Freedom

Nexteq Freedom is an advanced GNSS positioning technology designed to replace traditional solutions such as DGPS or RTK for obtaining high accuracy with GNSS. These traditional solutions require substantial investments in hardware and software and have limitations in base station placement. However, Nexteq Freedom provides breakthrough single receiver Precise Point Positioning accuracy to a wide variety of existing GNSS receivers with no hardware change at all. Users of Nexteq Freedom technology can count on a significant competitive advantage thus enhancing ROI for themselves and their clients.

We believe that Nexteq Freedom has substantial potential in replacing traditional high accuracy solutions in the current market place. We are also continuously improving and developing new leading edge GNSS technologies and products that have practical application. Contact us today if you are interested in finding out how Nexteq Freedom can give your business a competitive advantage or to become a partner.

Nexteq Freedom Technology Overview

Nexteq Freedom technology is an enhancement of traditional Precise Point Positioning (PPP) technology to achieve 20-30 cm positioning accuracy with stand-alone GNSS receivers. Unlike traditional PPP which requires high accuracy satellite orbit and clock corrections to work, Nexteq Freedom only uses freely available real-time corrections thereby reducing the cost of accuracy.

Methodology

Nexteq Freedom technology uses the real-time GNSS satellite and ionosphere corrections from the freely available Satellite Based Augmentation System (SBAS). These code based corrections using patented Nexteq Freedom technology are effectively combined with the measurements from GNSS receivers, to achieve high positioning accuracy, with minimum initialization time. Effective Quality Control algorithms prevent multi-path and other abnormal measurements to affect the reliability of the positioning results.

Real Time Accuracy

• 30cm RMS 2D horizontal accuracy for single frequency GNSS, with virtually no convergence time
• 20cm RMS 2D horizontal accuracy for dual frequency GNSS, with less than 5 minutes convergence time
• SBAS coverage areas (North America, Western Europe, Japan and parts of East Asia)

Freedom Products

• Freedom handhelds
  T5 and T6 handhelds are equipped with Freedom technology.

• Freedom licensing DLL
• Nexteq Freedom DLL is developed based on standard C++ and can be integrated into most operating systems.
• Real-time Freedom positioning requires less than 100MHz ARM CPU and 1MB of RAM memory
• Usable with a wide variety of GPS receivers that output code and phase measurements
• Existing Freedom enabled products have already been developed for NovAtel, Hemisphere and u-blox based receivers