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Smart personal area network management

專利號(hào)
US11800499B1
公開(kāi)日期
2023-10-24
申請(qǐng)人
Amazon Technologies, Inc.(US WA Seattle)
發(fā)明人
Sunil Felix Assao; Chiu Ngok Eric Wong
IPC分類
H04W48/16; H04W72/0446
技術(shù)領(lǐng)域
or,pan,schedule,210b,210a,beacon,gateway,timeslots,nodes,devices
地域: WA WA Seattle

摘要

Two or more personal area networks (or PANs) operating channel hopping schedules may be operated within a vicinity of one another with channel hopping schedules according to IEEE 802.15.4 that are separated by a frequency offset, and collisions between data transmitted by the respective devices of the networks may be avoided. Nodes of a first PAN transmit beacons identifying information regarding a first communications schedule. A node of a second PAN receives the beacon and establishes a second channel hopping schedule at the offset from the first communications schedule. Nodes of PANs may be programmed with communication modes that vary uplink or downlink slots based on quality-of-service or traffic requirements.

說(shuō)明書

The devices 110A-3 are interactive displays, e.g., electronic shelf labels, that may be mounted in association with one or more shelves or other loading stations, e.g., the shelf 172 or the shelving unit 170, and configured to display information regarding one or more products that are placed thereon, or designated for placement thereon. The devices 110A-3 may include one or more displays or other types or forms of systems for electronically displaying information, including but not limited to an electronic ink display, a liquid crystal display (or “LCD”), a light-emitting diode (or “LED”) display, or an organic light-emitting diode (or “OLED”) display. The devices 110A-3 may be further configured to communicate over one or more networks, e.g., by wired or wireless technologies or protocols.

The device 120A is a gateway (or access point) that enables communication between one or more of the devices 110A-1, 110A-2, 110A-3 and one or more external networks (not shown), which may include the Internet in whole or in part. For example, the device 120A may be a wireless router, a “hot spot,” an antenna system, or any other device or component that is configured to enable communication with one or more of such networks, e.g., by wired or wireless technologies or protocols.

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