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Location Services

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HelloTech
HelloTech
Jun 6, 2024 · Mobile Development

Location Accuracy Issues and Optimization Strategies in Ride-Hailing Applications

The article examines ride‑hailing location failures—no fix and drift—explains Android vs iOS positioning, satellite and network sources, and presents a monitoring framework plus Wi‑Fi prompts and sensor‑fusion Kalman filtering that together reduce drift, improve accuracy, and boost order fulfillment.

GNSSKalman filterLocation Services
0 likes · 29 min read
Location Accuracy Issues and Optimization Strategies in Ride-Hailing Applications
Architecture & Thinking
Architecture & Thinking
Oct 31, 2022 · Databases

Mastering Redis GEO: Store and Query Geolocation Data Efficiently

This article explains Redis' GEO feature, covering its data structures, commands like GEOADD, GEOPOS, GEODIST, GEORADIUS, and GEORADIUSBYMEMBER, and demonstrates how to store, retrieve, and calculate distances for location‑based services with practical code examples and visual illustrations.

CommandsDatabaseGEO
0 likes · 10 min read
Mastering Redis GEO: Store and Query Geolocation Data Efficiently
IT Architects Alliance
IT Architects Alliance
Jan 6, 2022 · Fundamentals

Comprehensive Overview of Indoor Positioning Technologies and Their Challenges

This article provides a detailed overview of indoor positioning technologies—including GPS, cellular base‑station, Wi‑Fi, RFID, Bluetooth, UWB, infrared, visible light, geomagnetic, and visual methods—explaining their principles, advantages, limitations, and the specific challenges of achieving accurate, reliable, and cost‑effective indoor location services.

GPSIndoor PositioningLBS
0 likes · 25 min read
Comprehensive Overview of Indoor Positioning Technologies and Their Challenges
Sohu Tech Products
Sohu Tech Products
Jul 7, 2021 · Backend Development

Implementing Nearby‑People (LBS) with MySQL and Redis GEO

This article explains how to build a location‑based "nearby people" feature by storing coordinates in MySQL, filtering with rectangular bounds, calculating distances in Java, and then scaling the solution with Redis GEO using GeoHash and Sorted Sets for high‑performance proximity queries.

BackendGeoHashLBS
0 likes · 14 min read
Implementing Nearby‑People (LBS) with MySQL and Redis GEO
Didi Tech
Didi Tech
Aug 14, 2018 · Mobile Development

Understanding GPS Technology and Its Applications in Mobile Location Services

GPS, originally a U.S. military system, now powers smartphones but struggles in urban canyons, tunnels, and elevated roads, so Didi’s Fusion Location Provider blends satellite data with Wi‑Fi fingerprinting, network positioning, dead‑reckoning, and map‑matching to deliver precise, reliable location for ride‑hailing services.

GPSLocation ServicesMobile
0 likes · 5 min read
Understanding GPS Technology and Its Applications in Mobile Location Services
Tongcheng Travel Technology Center
Tongcheng Travel Technology Center
Sep 15, 2017 · Mobile Development

Mobile Location Testing Strategies for the Tongcheng Travel App

This article outlines the background, mechanisms, third‑party SDKs, test plan design, practical techniques, and real‑world case studies for ensuring accurate location services in the Tongcheng Travel mobile application across domestic and international scenarios.

App DevelopmentGeolocationLocation Services
0 likes · 7 min read
Mobile Location Testing Strategies for the Tongcheng Travel App
Ctrip Technology
Ctrip Technology
Aug 26, 2016 · Mobile Development

Common Pitfalls and Solutions for Location and Map Integration in iOS and Android Apps

The article examines typical coordinate‑system and accuracy problems encountered when implementing location and map features on iOS and Android, explains why they occur, and shares Ctrip's practical solutions including coordinate conversion, Wi‑Fi handling, and WebView‑based map rendering.

AndroidCoordinate SystemsLocation Services
0 likes · 9 min read
Common Pitfalls and Solutions for Location and Map Integration in iOS and Android Apps