FRAME SYNCHRONIZATION APPARATUS, SIGNAL ANALYSIS APPARATUS INCLUDING THE SAME, FRAME SYNCHRONIZATION METHOD, AND SIGNAL ANALYSIS METHOD

To provide a frame synchronization apparatus capable of quickly detecting the start position of a frame conforming to the 5G NR standard with a simple configuration.SOLUTION: A frame synchronization apparatus 30 includes a detection unit 50 that detects one of synchronization signal blocks from an i...

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Hauptverfasser: DONG PENG, SHIOZAWA YOSHIHIRO, SUZUKI JUNYA
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creator DONG PENG
SHIOZAWA YOSHIHIRO
SUZUKI JUNYA
description To provide a frame synchronization apparatus capable of quickly detecting the start position of a frame conforming to the 5G NR standard with a simple configuration.SOLUTION: A frame synchronization apparatus 30 includes a detection unit 50 that detects one of synchronization signal blocks from an input signal c, a setting unit 60 that sets the next candidate position on the time axis of the type of synchronization signal block detected by the detection unit on the basis of first and second arrangement patterns, a determination unit 70 that determines whether the signal block of the next candidate position in the input signal is the same as the detected type of synchronization signal block each time the next candidate position is set, and a leading position identification unit 80 that identifies the leading position of a frame on the basis of the first and second arrangement patterns when the determining unit determines that the signal block at the next candidate position is not the same as the detected type of synchronization signal block.SELECTED DRAWING: Figure 1 【課題】簡単な構成で5G NR規格に準拠したフレームの先頭位置を迅速に検出することができるフレーム同期装置を提供する。【解決手段】フレーム同期装置30は、入力信号cから同期信号ブロックの1つを検出する検出部50と、第1及び第2の配置パターンに基づいて、検出部が検出した種類の同期信号ブロックの時間軸上の次の候補位置を設定する設定部60と、次の候補位置が設定されるごとに、入力信号における次の候補位置の信号ブロックが前記検出した種類の同期信号ブロックと同一であるか否かを判定する判定部70と、判定部により次の候補位置の信号ブロックが前記検出した種類の同期信号ブロックと同一でないと判定されたとき、第1及び第2の配置パターンに基づいてフレームの先頭位置を特定する先頭位置特定部80とを備える。【選択図】図1
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title FRAME SYNCHRONIZATION APPARATUS, SIGNAL ANALYSIS APPARATUS INCLUDING THE SAME, FRAME SYNCHRONIZATION METHOD, AND SIGNAL ANALYSIS METHOD
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