Issue No. 06 - November/December (2002 vol. 22)
<p>Discover how 2G and 2.5G cell phones can help provide ubiquitous spatial-information services. with 3G cell phones just on the horizon, this approach promises to be practical and convenient.</p>
S. Shimada, K. Maruyama and M. Tanizaki, "Ubiquitous Spatial-Information Services Using Cell Phones," in IEEE Micro, vol. 22, no. , pp. 25-34, 2002.