{"id":400509,"date":"2024-10-20T04:50:35","date_gmt":"2024-10-20T04:50:35","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-802-11ax-2021-3\/"},"modified":"2024-10-26T08:38:17","modified_gmt":"2024-10-26T08:38:17","slug":"ieee-802-11ax-2021-3","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-802-11ax-2021-3\/","title":{"rendered":"IEEE 802.11ax-2021"},"content":{"rendered":"

Amendment Standard – Active. Modifications to both the IEEE 802.11 physical layer (PHY) and medium access control (MAC) sublayer for high-efficiency operation in frequency bands between 1 GHz and 7.125 GHz are defined in this amendment to IEEE Std 802.11-2020.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nIEEE Std 802.11ax\u2122-2021 Front Cover <\/td>\n<\/tr>\n
2<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nImportant Notices and Disclaimers Concerning IEEE Standards Documents <\/td>\n<\/tr>\n
11<\/td>\nIntroduction <\/td>\n<\/tr>\n
12<\/td>\nContents <\/td>\n<\/tr>\n
26<\/td>\nFigures <\/td>\n<\/tr>\n
31<\/td>\nTables <\/td>\n<\/tr>\n
37<\/td>\n1. Overview
1.4 Word usage <\/td>\n<\/tr>\n
38<\/td>\n1.5 Terminology for mathematical, logical, and bit operations
2. Normative references
3. Definitions, acronyms, and abbreviations
3.1 Definitions <\/td>\n<\/tr>\n
39<\/td>\n3.2 Definitions specific to IEEE 802.11 <\/td>\n<\/tr>\n
47<\/td>\n3.4 Acronyms and abbreviations <\/td>\n<\/tr>\n
48<\/td>\n4. General description
4.3 Components of the IEEE Std 802.11 architecture
4.3.15a High-efficiency (HE) STA <\/td>\n<\/tr>\n
49<\/td>\n4.3.19 Wireless network management
4.3.19.8 Event reporting <\/td>\n<\/tr>\n
50<\/td>\n6. Layer management
6.3 MLME SAP interface
6.3.3 Scan
6.3.3.2 MLME-SCAN.request
6.3.3.2.2 Semantics of the service primitive <\/td>\n<\/tr>\n
51<\/td>\n6.3.3.3 MLME-SCAN.confirm
6.3.3.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
54<\/td>\n6.3.4 Synchronization
6.3.4.2 MLME-JOIN.request
6.3.4.2.2 Semantics of the service primitive
6.3.4.2.4 Effect of receipt
6.3.7 Associate
6.3.7.2 MLME-ASSOCIATE.request
6.3.7.2.2 Semantics of the service primitive <\/td>\n<\/tr>\n
55<\/td>\n6.3.7.3 MLME-ASSOCIATE.confirm
6.3.7.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
57<\/td>\n6.3.7.4 MLME-ASSOCIATE.indication
6.3.7.4.2 Semantics of the service primitive <\/td>\n<\/tr>\n
58<\/td>\n6.3.7.5 MLME-ASSOCIATE.response
6.3.7.5.2 Semantics of the service primitive <\/td>\n<\/tr>\n
60<\/td>\n6.3.8 Reassociate
6.3.8.2 MLME-REASSOCIATE.request
6.3.8.2.2 Semantics of the service primitive <\/td>\n<\/tr>\n
61<\/td>\n6.3.8.3 MLME-REASSOCIATE.confirm
6.3.8.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
62<\/td>\n6.3.8.4 MLME-REASSOCIATE.indication
6.3.8.4.2 Semantics of the service primitive <\/td>\n<\/tr>\n
63<\/td>\n6.3.8.5 MLME-REASSOCIATE.response
6.3.8.5.2 Semantics of the service primitive <\/td>\n<\/tr>\n
65<\/td>\n6.3.11 Start
6.3.11.2 MLME-START.request
6.3.11.2.2 Semantics of the service primitive <\/td>\n<\/tr>\n
66<\/td>\n6.3.11.2.4 Effect of receipt
6.3.118 Quiet time period
6.3.118.1 Introduction
6.3.118.2 MLME-QTP.request
6.3.118.2.1 Function
6.3.118.2.2 Semantics of the service primitive <\/td>\n<\/tr>\n
67<\/td>\n6.3.118.2.3 When generated
6.3.118.2.4 Effect of receipt
6.3.118.3 MLME-QTP.indicaton
6.3.118.3.1 Function
6.3.118.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
68<\/td>\n6.3.118.3.3 When generated
6.3.118.3.4 Effect of receipt
6.3.118.4 MLME-QTP.response
6.3.118.4.1 Function
6.3.118.4.2 Semantics of the service primitive <\/td>\n<\/tr>\n
69<\/td>\n6.3.118.4.3 When generated
6.3.118.4.4 Effect of receipt
6.3.118.5 MLME-QTP.confirm
6.3.118.5.1 Function
6.3.118.5.2 Semantics of the service primitive <\/td>\n<\/tr>\n
70<\/td>\n6.3.118.5.3 When generated
6.3.118.5.4 Effect of receipt
6.5 PLME SAP interface
6.5.6 PLME-TXTIME.confirm
6.5.6.2 Semantics of the service primitive <\/td>\n<\/tr>\n
72<\/td>\n8. PHY service specification
8.3 Detailed PHY service specifications
8.3.4 Basic service and options
8.3.4.2 PHY-SAP inter-(sub)layer service primitives
8.3.4.3 PHY SAP service primitives parameters
8.3.4.4 Vector descriptions <\/td>\n<\/tr>\n
73<\/td>\n8.3.5 PHY SAP detailed service specification
8.3.5.2 PHY-DATA.request
8.3.5.2.2 Semantics of the service primitive
8.3.5.3 PHY-DATA.indication
8.3.5.3.2 Semantics of the service primitive <\/td>\n<\/tr>\n
74<\/td>\n8.3.5.10 PHY-CCARESET.request
8.3.5.10.3 When generated
8.3.5.12 PHY-CCA.indication
8.3.5.12.2 Semantics of the service primitive <\/td>\n<\/tr>\n
75<\/td>\n8.3.5.12.3 When generated
8.3.5.16 PHY-TRIGGER.request
8.3.5.16.1 Function
8.3.5.16.2 Semantics of the service primitive <\/td>\n<\/tr>\n
76<\/td>\n8.3.5.16.3 When generated
8.3.5.16.4 Effect of receipt <\/td>\n<\/tr>\n
77<\/td>\n9. Frame formats
9.2 MAC frame formats
9.2.4 Frame fields
9.2.4.1 Frame Control field
9.2.4.1.3 Type and Subtype subfields
9.2.4.1.8 More Data subfield <\/td>\n<\/tr>\n
78<\/td>\n9.2.4.1.10 +HTC subfield
9.2.4.3 Address fields
9.2.4.3.5 DA field
9.2.4.3.6 SA field <\/td>\n<\/tr>\n
79<\/td>\n9.2.4.5 QoS Control field
9.2.4.5.2 TID subfield
9.2.4.5.4 Ack Policy Indicator subfield <\/td>\n<\/tr>\n
80<\/td>\n9.2.4.5.6 Queue Size subfield <\/td>\n<\/tr>\n
81<\/td>\n9.2.4.6 HT Control field
9.2.4.6.1 General <\/td>\n<\/tr>\n
82<\/td>\n9.2.4.6.3 VHT variant <\/td>\n<\/tr>\n
83<\/td>\n9.2.4.6.3a HE variant <\/td>\n<\/tr>\n
84<\/td>\n9.2.4.6a Control subfield variants of an A-Control subfield
9.2.4.6a.1 TRS Control <\/td>\n<\/tr>\n
85<\/td>\n9.2.4.6a.2 OM Control <\/td>\n<\/tr>\n
86<\/td>\n9.2.4.6a.3 HLA Control <\/td>\n<\/tr>\n
89<\/td>\n9.2.4.6a.4 BSR Control <\/td>\n<\/tr>\n
91<\/td>\n9.2.4.6a.5 UPH Control <\/td>\n<\/tr>\n
92<\/td>\n9.2.4.6a.6 BQR Control
9.2.4.6a.7 CAS Control <\/td>\n<\/tr>\n
93<\/td>\n9.2.4.7 Frame Body field
9.2.4.7.1 General <\/td>\n<\/tr>\n
94<\/td>\n9.2.5 Duration\/ID field (QoS STA)
9.2.5.2 Setting for single and multiple protection under enhanced distributed channel access (EDCA) <\/td>\n<\/tr>\n
96<\/td>\n9.2.5.7 Setting for control response frames
9.2.5.8 Setting for other response frames
9.3 Format of individual frame types
9.3.1 Control frames
9.3.1.2 RTS frame format <\/td>\n<\/tr>\n
97<\/td>\n9.3.1.3 CTS frame format
9.3.1.5 PS-Poll frame format
9.3.1.5.1 General
9.3.1.6 CF-End frame format
9.3.1.7 BlockAckReq frame format
9.3.1.7.1 Overview <\/td>\n<\/tr>\n
98<\/td>\n9.3.1.8 BlockAck frame format
9.3.1.8.1 Overview <\/td>\n<\/tr>\n
99<\/td>\n9.3.1.8.2 Compressed BlockAck variant <\/td>\n<\/tr>\n
101<\/td>\n9.3.1.8.5 GCR Block Ack variant
9.3.1.8.7 Multi-STA BlockAck variant <\/td>\n<\/tr>\n
105<\/td>\n9.3.1.19 VHT\/HE NDP Announcement frame format <\/td>\n<\/tr>\n
108<\/td>\n9.3.1.22 Trigger frame format
9.3.1.22.1 General <\/td>\n<\/tr>\n
116<\/td>\n9.3.1.22.2 Basic Trigger frame format <\/td>\n<\/tr>\n
117<\/td>\n9.3.1.22.3 BFRP Trigger frame format
9.3.1.22.4 MU-BAR Trigger frame format
9.3.1.22.5 MU-RTS Trigger frame format <\/td>\n<\/tr>\n
119<\/td>\n9.3.1.22.6 BSRP Trigger frame format
9.3.1.22.7 GCR MU-BAR Trigger frame format
9.3.1.22.8 BQRP Trigger frame format
9.3.1.22.9 NFRP Trigger frame format <\/td>\n<\/tr>\n
120<\/td>\n9.3.2 Data frames
9.3.2.1 Format of Data frames
9.3.2.1.2 Address and BSSID fields <\/td>\n<\/tr>\n
121<\/td>\n9.3.3 (PV0) Management frames
9.3.3.2 Beacon frame format <\/td>\n<\/tr>\n
123<\/td>\n9.3.3.5 Association Request frame format <\/td>\n<\/tr>\n
124<\/td>\n9.3.3.6 Association Response frame format <\/td>\n<\/tr>\n
125<\/td>\n9.3.3.7 Reassociation Request frame format <\/td>\n<\/tr>\n
126<\/td>\n9.3.3.8 Reassociation Response frame format <\/td>\n<\/tr>\n
127<\/td>\n9.3.3.9 Probe Request frame format <\/td>\n<\/tr>\n
128<\/td>\n9.3.3.10 Probe Response frame format <\/td>\n<\/tr>\n
130<\/td>\n9.3.3.13 Action frame format
9.3.4 Extension frames
9.3.4.2 DMG Beacon
9.3.4.3 S1G Beacon frame format <\/td>\n<\/tr>\n
131<\/td>\n9.4 Management and Extension frame body components
9.4.1 Fields that are not elements
9.4.1.7 Reason Code field
9.4.1.9 Status Code field
9.4.1.11 Action field <\/td>\n<\/tr>\n
132<\/td>\n9.4.1.17 QoS Info field
9.4.1.45 Band ID field <\/td>\n<\/tr>\n
133<\/td>\n9.4.1.53 Operating Mode field <\/td>\n<\/tr>\n
134<\/td>\n9.4.1.60 TWT Information field <\/td>\n<\/tr>\n
135<\/td>\n9.4.1.64 HE MIMO Control field <\/td>\n<\/tr>\n
137<\/td>\n9.4.1.65 HE Compressed Beamforming Report field <\/td>\n<\/tr>\n
144<\/td>\n9.4.1.66 HE MU Exclusive Beamforming Report field <\/td>\n<\/tr>\n
146<\/td>\n9.4.1.67 HE CQI Report field <\/td>\n<\/tr>\n
147<\/td>\n9.4.2 Elements
9.4.2.1 General <\/td>\n<\/tr>\n
148<\/td>\n9.4.2.3 Supported Rates and BSS Membership Selectors element
9.4.2.5 TIM element
9.4.2.5.1 General <\/td>\n<\/tr>\n
149<\/td>\n9.4.2.8 Country element <\/td>\n<\/tr>\n
150<\/td>\n9.4.2.26 Extended Capabilities element <\/td>\n<\/tr>\n
151<\/td>\n9.4.2.28 EDCA Parameter Set element <\/td>\n<\/tr>\n
152<\/td>\n9.4.2.29 TSPEC element <\/td>\n<\/tr>\n
154<\/td>\n9.4.2.36 Neighbor Report element <\/td>\n<\/tr>\n
156<\/td>\n9.4.2.45 Multiple BSSID element <\/td>\n<\/tr>\n
157<\/td>\nInsert NOTE 5 and the following paragraph into 9.4.2.45 after the now eighth paragraph:
9.4.2.63 Channel Switch Timing element <\/td>\n<\/tr>\n
158<\/td>\n9.4.2.66 Event Request element
9.4.2.66.1 Event Request definition
9.4.2.67 Event Report element
9.4.2.67.1 Event Report definition
9.4.2.67.7 BSS color collision event report
9.4.2.67.8 BSS color in use event report <\/td>\n<\/tr>\n
159<\/td>\n9.4.2.73 Multiple BSSID-Index element
9.4.2.139 ADDBA Extension element <\/td>\n<\/tr>\n
160<\/td>\n9.4.2.157 VHT Capabilities element
9.4.2.157.3 Supported VHT-MCS and NSS Set field
9.4.2.159 Extended BSS Load element <\/td>\n<\/tr>\n
161<\/td>\n9.4.2.161 Transmit Power Envelope element <\/td>\n<\/tr>\n
165<\/td>\n9.4.2.170 Reduced Neighbor Report element
9.4.2.170.2 Neighbor AP Information field <\/td>\n<\/tr>\n
168<\/td>\n9.4.2.177 FILS Request Parameters element
9.4.2.199 TWT element
Replace Figure 9-686 with the following figure:
Change Figure 9-687 as follows:
Insert the following paragraphs, Table 9-296a, Figure 9-687a, and Figure 9-687b into 9.4.2.199 after the fifth paragraph (\u201cThe Responder PM Mode subfield\u2026\u201d): <\/td>\n<\/tr>\n
170<\/td>\nChange the following block of text (i.e., now 13th through 22nd paragraphs) in 9.4.2.199 as shown (including changing Figure 9-688 and Table 9-297 and inserting Figure 9-688a and Table 9-297a): <\/td>\n<\/tr>\n
174<\/td>\nThe block of text from the now 23rd paragraph (\u201cWhen a TWT responding STA ….\u201d) through the now 30th paragraph (\u201cA non-AP STA uses ….\u201d) (including Figure 9-689 and Table 9-298) remains unchanged. <\/td>\n<\/tr>\n
175<\/td>\nChange the following block of text (i.e., now 31st through 40th paragraphs) in 9.4.2.199 as shown (including inserting Figure 9-689a): <\/td>\n<\/tr>\n
176<\/td>\n9.4.2.248 HE Capabilities element
9.4.2.248.1 General <\/td>\n<\/tr>\n
177<\/td>\n9.4.2.248.2 HE MAC Capabilities Information field <\/td>\n<\/tr>\n
183<\/td>\n9.4.2.248.3 HE PHY Capabilities Information field <\/td>\n<\/tr>\n
194<\/td>\n9.4.2.248.4 Supported HE-MCS And NSS Set field <\/td>\n<\/tr>\n
196<\/td>\n9.4.2.248.5 PPE Thresholds field <\/td>\n<\/tr>\n
198<\/td>\n9.4.2.249 HE Operation element <\/td>\n<\/tr>\n
201<\/td>\n9.4.2.250 UORA Parameter Set element
9.4.2.251 MU EDCA Parameter Set element <\/td>\n<\/tr>\n
202<\/td>\n9.4.2.252 Spatial Reuse Parameter Set element <\/td>\n<\/tr>\n
204<\/td>\n9.4.2.253 NDP Feedback Report Parameter Set element
9.4.2.254 BSS Color Change Announcement element <\/td>\n<\/tr>\n
205<\/td>\n9.4.2.255 Quiet Time Period element
9.4.2.255.1 General <\/td>\n<\/tr>\n
206<\/td>\n9.4.2.255.2 Quiet Time Period Setup subtype
9.4.2.255.3 Quiet Time Period Request subtype <\/td>\n<\/tr>\n
207<\/td>\n9.4.2.255.4 Quiet Time Period Response subtype <\/td>\n<\/tr>\n
208<\/td>\n9.4.2.256 ESS Report element <\/td>\n<\/tr>\n
209<\/td>\n9.4.2.257 OPS element
9.4.2.258 TWT Constraint Parameters element
9.4.2.259 HE BSS Load element <\/td>\n<\/tr>\n
211<\/td>\n9.4.2.260 Multiple BSSID Configuration element
9.4.2.261 Known BSSID element <\/td>\n<\/tr>\n
212<\/td>\n9.4.2.262 Short SSID List element
9.4.2.263 HE 6 GHz Band Capabilities element <\/td>\n<\/tr>\n
213<\/td>\n9.4.2.264 UL MU Power Capabilities element <\/td>\n<\/tr>\n
214<\/td>\n9.6 Action frame format details
9.6.1 Introduction General
9.6.7 Public Action details
9.6.7.16 TDLS Discovery Response frame format
9.6.7.36 FILS Discovery frame format <\/td>\n<\/tr>\n
216<\/td>\n9.6.12 TDLS Action field formats
9.6.12.2 TDLS Setup Request Action field format <\/td>\n<\/tr>\n
217<\/td>\n9.6.12.3 TDLS Setup Response Action field format
9.6.12.4 TDLS Setup Confirm Action field format <\/td>\n<\/tr>\n
218<\/td>\n9.6.15 Self-protected Action frame details
9.6.15.2 Mesh Peering Open frame format
9.6.15.2.2 Mesh Peering Open frame details
9.6.15.3 Mesh Peering Confirm frame format
9.6.15.3.2 Mesh Peering Confirm frame details
9.6.24 Unprotected S1G Action frame details
9.6.24.1 Unprotected S1G Action field <\/td>\n<\/tr>\n
219<\/td>\n9.6.24.8 TWT Setup frame format
9.6.24.9 TWT Teardown frame format <\/td>\n<\/tr>\n
220<\/td>\n9.6.24.12 TWT Information frame format <\/td>\n<\/tr>\n
221<\/td>\n9.6.31 HE Action frame details
9.6.31.1 HE Action field
9.6.31.2 HE Compressed Beamforming\/CQI frame format <\/td>\n<\/tr>\n
222<\/td>\n9.6.31.3 Quiet Time Period action frame format
9.6.31.4 OPS frame format
9.6.32 Protected HE Action frame details
9.6.32.1 Protected HE Action field <\/td>\n<\/tr>\n
223<\/td>\n9.6.32.2 HE BSS Color Change Announcement frame format
9.6.32.3 MU EDCA Reset frame format <\/td>\n<\/tr>\n
224<\/td>\n9.7 Aggregate MPDU (A-MPDU)
9.7.1 A-MPDU format <\/td>\n<\/tr>\n
226<\/td>\n9.7.3 A-MPDU contents <\/td>\n<\/tr>\n
228<\/td>\nTable 9-532 remains unchanged. <\/td>\n<\/tr>\n
229<\/td>\nTable 9-534 remains unchanged. <\/td>\n<\/tr>\n
235<\/td>\n10. MAC sublayer functional description
10.1 Introduction
10.2 MAC architecture
10.2.1 General <\/td>\n<\/tr>\n
236<\/td>\n10.2.3 Hybrid coordination function (HCF)
10.2.3.2 HCF contention based channel access (EDCA)
10.2.4a Triggered uplink access (TUA)
10.2.5 Combined use of DCF, and HCF, and TUA <\/td>\n<\/tr>\n
237<\/td>\n10.3 DCF
10.3.1 General
10.3.2 Procedures common to the DCF and EDCAF
10.3.2.1 CS mechanism <\/td>\n<\/tr>\n
238<\/td>\n10.3.2.3 IFS
10.3.2.3.3 SIFS
10.3.2.3.7 EIFS
10.3.2.4 Setting and resetting the NAV <\/td>\n<\/tr>\n
240<\/td>\n10.3.2.6 RTS\/CTS with fragmentation
10.3.2.13 MU acknowledgment procedure
10.3.2.13.1 Acknowledgment procedure for DL MU PPDU in SU PPDU <\/td>\n<\/tr>\n
241<\/td>\n10.3.2.13.2 Acknowledgment procedure for DL MU PPDU in MU format
10.3.2.13.3 Acknowledgment procedure for UL MU transmission <\/td>\n<\/tr>\n
243<\/td>\n10.3.3 Random backoff time
10.3.4 DCF access procedure
10.3.4.4 Recovery procedures and retransmit limits
10.3.5 Individually addressed MPDU transfer procedure <\/td>\n<\/tr>\n
244<\/td>\n10.3.7 DCF timing relations
10.3.8 Signal extension
10.4 MSDU, A-MSDU, and MMPDU fragmentation <\/td>\n<\/tr>\n
245<\/td>\n10.5 MSDU, A-MSDU, and MMPDU defragmentation
10.6 Multirate support
10.6.1 Overview
10.6.5 Rate selection for Data and Management frames
10.6.5.1 Rate selection for non-STBC Beacon and non-STBC PSMP frames <\/td>\n<\/tr>\n
246<\/td>\n10.6.5.3 Rate selection for other group addressed Data and Management frames
10.6.6 Rate selection for Control frames
10.6.6.1 General rules for rate selection for Control frames
10.6.6.6 Channel Width selection for Control frames <\/td>\n<\/tr>\n
247<\/td>\n10.6.10 Modulation classes <\/td>\n<\/tr>\n
248<\/td>\n10.6.11 Non-HT basic rate calculation <\/td>\n<\/tr>\n
249<\/td>\n10.6.12 Channel Width in non-HT and non-HT duplicate PPDUs
10.6.13 Rate selection constraints for VHT STAs
10.6.13.3 Additional rate selection constraints for VHT PPDUs <\/td>\n<\/tr>\n
250<\/td>\n10.8 HT Control field operation <\/td>\n<\/tr>\n
252<\/td>\n10.9 Control Wrapper operation
10.11 A-MSDU operation <\/td>\n<\/tr>\n
253<\/td>\n10.12 A-MPDU operation
10.12.1 A-MPDU contents
10.12.2 A-MPDU length limit rules <\/td>\n<\/tr>\n
255<\/td>\n10.12.3 Minimum MPDU Sstart Sspacing field rules
10.12.4 A-MPDU aggregation of group addressed Data frames <\/td>\n<\/tr>\n
257<\/td>\n10.12.6 A-MPDU padding for VHT PPDU, HE, or S1G PPDU
10.12.7 Setting the EOF\/Tag field of the MPDU delimiter
10.13 PPDU duration constraint
10.15 Low-density parity check code (LDPC) operation <\/td>\n<\/tr>\n
258<\/td>\n10.22 Operation across regulatory domains
10.22.3 Operation with operating classes <\/td>\n<\/tr>\n
259<\/td>\n10.22.4 Operation with the Transmit Power Envelope element <\/td>\n<\/tr>\n
260<\/td>\n10.23 HCF
10.23.1 General
10.23.2 HCF contention based channel access (EDCA)
10.23.2.2 EDCA backoff procedure <\/td>\n<\/tr>\n
261<\/td>\n10.23.2.4 Obtaining an EDCA TXOP <\/td>\n<\/tr>\n
262<\/td>\n10.23.2.5 EDCA channel access in a VHT, HE, or TVHT BSS <\/td>\n<\/tr>\n
263<\/td>\n10.23.2.7 Sharing an EDCA TXOP <\/td>\n<\/tr>\n
264<\/td>\n10.23.2.8 Multiple frame transmission in an EDCA TXOP <\/td>\n<\/tr>\n
266<\/td>\n10.23.2.9 TXOP limits <\/td>\n<\/tr>\n
268<\/td>\n10.23.2.10 Truncation of TXOP
10.23.2.11 Termination of TXOP
10.23.2.12 Retransmit procedures
10.23.2.12.1 General <\/td>\n<\/tr>\n
269<\/td>\n10.23.3 HCF controlled channel access (HCCA)
10.23.3.5 HCCA transfer rules
10.23.3.5.3 Use of RTS\/CTS
10.25 Block acknowledgment (block ack)
10.25.2 Setup and modification of the block ack parameters
10.25.5 Selection of BlockAck and BlockAckReq variants <\/td>\n<\/tr>\n
270<\/td>\n10.25.6 HT-immediate block ack extensions
10.25.6.1 Introduction to HT-immediate block ack extensions <\/td>\n<\/tr>\n
271<\/td>\n10.25.6.3 Scoreboard context control during full-state operation
10.25.6.5 Generation and transmission of BlockAck frames by an HT STA, DMG STA, or S1G STA
10.25.6.6 Receive reordering buffer control operation
10.25.6.6.1 General <\/td>\n<\/tr>\n
272<\/td>\n10.25.8 GCR and GLK-GCR block ack
10.25.8.1 Introduction General
10.25.8.4 GCR block ack BlockAckReq and BlockAck frame exchanges <\/td>\n<\/tr>\n
274<\/td>\n10.27 Protection mechanisms
10.27.6 Protection rules for HE STAs
10.29 Reverse direction protocol
10.29.1 General
10.29.2 Reverse direction (RD) exchange sequence <\/td>\n<\/tr>\n
275<\/td>\n10.29.3 Rules for RD initiator <\/td>\n<\/tr>\n
276<\/td>\n10.29.4 Rules for RD responder <\/td>\n<\/tr>\n
277<\/td>\n10.36 Null data PPDU (NDP) sounding
10.36.6 Transmission of a VHT NDP
10.47 Target wake time (TWT)
10.47.1 TWT overview <\/td>\n<\/tr>\n
281<\/td>\n10.47.9 TWT parameter ranges <\/td>\n<\/tr>\n
282<\/td>\n11. MLME
11.1 Synchronization
11.1.3 Maintaining synchronization
11.1.3.8 Multiple BSSID procedure
11.1.3.8.1 General <\/td>\n<\/tr>\n
283<\/td>\n11.1.3.8.2 Nontransmitted BSSID profile <\/td>\n<\/tr>\n
284<\/td>\n11.1.3.8.3 Discovery of a nontransmitted BSSID profile <\/td>\n<\/tr>\n
285<\/td>\n11.1.3.8.4 Inheritance of element values <\/td>\n<\/tr>\n
286<\/td>\n11.1.3.8.5 Traffic advertisement in a multiple BSSID set <\/td>\n<\/tr>\n
287<\/td>\n11.1.4 Acquiring synchronization, scanning
11.1.4.3 Active scanning and probing procedures
11.1.4.3.2 Active scanning procedure for a non-DMG STA
11.1.4.3.4 Criteria for sending a response <\/td>\n<\/tr>\n
288<\/td>\n11.1.4.3.11 Enhanced FILS active scanning to preferred AP
11.2 Power management
11.2.3 Power management in a non-DMG infrastructure network
11.2.3.2 Non-AP STA power management modes <\/td>\n<\/tr>\n
289<\/td>\n11.2.3.6 AP operation <\/td>\n<\/tr>\n
290<\/td>\n11.2.3.7 Receive operation for STAs in PS mode <\/td>\n<\/tr>\n
291<\/td>\n11.2.3.9 STAs operating in active mode
11.2.3.15 TIM Broadcast <\/td>\n<\/tr>\n
292<\/td>\n11.2.6 SM power save <\/td>\n<\/tr>\n
294<\/td>\n11.3 STA authentication and association
11.3.3 Frame filtering based on STA state
11.3.5 Association, reassociation, and disassociation
11.3.5.3 AP or PCP association receipt procedures
11.3.5.5 AP or PCP reassociation receipt procedures
11.3.8 Neighbor report information upon rejection with suggested BSS transition <\/td>\n<\/tr>\n
295<\/td>\n11.4 TS operation
11.4.4 TS setup
11.4.4.4 TS setup procedures for both AP and non-AP STA initiation
11.7 TPC procedures
11.7.1 General
11.7.2 Association based on transmit power capability
11.7.3 Peering based on transmit power capability <\/td>\n<\/tr>\n
296<\/td>\n11.7.5 Specification of regulatory and local maximum transmit power levels <\/td>\n<\/tr>\n
298<\/td>\n11.7.6 Transmit power selection
11.10 Radio measurement procedures
11.10.14 Multiple BSSID set <\/td>\n<\/tr>\n
299<\/td>\n11.20 Tunneled direct-link setup
11.20.1 General
11.21 Wireless network management procedures
11.21.2 Event request and report procedures
11.21.2.1 Event request and event report
11.21.2.7 BSS color collision event <\/td>\n<\/tr>\n
300<\/td>\n11.21.2.8 BSS color in use event
11.21.6 Fine timing measurement (FTM) procedure
11.21.6.4 Measurement exchange
11.21.7 BSS transition management for network load balancing
11.21.7.1 BSS transition capability
11.21.7.4 BSS transition management response <\/td>\n<\/tr>\n
301<\/td>\n11.21.7.5 Planned ESS
11.31 Multi-band operation
11.31.5 On-channel Tunneling (OCT) operation <\/td>\n<\/tr>\n
302<\/td>\n11.45 Fast Initial Link Setup (FILS) procedures
11.45.2 FILS Discovery frame generation and usage
11.45.2.1 FILS Discovery frame transmission <\/td>\n<\/tr>\n
303<\/td>\n11.49 Reduced neighbor report <\/td>\n<\/tr>\n
305<\/td>\n11.53 Out-of-band discovery of a 6 GHz BSS <\/td>\n<\/tr>\n
308<\/td>\n12. Security
12.5 RSNA confidentiality and integrity protocols
12.5.3 CTR with CBC-MAC protocol (CCMP)
12.5.3.3 CCMP cryptographic encapsulation
12.5.3.3.2 PN processing
12.5.5 GCM protocol (GCMP)
12.5.5.3 GCMP cryptographic encapsulation
12.5.5.3.2 PN processing
12.12 Constraints on allowed security parameters
12.12.1 Introduction
12.12.2 Security constraints in the 6 GHz band <\/td>\n<\/tr>\n
310<\/td>\n14. MLME mesh procedures
14.2 Mesh discovery
14.2.4 Mesh STA configuration
14.2.7 Candidate peer mesh STA <\/td>\n<\/tr>\n
311<\/td>\n18. Extended Rate PHY (ERP) specification
18.2 PHY-specific service parameter list <\/td>\n<\/tr>\n
312<\/td>\n26. High-efficiency (HE) MAC specification
26.1 Introduction
26.2 HE channel access
26.2.1 TXOP duration-based RTS\/CTS <\/td>\n<\/tr>\n
313<\/td>\n26.2.2 Intra-BSS and inter-BSS PPDU classification <\/td>\n<\/tr>\n
314<\/td>\n26.2.3 SRG PPDU identification <\/td>\n<\/tr>\n
315<\/td>\n26.2.4 Updating two NAVs <\/td>\n<\/tr>\n
316<\/td>\n26.2.5 Truncation of TXOP <\/td>\n<\/tr>\n
317<\/td>\n26.2.6 MU-RTS Trigger\/CTS frame exchange procedure
26.2.6.1 General <\/td>\n<\/tr>\n
318<\/td>\n26.2.6.2 MU-RTS Trigger frame transmission <\/td>\n<\/tr>\n
319<\/td>\n26.2.6.3 CTS frame response to an MU-RTS Trigger frame <\/td>\n<\/tr>\n
320<\/td>\n26.2.7 EDCA operation using MU EDCA parameters <\/td>\n<\/tr>\n
322<\/td>\n26.2.8 Multiple frame transmission in an EDCA TXOP in the 6 GHz band
26.3 Fragmentation and defragmentation
26.3.1 General <\/td>\n<\/tr>\n
324<\/td>\n26.3.2 Dynamic fragmentation
26.3.2.1 General <\/td>\n<\/tr>\n
325<\/td>\n26.3.2.2 Level 1 dynamic fragmentation
26.3.2.3 Level 2 dynamic fragmentation
26.3.2.4 Level 3 dynamic fragmentation <\/td>\n<\/tr>\n
326<\/td>\n26.3.3 Dynamic defragmentation
26.3.3.1 General <\/td>\n<\/tr>\n
327<\/td>\n26.3.3.2 Level 1 dynamic defragmentation
26.3.3.3 Level 2 dynamic defragmentation <\/td>\n<\/tr>\n
328<\/td>\n26.3.3.4 Level 3 dynamic defragmentation <\/td>\n<\/tr>\n
329<\/td>\n26.4 HE acknowledgment procedure
26.4.1 Overview <\/td>\n<\/tr>\n
331<\/td>\n26.4.2 Acknowledgment context in a Multi-STA BlockAck frame <\/td>\n<\/tr>\n
333<\/td>\n26.4.3 Negotiation of block ack bitmap lengths <\/td>\n<\/tr>\n
334<\/td>\n26.4.4 Per-PPDU acknowledgment selection rules
26.4.4.1 General
26.4.4.2 Responding to an HE SU PPDU or HE ER SU PPDU with an SU PPDU <\/td>\n<\/tr>\n
335<\/td>\n26.4.4.3 Responding to an HE MU PPDU with an SU PPDU
26.4.4.4 Responding to an HE MU PPDU, HE SU PPDU, or HE ER SU PPDU with an HE TB PPDU <\/td>\n<\/tr>\n
336<\/td>\n26.4.4.5 Responding to an HE TB PPDU with an SU PPDU <\/td>\n<\/tr>\n
337<\/td>\n26.4.4.6 Responding to an HE TB PPDU with an HE MU PPDU <\/td>\n<\/tr>\n
338<\/td>\n26.4.5 HE block acknowledgment request and response rules <\/td>\n<\/tr>\n
339<\/td>\n26.5 MU operation
26.5.1 HE DL MU operation
26.5.1.1 General
26.5.1.2 RU addressing in an HE MU PPDU <\/td>\n<\/tr>\n
341<\/td>\n26.5.1.3 RU allocation in an HE MU PPDU <\/td>\n<\/tr>\n
342<\/td>\n26.5.2 UL MU operation
26.5.2.1 General
26.5.2.2 Rules for soliciting UL MU frames
26.5.2.2.1 General <\/td>\n<\/tr>\n
344<\/td>\n26.5.2.2.2 Requirements for allocating resources <\/td>\n<\/tr>\n
345<\/td>\n26.5.2.2.3 Padding for a triggering frame <\/td>\n<\/tr>\n
346<\/td>\n26.5.2.2.4 Allowed settings of the Trigger frame fields and TRS Control subfield <\/td>\n<\/tr>\n
349<\/td>\n26.5.2.2.5 AP access procedures for UL MU operation <\/td>\n<\/tr>\n
350<\/td>\n26.5.2.3 Non-AP STA behavior for UL MU operation
26.5.2.3.1 General <\/td>\n<\/tr>\n
351<\/td>\n26.5.2.3.2 Conditions for not responding with an HE TB PPDU
26.5.2.3.3 TXVECTOR parameters for HE TB PPDU response to Trigger frame <\/td>\n<\/tr>\n
353<\/td>\n26.5.2.3.4 TXVECTOR parameters for HE TB PPDU response to TRS Control subfield <\/td>\n<\/tr>\n
354<\/td>\n26.5.2.3.5 RA field for frames carried in an HE TB PPDU
26.5.2.4 A-MPDU contents in an HE TB PPDU <\/td>\n<\/tr>\n
357<\/td>\n26.5.2.5 UL MU CS mechanism <\/td>\n<\/tr>\n
358<\/td>\n26.5.3 MU cascading sequence <\/td>\n<\/tr>\n
359<\/td>\n26.5.4 UL OFDMA-based random access (UORA)
26.5.4.1 General <\/td>\n<\/tr>\n
360<\/td>\n26.5.4.2 Eligible RA-RUs <\/td>\n<\/tr>\n
361<\/td>\n26.5.4.3 Transmission procedure for UORA <\/td>\n<\/tr>\n
363<\/td>\n26.5.4.4 Retransmission procedure for UORA
26.5.4.5 Additional considerations for unassociated STAs <\/td>\n<\/tr>\n
364<\/td>\n26.5.5 Buffer status report operation <\/td>\n<\/tr>\n
366<\/td>\n26.5.6 Bandwidth query report operation <\/td>\n<\/tr>\n
367<\/td>\n26.5.7 NDP feedback report procedure
26.5.7.1 General
26.5.7.2 STA behavior <\/td>\n<\/tr>\n
369<\/td>\n26.5.7.3 AP behavior
26.5.7.4 NDP feedback report for a resource request <\/td>\n<\/tr>\n
370<\/td>\n26.5.7.5 Power save operation with NDP feedback report procedure
26.5.8 Use of TSPEC by HE STAs
26.5.9 UL MU transmit power capabilities
26.6 A-MPDU operation in an HE PPDU
26.6.1 General <\/td>\n<\/tr>\n
372<\/td>\n26.6.2 A-MPDU padding in an HE PPDU
26.6.2.1 General
26.6.2.2 A-MPDU padding in an HE SU PPDU, HE ER SU PPDU, and HE MU PPDU
26.6.2.3 A-MPDU padding in an HE TB PPDU <\/td>\n<\/tr>\n
373<\/td>\n26.6.3 Multi-TID A-MPDU and ack-enabled single-TID A-MPDU
26.6.3.1 General <\/td>\n<\/tr>\n
375<\/td>\n26.6.3.2 Ack-enabled single-TID A-MPDU operation
26.6.3.3 Non-ack-enabled multi-TID A-MPDU operation
26.6.3.4 Ack-enabled multi-TID A-MPDU operation <\/td>\n<\/tr>\n
376<\/td>\n26.7 HE sounding protocol
26.7.1 General
26.7.2 HE sounding protocol <\/td>\n<\/tr>\n
379<\/td>\n26.7.3 Rules for HE sounding protocol sequences <\/td>\n<\/tr>\n
385<\/td>\n26.7.4 Rules for generating segmented feedback <\/td>\n<\/tr>\n
386<\/td>\n26.7.5 HE sounding NDP transmission
26.8 TWT operation
26.8.1 General <\/td>\n<\/tr>\n
387<\/td>\n26.8.2 Individual TWT agreements <\/td>\n<\/tr>\n
391<\/td>\n26.8.3 Broadcast TWT operation
26.8.3.1 General <\/td>\n<\/tr>\n
393<\/td>\n26.8.3.2 Rules for TWT scheduling AP <\/td>\n<\/tr>\n
397<\/td>\n26.8.3.3 Rules for TWT scheduled STA <\/td>\n<\/tr>\n
401<\/td>\n26.8.4 Use of TWT Information frames
26.8.4.1 General <\/td>\n<\/tr>\n
402<\/td>\n26.8.4.2 TWT Information frame exchange for individual TWT <\/td>\n<\/tr>\n
403<\/td>\n26.8.4.3 TWT Information frame exchange for broadcast TWT <\/td>\n<\/tr>\n
404<\/td>\n26.8.4.4 TWT Information frame exchange for flexible wake time <\/td>\n<\/tr>\n
405<\/td>\n26.8.5 Power save operation during TWT SPs <\/td>\n<\/tr>\n
406<\/td>\n26.8.6 Negotiation of wake TBTT and wake interval <\/td>\n<\/tr>\n
408<\/td>\n26.8.7 HE subchannel selective transmission
26.8.7.1 General
26.8.7.2 SST operation <\/td>\n<\/tr>\n
409<\/td>\n26.9 Operating mode indication
26.9.1 General <\/td>\n<\/tr>\n
412<\/td>\n26.9.2 Receive operating mode (ROM) indication <\/td>\n<\/tr>\n
413<\/td>\n26.9.3 Transmit operating mode (TOM) indication <\/td>\n<\/tr>\n
414<\/td>\n26.10 Spatial reuse operation
26.10.1 General <\/td>\n<\/tr>\n
415<\/td>\n26.10.2 OBSS PD-based spatial reuse operation
26.10.2.1 General
26.10.2.2 General operation with non-SRG OBSS PD level <\/td>\n<\/tr>\n
417<\/td>\n26.10.2.3 General operation with SRG OBSS PD level <\/td>\n<\/tr>\n
418<\/td>\n26.10.2.4 Adjustment of OBSS PD and transmit power <\/td>\n<\/tr>\n
421<\/td>\n26.10.2.5 OBSS PD SR transmit power restriction period <\/td>\n<\/tr>\n
422<\/td>\n26.10.2.6 OBSS PD-based spatial reuse backoff procedure <\/td>\n<\/tr>\n
423<\/td>\n26.10.3 PSR-based spatial reuse operation
26.10.3.1 General
26.10.3.2 PSR-based spatial reuse initiation <\/td>\n<\/tr>\n
424<\/td>\n26.10.3.3 PSR-based spatial reuse backoff procedure
26.10.3.4 UL Spatial Reuse subfield of Trigger frame <\/td>\n<\/tr>\n
425<\/td>\n26.10.3.5 PSRT PPDU transmission requirements
26.10.3.6 PSRT PPDU reception and response transmission requirements
26.10.4 Interaction of OBSS PD and PSR-based spatial reuse <\/td>\n<\/tr>\n
426<\/td>\n26.11 Rules for setting some TXVECTOR parameters for PPDUs transmitted by an HE STA
26.11.1 STA_ID <\/td>\n<\/tr>\n
427<\/td>\n26.11.2 UPLINK_FLAG
26.11.3 BEAM_CHANGE
26.11.4 BSS_COLOR <\/td>\n<\/tr>\n
428<\/td>\n26.11.5 TXOP_DURATION <\/td>\n<\/tr>\n
429<\/td>\n26.11.6 SPATIAL_REUSE <\/td>\n<\/tr>\n
431<\/td>\n26.11.7 INACTIVE_SUBCHANNELS and RU_ALLOCATION <\/td>\n<\/tr>\n
432<\/td>\n26.11.8 TRIGGER_RESPONDING
26.11.9 STBC and DCM <\/td>\n<\/tr>\n
433<\/td>\n26.12 HE PPDU post-FEC padding and packet extension <\/td>\n<\/tr>\n
434<\/td>\n26.13 Link adaptation using the HLA Control subfield <\/td>\n<\/tr>\n
436<\/td>\n26.14 Power management
26.14.1 Intra-PPDU power save for non-AP HE STAs <\/td>\n<\/tr>\n
437<\/td>\n26.14.2 Power save with UORA and TWT <\/td>\n<\/tr>\n
438<\/td>\n26.14.3 Opportunistic power save
26.14.3.1 General
26.14.3.2 AP operation for opportunistic power save <\/td>\n<\/tr>\n
439<\/td>\n26.14.3.3 STA operation for opportunistic power save
26.14.4 HE dynamic SM power save <\/td>\n<\/tr>\n
440<\/td>\n26.15 PPDU format, BW, MCS, NSS, and DCM selection rules
26.15.1 General
26.15.2 PPDU format selection <\/td>\n<\/tr>\n
442<\/td>\n26.15.3 MCS, NSS, BW, and DCM selection <\/td>\n<\/tr>\n
444<\/td>\n26.15.4 Rate selection constraints for HE STAs
26.15.4.1 Receive HE-MCS and NSS Set <\/td>\n<\/tr>\n
445<\/td>\n26.15.4.2 Transmit HE-MCS and NSS Set
26.15.4.3 Additional rate selection constraints for HE PPDUs <\/td>\n<\/tr>\n
446<\/td>\n26.15.4.4 Rx Supported VHT-MCS and NSS Set
26.15.5 Additional rules for ER beacons and group addressed frames
26.15.6 Additional rules for HE beacons and group addressed frames <\/td>\n<\/tr>\n
447<\/td>\n26.15.7 Additional rules for group addressed frames in an HE MU PPDU <\/td>\n<\/tr>\n
448<\/td>\n26.15.8 Additional rules for PPDUs sent in the 6 GHz band <\/td>\n<\/tr>\n
449<\/td>\n26.16 Midamble parameter setting rules <\/td>\n<\/tr>\n
450<\/td>\n26.17 HE BSS operation
26.17.1 Basic HE BSS operation <\/td>\n<\/tr>\n
453<\/td>\n26.17.2 HE BSS operation in the 6 GHz band
26.17.2.1 General <\/td>\n<\/tr>\n
455<\/td>\n26.17.2.2 Beacons in the 6 GHz band <\/td>\n<\/tr>\n
456<\/td>\n26.17.2.3 Scanning in the 6 GHz band
26.17.2.3.1 General
26.17.2.3.2 AP behavior for fast passive scanning <\/td>\n<\/tr>\n
457<\/td>\n26.17.2.3.3 Non-AP STA scanning behavior <\/td>\n<\/tr>\n
459<\/td>\n26.17.2.4 HE STA antenna indication
26.17.3 BSS color
26.17.3.1 General
26.17.3.2 Initial BSS color
26.17.3.3 Disabling BSS color <\/td>\n<\/tr>\n
460<\/td>\n26.17.3.4 Selecting and advertising a new BSS color <\/td>\n<\/tr>\n
461<\/td>\n26.17.3.5 Detecting and reporting BSS color collision
26.17.3.5.1 General
26.17.3.5.2 Autonomous reporting of BSS color collision <\/td>\n<\/tr>\n
462<\/td>\n26.17.4 AID assignment
26.17.5 Quiet HE STAs in an HE BSS
26.17.5.1 General <\/td>\n<\/tr>\n
463<\/td>\n26.17.5.2 QTP Requesting STA procedure <\/td>\n<\/tr>\n
464<\/td>\n26.17.5.3 Responding AP procedure
26.17.6 ER beacon generation in an ER BSS <\/td>\n<\/tr>\n
465<\/td>\n26.17.7 Co-hosted BSSID set <\/td>\n<\/tr>\n
466<\/td>\n27. High-efficiency (HE) PHY specification
27.1 Introduction
27.1.1 Introduction to the HE PHY <\/td>\n<\/tr>\n
471<\/td>\n27.1.2 Scope
27.1.3 HE PHY functions
27.1.3.1 General
27.1.3.2 PHY management entity (PLME)
27.1.3.3 Service specification method
27.1.4 PPDU formats <\/td>\n<\/tr>\n
472<\/td>\n27.2 HE PHY service interface
27.2.1 Introduction
27.2.2 TXVECTOR and RXVECTOR parameters <\/td>\n<\/tr>\n
489<\/td>\n27.2.3 TRIGVECTOR parameters <\/td>\n<\/tr>\n
490<\/td>\n27.2.4 PHYCONFIG_VECTOR parameters <\/td>\n<\/tr>\n
491<\/td>\n27.2.5 Effects of CH_BANDWIDTH parameter on PPDU format <\/td>\n<\/tr>\n
494<\/td>\n27.2.6 Support for non-HT, HT, and VHT formats
27.2.6.1 General <\/td>\n<\/tr>\n
495<\/td>\n27.2.6.2 Support for non-HT format <\/td>\n<\/tr>\n
497<\/td>\n27.2.6.3 Support for HT format
27.2.6.4 Support for VHT format
27.3 HE PHY
27.3.1 Introduction <\/td>\n<\/tr>\n
498<\/td>\n27.3.1.1 MU transmission
27.3.1.2 OFDMA <\/td>\n<\/tr>\n
499<\/td>\n27.3.2 Subcarrier and resource allocation
27.3.2.1 General
27.3.2.2 Resource unit, guard, and DC subcarriers <\/td>\n<\/tr>\n
505<\/td>\n27.3.2.3 Null subcarriers <\/td>\n<\/tr>\n
506<\/td>\n27.3.2.4 Pilot subcarriers
27.3.2.5 Resource indication and User identification in an HE MU PPDU <\/td>\n<\/tr>\n
507<\/td>\n27.3.2.6 Resource allocation for an HE TB PPDU
27.3.2.7 20 MHz operating non-AP HE STAs <\/td>\n<\/tr>\n
508<\/td>\n27.3.2.8 RU restrictions for 20 MHz operation <\/td>\n<\/tr>\n
509<\/td>\n27.3.2.9 80 MHz operating non-AP HE STAs
27.3.3 MU-MIMO
27.3.3.1 DL MU-MIMO
27.3.3.1.1 Supported RU sizes in DL MU-MIMO
27.3.3.1.2 Maximum number of spatial streams in an HE MU PPDU <\/td>\n<\/tr>\n
510<\/td>\n27.3.3.2 UL MU-MIMO
27.3.3.2.1 Introduction
27.3.3.2.2 Supported RU sizes in UL MU-MIMO
27.3.3.2.3 MU-MIMO HE-LTF mode <\/td>\n<\/tr>\n
511<\/td>\n27.3.3.2.4 Maximum number of spatial streams in UL MU-MIMO
27.3.4 HE PPDU formats <\/td>\n<\/tr>\n
514<\/td>\n27.3.5 Transmitter block diagram <\/td>\n<\/tr>\n
522<\/td>\n27.3.6 Overview of the PPDU encoding process
27.3.6.1 General
27.3.6.2 Construction of L-STF field <\/td>\n<\/tr>\n
523<\/td>\n27.3.6.3 Construction of L-LTF field
27.3.6.4 Construction of L-SIG field <\/td>\n<\/tr>\n
524<\/td>\n27.3.6.5 Construction of RL-SIG field
27.3.6.6 Construction of HE-SIG-A field <\/td>\n<\/tr>\n
526<\/td>\n27.3.6.7 Construction of HE-SIG-B field
27.3.6.8 Construction of HE-STF field
27.3.6.9 Construction of HE-LTF field <\/td>\n<\/tr>\n
527<\/td>\n27.3.6.10 Construction of the Data field in an HE SU PPDU, HE ER SU PPDU, and HE TB PPDU
27.3.6.10.1 Using BCC
27.3.6.10.2 Using LDPC <\/td>\n<\/tr>\n
528<\/td>\n27.3.6.11 Construction of the Data field in an HE MU PPDU
27.3.6.11.1 General
27.3.6.11.2 Using BCC
27.3.6.11.3 Using LDPC <\/td>\n<\/tr>\n
529<\/td>\n27.3.6.11.4 Combining to form an HE MU PPDU
27.3.7 HE modulation and coding schemes (HE-MCSs)
27.3.8 HE-SIG-B modulation and coding schemes (HE-SIG-B-MCSs)
27.3.9 Timing-related parameters <\/td>\n<\/tr>\n
534<\/td>\n27.3.10 Mathematical description of signals <\/td>\n<\/tr>\n
540<\/td>\n27.3.11 HE preamble
27.3.11.1 Introduction
27.3.11.2 Cyclic shift
27.3.11.2.1 Cyclic shift for pre-HE modulated fields
27.3.11.2.2 Cyclic shift for HE modulated fields <\/td>\n<\/tr>\n
541<\/td>\n27.3.11.3 L-STF field <\/td>\n<\/tr>\n
542<\/td>\n27.3.11.4 L-LTF field <\/td>\n<\/tr>\n
543<\/td>\n27.3.11.5 L-SIG field <\/td>\n<\/tr>\n
545<\/td>\n27.3.11.6 RL-SIG field <\/td>\n<\/tr>\n
546<\/td>\n27.3.11.7 HE-SIG-A field
27.3.11.7.1 General
27.3.11.7.2 Content <\/td>\n<\/tr>\n
557<\/td>\n27.3.11.7.3 CRC computation <\/td>\n<\/tr>\n
558<\/td>\n27.3.11.7.4 Encoding and modulation <\/td>\n<\/tr>\n
560<\/td>\n27.3.11.8 HE-SIG-B field
27.3.11.8.1 General
27.3.11.8.2 HE-SIG-B content channels <\/td>\n<\/tr>\n
561<\/td>\n27.3.11.8.3 Common field <\/td>\n<\/tr>\n
567<\/td>\n27.3.11.8.4 User Specific field <\/td>\n<\/tr>\n
573<\/td>\n27.3.11.8.5 Encoding and modulation <\/td>\n<\/tr>\n
576<\/td>\n27.3.11.9 HE-STF field <\/td>\n<\/tr>\n
580<\/td>\n27.3.11.10 HE-LTF field <\/td>\n<\/tr>\n
595<\/td>\n27.3.12 Data field
27.3.12.1 General <\/td>\n<\/tr>\n
596<\/td>\n27.3.12.2 Pre-FEC padding process <\/td>\n<\/tr>\n
598<\/td>\n27.3.12.3 SERVICE field
27.3.12.4 Scrambler <\/td>\n<\/tr>\n
599<\/td>\n27.3.12.5 Coding
27.3.12.5.1 BCC coding and puncturing <\/td>\n<\/tr>\n
600<\/td>\n27.3.12.5.2 LDPC coding <\/td>\n<\/tr>\n
601<\/td>\n27.3.12.5.3 Post-FEC padding
27.3.12.5.4 Encoding process for an HE MU PPDU <\/td>\n<\/tr>\n
603<\/td>\n27.3.12.5.5 Encoding process for an HE TB PPDU <\/td>\n<\/tr>\n
604<\/td>\n27.3.12.6 Stream parser <\/td>\n<\/tr>\n
605<\/td>\n27.3.12.7 Segment parser
27.3.12.8 BCC interleavers <\/td>\n<\/tr>\n
606<\/td>\n27.3.12.9 Constellation mapping <\/td>\n<\/tr>\n
609<\/td>\n27.3.12.10 LDPC tone mapper <\/td>\n<\/tr>\n
611<\/td>\n27.3.12.11 Segment deparser <\/td>\n<\/tr>\n
612<\/td>\n27.3.12.12 Space-time block coding
27.3.12.13 Pilot subcarriers <\/td>\n<\/tr>\n
617<\/td>\n27.3.12.14 OFDM modulation <\/td>\n<\/tr>\n
618<\/td>\n27.3.12.15 Dual carrier modulation
27.3.12.16 Midambles <\/td>\n<\/tr>\n
620<\/td>\n27.3.13 Packet extension <\/td>\n<\/tr>\n
624<\/td>\n27.3.14 Non-HT duplicate transmission <\/td>\n<\/tr>\n
625<\/td>\n27.3.15 Transmit requirements for PPDUs sent in response to a triggering frame
27.3.15.1 Introduction
27.3.15.2 Power pre-correction <\/td>\n<\/tr>\n
626<\/td>\n27.3.15.3 Pre-correction accuracy requirements <\/td>\n<\/tr>\n
628<\/td>\n27.3.16 SU-MIMO and DL MU-MIMO beamforming
27.3.16.1 General
27.3.16.2 Beamforming feedback matrix V <\/td>\n<\/tr>\n
629<\/td>\n27.3.16.3 CQI feedback
27.3.17 HE sounding NDP <\/td>\n<\/tr>\n
630<\/td>\n27.3.18 HE TB feedback NDP
27.3.19 Transmit specification
27.3.19.1 Transmit spectral mask <\/td>\n<\/tr>\n
635<\/td>\n27.3.19.2 Spectral flatness <\/td>\n<\/tr>\n
636<\/td>\n27.3.19.3 Transmit center frequency and symbol clock frequency tolerance
27.3.19.4 Modulation accuracy
27.3.19.4.1 Introduction to modulation accuracy tests <\/td>\n<\/tr>\n
637<\/td>\n27.3.19.4.2 Transmit center frequency leakage
27.3.19.4.3 Transmitter constellation error <\/td>\n<\/tr>\n
638<\/td>\n27.3.19.4.4 Transmitter modulation accuracy (EVM) test <\/td>\n<\/tr>\n
643<\/td>\n27.3.20 Receiver specification
27.3.20.1 General
27.3.20.2 Receiver minimum input sensitivity <\/td>\n<\/tr>\n
644<\/td>\n27.3.20.3 Adjacent channel rejection <\/td>\n<\/tr>\n
645<\/td>\n27.3.20.4 Nonadjacent channel rejection
27.3.20.5 Receiver maximum input level
27.3.20.6 CCA sensitivity
27.3.20.6.1 General
27.3.20.6.2 CCA sensitivity for operating classes requiring CCA-ED <\/td>\n<\/tr>\n
646<\/td>\n27.3.20.6.3 CCA sensitivity for the primary 20 MHz channel <\/td>\n<\/tr>\n
647<\/td>\n27.3.20.6.4 CCA sensitivity for signals not occupying the primary 20 MHz channel <\/td>\n<\/tr>\n
648<\/td>\n27.3.20.6.5 Per 20 MHz CCA sensitivity
27.3.21 HE transmit procedure <\/td>\n<\/tr>\n
653<\/td>\n27.3.22 HE receive procedure <\/td>\n<\/tr>\n
659<\/td>\n27.3.23 Channel numbering
27.3.23.1 General <\/td>\n<\/tr>\n
660<\/td>\n27.3.23.2 Channel allocation in the 6 GHz band
27.3.24 Regulatory requirements
27.4 HE PLME
27.4.1 PLME_SAP sublayer management primitives <\/td>\n<\/tr>\n
665<\/td>\n27.4.2 PHY MIB
27.4.3 TXTIME and PSDU_LENGTH calculation <\/td>\n<\/tr>\n
669<\/td>\n27.4.4 HE PHY <\/td>\n<\/tr>\n
670<\/td>\n27.5 Parameters for HE-MCSs
27.5.1 General
27.5.2 HE-MCSs for 26-tone RU <\/td>\n<\/tr>\n
675<\/td>\n27.5.3 HE-MCSs for 52-tone RU <\/td>\n<\/tr>\n
680<\/td>\n27.5.4 HE-MCSs for 106-tone RU <\/td>\n<\/tr>\n
685<\/td>\n27.5.5 HE-MCSs for 242-tone RU <\/td>\n<\/tr>\n
690<\/td>\n27.5.6 HE-MCSs for 484-tone RU <\/td>\n<\/tr>\n
695<\/td>\n27.5.7 HE-MCSs for 996-tone RU <\/td>\n<\/tr>\n
700<\/td>\n27.5.8 HE-MCSs for 2\u00d7996-tone RU <\/td>\n<\/tr>\n
705<\/td>\n27.6 Parameters for HE-SIG-B-MCSs <\/td>\n<\/tr>\n
706<\/td>\nAnnex B (normative) Protocol Implementation Conformace Statement (PICS) proforma
B.4 PICS proforma\u2014IEEE Std 802.11-2020
B.4.3 IUT configuration <\/td>\n<\/tr>\n
707<\/td>\nB.4.4 MAC protocol
B.4.4.1 MAC protocol capabilities
B.4.4.2 MAC frames <\/td>\n<\/tr>\n
708<\/td>\nB.4.12 QoS base functionality
B.4.33 High-efficiency (HE) features
B.4.33.1 HE MAC features <\/td>\n<\/tr>\n
710<\/td>\nB.4.33.2 HE PHY features <\/td>\n<\/tr>\n
716<\/td>\nAnnex C (normative) ASN.1 encoding of the MAC and PHY MIB
C.3 MIB detail <\/td>\n<\/tr>\n
751<\/td>\nAnnex D (normative) Regulatory references
D.1 External regulatory references <\/td>\n<\/tr>\n
752<\/td>\nAnnex E (normative) Country elements and operating classes
E.1 Country information and operating classes <\/td>\n<\/tr>\n
754<\/td>\nE.2 Band-specific operating requirements
E.2.7 6 GHz band in the United States <\/td>\n<\/tr>\n
756<\/td>\nAnnex G (normative) Frame exchange sequences
G.1 General
G.4 HT, VHT, and S1G sequences
G.5 HE sequences <\/td>\n<\/tr>\n
758<\/td>\nAnnex T (informative) Overlapping BSS (OSSS) management
T.1 Introduction
T.6 BSS color and spatial reuse <\/td>\n<\/tr>\n
759<\/td>\nAnnex Z (informative) HE-SIG-B content examples
Z.1 General
Z.2 Example 1 <\/td>\n<\/tr>\n
761<\/td>\nZ.3 Example 2 <\/td>\n<\/tr>\n
762<\/td>\nZ.4 Example 3 <\/td>\n<\/tr>\n
763<\/td>\nZ.5 Example 4 <\/td>\n<\/tr>\n
764<\/td>\nAnnex AA (informative) Multiple BSSID configuration examples
AA.1 Introduction
AA.2 Examples <\/td>\n<\/tr>\n
767<\/td>\nBack Cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Standard for Information Technology–Telecommunications and Information Exchange between Systems Local and Metropolitan Area Networks–Specific Requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 1: Enhancements for High-Efficiency WLAN<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2021<\/td>\n767<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":400510,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-400509","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/400509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/400510"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=400509"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=400509"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=400509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}