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Table 1 Wired/wireless technologies which use OFDM

From: Low power reconfigurable FP-FFT core with an array of folded DA butterflies

Applications FFT points N
High-performance local area network (LAN) 64
Wireless LAN 64
Multiple-input and multiple-output (MIMO) OFDM system 64/128
Institute of Electrical and Electronics Engineers (IEEE) 802.16 based wireless systems 128 ~ 2,048
Digital audio broadcasting (DAB) 256 ~ 2,048
Very-high-bit-rate digital subscriber line (VDSL) 256 ~ 2,048
Asymmetric digital subscriber line (ADSL) 512
Worldwide interoperability for microwave access 2,048
Digital video broadcasting-terrestrial (DVB-T) 2,048/8,912