US Patent No. 10,972,997
HYBRID TIME DIVISION MULTIPLE ACCESS (TDMA) AND CARRIER SENSE MULTIPLE ACCESS (CSMA) FOR INTERFERENCE AVOIDANCE METHOD THEREFOR
| Patent No. | 10,972,997 |
|---|---|
| Issue Date | April 06, 2021 |
| Title | Hybrid Time Division Multiple Access (tdma) And Carrier Sense Multiple Access (csma) For Interference Avoidance Method Therefor |
| Inventorship | Jim Luecke, Scottsdale, AZ (US) |
| Assignee | BENCHMARK ELECTRONICS, INC., Tempe, AZ (US) |
Claim of US Patent No. 10,972,997
1. A method for interference avoidance when transmitting a message in a wireless system comprising:dividing a frame into a plurality of time slots, wherein a first plurality of time slots allocated as Time Division Multiple Access (TDMA) time slots and a second plurality of time slots allocated as contention slots;
transmitting the message in a designated TDMA time slot by a corresponding wireless node assigned to the designated TDMA time slot if the designated TDMA time slot is idle;
relabeling a contention slot as the designated TDMA time slot for the corresponding wireless node when the designated TDMA time slot for the corresponding wireless node remains busy;
relabeling the designated TDMA time slot as the contention slot; and
transmitting the message in the contention slot relabeled as the designated TDMA time slot for the corresponding wireless node.
transmitting the message in a designated TDMA time slot by a corresponding wireless node assigned to the designated TDMA time slot if the designated TDMA time slot is idle;
relabeling a contention slot as the designated TDMA time slot for the corresponding wireless node when the designated TDMA time slot for the corresponding wireless node remains busy;
relabeling the designated TDMA time slot as the contention slot; and
transmitting the message in the contention slot relabeled as the designated TDMA time slot for the corresponding wireless node.