发明名称 INTEGRATED RAILWAY RADIO SET AND SYSTEM THEREOF
摘要 <p>Disclosed are an integrated railway radio and a system including the same. According to an embodiment of the present invention, the integrated railway radio system comprises: a wireless gateway which relays a wireless communication between a radio or a terminal in at least one train wireless communication network and a radio in a wireless packet network; a radio control server which is connected to the wireless gateway, sets a call between the radios, and generates a channel to provide an Internet protocol (IP)-based push-to-talk (PTT) service between the radios; at least one wireless access apparatus which is connected to the radio control server; and a radio which accesses to the wireless access apparatus and is provided with the IP-based push-to-talk (PTT) service from the radio control server through the wireless packet network.</p>
申请公布号 KR101534761(B1) 申请公布日期 2015.07.09
申请号 KR20140079772 申请日期 2014.06.27
申请人 NETCODEC CO. 发明人 LEE, JONG HYEONG;CHO, CHANG HYUK;LEE, EE TAEK
分类号 H04W4/10;H04W80/10;H04W88/18 主分类号 H04W4/10
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