signals
Thursday, January 9th, 2014
STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications, announces Teseo III, a single-chip standalone positioning product family capable of receiving signals from multiple satellite navigation...
Monday, December 24th, 2012
With outdoor mapping tools widely available and generally successful (Apple’s recent mapping debacle being the exception that proves the rule), technologists are pushing forward the state-of-the-art in indoor navigation, likely to be a hot area for advances throughout...
Wednesday, December 5th, 2012
Europe’s third Galileo satellite has transmitted its first test navigation signals back to Earth. The two Galileo satellites launched last October have reached their final orbital position and are...
Wednesday, February 29th, 2012
New Galileo signals have great potential for pseudorange-based surveying and mapping in both optimal open-sky conditions and suboptimal under-canopy environments. This article reviews the main features of Galileo’s E5 AltBOC and E1 CBOC signals, describes generation of...
Friday, December 23rd, 2011
Record and playback (RP) systems are increasingly popular in the GNSS receiver testing and validation process. For this reason, it’s important to have a better understanding of the RP’s contribution to the tested receiver’s raw measurements. Through documented laboratory test results...
Monday, December 5th, 2011
Racelogic’s SatGen simulator assists OEM device development with GLONASS capability. The inclusion of GLONASS into the recently released iPhone 4S highlighted the penetration the Russian satellite system is now enjoying in consumer devices. With the constellation now providing...
Thursday, July 28th, 2011
The argument raging over LightSquared's proposed LTE network and possible interference with GPS services is actually two arguments over two sets of frequencies, both of which the startup hopes eventually to use. One of the bands allocated to...
Thursday, July 28th, 2011
An Australian company is poised to take advantage of growing frustration at the limitations of satellite-dependent global positioning systems. Professor Chris Rizos, of the School of Surveying and Spatial Information Systems at the University of New South...
Thursday, April 14th, 2011
Within an hour of the first signal emanating from the new GLONASS K1 satellite on April 7, Topcon Positioning Systems (TPS) engineers were tracking the satellite’s L1 and L2 signals. TPS receivers tracked the new code division...
Thursday, April 14th, 2011
Septentrio’s AsteRx3 receivers are successfully tracking the GLONASS CDMA L3 signal transmitted by the first GLONASS-K1 satellite. This satellite was launched on February 26. It carries a payload capable of transmitting a CDMA signal in the L3 band,...
