Mobile body information system

Details Mobile body information system Mobile body information system

2007-06-05

2007-06-05

Nguyen, Duc M. (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S569100, C455S575900, C455S453000

Reexamination Certificate

active

10653955

ABSTRACT:
A mobile body information system comprises a center system and a vehicle-mounted terminal device. The vehicle-mounted terminal device is configured to determine a density of communication areas of narrow area wireless base stations along a travel route of a vehicle based on a current position of the vehicle and installation data of the narrow area wireless base stations. When the density of communication areas is high, the vehicle-mounted terminal device is configured to recommend to a user a divided download format in which the information is intermittently distributed through a plurality of the narrow area wireless base stations while the vehicle is travelling. When the density of the communication areas is low, the vehicle-mounted terminal device is configured to recommend a batch download format in which the information is distributed through one of the narrow area wireless base stations while the vehicle remains in one communication area.

REFERENCES:
patent: 6912385 (2005-06-01), Namba et al.
patent: 2001/0034239 (2001-10-01), Yamato et al.
patent: 2001/0044315 (2001-11-01), Aoki et al.
patent: 2002/0118656 (2002-08-01), Agrawal et al.
patent: 2005/0153697 (2005-07-01), Patel
patent: 2002-123441 (2002-04-01), None

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