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对GSM系统信令分析仪中信令关键处理部分进行了论述,并对GSM信令核心部分A接口信令中BSSMAP和DTAP进行了深入分析和研究,给出了BSSMAP和DTAP信令的消息构成,提出了BSSMAP和DTAP解码的一种方法,通过GSM移动信令分析仪在网实际测试表明该方法实用并且信令分析准确。
The key part of the signaling processing in the GSM system signaling analyzer is discussed. The BSSMAP and DTAP in the A signaling of the GSM signaling core are analyzed and studied in detail. The message structure of the BSSMAP and DTAP signaling is given , A method of decoding BSSMAP and DTAP is proposed. Actual tests on the network by GSM mobile signaling analyzer show that the method is practical and the signaling analysis is accurate.