3749943
| Question | Answer |
| 802.11n | Defines High Throughput (Clause 20) MIMO |
| Max Data Rate | 600 Mbps |
| Three Modes | HT (Greenfield Mode) Non-HT HT Mixed |
| Greenfield Mode | No nearby legacy stations using same frequency. Cannot communicate with legacy stations. |
| Non-HT | Sends frames in legacy 802.11a/g format. Must use 20 MHz |
| HT Mixed | Uses HT Protection mechanism Requires use of RTS/CTS |
| STBC | Space-Time Block Coding Transmitting info on two or more antennas. |
| TxBF | Transmit Beamforming. Phase adjustments |
| 40 MHz Intolerant | Management frame bit. Forces 802.11n AP to switch to 20 MHz channel. |
| Guard Interval | Used between OFDM symbols. To prevent inter symbol interference. |
| A-MSDU | Aggregate MAC Service Data Unit. Combines multiple frames into a single frame transmission. |
| A-MPDU | Aggregate MAC Protocol Data Unit. |
| Power Management | Spatial Multiplexing Power Save (SM Power Save) Power Save Multi Poll (PSMP) |
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