Wireless LAN White Papers
Inter-Carrier Interference Cancellation for OFDM Systems
Overview Orthogonal Frequency Division Multiplexing (OFDM) is an emerging multi-carrier modulation scheme, which has been adopted for several wireless standards such as IEEE 802.11a and HiperLAN2. A well-known problem of OFDM is its sensitivity to frequency offset between the transmitted and received carrier frequencies. This frequency offset introduces inter-carrier interference (ICI) in the OFDM symbol. This paper investigates three methods for combating the effects of ICI - ICI self-cancellation (SC), maximum likelihood (ML) estimation, and extended Kalman filter (EKF) method.
| Publisher | University of Texas at Austin | File Format | |
|---|---|---|---|
| Date Published | May 2003 | Downloads | 28 |
| Format | White Papers | ||
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