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1. (WO2014192142) WIRELESS TERMINAL, IMPORTANCE-DEGREE GENERATION METHOD, AND WIRELESS COMMUNICATION SYSTEM

Pub. No.:    WO/2014/192142    International Application No.:    PCT/JP2013/065227
Publication Date: Fri Dec 05 00:59:59 CET 2014 International Filing Date: Sat Jun 01 01:59:59 CEST 2013
IPC: H04W 40/18
H04W 40/14
H04W 84/18
Applicants: FUJITSU LIMITED
富士通株式会社
Inventors: IBUKI, Jun
伊吹 潤
Title: WIRELESS TERMINAL, IMPORTANCE-DEGREE GENERATION METHOD, AND WIRELESS COMMUNICATION SYSTEM
Abstract:
This importance-degree generation method, in which an importance degree is generated for each node in a network system in which routes between said nodes are adjusted dynamically in accordance with the environment, is designed such that: each node determines, and stores in a storage device, a set of segmenting points, namely nodes that segment routes within the network system; each node transmits a packet containing the aforementioned set of segmenting points to other nodes bidirectionally connected to that node; and on the basis of a set of segmenting points contained in a packet received from a relay node, a target node which serves as the final destination for data originating from an originating node calculates a segmentation probability for each transmitting-node/receiving-node pair, indicating where segmentation would have to occur for transmission to be disrupted, and generates an importance degree that indicates, in the form of a transmission-failure probability, the impact that the failure of the aforementioned relay node would have on the network system.