Local communication network for power reduction and enhanced reliability in a multiple node tracking system

A mobile local area network (LAN) of tracked assets utilizing minimal power and bandwidth allows a large number of assets to be tracked in a practical manner. The mobile LAN is established between a plurality of tracking units in close proximity. Assets are approximately located according to their c...

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Bibliographische Detailangaben
Hauptverfasser:	TOMLINSON, HAROLD WOODRUFF, JR, CHENNAKESHU, SANDEEP, TIEMANN, JEROME JOHNSON, WELLES II, KENNETH BRAKELEY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ENSURING THE SAFETY OF RAILWAY TRAFFIC GENERATING RANDOM NUMBERS GUIDING RAILWAY TRAFFIC GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION ORDER TELEGRAPHS PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION RAILWAYS REGISTERING OR INDICATING THE WORKING OF MACHINES SIGNALLING SIGNALLING OR CALLING SYSTEMS SURVEYING TESTING TIME OR ATTENDANCE REGISTERS TRAFFIC CONTROL SYSTEMS TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSPORTING VOTING OR LOTTERY APPARATUS
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