Samsung Electronics Co., Ltd.

Daeson Kim

Mingoo Kim

Chaehag Yi

Juhyuk Im

Hoguen Ji

An operating method of a terminal, the operating method includes determining a decoding priority of a plurality of aggregation levels based on reference information, the plurality of aggregation levels corresponding to a downlink control channel, performing candidate filtering-based blind decoding on one or more control channel candidates corresponding to the plurality of aggregation levels according to the decoding priority to obtain a decoding result, and receiving downlink control information based on the decoding result.

UE performing blind decoding, communication system including the same, and operation method of the UE and the communication system

Methods and apparatuses are provided for operating a list Viterbi decoder. A path metric difference (PMD) threshold is set based on an input signal level and a PMD limit value. Decoding is performed by using the PMD threshold. Performing the decoding includes determining a PMD of a best path, comparing the determined PMD and the PMD threshold, and declaring a decoding failure and ending performing of the decoding, if the PMD is greater than or equal to the PMD threshold.

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Seoul, South Korea

Daeson Kim