802.11ae Channels ====================== .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **What is 802.11ae?** 802.11ae is an amendment to the Wi-Fi standard that enhances Quality of Service (QoS) by managing transmission of QoS-related management frames. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae define new wireless channels?** No, 802.11ae operates over existing 802.11 channels and does not create new frequency channels. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Which frequency bands does 802.11ae use?** It uses the same frequency bands as the underlying Wi-Fi standards, typically 2.4 GHz and 5 GHz. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **What type of frames does 802.11ae prioritize?** It prioritizes management frames related to QoS signaling like transmission of user priorities and admission control. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Is 802.11ae mandatory for all Wi-Fi devices?** No, it is an optional enhancement focused on QoS management. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **How does 802.11ae improve Wi-Fi performance?** By ensuring QoS management frames are delivered reliably and timely, it supports better overall QoS. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae impact channel width?** No, it uses the channel widths defined by the underlying physical standard (20 MHz, 40 MHz, etc.). .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Can 802.11ae frames be transmitted on 40 MHz or 80 MHz channels?** Yes, 802.11ae frames use the same channel bandwidth as the underlying PHY layer. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Is Dynamic Frequency Selection (DFS) relevant for 802.11ae?** DFS applies to all transmissions including 802.11ae frames, as per regulatory requirements. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae require special transmit power controls?** No, it follows the same transmit power rules as the underlying 802.11 standard. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **How does 802.11ae interact with other 802.11 amendments?** It complements them by improving QoS management without changing channel use or PHY operation. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Are there unique regulatory considerations for 802.11ae?** No, it complies with regulations applicable to the underlying frequency bands. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **What devices benefit most from 802.11ae?** Devices requiring reliable QoS signaling like VoIP phones, video streaming devices, and enterprise APs. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Is 802.11ae supported on all Wi-Fi chipsets?** Support depends on chipset firmware and driver implementations. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Can 802.11ae improve latency?** Yes, by prioritizing QoS management frames, it reduces delays in QoS negotiation. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **How does 802.11ae affect channel planning?** It does not change channel planning but enhances QoS on existing channels. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Is 802.11ae compatible with 802.11ax (Wi-Fi 6)?** Yes, it is designed to work alongside newer Wi-Fi standards. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae require firmware updates?** Typically yes, to enable support for enhanced QoS frame handling. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Can 802.11ae improve Wi-Fi security?** It is focused on QoS management and does not directly enhance security. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae affect battery life?** Minimal impact, as it only prioritizes certain management frames. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Is 802.11ae widely implemented?** Adoption is limited but present in enterprise-grade Wi-Fi devices. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **How does 802.11ae handle frame retransmissions?** It ensures QoS frames have higher priority in retransmission queues. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Can 802.11ae coexist with non-QoS networks?** Yes, it operates alongside non-QoS networks without interference. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **What is the relationship between 802.11ae and WMM?** 802.11ae enhances QoS signaling, complementing Wi-Fi Multimedia (WMM) functions. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Does 802.11ae improve streaming quality?** Indirectly, by enabling better QoS management and prioritization. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **Are firmware upgrades required for 802.11ae?** Yes, device manufacturers typically provide firmware to enable 802.11ae features. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **What standards does 802.11ae build upon?** It builds on the IEEE 802.11 MAC and PHY layers, enhancing QoS frame management. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow **How can network admins benefit from 802.11ae?** By improved QoS signaling, admins can better manage traffic priorities and ensure performance for critical applications. .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: shadow Topics in this section, * :ref:`List of channels ` * :ref:`List of channel widths ` * :ref:`List of Bands ` * :ref:`Reference links ` .. _channels_ae_step4: .. tab-set:: .. tab-item:: 2.4 GHz Channels for 802.11ae ===================== ======================= ====================== ============== Channel Number (MHz) Center Frequency (MHz) Frequency Range DFS Required ===================== ======================= ====================== ============== 1 2412 2401 – 2423 No 2 2417 2406 – 2428 No 3 2422 2411 – 2433 No 4 2427 2416 – 2438 No 5 2432 2421 – 2443 No 6 2437 2426 – 2448 No 7 2442 2431 – 2453 No 8 2447 2436 – 2458 No 9 2452 2441 – 2463 No 10 2457 2446 – 2468 No 11 2462 2451 – 2473 No 12 2467 2456 – 2478 No (region dependent) 13 2472 2461 – 2483 No (region dependent) 14 2484 2473 – 2495 No (Japan only) ===================== ======================= ====================== ============== .. tab-item:: 5 GHz Channels for 802.11ae ===================== ======================= ====================== ============== Channel Number (MHz) Center Frequency (MHz) Frequency Range DFS Required ===================== ======================= ====================== ============== 36 5180 5170 – 5190 No 40 5200 5190 – 5210 No 44 5220 5210 – 5230 No 48 5240 5230 – 5250 No 52 5260 5250 – 5270 Yes 56 5280 5270 – 5290 Yes 60 5300 5290 – 5310 Yes 64 5320 5310 – 5330 Yes 100 5500 5490 – 5510 Yes 104 5520 5510 – 5530 Yes 108 5540 5530 – 5550 Yes 112 5560 5550 – 5570 Yes 116 5580 5570 – 5590 Yes 120 5600 5590 – 5610 Yes 124 5620 5610 – 5630 Yes 128 5640 5630 – 5650 Yes 132 5660 5650 – 5670 Yes 136 5680 5670 – 5690 Yes 140 5700 5690 – 5710 Yes 144 5720 5710 – 5730 Yes 149 5745 5735 – 5755 No 153 5765 5755 – 5775 No 157 5785 5775 – 5795 No 161 5805 5795 – 5815 No 165 5825 5815 – 5835 No ===================== ======================= ====================== ============== .. _channels_ae_step5: .. tab-set:: .. tab-item:: List of channel widths * channel widths .. _channels_ae_step6: .. tab-set:: .. tab-item:: List of Bands ======================= ====================== ====================== ============================================================ Band Name Frequency Range (GHz) Frequency Range (MHz) Channels ======================= ====================== ====================== ============================================================ 2.4 GHz Band 2.400 – 2.485 2400 – 2485 1 – 14 (region dependent) UNII-1 5.150 – 5.250 5150 – 5250 36, 40, 44, 48 UNII-2 (DFS) 5.250 – 5.350 5250 – 5350 52, 56, 60, 64 UNII-2 Extended (DFS) 5.470 – 5.725 5470 – 5725 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144 UNII-3 5.725 – 5.825 5725 – 5825 149, 153, 157, 161, 165 ======================= ====================== ====================== ============================================================ .. _channels_ae_step17: .. tab-set:: .. tab-item:: Reference links * Reference links