Techniques utilizing step size adaptation for differential beamforming in wireless networks
US8874046B2 · kind B2 · utility
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15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2009 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Aug 22, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0617
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An embodiment of the present invention provides a method used in transmit beam forming, comprising, providing differential feedback by using variable differential codebooks across a plurality of feedbacks wherein the differential codebooks may have different shapes, and/or spans, and/or the numbers of codewords across feedbacks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.