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    • 10. 发明授权
    • System and method for maintaining a backup radio operating parameter list in a secondary use communication system
    • 在二次使用通信系统中维护备用无线电操作参数列表的系统和方法
    • US08903442B2
    • 2014-12-02
    • US13605654
    • 2012-09-06
    • Ramandeep AhujaDavid P. Gurney
    • Ramandeep AhujaDavid P. Gurney
    • H04B7/00H04L12/24H04W12/08H04W48/00H04W16/14H04W28/18H04W4/02
    • H04W12/08H04L41/0681H04L41/12H04W4/02H04W16/14H04W28/18H04W48/00
    • A radio communication system (100) provides a radio air interface at a master node (102) for subscriber units associated with the master node. Among the subscriber units are several slave nodes (104, 106). The communication system has the ability to operate as a secondary user in unused spectrum portions of a frequency band otherwise reserved for primary operators. The master node accesses an authorization server (108) to obtain a list of unused channels in the region of the master node. Each slave node also contacts the authorization server to obtain a list of unused channels in the region where each respective slave node is located, via another network (118, 121). The unused channels common to the slave nodes and the master node are used to create a backup radio operating parameter list which is used by the master node if a fault occurs between the master node the authorization server.
    • 无线电通信系统(100)在与主节点相关联的用户单元的主节点(102)处提供无线电空中接口。 在用户单元中有几个从节点(104,106)。 通信系统具有作为次要用户操作的功能,该频段的频段的未使用频谱部分被保留给主要操作者。 主节点访问授权服务器(108)以获得主节点区域中的未使用信道的列表。 每个从节点还通过另一网络(118,121)与授权服务器联系以获得每个相应从节点所在区域中的未使用信道的列表。 从节点和主节点共同使用的未使用的通道用于创建主节点授权服务器之间发生故障时主节点使用的备用无线电操作参数列表。