Expandable text messaging service protocol for use with a two-way radio transceiver
US8023973B2 · kind B2 · utility
4Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2007 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Apr 11, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An expandable text messaging service protocol for use with a two-way radio transceiver includes an extension bit field for creating an expandable header for controlling the overall size of data packets used for communicating message traffic. The protocol further includes a control bit field for designing the message as a control message or user message and a protocol data unit (PDU) type field for identifying the message type. A payload field may further be used for carrying message content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.