,388) and "Internet of Things for Smart Cities" (6,330).

Most cited papers
#PaperReleasedCitations
1 Wireless sensor networks: a survey Ian Fuat Akyildiz, Weilian Su, Yogesh Sankarasubramaniam et al. · Computer Networks Mar 2002 17,476
2 RADAR: an in-building RF-based user location and tracking system Paramvir Bahl, Venkat N. Padmanabhan Conference paper 7 Nov 2002 8,388
3 Internet of Things for Smart Cities Andréa Zanella, Nicola Bui, Angelo Paolo Castellani et al. · IEEE Internet of Things Journal Open access Feb 2014 6,330
4 VINS-Mono: A Robust and Versatile Monocular Visual-Inertial State Estimator Tong Qin, Peiliang Li, Shaojie Shen · IEEE Transactions on Robotics Open access 27 Jul 2018 4,713
5 Simultaneous localization and mapping: part I Hugh F Durrant-Whyte, T.E.R. Bailey · IEEE Robotics & Automation Magazine Jun 2006 4,212
All 99 most cited papers, with filters and sorting

Where is Indoor and Outdoor Localization Technologies research done?

The largest centres of Indoor and Outdoor Localization Technologies research in 2022-now are Beijing (China), Nanjing (China), Xi'an (China) and Shanghai (China).

Largest cities, 2022-now

  1. 1 BeijingChina 925 works
  2. 2 NanjingChina 406 works
  3. 3 Xi'anChina 329 works
  4. 4 ShanghaiChina 267 works
  5. 5 WuhanChina 237 works
  6. 6 ChengduChina 186 works
  7. 7 SeoulSouth Korea 167 works
  8. 8 ShenzhenChina 167 works
  9. 9 HangzhouChina 158 works
  10. 10 HarbinChina 153 works
See Indoor and Outdoor Localization Technologies on the map

Where is the best place to study Indoor and Outdoor Localization Technologies?

Among universities, judged by research, Nanyang Technological University, Hong Kong Polytechnic University and Southeast 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%20%40%mean 21.67%fractional works in this field (log) →share of work in the world top 10% →Nanyang Technologica…Wuhan UniversitySoutheast UniversityHong Kong Polytechni…
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
1Nanyang Technological UniversitySingapore 77.924.7%7.2×51 +21.7%
2Hong Kong Polytechnic UniversityChina 76.817.7%8.6×66 +74.9%
3Southeast UniversityChina 73.917.9%9.8×129 +96.0%
4Wuhan UniversityChina 72.621.2%6.9×87 +64.7%
5Queen Mary University of LondonUnited Kingdom 68.937.3%4.2×16 +15.2%
6Chalmers University of TechnologySweden 66.726.8%7.6×17 +43.4%
7Hong Kong University of Science and TechnologyChina 66.318.8%6.1×22 -3.1%
8Southern University of Science and TechnologyChina 66.023.5%6.0×28 +173.8%
9Beijing University of Posts and TelecommunicationsChina 65.112.3%23.3×133 +44.8%
10Zhejiang UniversityChina 65.116.5%3.4×82 +45.3%

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 Indoor and Outdoor Localization Technologies, country by country

Is Indoor and Outdoor Localization Technologies research growing?

Output in 2022-2025 was 4% higher than in 2018-2021, peaking in 2023. The fastest-growing topics are Indoor and Outdoor Localization Technologies.

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 Indoor and Outdoor Localization Technologies as a percentage of every work published that year, 0.039% in 2024.

still counting0.020%0.040%0.060%Indoor and Outdoor Localization Technologies0.040% in 202519801990200020102020

Fractional works of Indoor and Outdoor Localization Technologies 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%Indoor and Outdoor Localization Technologies9.7% 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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