Mobile access to the Internet: from personal bubble to satellites

Mario Gerla

doi:10.1117/12.445242

18 October 2001 Mobile access to the Internet: from personal bubble to satellites

Mario Gerla

Proceedings Volume 4586, Wireless and Mobile Communications; (2001) https://doi.org/10.1117/12.445242
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

Abstract

Mobile, wireless access and networking has emerged in the last few years as one of the most important directions of Internet growth. The popularity of mobile, and, more generally, nomadic Internet access is due to many enabling factors including: (a) emergence of meaningful applications tailored to the individual on the move; (b) small form factor and long battery life; (c) efficient middleware designed to support mobility; and, (d) efficient wireless networking technologies. A key player in the mobile Internet access is the nomad, i.e. the individual equipped with various computing and I/O gadgets (cellular phone, earphones, GPS navigator, palm pilot, beeper, portable scanner, digital camera, etc.). These devices form his/her Personal Area Network or PAN or personal bubble. The connectivity within the bubble is wireless (using for example a low cost, low power wireless LAN such as Bluetooth). The bubble can expand and contract dynamically depending on needs. It may temporarily include sensors and actuators as the nomad walks into a new environment. In this paper, we identify the need for the interconnection of the PAN with other wireless networks in order to achieve costeffective mobile access to the Internet. We will overview some key networking technologies required to support the PAN (eg, Bluetooth). We will also discuss an emerging technology, Ad Hoc wireless networking which is the natural complement of the PAN in sparsely populated areas. Finally, we will identify the need for intelligent routers to assist the mobile user in the selection of the best Internet access strategy.

Citation Download Citation

Mario Gerla "Mobile access to the Internet: from personal bubble to satellites", Proc. SPIE 4586, Wireless and Mobile Communications, (18 October 2001); https://doi.org/10.1117/12.445242

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KEYWORDS

Internet

Satellites

Local area networks

Cell phones

Data communications

Mobile communications

Wireless communications

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