In the end, the design of variable-length tree resources naming is given to reduce control signaling overhead in carrier aggregation.

最后，在聚合后的资源标识方面，设计变长树型的资源标识方式，降低控制信令的开销。

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For reducing the delay and signaling overhead in MIP, some IP-based micro-mobility protocols supporting fast and reliable handoff were proposed.

为了减少MIP中的时延和信令开销，提出了支持快速、可靠切换的IP微移动性协议。

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Analysis shows that compared with the existing single-layer management, SIP-MIP has a lower signaling overhead, and can better support the mobile node.

分析表明，与现有单层移动管理相比，SIP - MIP具有较低的信令开销，可以更好的支持节点的移动。

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