Channel estimation and ICI cancellation for OFDM
US7995688B2 · kind B2 · utility
15Cited by
9References
41Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 7, 2008 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jan 9, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/0349
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An iterative channel estimation and inter-carrier interference (ICI) cancellation process is provided for OFDM receivers, and more particularly for mobile OFDM receivers. The iterative process uses decision feedback to estimate both the channel gain and the ICI gains, the latter being the multiplicative gain applied to the adjacent sub-carriers. Thus the receiver performs equalization and ICI cancellation in an iterative fashion and is advantageous for estimating fast fading channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.