发明名称 Containerized cargo/high value asset tracking method, device and system
摘要 A cargo, containerized cargo, high value asset monitoring and tracking communication system including a local area network (LAN) transmitter that transmits a first message having a first frequency spectrum, and a wide area network (WAN) uplink device that receives the first message from the local area network radio transmitter, whereby both WAN and LAN share the same spectrum. Further, the WAN uplink device transmits a second message having a second frequency spectrum overlapping the first frequency spectrum to a WAN receiver using an orbital satellite. At least one of the LAN transmitter and the WAN uplink device transmits with a transmission characteristic different from a transmission characteristic of the other. A communication device and method include similar features.
申请公布号 US7787409(B2) 申请公布日期 2010.08.31
申请号 US20050045314 申请日期 2005.01.31
申请人 SOUTHERN FOCUS INVESTMENTS, LLC 发明人 SANDERFORD, JR. H. BRITTON
分类号 H04B7/216;H04L12/28 主分类号 H04B7/216
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