| 摘要 |
Provided in the present invention are a method, an apparatus and a system for realizing integrity protection. The method includes the following steps: a relay node (RN) receives a message, from a base station, carrying integrity protection information; the RN provides integrity protection for the transmitted data according to the integrity protection information. The embodiments of the present invention can provide integrity protection for the data that requires the integrity protection, especially for S1-AP messages and X2-AP messages.
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