Talk:Assisted GNSS

message: This article is poorly worded, confusing, and repetitive.  It says the same thing several different times in slightly different words.  It should probably be cleaned up alittle if anyone could.
72.174.2.252 23:01, 6 April 2007 (UTC)
replies: text: Not really correct. a) Some devices with aGPS are not "normal" GPS and cannot function at all without remote assistance; alternately b) Some aGPS assistance is not regarding satellites, but regarding calculations off of the local handhold device.Carwon (talk) 14:27, 15 February 2009 (UTC)
replies: text: They work like your normal dedicated GPS, they acquire satellites and do calculations autonomously.Carwon (talk) 14:27, 15 February 2009 (UTC)

text:  In some conditions, it may take longer to get TTFF (Time to First Fix), but in some cases time is essentially the same. It depends on whether prior data (eg ephemris data) is held (in most cases it is) and whether it is still recent.Carwon (talk) 14:27, 15 February 2009 (UTC)

text: Accuracy is sometimes reduced in non aGPS, not alwaysCarwon (talk) 14:27, 15 February 2009 (UTC)

text:  Not all aGPS  is "served" it can be as simple as accurate time Assistance aGPSCarwon (talk) 14:27, 15 February 2009 (UTC)

text: Some aGPS are completely dependent on network information, aGPS only, Some can work either way having both a) aGPS plus b) Standalone or Autonomous GPS. It is better to have both on a mobile phone since aGPS only s limited by carrier range Carwon (talk) 14:27, 15 February 2009 (UTC)
thread_title: Clean Up

message: When read in combination with the GPS article, I think most, if not all of these points are addressed.
I don't think it's quite appropriate to - in a general article at least - go into technical details that most will not understand.
Whole books have been written on GPS, with good reason.
If you've got a specific point that you feel is missed, could you mention it?
--Speedevil (talk) 13:54, 26 October 2008 (UTC)
thread_title: response

message: The article seems to be coming along nicely though the "Drawbacks" section is still a bit sloppy.  Some of the context isn't expressed clearly; for example it perhaps implies but definitely doesn't say explicitly that the majority of GPS devices, and almost but not quite all A-GPS ones, are mobile phones.  Is it time to make a separate GPS phone article, splitting the technology from its principal commercial application?  Or at least a section of the present article?  Jim.henderson (talk) 18:06, 29 August 2009 (UTC)
replies: text: the great majority of aGPS devices are in fact mobile phones at this point.Carwon (talk) 20:59, 22 September 2010 (UTC)
thread_title:  GPS phone 

message: Its said in this article that A-GPS is less accurate than regular GPS, how much is that? Regualr GPS has a +- deviation of 2 meters. How much is the deviation in the A_GPS in lets say an iPhone 3GS? 88.88.215.93 (talk) 16:11, 1 June 2010 (UTC)
replies: text: aGPS is no less accurate. A prior editor may have conflated or confused aGPS with land tower triangulation methods, which are not aGPS. aGPS is full use of GPS satellites, with assistance in initially locating them. A decreasing fractional use, MS assisted, while as accurate is not updated as often causing reporting lag and making it unsuitable for navigation, but it can resolve to full accuracy. Carwon (talk) 20:42, 22 September 2010 (UTC)
thread_title:  Accuracy 

message: The text "...resolve the problem..." should likely be replaced with "acquire a solution" since the word "problem" here introduces some ambiguity inasmuch as the Time To First Fix TTFF being delated until an almanac and ephemeris update is not pending on any true computation problem but is pending on data needed to provide a geometric solution. SoftwareThing (talk) 18:32, 27 June 2018 (UTC)
thread_title:  Rewording "resolve the problem" 

message: How do l add phone numbers Munya tari (talk) 09:42, 2 November 2018 (UTC)
thread_title:  How do l add phone number s 

message: I have a Nokia E72 phone. Released in 2009. Details of the phone: https://www.gsmarena.com/nokia_e72-2831.php
When I go control panel / General / Positioning / Positioning server, I can set for example
supl.vodafone.com
and it seems to work. The default setting was supl.nokia.com, which hasn't worked for years.
I have not tried this, but this probably would also work: supl.google.com
But I don't know where to find information, which A-GPS SUPL server works best with an old phone like thie Nokia E72?
Could some server work better than this vodafone server?
I am in no way a customer for Vodafone, but the server still works.
And the server should work in several countries, like in Finland and in Estonia, so one could use it abroad.
Wikipedia says:
"Not every A-GNSS server provides MSA mode operation due to the computational cost and the declining number of mobile terminals incapable of performing their own calculations. Google's SUPL server is one that doesn't".
Wikipedia gives 0 references for this! Since when Google's SUPL server discontinued MSA mode? How old devices need MSA mode?
Does Nokia E72 benefit from MSA mode? Which SUPL servers have MSA mode?
My other option would be to buy an external GPS device to get GPS information for my old Nokia E72. Would a Garmin Glo 2 work for this purpose? Garmin Glo 2 is a very new device and Nokia E72 is a very old device, so are there compatibility issues?
Should a Garmin Glo 2 work well also with a Windows 10 notebook computer, for example with ThinkPad?
--91.159.188.211 (talk) 22:04, 28 July 2022 (UTC)
thread_title:  Nokia E72 from year 2009 & A-GPS server addresses 

message: there are a number of different kinds of differential GPS add-ons, for example waas, egnos, and others. this article totally fails to make clear whether or not agps implements some sort of differential GPS. 97.120.86.96 (talk) 03:33, 7 October 2023 (UTC)
thread_title:  does agps include the concept of differential GPS?