Radio resource allocation system and roadside equipment

Details Radio resource allocation system and roadside equipment Radio resource allocation system and roadside equipment

2011-08-23

2011-08-23

Wu, Jianye (Department: 2462)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S347000, C455S421000, C455S424000

Reexamination Certificate

active

08005052

ABSTRACT:
A radio resource allocation system in which equipment placed on a road allocates a radio resource to in-vehicle equipment that exists in a given area is provided. The radio resource allocation system includes the in-vehicle equipment mounted on a vehicle that communicates with another in-vehicle equipment by using the radio resource. The in-vehicle equipment includes a signal transmitting unit that transmits a signal showing that the own vehicle exists in the given area. The roadside equipment includes a radio resource allocation unit that allocates the radio resource to the in-vehicle equipment when the roadside equipment receives the signal transmitted by the signal transmitting unit, and a radio resource release unit that releases the radio resource when the roadside equipment does not receive the signal from the in-vehicle equipment that is allocated the radio resource by the radio resource allocation unit.

REFERENCES:
patent: 2004/0203767 (2004-10-01), Fraser et al.
patent: 2005/0168350 (2005-08-01), Tauchi
patent: 2005/0226201 (2005-10-01), McMillin
patent: 2007/0293224 (2007-12-01), Wang et al.
patent: 2003-179543 (2003-06-01), None
patent: 2005-236952 (2005-09-01), None
patent: 2006-121683 (2006-05-01), None

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