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From smart grid to internet of energy
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802.11
n ah af ad ac 2016 2014 2016 2014 2009 900 MHz 2.4/5 GHz 60 GHz 5 GHz 2.4/5 GHz 1/2/4/8/ 6/7/8 MHz 2.16 GHz 20/40/80/ 20/40 MHz 16 MHz 160 MHz to BPSK to BPSK to BPSK to BPSK to BPSK 256- 256-QAM 64-QAM 256-QAM 256-QAM QAM SC, SC, OFDM SC, OFDM OFDM OFDM OFDM 40 Mbps 26.7 Mbps 6.76 Gbps
GHz to
2003 20 MHz BPSK 256- QAM DSSS, OFDM 54 Mbps 70 m 100 mW
g 2.4 GHz 20 MHz to 54 Mbps 100 mW

802.11standards a 1999 1999 5 GHz 20 MHz BPSK to BPSK 256- 256- QAM QAM OFDM DSSS, CCK 11 Mbps 35 m 35 m 100 mW

of b 2.4 to
Comparison – 1997 GHz 2.4 20 MHz BPSK 256-QAM FHSS, DSSS Mbps 2 20 m 100 mW

5.2 data
TABLE Year adopted Frequency band Bandwidth Modulation scheme Transmit scheme Peak rate Range Maximum transmit power