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公开(公告)号：US10595216B2
公开(公告)日：2020-03-17
申请号：US15886754
申请日：2018-02-01
摘要： The stability of a channel in a wireless network is evaluated at a node. Upon transmitting a packet from the node on a network channel, a first counter associated with the channel is incremented. Upon receiving an acknowledgment packet responsive to the transmitted packet, a second counter associated with the channel is incremented. A stability metric for the channel is computed based on values stored in the first and second counters. Additionally, interference on a channel of the network is measured at a node. Upon determining that no packet is received during a predetermined time-period on the channel, a received signal strength (RSS) is measured on the channel at an end of the predetermined time-period. Alternatively, upon determining that a packet is received during the predetermined time-period on the channel, the RSS is measured on the channel following completion of the transmission of the packet on the channel.
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公开(公告)号：US10914789B2
公开(公告)日：2021-02-09
申请号：US16312125
申请日：2017-06-28
发明人： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Alexander Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC分类号： G01R31/00 , G01R31/396 , H01M10/42 , H01M10/48 , G01R31/3842 , G01R31/371
摘要： A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US20190242949A1
公开(公告)日：2019-08-08
申请号：US16312125
申请日：2017-06-28
发明人： Mark Alan Lemkin , Alain Pierre Levesque , Brett Warneke , David McLean Dwelley , Erik Soule , Lance Robert Doherty , Gordon Charles , Thor Nelson Juneau , Jonathan Noah Simon , Robert Dobkin
IPC分类号： G01R31/396 , G01R31/3842 , H01M10/42 , H01M10/48
CPC分类号： G01R31/396 , G01R31/371 , G01R31/3842 , H01M10/42 , H01M10/425 , H01M10/48 , H01M10/482 , H01M2010/4271 , H01M2010/4278
摘要： A battery system monitor includes cell measurement circuits (CMCs) that each measure a voltage at or current through a pair of terminals of a respective associated battery module from among a plurality of plurality of battery modules in a battery system. Wireless communication transceivers (WCTs), each associated with a different CMC, transmit voltage or current measurement information of the associated CMC across a wireless communication link. A controller receives the voltage or current measurement information from the wireless communication transceivers for monitoring the state of operation of the battery system. Battery system monitoring is improved through synchronization of clocks in different CMCs or WCTs to enable synchronous sampling of multiple battery modules, through systems for determining relative positions of battery modules in a series coupling of battery modules between terminals of the battery system, and through improvements to the reliability of wireless communication.
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公开(公告)号：US10536861B2
公开(公告)日：2020-01-14
申请号：US13866751
申请日：2013-04-19
摘要： The stability of a channel in a wireless network is evaluated at a node. Upon transmitting a packet from the node on a network channel, a first counter associated with the channel is incremented. Upon receiving an acknowledgment packet responsive to the transmitted packet, a second counter associated with the channel is incremented. A stability metric for the channel is computed based on values stored in the first and second counters. Additionally, interference on a channel of the network is measured at a node. Upon determining that no packet is received during a predetermined time-period on the channel, a received signal strength (RSS) is measured on the channel at an end of the predetermined time-period. Alternatively, upon determining that a packet is received during the predetermined time-period on the channel, the RSS is measured on the channel following completion of the transmission of the packet on the channel.
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公开(公告)号：US10033596B2
公开(公告)日：2018-07-24
申请号：US14682054
申请日：2015-04-08
IPC分类号： H04W12/06 , H04W12/12 , H04W12/08 , H04W84/18 , G06F21/10 , H04L12/24 , H04L29/06 , G06Q30/00
摘要： A wireless mesh network is provided with equipment and methods for monitoring and enforcement of license terms. The network includes a plurality of wireless network nodes, a wireless access point, and a network manager in communication with the access point and with the network nodes via the access point. At least one of the network nodes and the access point includes license information embedded in the device hardware, and the network manager provides services to the wireless network subject to license terms determined based on the license information embedded within the network node or access point. Additionally, the network manager is in communication with a user application external to the network, and relays communication between the user application and the wireless network. The network manager modulates communications relayed between the user application and the wireless network subject to the license information embedded within the network node or access point.
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