Method and apparatus for calibration of an implicit beamforming wireless system
US8797948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2010 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Oct 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W16/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A first embodiment is a method of calibrating an implicit beamforming wireless system wherein the implicit wireless system comprises a beamformer and a beamformee. The method comprises associating the beamformer with the beamformee, sending a sounding packet from the beamformer to the beamformee, receiving a sounding response at the beamformer wherein the sounding response contains explicit channel state information as estimated by beamformee, computing implicit channel state information at the beamformer based on transmissions from the beamformee, passing explicit and implicit channel state information into the beamformer, computing a set of compensation parameters and loading the set of compensation parameters into the beamformer thereby enabling the beamformer to implicitly beamform to a device that does not support explicit beamforming.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.