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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| creator | TOMLINSON, HAROLD WOODRUFF, JR CHENNAKESHU, SANDEEP TIEMANN, JEROME JOHNSON WELLES II, KENNETH BRAKELEY |
| description | 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 connection in the mobile LAN where the exact location of at least one of the network nodes is known. Each tracked asset has capability to independently determine and report its position to a central station, and each asset also has capability to communicate locally with other cooperative assets via the LAN. The LAN is dynamically reconfigurable so that as other cooperative assets come into proximity, they can join the network, and as others move away, they can leave the network. Within the network, a protocol is followed which assigns one of the assets to be the "master" and all others to be "slaves". The master asset takes responsibility for determining its own exact geographical position via LORAN, OMEGA, Global Positioning System (GPS) or other navigational aid. When connected in a LAN, slave assets report their ID to the master asset and do not determine their own locations in order to conserve power. The master reports its location and ID, as well as the IDs of the other assets in the LAN, to the central station. Uncertainty in the location of a slave asset is limited by the known possible geographical extent of the LAN which is known a priori. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP0748085B1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP0748085B1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP0748085B13</originalsourceid><addsrcrecordid>eNqNjTEKwkAQRdNYiHqHuYAQUTG1ErGwsLAP4-7EDNmdWXY3hNzeIB7A6sF_H96y6O9q0IFR7wdhg5lVQCiPGntoNULQkSJEsoP5OhQLJB2KITvPjvHFjvMEPDvwg8scHIGoJcgRTc_yhjSlTH5dLFp0iTY_rgq41s_LbUtBG0oBDc3lpn6Up0NVVsfzbv_H5QOzg0Gt</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Local communication network for power reduction and enhanced reliability in a multiple node tracking system</title><source>esp@cenet</source><creator>TOMLINSON, HAROLD WOODRUFF, JR ; CHENNAKESHU, SANDEEP ; TIEMANN, JEROME JOHNSON ; WELLES II, KENNETH BRAKELEY</creator><creatorcontrib>TOMLINSON, HAROLD WOODRUFF, JR ; CHENNAKESHU, SANDEEP ; TIEMANN, JEROME JOHNSON ; WELLES II, KENNETH BRAKELEY</creatorcontrib><description>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 connection in the mobile LAN where the exact location of at least one of the network nodes is known. Each tracked asset has capability to independently determine and report its position to a central station, and each asset also has capability to communicate locally with other cooperative assets via the LAN. The LAN is dynamically reconfigurable so that as other cooperative assets come into proximity, they can join the network, and as others move away, they can leave the network. Within the network, a protocol is followed which assigns one of the assets to be the "master" and all others to be "slaves". The master asset takes responsibility for determining its own exact geographical position via LORAN, OMEGA, Global Positioning System (GPS) or other navigational aid. When connected in a LAN, slave assets report their ID to the master asset and do not determine their own locations in order to conserve power. The master reports its location and ID, as well as the IDs of the other assets in the LAN, to the central station. Uncertainty in the location of a slave asset is limited by the known possible geographical extent of the LAN which is known a priori.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>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</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040211&DB=EPODOC&CC=EP&NR=0748085B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040211&DB=EPODOC&CC=EP&NR=0748085B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOMLINSON, HAROLD WOODRUFF, JR</creatorcontrib><creatorcontrib>CHENNAKESHU, SANDEEP</creatorcontrib><creatorcontrib>TIEMANN, JEROME JOHNSON</creatorcontrib><creatorcontrib>WELLES II, KENNETH BRAKELEY</creatorcontrib><title>Local communication network for power reduction and enhanced reliability in a multiple node tracking system</title><description>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 connection in the mobile LAN where the exact location of at least one of the network nodes is known. Each tracked asset has capability to independently determine and report its position to a central station, and each asset also has capability to communicate locally with other cooperative assets via the LAN. The LAN is dynamically reconfigurable so that as other cooperative assets come into proximity, they can join the network, and as others move away, they can leave the network. Within the network, a protocol is followed which assigns one of the assets to be the "master" and all others to be "slaves". The master asset takes responsibility for determining its own exact geographical position via LORAN, OMEGA, Global Positioning System (GPS) or other navigational aid. When connected in a LAN, slave assets report their ID to the master asset and do not determine their own locations in order to conserve power. The master reports its location and ID, as well as the IDs of the other assets in the LAN, to the central station. Uncertainty in the location of a slave asset is limited by the known possible geographical extent of the LAN which is known a priori.</description><subject>ALARM SYSTEMS</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE</subject><subject>CHECKING-DEVICES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>ENSURING THE SAFETY OF RAILWAY TRAFFIC</subject><subject>GENERATING RANDOM NUMBERS</subject><subject>GUIDING RAILWAY TRAFFIC</subject><subject>GYROSCOPIC INSTRUMENTS</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>NAVIGATION</subject><subject>ORDER TELEGRAPHS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>RAILWAYS</subject><subject>REGISTERING OR INDICATING THE WORKING OF MACHINES</subject><subject>SIGNALLING</subject><subject>SIGNALLING OR CALLING SYSTEMS</subject><subject>SURVEYING</subject><subject>TESTING</subject><subject>TIME OR ATTENDANCE REGISTERS</subject><subject>TRAFFIC CONTROL SYSTEMS</subject><subject>TRANSMISSION</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><subject>TRANSPORTING</subject><subject>VOTING OR LOTTERY APPARATUS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjTEKwkAQRdNYiHqHuYAQUTG1ErGwsLAP4-7EDNmdWXY3hNzeIB7A6sF_H96y6O9q0IFR7wdhg5lVQCiPGntoNULQkSJEsoP5OhQLJB2KITvPjvHFjvMEPDvwg8scHIGoJcgRTc_yhjSlTH5dLFp0iTY_rgq41s_LbUtBG0oBDc3lpn6Up0NVVsfzbv_H5QOzg0Gt</recordid><startdate>20040211</startdate><enddate>20040211</enddate><creator>TOMLINSON, HAROLD WOODRUFF, JR</creator><creator>CHENNAKESHU, SANDEEP</creator><creator>TIEMANN, JEROME JOHNSON</creator><creator>WELLES II, KENNETH BRAKELEY</creator><scope>EVB</scope></search><sort><creationdate>20040211</creationdate><title>Local communication network for power reduction and enhanced reliability in a multiple node tracking system</title><author>TOMLINSON, HAROLD WOODRUFF, JR ; CHENNAKESHU, SANDEEP ; TIEMANN, JEROME JOHNSON ; WELLES II, KENNETH BRAKELEY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0748085B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2004</creationdate><topic>ALARM SYSTEMS</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE</topic><topic>CHECKING-DEVICES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>ENSURING THE SAFETY OF RAILWAY TRAFFIC</topic><topic>GENERATING RANDOM NUMBERS</topic><topic>GUIDING RAILWAY TRAFFIC</topic><topic>GYROSCOPIC INSTRUMENTS</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MEASURING DISTANCES, LEVELS OR BEARINGS</topic><topic>NAVIGATION</topic><topic>ORDER TELEGRAPHS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>RAILWAYS</topic><topic>REGISTERING OR INDICATING THE WORKING OF MACHINES</topic><topic>SIGNALLING</topic><topic>SIGNALLING OR CALLING SYSTEMS</topic><topic>SURVEYING</topic><topic>TESTING</topic><topic>TIME OR ATTENDANCE REGISTERS</topic><topic>TRAFFIC CONTROL SYSTEMS</topic><topic>TRANSMISSION</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><topic>TRANSPORTING</topic><topic>VOTING OR LOTTERY APPARATUS</topic><toplevel>online_resources</toplevel><creatorcontrib>TOMLINSON, HAROLD WOODRUFF, JR</creatorcontrib><creatorcontrib>CHENNAKESHU, SANDEEP</creatorcontrib><creatorcontrib>TIEMANN, JEROME JOHNSON</creatorcontrib><creatorcontrib>WELLES II, KENNETH BRAKELEY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TOMLINSON, HAROLD WOODRUFF, JR</au><au>CHENNAKESHU, SANDEEP</au><au>TIEMANN, JEROME JOHNSON</au><au>WELLES II, KENNETH BRAKELEY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Local communication network for power reduction and enhanced reliability in a multiple node tracking system</title><date>2004-02-11</date><risdate>2004</risdate><abstract>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 connection in the mobile LAN where the exact location of at least one of the network nodes is known. Each tracked asset has capability to independently determine and report its position to a central station, and each asset also has capability to communicate locally with other cooperative assets via the LAN. The LAN is dynamically reconfigurable so that as other cooperative assets come into proximity, they can join the network, and as others move away, they can leave the network. Within the network, a protocol is followed which assigns one of the assets to be the "master" and all others to be "slaves". The master asset takes responsibility for determining its own exact geographical position via LORAN, OMEGA, Global Positioning System (GPS) or other navigational aid. When connected in a LAN, slave assets report their ID to the master asset and do not determine their own locations in order to conserve power. The master reports its location and ID, as well as the IDs of the other assets in the LAN, to the central station. Uncertainty in the location of a slave asset is limited by the known possible geographical extent of the LAN which is known a priori.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | 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 |
| title | Local communication network for power reduction and enhanced reliability in a multiple node tracking system |
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