Mobile communication method and device for broadband system

Abstract

Disclosed are a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G communication system, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. The present disclosure can be applied to: an operating method of a base station, including the steps of transmitting a synchronization signal (SS) measurement report request to a terminal, receiving, from the terminal, a first measurement report including SS measurement information on a neighboring base station, transmitting to the terminal, a channel state information-reference signal (CSI-RS) measurement report request on the basis of the first measurement report, and receiving, from the terminal, a second measurement report including the CSI-RS measurement information on the neighboring base station, the base station; a terminal communicating with the base station; and an operating method of the terminal.