Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels
US5657358A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1993 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Apr 22, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A toll quality terrestrial wireless digital multiple access terrestrial communication system is disclosed having a base station in communication with telephone lines and with mobile subscriber stations. The system comprises a switching matrix at the base station and set-up means at the subscriber stations. Means are provided for a periodic exchange of information during the course of communication operation concerning the present status for the connection between the base station and a subscriber station, the link quality, power, and timing adjustment thereof and providing adjustment to the subscriber station based thereupon. Base station and subscriber station apparatus are also disclosed including means for periodically exchanging information during the course of communication operation concerning the present status for the connection between the base station and a subscriber station, the link quality, power, and timing adjustment thereof and providing adjustment to the subscriber station based thereupon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.