Showing posts with label GPS. Show all posts
Showing posts with label GPS. Show all posts

Thursday, 22 January 2009

Hybrid positioning technologies are getting traction

Hybrid positioning technologies are getting traction

Hybrid positioning technologies are getting traction



Hybrid positioning technologies are getting traction
Many new LBS applications such as social networking, local search, pedestrian and mass transit navigation or geo-tagging are expected to be used in places such as indoor or urban canyons where GPS takes forever to have a fix - or never does. Therefore, alternative and hybrid positioning technologies such as Wi-Fi and Cell-ID will become increasingly important to offer a smooth experience to consumers.

“Users expect a seamless and transparent location experience regardless of application or environment,” says ABI Research director Dominique Bonte. “Since no single positioning technology can provide this, the future will be about hybrid positioning systems, combining A-GPS, Cell-ID, Wi-Fi, cellular, motion sensors, and even TV broadcast and proximity technologies such as Bluetooth, NFC and RFID. A-GPS, Wi-Fi and Cell-ID will be the winning combination offering accuracy, availability, interoperability and short fix times at low cost. It will represent 25% of all positioning solutions by 2014. Stand-alone Cell-ID and/or Wi-Fi will remain important in regions with low GPS handset penetration.“

Step by step this market is taking shape. Two announcements made last week are demonstrating it.
First, Skyhook Wireless, the leader in the Wi-Fi positioning space (the Boston-based company powers the iPhone), has upgraded its SDK to include Android support, as well as hybrid positioning (GPS+Cell-ID+Wi-Fi) which offers a comprehensive solution to software developers willing to add location to their mobile applications.

Hybrid positioning technologies are getting traction
Second, the German software and service provider Spotigo announced that its WiFi-based Positioning Solution (“WiPS”) is now available in more than 25 countries. “The most important cities in countries like the United States, Germany, UK, Spain, France, Russia, India, Korea, etc. are covered significantly already”, said Spotigo in a statement. “We are looking forward to being able to provide a world-wide service within the next few months,” said Daniel PrĂ¼mers, CEO of Spotigo.

Navizon’s community

In addition to these public announcements, New-York City-based Navizon has been harnessing the power of its community which nowadays counts over 800,000 members. Indeed, while Skyhook Wireless relies on a fleet of paid drivers that build a Wi-Fi map database, Navizon relies on its members who automatically report and update new Wi-Fi hotspots around the world. Moreover, some of these users are getting money in doing that, because Navizon choosed to reward its most active users. As a result, Navzon has built a decent Wi-Fi and cell-ID data map for cities in emerging or developing markets such as Moscow, St Petersburg, San Paolo, Istanbul, Bangalore or Johannesburg. It might take months - if not years - to Skyhook to get there. But the Boston-based company has the advantage to set its database mapping priority on its own and to have a tighter control over the data.


Hybrid positioning technologies are getting traction
Google and Microsoft
Google has been building its own reference databases of cell-tower and/or Wi-Fi hotspot locations (called MyLocation) via user-generated content and/or self-learning mechanisms, and is offering it for free to developers. However, Google does not offer any service level agreement, does not disclose its coverage and has loose privacy rules. Microsoft is also starting to show interest in hybrid positioning technologies. Last week the Redmond- based corporation integrated cell tower triangulation into its Live Search Mobile application. It would not be surprising to see Microsoft interested in Wi-Fi positioning too.

If we look at the market as a whole, wireless operators are slowly but surely giving away their primacy over their customer’s location data, now offered as a web service by a wide variety of providers. The range of these providers is growing but there is however a strong barrier of entry: the gathering of Cell-ID and Wi-Fi data on a worldwide scale.

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Tuesday 20th January 2009
Ludovic Privat

Thursday, 4 December 2008

Meridian World Data latitude longitude global database lists

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GPS latitude longitude global database lists

GPS latitude longitude global database lists: "GPS
Global Positioning System

For more information on GPS well as global distance calculations, please see the list of world features databases.

GPS is a satellite-based radionavigation system developed and operated by the U.S. Department of Defense (DOD). GPS permits land, sea, and airborne users to determine their three-dimensional position, velocity, and time 24 hours a day, in all weather, anywhere in the world with a precision and accuracy far better than other radionavigation systems available today or in the foreseeable future.

GPS consists of three segments: space, control, and user.

* The Space Segment consists of 24 operational satellites in six circular orbits 20,200 km (10,900 NM) above the earth at an inclination angle of 55 degrees with a 12 hour period. The satellites are spaced in orbit so that at any time a minimum of 6 satellites will be in view to users anywhere in the world. The satellites continuously broadcast position and time data to users throughout the world.
* The Control Segment consists of a master control station in Colorado Springs, with five monitor stations and three ground antennas located throughout the world. The monitor stations track all GPS satellites in view and collect ranging information from the satellite broadcasts. The monitor stations send the information they collect from each of t"

Distance Calculation latitude longitude global database lists

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Distance Calculation using Latitude and Longitude in Different Programming Languages"

Calculate distance and bearing between two Latitude/Longitude points using Haversine formula in JavaScript

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Gobi™, Qualcomm Gobi™, QCT Gobi™ - QCTConnect.com

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Tuesday, 25 November 2008

New generation of GPS smartphones renews momentum for LBS infrastructure industry | telematicsupdate.com | News, Analysis & Events

New generation of GPS smartphones renews momentum for LBS infrastructure industry | telematicsupdate.com | News, Analysis & Events

New generation of GPS smartphones renews momentum for LBS infrastructure industry
Nov 24, 2008
Tags:

* LBS
* Navigation and Location

Despite the deteriorating economic climate, the availability of new generation GPS-enabled smartphones with large touch-screen displays is energising the handset-based navigation and LBS market.

The recent launches of devices such as Apple's iPhone, the BlackBerry Storm, the T-Mobile G1, Nokia's 5800 XpressMusic, and Sony Ericsson's Xperia X1 are fuelling interest in handset-based navigation and location-based, which in turn drives both third party LBS application development and the roll out of LBS infrastructure by carriers to support the much needed Secure User Plane Location (SUPL)-compliant Assisted GPS functionality.

"Handset technology finally offers the LBS user experience consumers have been waiting for," says ABI Research director Dominique Bonte. "Large touch screen displays are the most natural interface for engaging with map-based LBS applications, as demonstrated by the success of PNDs."

To date, most of the LBS infrastructure market in the US has been driven by E911 requirements, but the rollout of commercial LBS offers new opportunities for cellular location technologies such as Enhanced Cell-of-Origin and Uplink-Time Difference of Arrival (U-TDOA) - either as assistance or as a fallback option for GPS. These solutions are offered by vendors like Ericsson, TCS, NSN, Andrews, TruePosition, Redknee, Openwave, Polaris Wireless and Autodesk in the form of Mobile Location Centres (MLCs), Position Determining Equipment (PDE) and Location Enabling Servers (LES).
However, several handset manufacturers such as Nokia are providing carrier-independent remotely hosted A-GPS directly to the end user. At the same time GPS is increasingly being complemented by alternative positioning technologies such as Cell-ID and Wi-Fi to increase in-door coverage, providing service providers with ever-greater flexibility to roll out commercial LBS applications.

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