Symbol-level fragmentation and pre-emption in industrial wireless communications
US11985541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Jan 29, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0007
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A packet transmitter in a wireless communication system can perform a method for preparing transmission of physical layer protocol data units (PDUs). The method includes detecting a need to transmit a second stream of symbols having higher priority than a first stream of symbols currently being transmitted from the packet transmitter to a packet receiver. The first and second streams of symbols are each part of a respective physical layer PDU. A dedicated tag is inserted after a recent-most transmitted symbol of the first stream of symbols. The dedicated tag indicates that the first stream of symbols is subjected to pre-emption at the physical layer. Symbols of the second stream of symbols are inserted following the dedicated tag for transmission of the second stream of symbols to the packet receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.