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docs:techref:wireless.standards [2021/03/15 08:14] – created plntykdocs:techref:wireless.standards [2021/03/15 09:05] (current) – STBC added plntyk
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-=== MIMO ===+=== MIMO  multiple-input and multiple-output ===
  
 Technology that uses multiple antennas to increase data transfer rates. Technology that uses multiple antennas to increase data transfer rates.
 see also MCS tables see also MCS tables
 +
 +[[wp>Space%E2%80%93time_block_code|STBC]] is part of MIMO.
  
 [[wp>Multi-user_MIMO|MU-MIMO]] [[wp>Multi-user_MIMO|MU-MIMO]]
Line 67: Line 69:
 Required for higher throughput - 802.11n, 802.11ac, 802.11ax standards. Required for higher throughput - 802.11n, 802.11ac, 802.11ax standards.
 HT ... 802.11n , VHT ... 802.11ac, HE ... 802.11ax HT ... 802.11n , VHT ... 802.11ac, HE ... 802.11ax
 +
 +HT20 : 20 MHz wide channels
 +HT40: 40 MHz 
 +VHT80 : 80 MHz
 +VHT160: 160MHz
  
 see also MCS table see also MCS table
Line 79: Line 86:
 === RSDB DBDC === === RSDB DBDC ===
  
-Radio Simultan Dual Band, Dual Band Dual Concurrent+Acronym for Radio Simultan Dual Band, Dual Band Dual Concurrent
  
 Use two frequency bands at the same time by one endpoint. Use two frequency bands at the same time by one endpoint.
  
 Supported by: mt76 and potentially brcmfmac ([[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/wireless/broadcom?id=d4aef159394d5940bd7158ab789969dab82f7c76 | BCM4359]] ) Supported by: mt76 and potentially brcmfmac ([[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/wireless/broadcom?id=d4aef159394d5940bd7158ab789969dab82f7c76 | BCM4359]] )
 +
 +Normally radios operate in Single Band Single Concurrent (SBSC) (OpenWrt: 802.11an, 802.11bgn) or are capable of Dual Band Single Concurrent (DBSC): having 2 frequency bands selectable (OpenWrt: 802.11abgn capable).
 +
 +=== WOW Wake On Wlan ===
 +
 +[[wp>Wake-on-LAN]]
  
 ===== Links ===== ===== Links =====
  [[https://www.semfionetworks.com/blog/mcs-table-updated-with-80211ax-data-rates | some MCS Tables]]  [[https://www.semfionetworks.com/blog/mcs-table-updated-with-80211ax-data-rates | some MCS Tables]]
  • Last modified: 2021/03/15 08:14
  • by plntyk