increases, 80% of Smartphone users are expected to use LBS (by 2013) and the global market for mobile LBS will increase from $2.1 billion (2009) to $18.3 billion by 2015 with the Compound Annual Growth Rate of 43%. Along with the advancement in mobile technology, research into ways of determining the location of mobile terminals on various kinds of networks has been carried out extensively.
Location-Based Service Market Overview
LBS refer to class of computer program-level services used to include specific controls for location and time data as control features
Device Manufacturers
Samsung, Apple
Content Provider
3rd parties (restaurants, etc.)
Location Provider
Telecommunication companies (KT)
LBS Provider
Groupon, Foursquare, etc.
An active service requires the
Voice and data access from remote places
Guarantee coverage in non-remote locations
Roaming between existing cellular systems and satellites systems
Key technological challenges of the wide commercial success
Accuracy, Ubiquity of service, Delivery of information instantaneously
LBS (location-based services)
Wireless mobile content services that provide location-specific infor
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멀티미디어 서비스(Multimedia Service)
(1) 멀티미디어(Multimedia)
멀티미디어가 무엇인가에 대한 질문의 답은 멀티미디어 전문가들에 있어서도 시각에 따라 매우 다양하게 나타난다. Riehm과 Wingert는 1995년도 독일정부에 제출한 정책보고서에서 멀티미디어에 대한 다양한
The Concept of Ubiquitous Computing
The Internet is Simultaneous, Existing Everywhere and Omnipresent: Implement networking and computing functions to everywhere in order to conduct infra.
Beyond Time and Space Limitations: it enables people access to the information network and utilize various information communication service.
Integration: Integrate things, computers, or devices with