Mobile device and radio interface arrangement method

Details Mobile device and radio interface arrangement method Mobile device and radio interface arrangement method

2011-03-08

2011-03-08

Nguyen, Duc M. (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S440000, C455S442000, C455S132000, C455S135000

Reexamination Certificate

active

07904085

ABSTRACT:
A transmitter/receiver101on a mobile body10utilizes a plurality of antennas100. It is assumed that a plurality of the antennas100are distributed and arranged in a moving direction of the mobile body, and the antennas at both ends are away from each other at an extent that a distance between the antennas is not negligible as compared with an interval of the base station. A radio wave from the base station102-1is stronger in intensity in100-1than in the center, and the radio wave from the base station102-2is stronger in intensity in100-2than in the center, respectively, whereby the communication stabilization effect, which is larger as compared with the case that the antennas are locally located in the center, is expected. This enables the interval of the base station, which is broader than the conventional one, to be employed, yet both of a speed and a frequency of a hand-over process to be lowered, and in addition hereto, the bandwidth utilization efficiency, which is higher as compared with that of the conventional example, to be realized.

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