802.11ay ============ .. toctree:: :maxdepth: 1 :hidden: :includehidden: 802_11ay/802_11ay 802_11ay/mac_functions 802_11ay/mac_timings 802_11ay/packet_formats 802_11ay/power_save 802_11ay/interoperability 802_11ay/physical_rates 802_11ay/ppdu IEEE 802.11ay is a high-throughput Wi-Fi standard that operates in the 60 GHz mmWave band, enabling multi-gigabit wireless communication with support for MIMO and channel bonding. .. list-table:: :widths: 20 60 20 :header-rows: 1 * - Category - Description - Use Case * - MAC Functions - Enhanced MAC functionalities for directional communication, beamforming coordination, and channel access in the 60 GHz band. - Managing high-throughput directional links and coordination among multiple stations * - MAC Timings - Precise timing for beamforming training, TRN (Training) sequences, and scheduled access periods. - Ensuring synchronization and efficient medium access in mmWave networks * - Packet Formats - Frame structures tailored for high-speed 60 GHz transmission, including sector-level sweep (SLS) and beam refinement protocol (BRP) frames. - Supporting beam training, alignment, and fast data exchange * - Power Save - Power-saving techniques adapted for directional and scheduled transmissions, reducing active radio time. - Improving battery life in devices using directional mmWave communication * - Interoperability - Ensures backward compatibility with 802.11ad and coexistence with other 60 GHz wireless systems. - Seamless transition between legacy 802.11ad and newer 802.11ay devices * - Physical Rates - Multi-gigabit rates using wider channels (2.16 GHz) and MIMO over mmWave; supports channel bonding. - Enabling ultra-high-speed wireless backhaul and VR/AR applications * - PPDU - 802.11ay PPDU structure includes extended headers, MIMO fields, and advanced training sequences. - Facilitates reliable and efficient transmission in dense, high-speed wireless environments .. tab-set:: .. tab-item:: 802.11ay MAC Functions **Standard:** IEEE 802.11ay (2021) **Main Features:** - Extends 802.11ad MAC to support MIMO, channel bonding, and higher throughput - Introduces support for multi-station beamforming and coordinated transmission - Enhances directional communication via advanced beam tracking and refinement - Implements scheduled access periods and polling mechanisms for QoS - Supports relay operations and mesh networking in mmWave environments - Optimized for ultra-high-speed and low-latency applications in 60 GHz band **Use Cases:** - Managing high-throughput mmWave links in wireless backhaul and VR/AR scenarios - Coordinating transmissions in dense directional networks - Supporting low-latency streaming and edge device communication **Related Functions:** - Beamforming training and tracking - Channel access using Service Periods and polling - Relay coordination and directional forwarding - Enhanced QoS management and link adaptation .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay MAC Functions:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`mac_functions Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/mac_functions.html :color: primary :shadow: :expand: Jump to "802.11ay MAC Functions" .. tab-set:: .. tab-item:: 802.11ay MAC Timings **Standard:** IEEE 802.11ay (2021) **Main Features:** - Enhances timing mechanisms introduced in 802.11ad for directional mmWave communication - Uses scheduled Service Periods (SP) to minimize contention and improve efficiency - Reduces reliance on contention-based access through polling and scheduled access - Maintains strict timing synchronization for beamforming and directional transmissions - Enables dynamic adjustments of timing parameters to optimize link performance - Coordinates precise TX/RX alignment for low-latency, high-throughput applications **Use Cases:** - Supporting real-time VR/AR and 8K video streaming in the 60 GHz band - Enabling low-latency communication for wireless backhaul and mesh networks - Improving spectral efficiency in dense wireless deployments **Related Timing Parameters:** - Scheduled Service Period (SP) timing - Beamforming training intervals and tracking periods - Contention-based and contention-free access window management - Timer synchronization for relay and MIMO operations .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay MAC Timings:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`mac_timings Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/mac_timings.html :color: primary :shadow: :expand: Jump to "802.11ay MAC Timings" .. tab-set:: .. tab-item:: 802.11ay Packet Formats **Standard:** IEEE 802.11ay (2021) **Main Features:** - Builds on 802.11ad frame structure with extensions for MIMO and channel bonding - Introduces new Control and Data frame formats optimized for 60 GHz operation - Frame Control fields include mmWave-specific capabilities and directionality indicators - Supports multi-user frames and extended addressing for relay and mesh scenarios - Enables channel aggregation across 2.16 GHz and 4.32 GHz bandwidths - Backward compatible with 802.11ad for coexistence and smooth transition **Use Cases:** - High-throughput short-range wireless links for VR/AR, 8K video streaming - Structured frame exchange in relay-based and mesh mmWave topologies - Efficient data transport in dense environments using MU-MIMO and scheduling **Related Frame Types:** - Extended control frames for beamforming and sector-level sweep - Management frames supporting relay and channel bonding - Data frames with high-efficiency aggregation and QoS support .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay Packet Formats:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`packet_formats Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/packet_formats.html :color: primary :shadow: :expand: Jump to "802.11ay Packet Formats" .. tab-set:: .. tab-item:: 802.11ay Power Saving Mechanisms **Standard:** IEEE 802.11ay (2021) **Main Features:** - Introduces advanced power-saving techniques for mmWave (60 GHz) environments - Supports Wakeup Scheduling for scheduled service periods and low duty cycles - Enhances PSM with directional communication support using beamforming - Enables device sleep during unused slots in scheduled access (TDMA) - Integrates with relay and mesh topologies to optimize power usage in multihop paths - Minimizes power consumption during idle listening and scanning phases **Use Cases:** - Battery-efficient operation for high-throughput wearable and AR/VR devices - Smart power management in relay-based mmWave mesh networks - Energy conservation in dense urban or industrial environments using 802.11ay **Related Mechanisms:** - Scheduled Service Periods (SSPs) - Beamformed TIM and DTIM support - Sleep scheduling in relay nodes - Directional NAV (Network Allocation Vector) and TWT-like mechanisms .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay Power Saving mechanisms:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`power_save Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/power_save.html :color: primary :shadow: :expand: Jump to "802.11ay Power Saving" .. tab-set:: .. tab-item:: 802.11ay Interoperability **Standard:** IEEE 802.11ay (2021) **Main Features:** - Ensures interoperability among 60 GHz mmWave devices from different vendors - Backward compatible with 802.11ad through dual-mode (ay/ad) device support - Maintains common MAC and PHY frame structures for seamless communication - Introduces standardized beamforming and channel access coordination - Supports interoperation in dense environments with directional and spatial reuse - Uses standardized control, management, and discovery mechanisms for multiband operation **Use Cases:** - Multi-vendor 60 GHz wireless deployments for AR/VR and high-speed streaming - Seamless device communication across 802.11ad and 802.11ay devices - Mesh networking and relay operation in mmWave environments with heterogeneous devices **Related Mechanisms:** - Beamformed training and feedback standardization - Common PHY frame formats across 802.11ad and 802.11ay - Control signaling for relay and multi-hop coordination - Enhanced management frames for discovery and association .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay Interoperability mechanisms:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`interoperability Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/interoperability.html :color: primary :shadow: :expand: Jump to "802.11ay Interoperability" .. tab-set:: .. tab-item:: 802.11ay Physical Rates **Standard:** IEEE 802.11ay (2021) **Main Features:** - Supports ultra-high physical data rates up to 176 Gbps with channel bonding - Uses Single Carrier (SC) and Orthogonal Frequency Division Multiplexing (OFDM) PHY modes - Supports MIMO configurations (up to 8 streams) for spatial multiplexing - Enables channel bonding of 2, 3, or 4 channels of 2.16 GHz each - Employs advanced Modulation and Coding Schemes (MCS), including up to 64-QAM - Operates in the 60 GHz mmWave band for short-range, high-bandwidth communication **Use Cases:** - Wireless backhaul and fronthaul in 5G and enterprise networks - High-throughput applications like 8K video streaming, VR/AR, and data centers - Fixed wireless access and short-range high-speed device connectivity **Related Concepts:** - Channel bonding and aggregation - MIMO spatial streams and beamforming - High-order MCS and adaptive modulation - SC and OFDM transmission modes .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay Physical Rates:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`physical_rates Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/physical_rates.html :color: primary :shadow: :expand: Jump to "802.11ay Physical Rates" .. tab-set:: .. tab-item:: 802.11ay PPDU **Standard:** IEEE 802.11ay (2021) **Main Features:** - Defines advanced Physical Protocol Data Unit (PPDU) structures for mmWave transmissions - Supports multiple PHY modes: Control, SC (Single Carrier), and OFDM - Includes preamble components for beamforming training and synchronization - Supports channel bonding and aggregation (up to 4 × 2.16 GHz) - Contains extended header fields for MIMO signaling and beam tracking - Enables high-throughput and directional transmissions in the 60 GHz band **Use Cases:** - Enabling ultra-high-speed wireless data transfer using mmWave technology - Supporting short-range, high-bandwidth applications like VR/AR and 8K streaming - Synchronizing beamformed links between multiple antennas in MIMO setups **Related Concepts:** - SC and OFDM PHY structures - TRN (Training) fields for beam refinement - Extended headers for MIMO and multi-user support - Channel bonding and interleaving techniques .. panels:: :container: container pb-4 :column: col-lg-12 p-2 :card: What You Will Learn in This Section **Explore the details of 802.11ay PPDU:** * :ref:`Learnings in this section ` * :ref:`Terminology ` * :ref:`Version Info ` * :ref:`ppdu Basic Setup on Ubuntu using IPv4 ` * :ref:`Reference links ` .. button-link:: ./802_11ay/ppdu.html :color: primary :shadow: :expand: Jump to "802.11ay PPDU"