Windowing International Sparila GI Insertion Economic Windowing User N Mapper GI Insertion Windowing Single spatial stream Space-time streams Several transmission chains Figure 5.6. Generation of VHT-SIG-B field - Data unit for multi-user Radio channel bandwidths of 20, 40, and 80 MHz GI Insertion Information Windowing Mapper paster GI Insertion Brocción Madgers Windowing Securité September Sparila GI Insertion Windowing Mapper GI Insertion Windowing Single spatial stream Space-time streams Several transmission chains Figure 5.7. Generation of VHT-SIG-B field - Data unit for a single user Radio channel bandwidth of 160 MHz GI Insertion International Madders Windowing Mapper Economic GI Insertion passe Windowing Registration DONIT GI Insertion Madders Windowing Mapper fabric GI Insertion Windowing Single spatial stream Space-time streams Several transmission chains Figure 5.8. Generation of VHT-SIG-B field - Data unit for a single user Radio channel bandwidth of 80+80 MHz 802.11ac Interface Constellation GI Insertion Economic Interleaver Mapper Windowing passe Constellation GI Insertion Interleaver Passer Madgers Mapper Windowing crocción Street STIPS Constellation Sociali GI Insertion Interleaver Mapper Windowing Constellation GI Insertion Interleaver Mapper Windowing Spatial streams Space-time streams Several transmission chains Figure 5.9. Generation of DATA field - Data unit for a single user BCC encoder - Radio channel bandwidths of 20, 40 and 80 MHz radio Constellation LDPC Tone GI Insertion Mapper mapper Windowing Constellation LDPC Tone GI Insertion Madders Passar Mapper mapper Windowing Street STIPS Constellation LDPC Tone GI Insertion Mapper mapper Windowing Constellation LDPC Tone GI Insertion Mapper mapper Windowing Spatial streams Space-time streams Several transmission chains Figure 5.10. Generation of DATA field - Data unit for a single user LDPC encoder - Radio channel bandwidths of 20, 40 and 80 MHz radio Constellation LDPC Tone GI Insertion Passer Mapper mapper Windowing User 1 Streen Constellati