Study of the Estimation Techniques for the Carrier Frequency Offset (CFO) in OFDM Systems

Provided by: International Journal of Computer Science and Network Security
Topic: Mobility
Format: PDF
Orthogonal Frequency Division Multiplexing (OFDM) has been selected for broadband wireless communication system. OFDM can provide large data rates with sufficient robustness to radio channel impairments. One of the major drawbacks for OFDM system is Carrier Frequency Offset (CFO). Frequency offset has been recognized as a major disadvantage of OFDM. The OFDM systems are sensitive to the frequency synchronization errors in form of Carrier Frequency Offset (CFO), because it can cause the Inter Carrier Interference (ICI) which can lead to the frequency mismatched in transmitter and receiver oscillator.

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