Smart Phone and Next Generation Mobile Computing

Mobile Application Challenges 505

service, or 2.5G/3G cellular services are among the most commonly

used telematics wireless networks. A telematics system may also make

use of some wireless local area networks in the vicinity for Internet

access. In addition, direct intervehicle communication (car-to-car

walkie talkie) might occasionally be required by a group of peo-

ple on the road as a way to reduce communication overhead and

economic cost. Intervehicle communication is essentially a mobile

ad hoc network with vehicles as the moving nodes. These nodes may

share several Internet connections managed by some of the member

nodes. They can also provide rich collaborations among people in the

vehicles, such as multiplayer gaming, conferencing, and application ...