Method and system for controlling device transmit power in a wireless communication network
US6977915B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2001 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Sep 7, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and system for closed loop power control in a wireless communication network. A received signal is despread. The signal power of the despread received signal is estimated. The noise power of the despread received signal is estimated. Estimating the noise power includes multiplying the despread received signal with an orthogonal noise code to cancel the received signal, accumulating the multiplied despread received signal over one frame and determining a signal-to-noise ratio of the received signal at least in part by dividing the estimated signal power by the estimated noise power. A reverse power control bit is determined based on the determined signal-to-noise ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.