公开(公告)号：EP3422759A1

公开(公告)日：2019-01-02

申请号：EP17756617.1

申请日：2017-02-23

申请人： Nippon Telegraph And Telephone Corporation

发明人： INOKI, Akiyoshi ,  ABEYSEKERA, Hirantha ,  MATSUI, Munehiro ,  ICHIKAWA, Takeo ,  MIZOGUCHI, Masato ,  KISHIDA, Akira ,  KOIZUMI, Daisuke ,  YAMADA, Akira ,  MORIHIRO, Yoshifumi ,  ASAI, Takahiro

IPC分类号： H04W24/06 ,  H04W24/08 ,  H04W74/08 ,  H04W84/12

摘要： Provided is a wireless environment evaluation method including a step 1 acquiring a transmission and reception history of wireless signals transmitted and received between the plurality of wireless stations and acquiring or estimating a number of wireless stations in transmission standby, based on the transmission and reception history; a step 2 calculating a normal reception rate S in a congesting situation in reception according to the number of wireless stations in transmission standby; a step 3 acquiring a normal reception rate S' of the wireless signals per a fixed channel use time from the transmission and reception history in the prescribed wireless station; and a step 4 determining a degree of the exposed situation in reception according to a ratio of the normal reception rate S' to the normal reception rate S.