TAG: consumer OEM

Multi-Constellation. Dual-Frequency. Single-Chip.

September 1, 2014By
NAPA-OpeningFigure

This integrated circuit supports simultaneous reception and processing of the GPS L1/L5, Galileo E1/E5a, and GLONASS G1 signals with 40 tracking channels. The dual-band analog RF front-end is integrated on the same mixed-signal chip as the baseband hardware, including an embedded processor to close the tracking loops: overall, a compact, low-power, and low-cost solution. read more

This article is tagged with , and posted in From the Magazine, Mobile Devices, Receiver Design, Sensor Fusion

Letters: Galileo Sync, GLONASS Scoop, an Open Letter

June 23, 2014By

June Cover Story In the June issue’s cover story, “Interchangeability Accomplished,” is a paragraph headed, “Satellite Intersystem Biases,” which appears to assert that Galileo System Time (GST) is 3 seconds ahead of UTC. However, in the version of the Galileo Signal In Space Interface Control Document posted at: http://ec.europa.eu/enterprise/policies/satnav/galileo/files/galileo-os-sis-icd-issue1-revision1_en.pdf, paragraph 5.1.2 appears to indicate that Galileo System Time (GST) was synchronized, at... read more

Interchangeability Accomplished

May 30, 2014By
vd_opener-O

Tri-Band Multi-Constellation GNSS in Smartphones and Tablets
In this look at a single-chip BeiDou/Galileo/GLONASS/GPS/QZSS/SBAS architecture for cell phones and tablets, the authors explain advantages of multiple constellations and examine details of system interchangeability, multi-system issues, and how assisted-GNSS data operates with all constellations. read more