In a world of increasing mobility, there is a growing need for people to communicate with each other and have timely access to information regardless of the location of the individuals or the information. With the advent of moblle technology, the way of communication has changed. The gira system is basically a mobile phone technology service. In this paper we discuss about a novel local area ne...

In recent years, there has been growing interest in secure pairing, which refers to the establishment of a secure communication channel between two mobile devices. There are a number of descriptions of the various types of out-of-band (OOB) channels, through which authentication data can be transferred under a user’s control and involvement. However, none have become widely used due to their la...

Recent rapid development in mobile communication enables people being with cellular phone wherever they go. It is practical to enhance the functionality of cellular phone, and one is to boost consumerfriendly mobile transactions by replacing traditional credit card payment system. However, previous researches focus on the improvement of smartcard technology [1]. That means the handset must be u...

Now that the number of cellular phone subscribers is over 1.6 billion in the world and over 180 million in the United States, it is an appropriate time to consider Asia, the “new” wireless economy, with respect to mobile telephony. Several major cellular phone service providers chose Korea as a testing ground to assess the effects of third generation (3G) technology and deployment. Several Kore...

P2P (Peer-to-Peer) technologies are well established and have now become accepted as a mainstream networking approach. However, the explosion of participating users has not been replicated within the mobile networking domain. Until recently the lack of suitable hardware and wireless network infrastructure to support P2P activities was perceived as contributing to the problem. This has changed w...

This project involves the design and development of a mobile application, called Mobile Bar-Code (MB-C) that uses the bar-code concept in the process of check-in to the provider’s venue or facility. The MB-C integrates both web and wireless technologies. It provides a wireless service, over the cellular network that sends a barcode containing the check-in details, directly to the client’s mobil...

Because people have different levels of engagement with each other, measuring social relations is difficult. In this work, we propose a method of measuring social relations with multiple datasets and demonstrate the differences with empirical evidence. Our empirical findings demonstrate that people use different communication media channels differently. Therefore, we suggest that in order to un...