BACKGROUND The development of a mobile telephone food record has the potential to ameliorate much of the burden associated with current methods of dietary assessment. When using the mobile telephone food record, respondents capture an image of their foods and beverages before and after eating. Methods of image analysis and volume estimation allow for automatic identification and volume estimati...

This research-in-progress paper examines how to facilitate in-car use of multi-context mobile services such as mobile telephone calls, e-mail, news, and SMS. Because the car is a mobile context with specific convenience and safety problems, it is important to identify and explore seamless ways to use in-car resources such as dashboard control buttons, in-car audio systems, and in-car displays f...

Smart Antennas are being regarded by many as the key solution to increasing the spectral efficiency and improving the system performance in mobile communication. In principle, an antenna is smart only when it can recognize and track the signal of a particular mobile telephone while suppressing interfering signals. This can be achieved by forming a beam towards the mobile telephone, hence, the t...

How did we arrive at our current state of tHe art? Pre-Cellular Mobile Telephony In order to understand where we're going, we need to understand how we arrived at today's state of the art. The notion of reliable mobile telephone service was first introduced in the 1950's. The first widely deployed system was developed by AT&T Bell Laboratories in the United States and referred to as Mobile Tele...

introduction: the mobile phone is viewed as an important communication tool and has become an integral part of the iranian society and they are increasingly using the mobile phone rather than the fixed line telephone as a way to keep in touch with their family, friends, colleagues and business associates. today, mobile phones are equipped with other features that allow further communication and...

This study analyzes longitudinal trends in Korean use of (1) domestic mail, (2) international mail, (3) domestic telephone calls, (4) international outgoing telephone calls, (5) telex, (6) mobile telephones, (7) televisions and (8) the internet to examine the media’s displacement or supplementary effects. The results show that international mail, domestic telephone and telex can be best describ...