Price: $1,799.00
Length: 2 Days
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802.11ah Training, 11ah

802.11ah Training , covers 11.ah or IEEE 802.11ah new PHY and MAC. 802.11ah is designed to operate in the sub-one-gigahertz (900MHz) band supporting extended range Wi-Fi, and the Internet-of-everything (IoE). Learn how  802.11ah PHY and MAC are optimized for extended range, power efficiency, and scalable operation. The new 11ah design enhances link-budget and coverage compared to 2.4GHz technologies. 802.11ah can also support channels with 4, 8, and 16 MHz bandwidth for higher-data rate applications.

802.11ah supports mandatory and globally interoperable 1 and 2 MHz bandwidth modes to support Wi-Fi new business use cases such as IoE, home automation, smart home, smart grid, smart city, wearable consumer electronics, low-power sensors, and other enhanced applications.

Topics Included:

Introduction to 802.11ah

  • IEEE 802.11ah basics
  • IEEE 802.11 use cases
  •  IoE, home automation, smart grid, automotive, wearable consumer electronics, and low-power sensors
  • Principles behind Internet of Things (IoT) is Machine to Machine (M2M) communications.
  • Global ISM allocation applicable to 802.11ah
  • 802.11ah vs. Zigbee, 802.15.4, 6LoWPAN, Bluetooth, BLE, traditional Wi-Fi, or proprietary radio solutions
  • 802.11ah requirements and features
  • Transmission range and data rates
  • One-hop network topologies
  • Short and infrequent data transmissions
  • 11ah PHY / radio interface
  • Support for large number of stations
  • TIM stations
  • Non-TIM stations

Specification Framework

  • mate number of people expected to be actively involved in the development of this project: 50
    5.2 Scope: This amendment defines an Orthogonal Frequency Division Multiplexing (OFDM) Physical layer (PHY) operating in the
    license-exempt bands below 1 GHz, e.g., 868-868.6 MHz (Europe), 950 MHz -958 MHz (Japan), 314-316 MHz, 430-434 MHz,
    470-510 MHz, and 779-787 MHz (China), 917 – 923.5 MHz (Korea) and 902-928 MHz (USA), and enhancements to the IEEE 802.11
    Medium Access Control (MAC) to support this PHY, and provides mechanisms that enable coexistence with other systems in the
    bands including IEEE 802.15.4 and IEEE P802.15.4g.
    The data rates defined in this amendment optimize the rat

IEEE 802.11ah new PHY and MAC

  • sub-one-gigahertz (900MHz) band issues
  • 802.11ah support for extended range Wi-Fi, and the Internet-of-everything (IoE)
  • 802.11ah PHY and MAC optimization
  • Extended range, power efficiency, and scalable operation
  • 802.11ah link-budget compared to 2.4GHz technologies
  • 802.11ah mandatory and globally interoperable 1 and 2 MHz bandwidth modes
  • 4, 8, and 16 MHz bandwidths for higher-data rate applications

802.11ah Specification Development Process

  • Analysis of Use Cases
  • Use Case 1 : Sensors and meters
  • Use Case 2 : Backhaul Sensor and meter data
  • Use Case 3 : Extended range Wi-Fi
  • Smart Grid – Meter to Pole
  • Environmental/Agricultural Monitoring
  • Industrial process sensors
  • Healthcare
  • Home/Building Automation
  • Home sensors
  • Smart city

802.11ah Channel Model

  • The 4G Urban Micro/Macro channels
  • Urban Micro deployments
  • Urban/Suburban Macro deployments
  • Models
  • Urban Micro (UMi)
  • SMa – Suburban Macro
  •  UMa – Urban Macro
  •  InH – Indoor Hotspot
  • RMa – Rural Macro
  • LoS – Line of Sight
  • NLoS – Non Line of Sight
  • O-to-I – Outdoor to Indoor
  • Spatial Channel Model (SCM)
  • Outdoor Path Loss Models
  • Outdoor Device to Device Models
  • Indoor MIMO Channel Models

802.11ah Requirements

  • Functional Requirements
  • System Performance
  •  Supporting band
  • License-exempt band below 1 GHz excluding
  • TV White Space bands
  • 863-868.6 MHz (Europe)
  • 950.8 MHz -957.6 MHz (Japan)
  • 314-316 MHz, 430-434 MHz430-432 MHz, 433.00-434.79 MHz , 470-510 MHz and 779-787 MHz (China)
  • 917 – 923.5 MHz (Korea)
  • 902-928 MHz (USA)
  • Coverage and data rate
  • Coexistence with 802.15.4 and 802.15.4g devices
  •  Enhanced Power Saving

802.11ah Implementation and  Interoperability

  • 802.11ah  interoperability issues across vendors
  • 802.11ah PHY and MAC design, enhancements and architecture
  • 802.11ah PHY channelization and channel models (902 MHz – 928 MHz)
  • 802.11ah Sub 1 GHz spectra channelization
  • 802.11ah extension for higher ranges compared to traditional Wi-Fi  limited range of 2.4 and 5 GHz
  • Propagation and penetration models of  900MHz RF going through walls and other indoor and outdoor obstructions.
  • 802.11ah AP software and hardware architecture
  • Transmission Modes
  • 2 MHz modes, i.e., 2 MHz, 4 MHz
  • 8 MHz, and 16 MHz transmissions
  • Orthogonal Frequency Division Multiplexing (OFDM)
  • Multi Input Multi Output (MIMO)
  • Downlink Multi-User MIMO (DL MU-MIMO
  • 20 MHz, 40 MHz, 80 MHz, and 160 MHz channels
  • 802.11ah power control and usage using lower power MAC protocols features such as smaller frame formats, sensor traffic priority, and beaconless paging mode.
  • 802.11ah MAC  efficient paging and scheduled transmissions
  • 802.11ah MAC throughput enhancements
  • Compact MAC header format
  • The QoS and High Throughput, HT fields
  • Lack of channel access delay and ACK transmission overhead
  • 802.11ah MCSs and data rates for 2 MHz channel
  • MAC power saving and channel access
  • Target Wake Time and Restricted Access Window (RAW)
  • Bi Directional TXOP
  • Sectorization
  • 802.11ah performance evaluation

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