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Optimized Location Aware Applications On Ios

4684 words - 19 pages

Optimized Location Aware Applications on iOS Content
1. Abstract………………………………………………………………1 2. Introduction…………………………………….…………………….1 3. Design & Analysis…..……………………………………………….2 3.1. Positioning Technologies………………………………………2 3.1.1. Cellular Triangulation……………………………………2 3.1.2. Global Positioning System (GPS).……………………….3 3.1.3. Assisted GPS (A-GPS).…………………………………..4 3.1.4. Wireless Positioning System (WPS)……………………..4 3.2. Location Detection on iOS…………………………………......5 3.2.1. Standard Location Service……………………………….5 3.2.2. Significant Location Change Service…………………….6 3.2.3. Region Monitoring Service……………………………....6 3.3. Challenges on iOS……………………………………………...6 3.3.1. Inaccurate Location ...view middle of the document...

Groupon, Foursquare, Loopt, Roamz and many more are now popular names among users. Let us start with understanding usefulness of such applications. Location aware applications are intuitive and have much better user experience. Let us say you are travelling and would like to know services and facilities available around you. All you have to do is open an application on your phone and you will get to know about various eating outlets around you and much more. Location awareness has enabled a number of new use cases. Things you earlier could have never thought off. User's location can be used to create solutions for various verticals: • Navigation: Google Maps, TomTom aid users in turn-by-turn navigation. • Networking: Foursquare helps you in finding friends currently in your neighborhood. • Local information about facilities and services: Roamz shows you social content about places, events and activities around you. • Geo marketing: Groupon features deals on the best stuff to do, see, eat and buy in your favorite neighborhoods. • Lifestyle: Location based reminders are now part of iOS 5. • Games: TrezrHunt is based on real locations where you have to find your way to witch Armagal's treasure. The benefits are immense for end users as well as business owners. However, despite so many benefits, adoption rate of such applications is not catching up at the rate expected. According to a new report from Forrester Research, out of 37000 U.S. online adults, only about 5% of users use location aware applications once a month. There are number of challenges associated with development of location aware applications for mobile devices. This paper elaborates those challenges and tries to find optimal solution for them. It is focused primarily for iOS platform; however, some of the challenges are generic and apply for all mobile platforms.

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Optimized Location Aware Applications on iOS

Sourabh Raheja

Kindly note some of the excerpts of this paper are from my own blog published at: http://xebee.xebia.in/2011/12/28/how-to-conceptualize-a-location-awareapplication/ 3 3.1 Design & Analysis Positioning Technologies The term positioning technologies refer to the technology within the mobile device that lets you know where the device is at any point in time with varied degree of accuracy. These technologies are a combination of hardware (for example GPS) and software (for example location detection using cell tower signals) with each one of them having its own advantages as well as dis-advantages. This section will give you an overview of main positioning technologies commonly used today: Cellular Triangulation, Global Positioning System (GPS), Assisted GPS (A-GPS) and Wireless Positioning System (WPS). 3.1.1 Cellular Triangulation Cellular Triangulation uses the known speed of radio signals (constantly emitted by mobile phones) to calculate the distance from receivers. Geometrically, by recording the distance of an object from three distinct...

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