Abstract: A method by which a first communication node operates in a communication system comprises the steps of: generating a first sequence and a second sequence; generating a first signal sequence on the basis of the first sequence and the second sequence; and transmitting a first signal generated by modulating the first signal sequence, wherein even-numbered elements and odd numbered elements of the first signal sequence are classified into a first element group and a second element group, respectively, and any one of the first sequence and the second sequence can be mapped in ascending order in the first element group, and the other one thereof can be mapped in descending order in the second element group.

Abstract: Disclosed herein is a method for outer-product-based matrix multiplication for a floating-point data type includes receiving first floating-point data and second floating-point data and performing matrix multiplication on the first floating-point data and the second floating-point data, and the result value of the matrix multiplication is calculated based on the suboperation result values of floating-point units.

Abstract: Disclosed herein is an AI accelerator. The AI accelerator includes processors, each performing a deep-learning operation using multiple threads; and a cache memory including an L0 instruction cache for providing instructions to the processors and an L1 cache mapped to the multiple areas of mapped memory.

Abstract: Disclosed herein is a method and apparatus for injecting a fault and analyzing fault tolerance. The fault tolerance analysis apparatus extracts design information from a design. The fault tolerance analysis apparatus may inject a fault into a simulation of the design based on the extracted design information and parameters, and analyzes an influence of the fault on the simulation. Accordingly, in accordance with the fault tolerance analysis apparatus, fault tolerance for the fault injected into the simulation is analyzed, and the effect of the fault tolerance mechanism provided in the design is analyzed.

Abstract: Disclosed herein is a method and apparatus for injecting a fault and analyzing fault tolerance. The fault tolerance analysis apparatus extracts design information from a design. The fault tolerance analysis apparatus may inject a fault into a simulation of the design based on the extracted design information and parameters, and analyzes an influence of the fault on the simulation. Accordingly, in accordance with the fault tolerance analysis apparatus, fault tolerance for the fault injected into the simulation is analyzed, and the effect of the fault tolerance mechanism provided in the design is analyzed.