Invention Grant
- Patent Title: Transmission of payload between a mobile device and a plurality of anchor devices via ranging-capable physical layer communication
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Application No.: US17018313Application Date: 2020-09-11
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Publication No.: US11503591B2Publication Date: 2022-11-15
- Inventor: Hugues Jean Marie de Perthuis , Frank Leong
- Applicant: NXP B.V.
- Applicant Address: NL Eindhoven
- Assignee: NXP B.V.
- Current Assignee: NXP B.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP19290102 20191011
- Main IPC: H04W72/04
- IPC: H04W72/04 ; H04W56/00

Abstract:
A method is described for transmitting a payload between a mobile device and a plurality of anchor devices via a ranging-capable physical layer, in particular an ultra-wide band (UWB), communication. The method comprises: i) transmitting, by the mobile device, a first message to a first anchor device and to a second anchor device, wherein the first message comprises a synchronization protocol, ii) establishing, upon receiving the first message, a first time slot for the first anchor device and a second time slot for the second anchor device based on the synchronization protocol, iii) transmitting, by the mobile device, a second message to the first anchor device and/or to the second anchor device, wherein the second message comprises a mobile device payload, iv) transmitting, upon receiving the second message by the first anchor device, a third message to the mobile device during the first time slot by the first anchor device, wherein the third message comprises a target device payload, and/or v) transmitting, upon receiving the second message by the second anchor device, the third message to the mobile device during the second time slot by the second anchor device.
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