Apparatus and method for identifying downlink transmit beams in cellular networks

摘要

Provided is a communication method and system for fusion of a 5th generation (5G) communication system that supports a higher data rate than a 4th generation (4G) system using IoT (internet of things) technology. Communication methods and systems can be applied to intelligent services based on 5G communication technology and IoT related technologies such as smart home, smart building, smart city, smart car, connected car, healthcare, digital education, smart retail, security and safety services. have. According to aspects of the present disclosure, a method and apparatus for transmitting a random access preamble in a wireless communication system is provided. According to another aspect of the present disclosure, a method and apparatus for requesting and transmitting system information is provided.