Nippon Telegraph and Telephone Corporation

Daisuke Koizumi

Takahiro Asai

Akira Yamada

Masato Mizoguchi

Hirantha Abeysekera

Takeo Ichikawa

Akira Kishida

Munehiro Matsui

Yoshifumi Morihiro

Akiyoshi Inoki

Provided is a wireless environment evaluation method including a stepacquiring 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 stepcalculating a normal reception rate S in a congesting situation in reception according to the number of wireless stations in transmission standby; a stepacquiring 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 stepdetermining a degree of the exposed situation in reception according to a ratio of the normal reception rate S&#x2032; to the normal reception rate S.

Wireless environment evaluation method and wireless communicaton system

Growing community of inventors

Tokyo, Japan

Daisuke Koizumi