Each operator hope to get more benefit from less resource. Therefore, how to improve manage cost become a major issue facing firm leaders.
每个经营者都想以较少的资源投入来获得更多的收益，因此合理的成本管理成了企业管理者所面临的重大课题。
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Abstract: In wireless telecommunication, in order to protect communication system from monitoring and steal radio resource by illegal intruder, security is a critical issue for any operator.