Electronics and Telecommunications Research Institute

Jun Seok Kim

Jong Soo Lim

Young Jun Chong

Ju Yeon Hong

Chung Sup Kim

Exemplary embodiments provide a method of correcting a result of a ray tracing-based propagation channel simulation. The method of correcting propagation channel simulation data, includes: determining an intensity error value of a propagation channel simulation model for a propagation path associated with each object in a space for which a three-dimensional (3D) environment map is given and storing the intensity error value in a storage device; performing a propagation channel simulation for an arbitrary pair of a transmitter position and a receiver position in the space to obtain multipath components; determining an object having influenced propagations of the multipath components in the space; and correcting an intensity of at least one of the multipath components by applying the intensity error value associated with a determined object stored in the storage device.

Propagation channel simulation method and apparatus

An operating method of a power estimation apparatus comprising a fixed antenna and a mobile antenna may comprise: a first operation of obtaining N measurement values by receiving a signal from signal sources using the fixed antenna and the mobile antenna that moves at a speed v from a first point to an Nth point; a second operation of generating a two-dimensional (2D) data collection set comprising N&#xd7;M measurement values, by repeating the first operation M times; applying an approximation singular value decomposition (SVD) algorithm to the 2D data collection set; and obtaining information of the signal sources based on an application result of the approximation SVD algorithm, wherein N and M are natural numbers.

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Daejeon, South Korea

Jun Seok Kim