Research Article

Advanced Receiver Design for Mitigating Multiple RF Impairments in OFDM Systems: Algorithms and RF Measurements

Table 1

Computational complexities per OFDM symbol for different compensation stages.

Algorithms Complex multiplications

Rx. I/Q imbalance compensation 𝑁 𝑤 × ( 𝑁 + 𝐿 C P )
CFO compensation 𝑁 + 𝐿 C P
Channel equalization 𝑁 𝑎
Tx. I/Q imbalance compensation 𝑁 𝑎