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KPT — Korea Positioning Technology
KPT — Korea Positioning Technology
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RESOURCES

Knowledge & research

Explore the positioning research, technical concepts and product information behind KPT technology.

RESEARCH RECORD

Patents and publications

KPT is backed by KAIST’s Intelligent Service Integration Lab (ISI Lab). These are the lab’s patents and papers in positioning and navigation — Wi-Fi fingerprinting and radio maps, sensor fusion, inertial and learning-based positioning, and indoor-outdoor navigation — the research foundation of KAILOS technology.

Patent families
35
Patent filings in 7 offices
63
Research papers
96
Journal articles
52

Sources: kailos.io, the ISI Lab publications page and Google Patents. Korean patents and papers are listed under their original titles.

PATENTS

Patents

Grouped by first filing year, newest first. Filings of the same invention in different patent offices are listed together.

2018

1 patent family

  1. Method and server for associating address with fingerprint

    주소 및 핑거프린트 연계 방법 및 연계 서버

2017

4 patent families

  1. Radio map construction method

    라디오 맵 구축 방법

    • Korea: 10-2017-0010217Application

      GIPS의 구축을 위한 크라우드소싱 방법

    • Korea: 10-2018-0005895Granted 2020 · KR 10-2129400 B1
    • International application (PCT): PCT/KR2018/000984International application · published as WO 2018/135923
    • United States: US 16/479,259 (opens in a new tab)Granted 2021 · US 10,884,098 B2

  2. 스마트 검침기를 활용한 무선랜 핑거프린트 및 주소 연계 방법 및 시스템

    • Korea: 10-2017-0052794Application · published as KR 10-2018-0119274 A

  3. 업무용 이동기기를 활용한 핑거프린트 위치 라벨링 방법 및 라벨링 시스템

    • Korea: 10-2017-0025298Granted 2017 · KR 10-1773982 B1

  4. 주변기기 정보 수집 방법 및 시스템

    • Korea: 10-2017-0158300Granted 2019 · KR 10-1983252 B1

2016

6 patent families

  1. Method for providing location information and apparatus therefor

    위치 정보 제공 방법 및 그 장치

    • Korea: 10-2016-0173903Granted 2024 · KR 10-2705617 B1
    • International application (PCT): PCT/KR2017/014899International application · published as WO 2018/117554
    • United States: US 17/468,071 (opens in a new tab)Granted 2023 · US 11,825,376 B2

  2. 무선랜 인프라에서의 핑거프린트 이용 방법 및 시스템

    • Korea: 10-2016-0072135Granted

  3. 무선랜 핑거프린트를 이용한 결제 방법 및 결제 시스템

    • Korea: 10-2016-0091118Granted

  4. 무선랜 핑거프린트에 대한 가맹점 라벨링 방법, 가맹점 라벨링 장치 및 가맹점 라벨링 시스템

    • Korea: 10-2016-0089019Granted

  5. 위치 인식 기반 결제 방법 및 결제 시스템

    • Korea: 10-2016-0058269Granted

  6. 위치기반 O2O 아이템 인식에 기반한 무선랜 핑거프린트 라벨링 장치 및 라벨링 방법

    • Korea: 10-2016-0117805Granted 2018 · KR 10-1858935 B1

2015

1 patent family

  1. 스마트폰 위치 기반 출결 체크 자동화 시스템 및 그 방법

    • Korea: 10-2015-0123560Granted

2014

2 patent families

  1. Automated WLAN radio map construction method and system

    무선랜 라디오맵 자동 구축 방법 및 시스템

  2. 위치 인식 방법 및 이를 적용한 사용자 단말 장치

    • Korea: 10-2014-0106779Granted 2016 · KR 10-1583477 B1

2013

2 patent families

  1. Method, storage medium, server, and electronic device for implementing location based service

    건물 내 위치 기반 서비스 구현 방법, 저장 매체, 서버 및 전자 장치

  2. 호설정에 연동한 자동 위치 정보 전송 방법 및 시스템

    • Korea: 10-2013-0012931Granted

2012

5 patent families

  1. Destination guiding method and system using common display of station

    정류소의 공용 디스플레이를 이용한 목적지 안내 방법 및 목적지 안내 시스템

    • Korea: 10-2012-0005047Granted
    • International application (PCT): PCT/KR2012/009597International application

  2. Method and apparatus for building Wi-Fi radio map

    와이파이 신호 맵 구축 장치 및 방법

    • Korea: 10-2012-0058959Application

      주소 기반 신호 지문 구축 방법 및 구축 시스템

    • International application (PCT): PCT/KR2012/010377International application · published as WO 2013/180362
    • United States: US 14/117,025 (opens in a new tab)Granted 2016 · US 9,445,387 B2
    • Japan: JP 5952495 (opens in a new tab)Granted 2016

      Device and method for making Wi-Fi radio map

    • Korea: 10-2014-7017427Granted

  3. System and method for monitoring small arms and shells in a vessel using wireless location determination technology

    무선측위기술을 이용한 선박 내 소병기 및 포탄 관리 시스템 및 그 방법

    • China: CN 201280073949.3Application
    • Korea: 10-2015-0032420Granted

  4. 버스 정류소의 공용 스피커를 이용한 목적지 안내 방법 및 목적지 안내 시스템

    • Korea: 10-2012-0051744Granted

  5. 이동하는 무선 단말에 대한 이동경로망 기반 위치 예측과 추정 방법

    • Korea: 10-2012-0086320Granted

2011

5 patent families

  1. Location based service system and method for performing indoor navigation

    실내 내비게이션을 수행하는 위치 기반 서비스 시스템 및 방법

    • Korea: 10-2011-0012530Application

      실내 내비게이션 및 위치 추정 시스템 및 방법

    • Korea: 10-2011-0012537Application

      실내 내비게이션 및 실시간 패칭 시스템 및 방법

    • Korea: 10-2011-0048102Granted 2012 · KR 10-1178042 B1
    • Korea: 10-2011-0048107Granted 2012 · KR 10-1178041 B1
    • International application (PCT): PCT/KR2011/005025International application · published as WO 2012/011690
    • China: CN 201180045447.5Granted

      System and method for location-based service for navigating indoors

    • European Patent Office: EP 11809817.7Application

      System and method for location-based service for navigating indoors

    • Malaysia: MY PI 2013000234Application

      System and method for location-based service for navigating indoors

    • United States: US 13/179,006 (opens in a new tab)Application · published as US 2012/0072106 A1

  2. Method of estimating location of mobile device in transportation using WiFi

    Wi Fi를 이용한 공공 교통 수단 내에 위치한 휴대 기기의 위치 추정 방법

    • Korea: 10-2011-0000978Granted · KR 10-1197079 B1
    • Korea: 10-2011-0015899Granted · KR 10-1178044 B1

      AP 환경 변화에 적응 가능한 교통 수단 내 휴대 단말의 위치 추정 방법

    • United States: US 8,594,003 (opens in a new tab)Granted 2013

  3. 공용 디스플레이를 이용한 개인별 길 안내 방법 및 길 안내 시스템

    • Korea: 10-2011-0118078Granted

  4. 라디오 맵 구축을 위한 보로노이 테셀레이션 기법을 이용한 인터폴레이션 방법 및 이를 이용한 장치

    • Korea: 10-2011-0134538Granted

  5. 큐알 코드 및 무선 신호를 이용한 위치 추정 시스템을 위한 서버와 단말 및 이를 이용한 방법

    • Korea: 10-2011-0140858Granted

2010

5 patent families

  1. Location-based mobile application marketplace system

    위치 기반 모바일 응용 마켓 플레이스 시스템

    • Korea: 10-2010-0098707Granted · KR 10-1129577 B1
    • International application (PCT): PCT/KR2011/000331International application · published as WO 2012/050268

      Market place system for providing mobile application based location

    • United States: US 13/878,624 (opens in a new tab)Application · published as US 2013/0205196 A1

  2. Wi-Fi radio map based indoor navigation system and method utilizing user mobility for localization

    위치 추정에 사용자 이동성을 활용하는 와이파이 라디오 맵 기반 실내 네비게이션 시스템 및 방법

    • International application (PCT): PCT/KR2010/005165International application · published as WO 2012/011624

  3. Wi-Fi 라디오 맵을 이용한 위치 모니터링 시스템 및 방법

    • Korea: 10-2010-0069827Granted

  4. Wi-Fi 라디오 맵을 이용한 할인 카드 정보 제공 시스템 및 방법

    • Korea: 10-2010-0069835Granted

  5. Wi-Fi 신호지문 데이터베이스 확보 방법 및 이를 위한 시스템

    • Korea: 10-2010-0069847Granted

2009

2 patent families

  1. 무선랜 수신강도를 이용한 무선 단말의 장소 결정과 그에 따른 동작 방법 및 그 동작의 자동설정 방법

    • Korea: 10-2009-0124381Granted

  2. 무선랜 수신강도를 이용한 참여형 장소 인식 방법

    • Korea: 10-2009-0074077Granted

2008

1 patent family

  1. 위치에 기반한 이동단말용 프로그램 배포 방법 및 시스템

    • Korea: 10-2008-0125475Granted

2007

1 patent family

  1. Road guidance service method and navigation system for implementing the method

    길 안내 서비스 방법 및 상기 방법을 수행하는 내비게이션시스템

PUBLICATIONS

Research papers

Journal articles and conference papers in positioning and navigation, newest first. Papers listed on both source pages appear once.

2026

1 paper
  1. Conference · Korea

    웨어러블 IoT 장치를 이용한 OCR 기반 텍스트 랜드마크 인식 및 실내 위치 추정

    이준해, 한동수

    2026 한국정보과학회 한국컴퓨터종합학술대회

2025

3 papers
  1. Journal

    A Sensor Fusion Framework for Indoor Navigation With Online Error Correction and Radio Map Update

    Sumin Ahn, Dongsoo Han

    IEEE Transactions on Instrumentation and Measurement, vol. 74, pp. 1–14

    DOI 10.1109/tim.2025.3593609 (opens in a new tab)
  2. Journal

    DeepILS: Toward Accurate Domain-Invariant AIoT-Enabled Inertial Localization System

    Omer Tariq, M. B. A. Dastagir, M. Bilal, Dongsoo Han

    IEEE Internet of Things Journal, 12(11), pp. 17153–17168

    DOI 10.1109/jiot.2025.3538938 (opens in a new tab)
  3. Conference

    A Black-Box Positioning Solution for Effortless Integration in Wearable Navigation

    Anh-Van Vu, Changmin Sung, Dongsoo Han

    IEEE International Conference on Systems, Man, and Cybernetics (SMC 2025), Vienna, Austria, pp. 5762–5769

    DOI 10.1109/smc58881.2025.11342779 (opens in a new tab)

2024

5 papers
  1. Journal

    2D Particle Filter Accelerator for Mobile Robot Indoor Localization and Pose Estimation

    Omer Tariq, Dongsoo Han

    IEEE Access, vol. 12, pp. 18473–18487

    DOI 10.1109/access.2024.3360883 (opens in a new tab)
  2. Journal

    DeepIOD: Towards A Context-Aware Indoor–Outdoor Detection Framework Using Smartphone Sensors

    Omer Tariq, M. B. A. Dastagir, Dongsoo Han

    Sensors, 24(16), 5125

    DOI 10.3390/s24165125 (opens in a new tab)
  3. Journal

    TabCLR: Contrastive Learning Representation of Tabular Data Classification for Indoor-Outdoor Detection

    M. B. A. Dastagir, Omer Tariq, Dongsoo Han

    IEEE Access, vol. 12, pp. 102505–102520

    DOI 10.1109/access.2024.3427825 (opens in a new tab)
  4. Conference

    FedNav: A Federated Learning Approach for Secure AIoT-enabled Inertial Odometry

    Omer Tariq, M. Bilal, Dongsoo Han

    IEEE International Conference on Artificial Intelligence of Things (AIoT 2024), Melbourne, Australia

    DOI 10.1109/aiot63253.2024.00028 (opens in a new tab)
  5. Conference

    Real-time Pedestrian Dead Reckoning for IoT Based Platform-Independent Positioning System

    Anh-Van Vu, Thanh-Minh Nguyen, Changmin Sung, Dongsoo Han

    IEEE International Conference on Systems, Man, and Cybernetics (SMC 2024), pp. 2599–2606

    DOI 10.1109/smc54092.2024.10831327 (opens in a new tab)

2022

10 papers
  1. Journal

    An Adaptive User Tracking Algorithm Using Irregular Data Frames for Passive Fingerprint Positioning

    Donghyun Kim, Kyuho Son, Dongsoo Han

    Sensors, 22(19)

    DOI 10.3390/s22197124 (opens in a new tab)
  2. Journal

    Passive Fingerprinting Reinforced by Active Radiomap for WLAN Indoor Positioning System

    Daekwon Ko, Minseok Kim, Kyuho Son, Dongsoo Han

    IEEE Sensors Journal, 22(6), pp. 5238–5247

    DOI 10.1109/jsen.2021.3127135 (opens in a new tab)
  3. Conference

    Adaptive Sensor Fusion Framework for Personalized Indoor Navigation

    Sumin Ahn, Dongsoo Han

    IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN 2022), Beijing, China

    DOI 10.1109/ipin54987.2022.9918106 (opens in a new tab)
  4. Conference

    An IoT Based Approach for Platform Independent Positioning Service

    Anh-Van Vu, Dongsoo Han

    IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN 2022), Beijing, China

    DOI 10.1109/ipin54987.2022.9918103 (opens in a new tab)
  5. Conference

    Floor Classification on Crowdsourced Data for Wi-Fi Radio Map Construction

    Changmin Sung, Dongsoo Han

    IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN 2022), Beijing, China

    DOI 10.1109/ipin54987.2022.9918157 (opens in a new tab)
  6. Conference

    HILO: High-level and Low-level Co-design, Evaluation and Acceleration of Feature Extraction for Visual-SLAM using PYNQ Z1 Board

    Muhammad Bilal Akram Dastagir, Omer Tariq, Dongsoo Han

    12th International Conference on Indoor Positioning and Indoor Navigation — Work-in-Progress Papers (IPIN-WiP 2022), CEUR Workshop Proceedings vol. 3248, Beijing, China

  7. Conference

    Location-labeling of crowdsourced fingerprints for indoor localization in multi-story buildings

    Byeongcheol Moon, Dongsoo Han

    IEEE 12th International Conference on Indoor Positioning and Indoor Navigation (IPIN 2022), Beijing, China

    DOI 10.1109/ipin54987.2022.9918143 (opens in a new tab)
  8. Conference · Korea

    Sniffer Station: Wi-Fi 수동 핑거프린트 기반 실내 측위를 위한 패킷 수집 시스템의 실용적 설계

    손규호, 한동수

    2022 항법시스템학회 정기학술대회

  9. Conference · Korea

    복층 건물에서의 Semi-supervised Learning 기반 Wi-Fi 라디오맵 구축 기법

    문병철, 한동수

    2022 항법시스템학회 정기학술대회

  10. Conference · Korea

    사용자 및 환경 적응형 실내 항법 시스템

    안수민, 한동수

    2022 항법시스템학회 정기학술대회

2021

4 papers
  1. Journal

    Multiview Variational Deep Learning With Application to Practical Indoor Localization

    Minseuk Kim, Dong-Soo Han, June-Koo Kevin Rhee

    IEEE Internet of Things Journal, 8(15)

    DOI 10.1109/jiot.2021.3063512 (opens in a new tab)
  2. Journal

    Unsupervised View-Selective Deep Learning for Practical Indoor Localization Using CSI

    Minseuk Kim, Dong-Soo Han, June-Koo Kevin Rhee

    IEEE Sensors Journal

    DOI 10.1109/jsen.2021.3112994 (opens in a new tab)
  3. Conference

    An Indoor Location-Based AR Framework for Large-Scale Museum Exhibitions

    Sumin Ahn, Dong-Soo Han

    International Conference on Human-Computer Interaction (HCII 2021), online

    DOI 10.1007/978-3-030-90328-2_36 (opens in a new tab)
  4. Conference · Korea

    관람객 동선 분석을 위한 WiFi 패시브 핑거프린트 기법

    김동현, 한동수, 손규호

    제11회 국제과학관 심포지엄

2020

3 papers
  1. Journal

    Fusion of the SLAM with Wi-Fi-Based Positioning Methods for Mobile Robot-Based Learning Data Collection, Localization, and Tracking in Indoor Spaces

    Gunwoo Lee, Byeong-Cheol Moon, Sangjae Lee, Dongsoo Han

    Sensors, 20(18)

    DOI 10.3390/s20185182 (opens in a new tab)
  2. Journal

    ILoA: Indoor Localization Using Augmented Vector of Geomagnetic Field

    Sangjae Lee, SeungWoo Chae, Dong-Soo Han

    IEEE Access, vol. 8

    DOI 10.1109/access.2020.3029281 (opens in a new tab)
  3. Journal

    Machine Learning for Practical Localization System Using Multiview CSI

    Minseuk Kim, Dongsoo Han, June-Koo Kevin Rhee

    IEEE Access, vol. 8

    DOI 10.1109/access.2020.3029598 (opens in a new tab)

2019

2 papers
  1. Journal

    City Radio Map Construction for Wi-Fi-Based Citywide Indoor Positioning

    Dongsoo Han, Ayesha Sahar, Joseph Berkner, Gunwoo Lee

    IEEE Access, vol. 7

    DOI 10.1109/access.2019.2929779 (opens in a new tab)
  2. Journal · Korea

    지하철 역사에서 실내 내비게이션 서비스를 위한 KAI-R 시스템

    이건우, 고대권, 김현, 한동수

    한국ITS학회 논문지, 18(5)

2018

8 papers
  1. Journal

    AMID: Accurate Magnetic Indoor Localization Using Deep Learning

    Namkyoung Lee, Sumin Ahn, Dongsoo Han

    Sensors, 18(5)

    DOI 10.3390/s18051598 (opens in a new tab)
  2. Journal

    Automated Construction and Maintenance of Wi-Fi Radio Maps for Crowdsourcing-based Indoor Positioning Systems

    Suk-Hoon Jung, Dongsoo Han

    IEEE Access, vol. 6

    DOI 10.1109/access.2017.2780243 (opens in a new tab)
  3. Journal

    Methods and Tools to Construct a Global Indoor Positioning System

    Suk-Hoon Jung, Gunwoo Lee, Dong-Soo Han

    IEEE Transactions on Systems, Man, and Cybernetics: Systems, 48(6)

    DOI 10.1109/tsmc.2016.2626797 (opens in a new tab)
  4. Conference

    An LSTM-based Indoor Positioning Method Using Wi-Fi Signals

    Ayesha Sahar, Dongsoo Han

    2nd International Conference on Vision, Image and Signal Processing (ICVISP 2018), ACM

    DOI 10.1145/3271553.3271566 (opens in a new tab)
  5. Conference

    Estimating AP Location Using Crowdsourced Wi-Fi Fingerprints with Inaccurate Location Labels

    Changmin Sung, Seungwoo Chae, Daehyun Kang

    2nd International Conference on Vision, Image and Signal Processing (ICVISP 2018), ACM

    DOI 10.1145/3271553.3271582 (opens in a new tab)
  6. Conference

    Passive Wi-Fi Fingerprinting Method

    Jaewon Kim, Dongsoo Han

    Indoor Positioning and Indoor Navigation

  7. Conference

    Subway Stop/Departure Detection using a Magnetic Sensor of the Smartphone

    Hoon Shin, Gunwoo Lee, Dongsoo Han

    2nd International Conference on Vision, Image and Signal Processing (ICVISP 2018), ACM

    DOI 10.1145/3271553.3271614 (opens in a new tab)
  8. Conference

    WLAN-based Location Monitoring System in Confined Workspaces

    Byeongcheol Moon, Dongsoo Han

    2nd International Conference on Vision, Image and Signal Processing (ICVISP 2018), ACM

    DOI 10.1145/3271553.3271621 (opens in a new tab)

2017

5 papers
  1. Journal

    Performance Evaluation of Radio Map Construction Methods for Wi-Fi Positioning Systems

    Suk-Hoon Jung, ByeongCheol Moon, Dong-Soo Han

    IEEE Transactions on Intelligent Transportation Systems, 18(4)

    DOI 10.1109/tits.2016.2594479 (opens in a new tab)
  2. Journal

    Selective AP probing for indoor positioning in a large and AP-dense environment

    Seokseong Jeon, Jae-Pil Jeong, Young-Joo Suh, Chansu Yu, Dongsoo Han

    Journal of Network and Computer Applications, vol. 99

    DOI 10.1016/j.jnca.2017.09.010 (opens in a new tab)
  3. Conference

    Crowd-Assisted Radio Map Construction for Wi-Fi Positioning Systems

    Jeonghee Ahn, Dongsoo Han

    Indoor Positioning and Indoor Navigation

    DOI 10.1109/ipin.2017.8115872 (opens in a new tab)
  4. Conference

    Floor Detection Using a Barometer Sensor in a Smartphone

    Seongsik Kim, Jaewon Kim, Dongsoo Han

    Indoor Positioning and Indoor Navigation

  5. Conference

    Magnetic Indoor Positioning System Using Deep Neural Network

    Namkyoung Lee, Dongsoo Han

    Indoor Positioning and Indoor Navigation

    DOI 10.1109/ipin.2017.8115887 (opens in a new tab)

2016

6 papers
  1. Journal

    A crowdsourcing-based global indoor positioning and navigation system

    Suk-Hoon Jung, Sangjae Lee, Dong-Soo Han

    Pervasive and Mobile Computing, vol. 31, pp. 94–106

    DOI 10.1016/j.pmcj.2016.02.002 (opens in a new tab)
  2. Journal

    A Dynamic k-Nearest Neighbor Method for WLAN-Based Positioning Systems

    Inje Lee, Myungjae Kwak, Dong-Soo Han

    Journal of Computer Information Systems, 56(4), pp. 295–300

    DOI 10.1080/08874417.2016.1164000 (opens in a new tab)
  3. Journal

    A Sensor Fusion Method for Wi-Fi-based Indoor Positioning

    Dong-Soo Han, Suk-Hoon Jung, Sangjae Lee

    ICT Express, 2(2), pp. 71–74

    DOI 10.1016/j.icte.2016.04.002 (opens in a new tab)
  4. Journal

    Unsupervised Learning for Crowdsourced Indoor Localization in Wireless Networks

    Suk-Hoon Jung, Byung-chul Moon, Dong-Soo Han

    IEEE Transactions on Mobile Computing, 15(11)

    DOI 10.1109/tmc.2015.2506585 (opens in a new tab)
  5. Journal · Korea

    Fusion pedestrian dead reckoning using peak detection and fourier transform based algorithm for real-time indoor localization system

    N. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  6. Conference

    Comparative study of sensor fusion methods for hybrid positioning systems

    S. Jung, B. Moon, J. Ahn, D. Han

    URSI Asia-Pacific Radio Science Conference (URSI AP-RASC), pp. 1669–1671

    DOI 10.1109/ursiap-rasc.2016.7601172 (opens in a new tab)

2015

13 papers
  1. Journal

    An adaptive hybrid filter for practical WiFi-based positioning systems

    Namjun Park, Suk-Hoon Jung, Dong-Soo Han

    ICT Express, 1(2)

    DOI 10.1016/j.icte.2015.09.008 (opens in a new tab)
  2. Journal

    Sound based indoor and outdoor environment detection for seamless positioning handover

    Rakmin Sung, Suk-Hoon Jung, Dong-Soo Han

    ICT Express, 1(3)

    DOI 10.1016/j.icte.2016.02.001 (opens in a new tab)
  3. Journal · Korea

    A method of measuring similarity of wireless LAN fingerprint using signal variation matrix

    B. Moon, S. Jung, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  4. Journal · Korea

    A Study on the Detection of Electric Vehicle Condition Using Geomagnetism Data

    G. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  5. Journal · Korea

    Extended Viterbi algorithm for indoor localization in wireless LAN signal environment

    S. Jung, S. Kim, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  6. Journal · Korea

    Indoor Floor Recognition Using Barometer and Floor Elevation Information

    S. Lee, N. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  7. Journal · Korea

    Indoor floor transition recognition algorithm based on variation of barometer

    S. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  8. Journal · Korea

    Performance evaluation of radio map construction technique

    S. Jung, B. Moon, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  9. Journal · Korea

    Research on localization of buried person based on wireless communication

    G. Lee, S. Chae, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  10. Journal · Korea

    Two-Dimensional Buried Positioning Models for Destructed Terrain Type Bursters Using Optimal Wireless Communication Technology

    H. Moon, W. Lee, K. Lee, D. Han

    Journal of the Korea Academia-Industrial cooperation Society

  11. Journal · Korea

    UDP-based data transmission and positioning experiment for user-oriented Infotainment service in ship wireless environment

    T. Park, D. Han, S. Park, W. An, H. Kwon

    Journal of the Society of Naval Architects of Korea

  12. Magazine · Korea

    Global indoor location and indoor / outdoor integrated navigation system

    D. Han, S. Jung

    Information and Communications Magazine

  13. Magazine · Korea

    Trend of Indoor Location Technology to Provide Railway Passenger Information

    D Han

    The Proceedings of KIEE

2014

7 papers
  1. Journal

    Building a Practical Wi-Fi-Based Indoor Navigation System

    Dongsoo Han, Sukhoon Jung, Minkyu Lee, Giwan Yoon

    IEEE Pervasive Computing, 13(2), pp. 72–79

    DOI 10.1109/mprv.2014.24 (opens in a new tab)
  2. Conference

    Address-Based Crowdsourcing Radio Map Construction for Wi-Fi Positioning Systems

    D. Han, B. Moon, G. Yoon

    International Conference on Indoor Positioning and Indoor Navigation (IPIN)

    DOI 10.1109/ipin.2014.7275468 (opens in a new tab)
  3. Conference

    Crowdsourcing-based radio map update automation for Wi-Fi positioning systems

    K. Chang, D. Han

    Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information, pp. 24–31

    DOI 10.1145/2676440.2676441 (opens in a new tab)
  4. Conference

    Fast and Accurate Wi-Fi Localization in Large-Scale Indoor Venues

    S.S. Jeon, Y.J. Suh, C.S. Yu, D.S. Han

    Mobile and Ubiquitous Systems: Computing, Networking, and Services (MobiQuitous 2013), LNICST, Springer, pp. 129–141

    DOI 10.1007/978-3-319-11569-6_11 (opens in a new tab)
  5. Conference

    KAI-Navi: Wi-Fi Based In-and-outdoor Integrated Navigation System

    Dongsoo Han, Sangjae Lee, Gunwoo Lee, Sunghoon Kim, Taewoo Lee, Yuri Kim

    International Conference on Future Web

  6. Conference

    KAILOS: KAIST Indoor Locating System

    Dongsoo Han, Sangjae Lee, Sunghoon Kim

    International Conference on Indoor Positioning and Indoor Navigation (IPIN)

    DOI 10.1109/ipin.2014.7275535 (opens in a new tab)
  7. Conference

    Subway Train Stop Detection using Magnetometer Sensing Data

    G. Lee, D. Han

    International Conference on Indoor Positioning and Indoor Navigation (IPIN)

    DOI 10.1109/ipin.2014.7275562 (opens in a new tab)

2013

10 papers
  1. Journal

    A Probabilistic Place Extraction Algorithm Based on a Superstate Model

    Choonoh Lee, Gi-Wan Yoon, Dong-Soo Han

    IEEE Transactions on Mobile Computing, 12(5)

    DOI 10.1109/tmc.2012.64 (opens in a new tab)
  2. Journal

    Radio Map Update Automation for WiFi Positioning Systems

    Jun-Sung Lim, Woo-Hyuk Jang, Giwan Yoon, Dongsoo Han

    IEEE Communications Letters, 17(4)

    DOI 10.1109/lcomm.2013.022213.122885 (opens in a new tab)
  3. Journal · Korea

    A Study on the Comparison of Extraction Method of Outdoor Road

    S. Kim, T. Lee, K. Jang

    The Journal of The Korea Institute of Intelligent Transport Systems

  4. Journal · Korea

    Adaptive Particle Filter Using Route Network Information in WLAN Positioning System

    B. Moon, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  5. Journal · Korea

    Case study of indoor positioning system based on subway station Wi-Fi

    S. Rak, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  6. Journal · Korea

    Crosspoint Estimation Technique for Kalman Filter Improvement of WLAN Positioning System

    S. Lee, K. Yoon, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  7. Journal · Korea

    Step detection and heading recognition using smartphone sensor

    K. Jang, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  8. Journal · Korea

    Wi-Fi radio map construction technique using fingerprint during walking

    S. Kim, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  9. Conference

    Characteristics of a Large-Scale WiFi Radiomap and Their Implications in Indoor Localization

    S. Bak, S. Jeon, Y. Suh, C. Yu, D. Han

    Fourth International Conference on the Network of the Future (NoF’13)

    DOI 10.1109/nof.2013.6724506 (opens in a new tab)
  10. Conference

    Large Scale Indoor Wi-Fi Localization using Representative Access Points

    S. Bak, S. Jeon, Y. Suh, C. Yu, D. Han

    International Conference on Indoor Positioning and Indoor Navigation (IPIN 2013)

2012

10 papers
  1. Journal

    Dimensionality reduction of radio map with nonlinear autoencoder

    MK Lee, Dongsoo Han

    Electronics Letters, 48(11)

    DOI 10.1049/el.2011.4039 (opens in a new tab)
  2. Journal

    Voronoi Tessellation Based Interpolation Method for Wi-Fi Radio Map Construction

    Min-Kyu Lee, Dong-Soo Han

    IEEE Communications Letters, 16(3), pp. 404–407

    DOI 10.1109/lcomm.2012.020212.111992 (opens in a new tab)
  3. Journal · Korea

    Lossy signal substitution technique for improving WLAN-based positioning accuracy

    S. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  4. Journal · Korea

    Probability-Based Automatic Radio Map Update Technique for Access Point for Wi-Fi Positioning System

    J. Lim, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  5. Journal · Korea

    Radio map configuration using QR codes for Wi-Fi-based indoor positioning

    R. Sung, M. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  6. Journal · Korea

    Status-based Energy Optimization Algorithm for Periodic Positioning of Smartphone

    B. Moon, C. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  7. Journal · Korea

    Wi-Fi fingerprint-based indoor location recognition using Log-Distance path loss model

    S. Jung, C. Lee, D. Han

    The Journal of The Korea Institute of Intelligent Transport Systems

  8. Conference

    A Context-based Energy Optimization Algorithm for Periodic Localization in Smartphones

    C. Lee, G. Yoon, D. Han

    1st ACM SIGSPATIAL International Workshop on Mobile Geographic Information Systems

    DOI 10.1145/2442810.2442826 (opens in a new tab)
  9. Conference

    Elekspot: A Platform for Urban Place Recognition via Crowdsourcing

    Minkyu Lee, Suk Hoon Jung, Dongsoo Han

    12th International Symposium on Applications and the Internet (SAINT 2012)

    DOI 10.1109/saint.2012.35 (opens in a new tab)
  10. Conference

    Uncaught Signal Imputation for Accuracy Enhancement of WLAN-based Positioning Systems

    S. Lee, S.H. Jung, D. Han

    1st ACM SIGSPATIAL International Workshop on Mobile Geographic Information Systems

    DOI 10.1145/2442810.2442825 (opens in a new tab)

2011

4 papers
  1. Conference

    A multi-classifier approach for WiFi-based positioning system

    J Shin, S.H. Jung, Giwan Yoon, Dongsoo Han

    Lecture Notes in Electrical Engineering, vol. 90, pp. 135–147

    DOI 10.1007/978-94-007-1192-1_12 (opens in a new tab)
  2. Conference

    Floor Accuracy Improvement of Wireless LAN based Large Scale Indoor Positioning

    Hyunil Yang, Giwan Yoon, Dongsoo Han

    IEEE MTT-S IMWS-IRFPT 2011, Daejeon, pp. 89–90

    DOI 10.1109/imws2.2011.6027200 (opens in a new tab)
  3. Conference

    Nerimi: WiFi-based Subway Navigation System

    Inje Lee, Giwan Yoon, Dongsoo Han

    IEEE MTT-S IMWS-IRFPT 2011, Daejeon, pp. 51–52

  4. Conference

    Wi-Fi Fingerprint-based Approaches Following Log-Distance Path Loss Model for Indoor Positioning

    Sukhoon Jung, Choon-oh Lee, Dongsoo Han

    IEEE MTT-S IMWS-IRFPT 2011, Daejeon, pp. 62–63

2010

5 papers
  1. Journal · Korea

    TwittsIn: 장소 인식을 이용한 모바일 트위터 친구 알림 서비스

    장래영, 이민규, 조준희, 한동수

    정보과학회논문지: 컴퓨팅의 실제 및 레터, 16(7), pp. 814–818

  2. Conference

    Crowdsourced Radiomap for Room-Level Place Recognition in Urban Environment

    Minkyu Lee, Hyunil Yang, Dongsoo Han, Chansu Yu

    1st IEEE PerCom Workshop on Smart Environments (SmartE 2010), Mannheim, Germany

  3. Conference

    Energy-efficient Location Logging for Mobile Device

    Choonoh Lee, Minkyu Lee, Dongsoo Han

    10th Annual International Symposium on Applications and the Internet (SAINT 2010), Seoul

    DOI 10.1109/saint.2010.30 (opens in a new tab)
  4. Conference

    Multi-Classifier for WLAN fingerprint-based positioning system

    Jikang Shin, Dongsoo Han

    International Conference on Wireless Networks (ICWN 2010), pp. 768–773

  5. Conference

    Open Radio Map Based Indoor Navigation System

    Dongsoo Han, Minkyu Lee, Laeyoung Chang, Hyunil Yang

    IEEE International Conference on Pervasive Computing and Communications (PerCom 2010)

TECHNOLOGY NOTE

Technology notes

Technology note

KAILOS: Indoor Positioning Technology Stack

An introduction to Wi-Fi positioning, maps, radio maps and hybrid positioning.

Read the note
Technology note

From Wi-Fi Positioning to Indoor-Outdoor Continuity

How the KAILOS technology lineage expanded from indoor positioning toward integrated navigation.

Read the note
Technology note

Understanding Sensor Fusion for Positioning

Why GNSS, inertial sensors, Wi-Fi and environmental sensing complement one another.

Read the note
Technology note

What Changes When a Person Enters a Building?

A plain-language explanation of indoor-outdoor transition detection.

Read the note

VIDEOS

Demos and news coverage

See KAILOS and KTAG in action, and news reports on the technology.

All videos

PRODUCT DOCUMENTS

Product documents

Product document

KAILOS Manual

Build indoor maps and radio maps with the KAILOS tools, then develop location-based services with the KAILOS API.

Read the manual

Looking for other product documents?

Technical overviews for KTAG, KTAG Pro and the KAILOS Neural Engine are shared directly by our team during evaluation.

Talk to Our Team