Channel state information feedback apparatus and method in wireless communication system operating in FDD mode
US9408086B2 · kind B2 · utility
1Cited by
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12Claims
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Key dates
| Filing date | Dec 27, 2012 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Apr 18, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/542
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A Channel State Information (CSI) feedback method and apparatus is provided for transmitting, at a base station, the CSIs for plural transmit antennas with a limited amount resource and receiving, at a mobile station, the CSIs efficiently in a massive Multiple Input Multiple Output (MIMO) system operating in the Frequency Division Duplex (FDD) mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.