Data transmission apparatus capable of dividing network areas

Multiplex communications – Network configuration determination

Reexamination Certificate

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Reexamination Certificate

active

07656820

ABSTRACT:
A transmission apparatus that automatically makes area division on the basis of a predetermined condition to lessen the labor of a maintainer. Transmission apparatus1a, . . . , 1m, . . . make up one area. Each of the transmission apparatus1a, . . . , 1m, . . . transmits data in the area or between areas according to its level. The transmission apparatus1a, . . . , 1m, . . . select the transmission apparatus1has a network leader in the area. The transmission apparatus1hcalculates division points at which the area is to be divided on the basis of the predetermined condition. The transmission apparatus1hselects the transmission apparatus1aand1badjacent to one of the division points as area group leaders. Each of the transmission apparatus1aand1bchanges its level so as to be able to transmit data between a new area formed as a result of division and an existing area. The transmission apparatus1a, . . . , 1m, . . . transmit data between the new area and the existing area via the transmission apparatus1aand1bselected as area group leaders.

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Eriksson, et al, Scalable Ad Hoc Routing: The Case for Dynamic Addressing, Mar. 2004, IEEE, Infocom 2004, pp. 1108-1119.

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