2 Characteristics including technical parameters associated with broadband RLAN standards IEEE Std IEEE Std IEEE Std IEEE Std IEEE Std 802.11-2012 IEEE Std ETSI ETSI ARIB ETSI EN 802.11-2012 (Clause 20, commonly known as EN 300 328 EN 301 893 302 567 (Clause 18, (Clause 19, (Clause 18, 802.11n) (Clause 17, commonly commonly known Annex D and (1) commonly known as 802.11g(1)) Annex E, known as 802.11a(1)) commonly known as 802.11b) as 802.11j) Access CSMA/ Scheduled, method CA, CSMA/CA CSMA/CA TDMA/TDD SSMA Modulation CCK DSSS/CCK 64-QAM-OFDM Single No 64-QAM-OFDM (8 OFDM 16-QAM-OFDM OFDM Carrier: restriction on 16-QAM-OFDM chip PBCC QPSK-OFDM DPSK, the type of QPSK-OFDM spreading) DSSS-OFDM BPSK-OFDM OFDM modulation BPSK-OFDM π/2-BPSK, QPSK-OFDM π/2-QPSK, 52 subcarriers 52 subcarriers BPSK-OFDM π/2-16QAM (see Fig. 1) (see Fig. 1) BPSK-OFDM 56 subcarriers in OFDM: 52 subcarriers 20 MHz 64-QAM, (see Fig. 1) 114 subcarriers 16-QAM, in 40 MHz QPSK, 56 MIMO, 1-4 352 subcarriers spatial streams subcarriers in 20 MHz 114 subcarriers in 40 MHz 242 subcarriers in 80 MHz 484 subcarriers in 160 MHz and 80+80 MHz MIMO, 1-8 spatial streams
2 Characteristics including technical parameters associated with broadband RLAN standards IEEE Std (Clause 17, commonly known as 802.11b) IEEE Std 802.11-2012 (Clause 18, commonly known as 802.11a(1)) IEEE Std (Clause 19, commonly known as 802.11g(1)) IEEE Std (Clause 18, Annex D and Annex E, commonly known as 802.11j) IEEE Std 802.11-2012 (Clause 20, commonly known as 802.11n) IEEE Std ETSI EN 300 328 ETSI EN 301 893 ARIB (1) ETSI EN 302 567 Access method CSMA/ CA, SSMA CSMA/CA Scheduled, CSMA/CA TDMA/TDD Modulation CCK (8 chip spreading) BPSK-OFDM 52 subcarriers (see Fig. 1) DSSS/CCK OFDM PBCC DSSS-OFDM 64-QAM-OFDM 16-QAM-OFDM QPSK-OFDM BPSK-OFDM 52 subcarriers (see Fig. 1) QPSK-OFDM BPSK-OFDM 56 subcarriers in 20 MHz 114 subcarriers in 40 MHz MIMO, 1-4 spatial streams 56 subcarriers in 20 MHz 114 subcarriers in 40 MHz 242 subcarriers in 80 MHz 484 subcarriers in 160 MHz and 80+80 MHz MIMO, 1-8 spatial streams Single Carrier: DPSK, π/2-BPSK, π/2-QPSK, π/2-16QAM OFDM: 64-QAM, 16-QAM, QPSK, 352 subcarriers No restriction on the type of modulation 64-QAM-OFDM 16-QAM-OFDM QPSK-OFDM BPSK-OFDM 52 subcarriers (see Fig. 1) OFDM OFDM