公开(公告)号：US20180124686A1

公开(公告)日：2018-05-03

申请号：US15568457

申请日：2016-04-20

申请人： AGENCY FOR SCIENCE TECHNOLOGY, TECHNOLOGY AND RESEARCH

发明人： Ser Wah OH ,  Yugang MA ,  Chu Yeow Edward PEH ,  Yiyang PEI

IPC分类号： H04W48/10 ,  H04W16/14 ,  H04H60/23 ,  H04N21/61

CPC分类号： H04W48/10 ,  G06F16/29 ,  H04H60/23 ,  H04H60/43 ,  H04H60/50 ,  H04N21/6112 ,  H04W16/14

摘要： Embodiments of the invention relate to method of operating television white space (TVWS) geo-location database (GLDB). The method comprises: embedding a plurality of data signals in a plurality of radio frequency (RF) broadcast signals of at least one existing television or radio channel, wherein the data signals comprise at least one of TVWS GLDB data, time reference data and broadcast transmitter data which comprises at least one of transmitter location data and transmitter identification; and transmitting, over a RF network which is other than an interne protocol (IP) network, the RF broadcast signals together with the embedded data signals to a plurality of white space devices.