Integrated-services radio transmission system
US4748681A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1986 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Apr 28, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a two-way radio transmission system, a fixed base station transmits and receives over at least one communication channel a plurality of messages for different types of receivers (TGAx) used in different services (DY). The base station transmits an organization data flow identifying the message type (TGAx) and services (DY). A plurality of different subscriber transmitter receiver sets receive each message type (TGAx) and transmits messages to the base station. The receiver sets decode the organizational data flow, and process only those messages and services which are associated with a given message and service type. In this way, different classes of communication services may be offered, using a common base station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.