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  6. Centimeter-level positioning service for construction sites

Centimeter-level positioning service for construction sites

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last updated:May 20, 2026

ソフトバンク 本社
ソフトバンク 本社
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Improving construction site construction accuracy with RTK technology.

In the construction industry, the accurate placement and dimension management of structures significantly affect the quality and safety of the work. Particularly in situations that require precise surveying and marking, even slight errors are unacceptable. Inaccurate measurements can lead to rework and discrepancies with the design, resulting in project delays and increased costs. Our service addresses these challenges by utilizing RTK technology to provide real-time, high-precision positioning with errors of just a few centimeters. 【Application Scenarios】 - Precise surveying and marking - Guidance of heavy machinery and construction equipment - Surveying and inspection using drones 【Benefits of Implementation】 - Improved construction accuracy - Reduced project duration and costs - Enhanced safety of operations

    Surveying
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Centimeter-level positioning service for construction sites

スクリーンショット 2026-05-11 132918.png
スクリーンショット 2026-05-11 132918.png
  • Related Link - https://ales-corp.co.jp/service/
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【Features】 - Achieves high-precision positioning with an error of a few centimeters using RTK technology - Collaborates with SoftBank's unique reference points to deliver stable correction information - Distributes correction information to GNSS receivers via the internet (Ntrip method) - Allows for correction information integration through smartphones - Offered to individual customers 【Our Strengths】 SoftBank proposes the construction of society and industry through DX under the concept of "a world where all things, information, and hearts are connected." Based on the technology and infrastructure cultivated through mobile communication services and internet connectivity services, we provide four essential foundations for digitalization—communication, automation, marketing, and security—as support for companies' DX initiatives.

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Centimeter-level positioning service

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High-precision RTK-GNSS available for a monthly fee of several thousand yen: 'ichimill' thoroughly tested by Kōbe Seiko for drone surveying and point cloud measurement.

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This article was published in Construction IT World on March 18, 2022. SoftBank offers a high-precision positioning service called "ichimill," which provides "correction information" used in "RTK-GNSS" capable of high-precision surveying. Despite its accuracy of just a few centimeters, the usage fee is surprisingly low at several thousand yen per month. A technical sales representative from Kobe Seiko, a surveying equipment sales company based in Kobe, Hyogo Prefecture, thoroughly tested the capabilities of ichimill using point cloud measurements with drones and 3D laser scanners.

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Support for Corporate DX Providing the four foundations necessary for digitalization 1. Communication Improvement of the work environment / Cloud-based information / Robust network communication 2. Automation Automation of routine tasks / Creation of workforce / Productivity enhancement 3. Marketing Data collection and integration / Analysis and visualization of customer profiles / Advertising distribution and effectiveness measurement 4. Security Building secure networks / Latest malware countermeasures / Utilization of secure cloud services

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