Wireless data communications network system for tracking containers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04Q-007/24
H04L-012/66
출원번호
US-0473264
(2009-05-27)
등록번호
US-8218514
(2012-07-10)
발명자
/ 주소
Twitchell, Jr., Robert W.
출원인 / 주소
Google, Inc.
대리인 / 주소
Tillman Wright, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
148
초록▼
A wireless data communications network system for establishing communication between a server and a plurality of containers that are loaded onto a cargo vessel. The system includes a data communications device configured to establish and manage a pre-configured wireless data communications network a
A wireless data communications network system for establishing communication between a server and a plurality of containers that are loaded onto a cargo vessel. The system includes a data communications device configured to establish and manage a pre-configured wireless data communications network and to communicate with the server through a local area network, and a plurality of electronic tracking devices each having a wireless transceiver and routing capabilities and configured to be joined to a container and to connect to the wireless data communications network upon being activated. The data communications device is configured to intermittently perform a network scan to locate each tracking device connected to the network and reconfigure the network topology to include each connected tracking devices such that the data communications device maintains mutual communication with each connected tracking device using the routing capabilities of the tracking devices.
대표청구항▼
1. A low-rate wireless personal area network (WPAN) system for establishing communication between a control station and a plurality of containers that are loaded onto a cargo vessel, the WPAN system comprising: a base station configured to establish and manage a pre-configured WPAN having a hybrid t
1. A low-rate wireless personal area network (WPAN) system for establishing communication between a control station and a plurality of containers that are loaded onto a cargo vessel, the WPAN system comprising: a base station configured to establish and manage a pre-configured WPAN having a hybrid tree-mesh network topology, the base station being configured to communicate with the control station through a local area network; anda plurality of electronic tracking devices each being provided with a WPAN-enabled radio receiver/transmitter and routing capabilities, each tracking device being configured to be joined to a respective container of the plurality of containers and to connect to the WPAN upon being activated, wherein the base station is configured to intermittently perform a network scan to locate each tracking device that is connected to the WPAN and dynamically reconfigure the network topology to include each tracking device that is connected to the WPAN such that the base station maintains mutual communication with each tracking device that is connected to the WPAN using the routing capabilities of the tracking devices. 2. The WPAN system of claim 1, wherein each tracking device is configured to collect GPS-recorded position data, environmental parameter data, and sensory reading data, and to communicate the collected data to the base station when connected to the WPAN. 3. The WPAN system of claim 1, wherein each container of the plurality of containers is a shipping container equipped to facilitate wireless communications between one or more electronic tracking devices of the plurality of electronic tracking devices within the shipping container and the WPAN, which is external to the shipping container, and each shipping container comprises: a wall structure for receiving and containing items to be shipped; anda communication device, adapted for wireless communications with the WPAN, that includes a first housing component and a second housing component, the first housing component being disposed substantially exterior to the wall structure of the shipping container, and the second housing component being disposed substantially interior to the wall structure of the shipping container, the first and second housing components being secured together and forming an integrated housing structure of the communication device, the integrated housing structure extending through an opening in the wall structure of the shipping container;wherein, the first housing component defines a first hollow interior, the second housing component defines a second hollow interior, and the first hollow interior is contiguous with the second hollow interior, the communication device includes,a first antenna that is disposed within the first hollow interior and is located exterior to the shipping container, andfirst electronic circuitry that is connected to the first antenna, is disposed within the second hollow interior, and is located interior to the shipping container, the first electronic circuitry adapted to control signal reception and transmission via the first antenna for communications both with the electronic tracking devices within the shipping container, and with the WPAN, andthe opening in the wall structure of the shipping container through which the integrated housing structure extends includes a diameter of between one-quarter and one full wavelength, inclusive, of the electromagnetic waves used to wirelessly communicate via the first antenna with the electronic tracking devices within the shipping container in accordance with the first electronic circuitry. 4. A wireless data communications network system for establishing communication between a server and a plurality of containers that are loaded onto a cargo vessel, the wireless data communications network system comprising: a data communications device configured to establish and manage a pre-configured wireless data communications network having a hierarchical network topology where at least two nodes of the network have two or more paths therebetween, the data communications device being configured to communicate with the server through a local area network; anda plurality of electronic tracking devices each being provided with a wireless transceiver and routing capabilities, each tracking device being configured to be joined to a respective container of the plurality of containers and to connect to the wireless data communications network upon being activated, wherein the data communications device is configured to intermittently perform a network scan to locate each tracking device that is connected to the wireless data communications network and dynamically reconfigure the network topology to include each tracking device that is connected to the wireless data communications network such that the data communications device maintains mutual communication with each tracking device that is connected to the wireless data communications network using the routing capabilities of the tracking devices. 5. The system of claim 4, wherein each tracking device is configured to collect GPS position data, environmental data, and sensor data, and to communicate the collected data to the data communications device when connected to the wireless data communications network. 6. The system of claim 4, wherein each container of the plurality of containers is a shipping container equipped to facilitate wireless communications between one or more electronic tracking devices of the plurality of electronic tracking devices within the shipping container and the data communications network, which is external to the shipping container, and each shipping container comprises: a wall structure for receiving and containing items to be shipped; anda communication device, adapted for wireless communications with the data communications network, that includes a first housing component and a second housing component, the first housing component being disposed substantially exterior to the wall structure of the shipping container, and the second housing component being disposed substantially interior to the wall structure of the shipping container, the first and second housing components being secured together and forming an integrated housing structure of the communication device, the integrated housing structure extending through an opening in the wall structure of the shipping container;wherein, the first housing component defines a first hollow interior, the second housing component defines a second hollow interior, and the first hollow interior is contiguous with the second hollow interior,the communication device includes, a first antenna that is disposed within the first hollow interior and is located exterior to the shipping container, andfirst electronic circuitry that is connected to the first antenna, is disposed within the second hollow interior, and is located interior to the shipping container, the first electronic circuitry adapted to control signal reception and transmission via the first antenna for communications both with the electronic tracking devices within the shipping container, and with the data communications network, andthe opening in the wall structure of the shipping container through which the integrated housing structure extends includes a diameter of between one-quarter and one full wavelength, inclusive, of the electromagnetic waves used to wirelessly communicate via the first antenna with the electronic tracking devices within the shipping container in accordance with the first electronic circuitry. 7. A wireless data communications network system for establishing communication between a server of a cargo vessel and a plurality of containers that are loaded onto a cargo vessel, the wireless data communications network system comprising: a gateway configured to establish and manage a pre-configured wireless data communications network having a hierarchical network topology where at least two nodes of the network have two or more paths therebetween, the gateway being configured to communicate with the server; anda plurality of electronic tracking devices each being provided with a wireless transceiver and routing capabilities, each tracking device being configured to be joined to a respective container of the plurality of containers and to connect to the wireless data communications network upon being activated, wherein the gateway is configured to intermittently perform a network scan to locate each tracking device that is connected to the wireless data communications network and dynamically reconfigure the network topology to include each tracking device that is connected to the wireless data communications network such that the gateway maintains mutual communication with each tracking device that is connected to the wireless data communications network using the routing capabilities of the tracking devices. 8. The system of claim 7, wherein each container of the plurality of containers is a shipping container equipped to facilitate wireless communications between one or more electronic tracking devices of the plurality of electronic tracking devices within the shipping container and the data communications network, which is external to the shipping container, and each shipping container comprises: a wall structure for receiving and containing items to be shipped; anda communication device, adapted for wireless communications with the data communications network, that includes a first housing component and a second housing component, the first housing component being disposed substantially exterior to the wall structure of the shipping container, and the second housing component being disposed substantially interior to the wall structure of the shipping container, the first and second housing components being secured together and forming an integrated housing structure of the communication device, the integrated housing structure extending through an opening in the wall structure of the shipping container;wherein, the first housing component defines a first hollow interior, the second housing component defines a second hollow interior, and the first hollow interior is contiguous with the second hollow interior,the communication device includes, a first antenna that is disposed within the first hollow interior and is located exterior to the shipping container, andfirst electronic circuitry that is connected to the first antenna, is disposed within the second hollow interior, and is located interior to the shipping container, the first electronic circuitry adapted to control signal reception and transmission via the first antenna for communications both with the electronic tracking devices within the shipping container, and with the data communications network, andthe opening in the wall structure of the shipping container through which the integrated housing structure extends includes a diameter of between one-quarter and one full wavelength, inclusive, of the electromagnetic waves used to wirelessly communicate via the first antenna with the electronic tracking devices within the shipping container in accordance with the first electronic circuitry. 9. The system of claim 7, wherein each tracking device is configured to collect GPS position data, environmental data, and sensor data, and to communicate the collected data to the gateway when connected to the wireless data communications network. 10. A wireless data communications network system for establishing communication between a server and a plurality of containers that are loaded onto a cargo vessel, the wireless data communications network system comprising: a gateway configured to establish and manage a pre-configured wireless data communications network having a hierarchical network topology where at least two nodes of the network have two or more paths therebetween, the gateway being configured to communicate with the server through a local area network; anda plurality of electronic tracking devices each being provided with a wireless transceiver and routing capabilities, each tracking device being configured to be joined to a respective container of the plurality of containers and to connect to the wireless data communications network upon being activated;wherein the gateway is configured to intermittently perform a network scan to locate each tracking device that is connected to the wireless data communications network and dynamically reconfigure the network topology to include each tracking device that is connected to the wireless data communications network such that the gateway maintains mutual communication with each tracking device that is connected to the wireless data communications network using the routing capabilities of the tracking devices;wherein each container of the plurality of containers is a shipping container equipped to facilitate wireless communications between one or more electronic tracking devices of the plurality of electronic tracking devices within the shipping container and the data communications network, which is external to the shipping container, and each shipping container comprises: a wall structure for receiving and containing items to be shipped; anda communication device, adapted for wireless communications with the data communications network, that includes a first housing component and a second housing component, the first housing component being disposed substantially exterior to the wall structure of the shipping container, and the second housing component being disposed substantially interior to the wall structure of the shipping container, the first and second housing components being secured together and forming an integrated housing structure of the communication device, the integrated housing structure extending through an opening in the wall structure of the shipping container;wherein, the first housing component defines a first hollow interior, the second housing component defines a second hollow interior, and the first hollow interior is contiguous with the second hollow interior,the communication device includes, a first antenna that is disposed within the first hollow interior and is located exterior to the shipping container, andfirst electronic circuitry that is connected to the first antenna, is disposed within the second hollow interior, and is located interior to the shipping container, the first electronic circuitry adapted to control signal reception and transmission via the first antenna for communications both with the electronic tracking devices within the shipping container, and with the data communications network, andthe opening in the wall structure of the shipping container through which the integrated housing structure extends includes a diameter of between one-quarter and one full wavelength, inclusive, of the electromagnetic waves used to wirelessly communicate via the first antenna with the electronic tracking devices within the shipping container in accordance with the first electronic circuitry. 11. A wireless network system for establishing communication between a control station of a cargo vessel and a plurality of containers that are loaded onto the vessel, the wireless network system comprising: a base station configured to establish and manage a pre-configured wireless network having a hybrid tree-mesh network topology, the base station being configured to communicate with the control station through a local area network on the vessel; anda plurality of electronic tracking devices each being provided with a wireless network enabled radio receiver/transmitter and routing capabilities, each tracking device being configured to be joined to a respective container of the plurality of containers and to connect to the wireless network upon being activated,wherein the base station is configured to intermittently perform a network scan to locate each tracking device that is connected to the wireless network and dynamically reconfigure the network topology to include each tracking device that is connected to the wireless network such that the base station maintains communication with each tracking device that is connected to the wireless network using the routing capabilities of the tracking devices.
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