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Abstract

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for managing a hybrid automatic repeat request (HARQ) process of a base station in a mobile communication system according to an embodiment of the present disclosure includes confirming whether a first data corresponding to a first service and a second data corresponding to a second service collide with each other. The method also includes determining whether to toggle a new data indicator (NDI) based on a modulation and coding scheme (MCS) index and the number of physical resource block (PRB) if it is determined that the first data and the second data collide with each other and retransmitting the NDI and the first data according to the determination result.

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First Claim