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    • 47. 发明授权
    • Method and apparatus for close proximity device discovery
    • 用于近距离装置发现的方法和装置
    • US08842792B2
    • 2014-09-23
    • US13543384
    • 2012-07-06
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • Joni JantunenHannu LaineJari-Jukka Harald KaajaJukka ReunamakiIlari Teikari
    • H04L7/04G06K7/10
    • G06K7/10039G06K7/10306
    • Method, apparatus and computer program for broadcasting a synchronization signal as a timing reference for slave devices; broadcasting by an impulse radio transceiver a discovery request packet with a given timing offset with relation to the timing reference, for reception by receptive slave devices with matching timing with the given timing offset; receiving by the impulse radio transceiver a response packet from each receptive slave device with the given timing offset; and detecting a timing conflict in which the impulse radio transceiver has simultaneously received two or more response packets, and responsively transmitting by the impulse radio transceiver to the receptive slave devices a response change request packet; the response change request packet requesting one or more of the receptive slave devices to cease sending response packets in response to a following discovery request packet sent with the given timing offset.
    • 用于广播作为从设备的定时参考的同步信号的方法,装置和计算机程序; 通过脉冲无线电收发机广播具有关于定时参考的给定定时偏移的发现请求分组,以便具有与给定定时偏移的匹配定时的接收从设备接收; 由脉冲无线电收发机接收来自具有给定定时偏移的每个接收从设备的响应分组; 并且检测脉冲无线电收发器同时接收两个或更多个响应分组的定时冲突,以及由脉冲无线电收发机响应地向接收从设备发送响应改变请求分组; 所述响应改变请求分组响应于以给定的定时偏移发送的随后的发现请求分组,请求接收从设备中的一个或多个接收从设备停止发送响应分组。