A group communication device, method and communication system. The group communication method includes: scrambling the data information of the message with corresponding scrambling information according to the message type and/or message sending range; different message types and/or message sending range correspond to different scrambling information; and sending scrambled data information. As a result, the internal members or external devices of the group can selectively receive messages of different types or different target ranges; not only can the messages be correctly received by the corresponding recipients, but also can improve the security of the internal messages.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请,说明书已公开。
【技术保护点】
PCT国内申请,权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请,...
【专利技术属性】
技术研发人员:蒋琴艳,周华,郤伟,
申请(专利权)人:富士通株式会社,
类型:发明
国别省市:日本,JP
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