帧偏置表示小区空口帧的起始相对于参考时钟源的延迟时间。帧偏置需保证同一个基带板上时间偏置一致，小区（3个都是D频段）修改后正常，只修改一个D频段小区会导致小区无法建立。文章旨在对帧偏置影响接通率问题进行总结，为后续优化提供参考。%Frame offset represents the delay time of starting small empty frame in district relative to the reference clock source. The frame offset needs to make the time be consistent with offset on baseband board , districts (3 are D bands) are modiifed properly and turns to be normal. Only modifying a D frequency cof district would will lead to the district can not be established. This article aims to summarizing the issue that frame offset affects the connected rate, which would provide a reference for further optimization.
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