The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for obtaining traffic information by a terminal in a wireless communication system. The method comprises the steps of: broadcasting a first D2D discovery signal requesting traffic information to a plurality of first surrounding terminals; receiving, in response to the first D2D discovery signal, a second D2D discovery signal indicating surrounding traffic information from one or more second surrounding terminals among the plurality of first surrounding terminals; and updating the traffic information of the surrounding area on the basis of the one or more second D2D discovery signals.
近距離通信を用いた交通情報取得方法及びそのための装置
2019-03-27
Patent
Elektronische Ressource
Japanisch