发明名称 WIRELESS MULTI-CHANNEL TRANSMITTING AND RECEIVING SYSTEM AND METHOD OF THE SAME
摘要 This invention is related to a radio multi-channel transmitting and receiving system and a method of the same by which a user can select a language and easily listen to a message composed of the selected language among radio multi-channel transmitting signals which are transmitted after being assigned contents composed of multi-language to each frame, and multi-language voice informations can be delivered in various galleries, international meeting hall, tourist resort and so on. Also, this invention, as a radio multi-channel transmitting and receiving system and a method of the same using HDMA (Hybrid Division Multiple Access) method mixed more than 2 methods of the various multiplex transmitting and receiving methods, is related to a Hand-off function, by which a user can automatically listen to a message transmitted from the nearest transmitter among various transmitters where many transmitters are simultaneously operating in gallery and exhibition etc., of the system.
申请公布号 WO2004054171(A1) 申请公布日期 2004.06.24
申请号 WO2003KR00680 申请日期 2003.04.04
申请人 KYUNGWOO SYSTECH INC.;CHANG, SAEKWON;CHANG, YOUNGJUN 发明人 CHANG, SAEKWON;CHANG, YOUNGJUN
分类号 H04L12/18;H04B17/00;H04H20/88 主分类号 H04L12/18
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