US Patent No. 10,602,530

ACCESS METHOD WITH ACCESS SLOTS AND PRIORITY RESOLUTION


Patent No. 10,602,530
Issue Date March 24, 2020
Title Access Method With Access Slots And Priority Resolution
Inventorship Helmut Kellermann, Oberschleissheim (DE)
Hyung-Taek Lim, Munich (DE)
Thomas Gehrsitz, Munich (DE)
Assignee Bayerische Motoren Werke Aktiengesellschaft, Munich (DE)

Claim of US Patent No. 10,602,530

1. A time-division multiplex method for serial data transmission using data frames in a communications network having a plurality of stations wherein, during communication of the plurality of stations, the method comprises the acts of:executing a first priority resolution for messages to be transmitted by the plurality of stations on a communications channel and which are assigned to a first prefix;
transmitting a first data frame by a first station of the plurality of stations, wherein the first station is configured to transmit a first message with the first prefix and with the highest priority, during a predefined first access slot;
executing a second priority resolution for messages to be transmitted by the plurality of stations on the communications channel and which are assigned to a second prefix; and
transmitting of a second data frame by a second station of the plurality of stations, wherein the second station is configured to transmit a second message with the second prefix and with the highest priority of the second priority resolution, during a predefined second access slot,
wherein a time of a start of the first priority resolution and a time of a start of the second priority resolution are predetermined, and
wherein messages to be transmitted by the plurality of stations each have a priority resolution space and a data frame, wherein the data frame is arranged after the priority resolution space.