The Advanced Communications Technology Satellite (ACTS) Mobile Terminal (AMT) is a proof-of-concept K/Ka-band mobile satellite communications terminal under development by NASA at the Jet Propulsion Laborato~. Currently the AMT is undergoing system integration and test in preparation for a July 1993 ACTS launch and the subsequent commencement of mobile cxpcrimcnts in the fall of 1993. The AMT o...

80 IEEE Concurrency T simultaneous evolution of mobile communications and multimedia applications points toward a future where both technologies play a significant role in shaping mobile multimedia communication. However, the destiny of mobile communications and, to a great extent, of sophisticated mobile multimedia, heavily depends on the success of the emerging third generation of mobile comm...

In this paper a view of the European developments in the field of wireless broadband multimedia communications is given following two lines: on one side evolution in Second and Third Generation of mobile communications; on the other side evolution of multimedia data communications. This two evolutions will merge into a new concept of communications: the Mobile Broadband Systems, or fourth gener...

In Japan, the total number of mobile-phone and personal handy-phone system (PHS) users reached 111 million as of the end of February 2009 and the penetration rate of the third-generation mobile communications system (IMT-2000) exceeded 88%. These figures testify to the provision of a data communications environment for mobile users. At the same time, the use of data communications via mobile ph...

This report examines methods of mobile communications with an emphasis on mobile computing and wireless communications. Many of the advances in communications involve the use of Internet Protocol (IP), Asynchronous Transfer Mode (ATM), and ad hoc network protocols. However, many of the advances in these protocols have been focused on wired communications. Recently much focus has been directed a...

Over the past few years, mobile marketing has generated an increasing interest among academics and practitioners. While numerous studies have provided important insights into the mobile marketing, our understanding of this topic of growing interest and importance remains deficient. Therefore, the objective of this article is to provide a comprehensive framework intended to guide research effort...