Real-time transceiver gain and path loss calibration for wireless systems
US6272322A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2000 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Feb 4, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A calibration method and apparatus are described. In one embodiment, the method includes a pair of transceivers performing a loop back test to determine a relationship between transmit and receive gain for each transceiver. A path loss between the first transceiver and a second transceiver is computed. The computation is made by transmitting a pair of signals in opposite directions between the first and second transceivers to determine a relationship between transmit path gain of the first transceiver and receive path gain of the second transceiver and a relationship between the transmit path gain of the second transceiver and receive path of the first transceiver. The transmit and receive path gains are generated for the first transceivers based on the path loss and the relationship.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.