发明名称 DETERMINING METHOD, COMPUTER PRODUCT, DETERMINING APPARATUS, AND DETERMINING SYSTEM
摘要 A determining method executed by a processor includes obtaining distance information that indicates a distance between monitoring apparatuses disposed to encompass a given area in which wireless communications apparatuses are scattered; causing a wireless signal to be transmitted and received between the monitoring apparatuses by multi-hop communication among the wireless communications apparatuses; calculating an estimated distance between the monitoring apparatuses, based on a hop count of the wireless signal multi-hop communicated among the monitoring apparatuses; and making a determination concerning a vacant area in which none of the wireless communications apparatuses is present, based on a result of comparison of the distance indicated by the obtained distance information and the calculated estimated distance.
申请公布号 US2015153439(A1) 申请公布日期 2015.06.04
申请号 US201514619879 申请日期 2015.02.11
申请人 FUJITSU LIMITED 发明人 OTOMO Toshiya;YAMASHITA Koichiro;SUZUKI Takahisa;YAMAUCHI Hiromasa;KURIHARA Koji;TERANISHI Yuta
分类号 G01S5/02;H04W4/02;H04L12/733 主分类号 G01S5/02
代理机构 代理人
主权项 1. A determining method executed by a processor, the determining method comprising: obtaining distance information that indicates a distance between monitoring apparatuses disposed to encompass a given area in which wireless communications apparatuses are scattered; causing a wireless signal to be transmitted and received between the monitoring apparatuses by multi-hop communication among the wireless communications apparatuses; calculating an estimated distance between the monitoring apparatuses, based on a hop count of the wireless signal multi-hop communicated among the monitoring apparatuses; and making a determination concerning a vacant area in which none of the wireless communications apparatuses is present, based on a result of comparison of the distance indicated by the obtained distance information and the calculated estimated distance.
地址 Kawasaki-shi JP