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IEEE 802.11ba: Ultra-Low Power Wake-up Radio Standard

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IEEE 802.11ba

Discover the latest developments in IEEE 802.11ba and Wake-up Radios

In IEEE 802.11ba: Ultra-Low Power Wake-up Radio Standard, expert engineers Drs. Steve Shellhammer, Alfred Asterjadhi, and Yanjun Sun deliver a detailed discussion of the IEEE 802.11ba standard. The book begins by explaining the concept of a wake-up radio (WUR) and how it fits into the overall 802.11 standard, as well as how a WUR saves power and extends battery life.

The authors go on to describe the medium access control (MAC) layer in detail and then talk about the various protocols used to negotiate WUR operation, its uses for different functionalities (like wake up of the main radio, discovery, synchronization, and security).

The book offers a detailed description of the physical (PHY) layer packet construction and the rationale for the design, as well as the various design aspects of the medium access control layer. It also includes:

  • A thorough introduction to the motivations driving the development of the WUR in 802.11
  • Practical overviews of IEEE 802.11, including the basic concepts of 802.11 (the PHY and MAC) and background material on current low power modes
  • Comprehensive discussions of the physical layer and PHY layer performance, including the generic receiver, the PPDU, Transmit Diversity, and the FDMA mode
  • In-depth examinations of the medium access layer and its frame designs

Perfect for professional wireless engineers, IEEE 802.11ba: Ultra-Low Power Wake-up Radio Standard will also earn a place in the libraries of academics and students researching and studying in fields involving wireless communications.

Author(s): Steve Shellhammer, Alfred Asterjadhi, Yanjun Sun
Publisher: Wiley-IEEE Press
Year: 2023

Language: English
Pages: 185
City: Piscataway

Cover
Title Page
Copyright Page
Contents
Author Biography
Chapter 1 Introduction
1.1 Background
1.2 Overview
1.3 Book Outline
Chapter 2 Overview of IEEE 802.11
2.1 Introduction
2.2 Overview of the IEEE 802.11 PHY Layer
2.2.1 Operating Frequencies and Bandwidths
2.2.2 OFDM
2.2.3 OFDM PPDU
2.3 Overview of IEEE 802.11 MAC Layer
2.3.1 Network Discovery
2.3.2 Connection Setup
2.3.3 Coordinated Wireless Medium Access
2.3.4 Enhanced Distributed Channel Access
2.3.5 Security
2.3.6 Time Synchronization
2.3.7 Power-Saving Mechanisms
2.3.8 Orthogonal Frequency Division Multiple Access (OFDMA)
2.4 Conclusions
References
Chapter 3 Wake-up Radio Concept
3.1 Introduction
3.2 Primary Sources of Power Consumption in an IEEE 802.11 Station
3.2.1 Power Consumption in Transmit Mode
3.2.2 Power Consumption in Receive Mode
3.2.3 Power Consumption in Sleep Mode
3.2.4 Power Consumption in Deep Sleep Mode
3.3 Wake-up Radio Concept
3.4 Example of Power Consumption Using a Wake-up Radio
3.5 Selection of Duty Cycle Values
3.6 Conclusions
Chapter 4 Physical Layer Description
4.1 Introduction
4.2 Requirements
4.3 Regulations
4.4 Link Budget Considerations
4.5 Modulation
4.6 Physical Layer Protocol Data Unit (PPDU) Structure
4.6.1 Non-WUR Portion of PPDU
4.6.2 Sync Field
4.6.3 Data Field
4.7 Symbol Randomization
4.8 FDMA Operation
4.8.1 40 MHz FDMA
4.8.2 80 MHz FDMA
4.9 Additional Topics
4.10 Conclusions
References
Chapter 5 Physical Layer Performance
5.1 Introduction
5.2 Generic Non-coherent Receiver
5.3 Simulation Description
5.3.1 Transmitter Model
5.3.2 MC-OOK Symbol Waveform Generation
5.3.3 Channel Model
5.3.4 Receiver Model
5.3.5 Performance Metrics
5.4 PHY Performance: Simulation Results
5.4.1 Sync Field Detection Rate
5.4.2 Sync Field Classification Error Rate
5.4.3 Sync Field Timing Error
5.4.4 Packet Error Rate
5.4.5 Effects of Transmit Diversity
5.5 Link Budget Comparison
5.5.1 Comparison to the 6 Mb/s OFDM PHY
5.5.2 Comparison to the 1 Mb/s Non-OFDM PHY
5.6 Conclusions
References
Chapter 6 Wake-up Radio Medium Access Control
6.1 Introduction
6.2 Network Discovery
6.2.1 General
6.2.2 WUR Discovery
6.3 Connectivity and Synchronization
6.3.1 General
6.3.2 WUR Beacon Frame Generation
6.3.3 WUR Beacon Frame Processing
6.4 Power Management
6.4.1 General
6.4.1.1 MR Power Management
6.4.1.2 WUR Power Management
6.4.2 WUR Modes
6.4.2.1 WUR Mode Setup
6.4.2.2 WUR Mode Update
6.4.2.3 WUR Mode Suspend and Resume
6.4.2.4 WUR Mode Teardown
6.4.3 Duty Cycle Operation
6.4.3.1 WUR Duty Cycle Period
6.4.3.2 WUR Duty Cycle Service Period
6.4.3.3 WUR Duty Cycle Start Time
6.4.4 WUR Wake Up Operation
6.4.4.1 Individual DL BU Delivery Context
6.4.4.2 Group Addressed DL BU Delivery Context
6.4.4.3 Critical BSS Update Delivery Context
6.4.5 Use of WUR Short Wake-up Frames
6.4.6 Keep Alive Frames
6.5 Frequency Division Multiple Access
6.6 Protected Wake-up Frames
6.7 Conclusion
Chapter 7 Medium Access Control Frame Design
7.1 Introduction
7.2 Information Elements
7.2.1 General
7.2.2 Elements Supporting MR Functionalities
7.2.2.1 DSSS Parameter Set Element
7.2.2.2 EDCA Parameter Set Element
7.2.2.3 Channel Switch Announcement Element
7.2.2.4 Extended Channel Switch Announcement Element
7.2.2.5 HT Operation Element
7.2.2.6 VHT Operation Element
7.2.2.7 Wide Bandwidth Channel Switch Element
7.2.2.8 Channel Switch Wrapper Element
7.2.2.9 HE Operation Element
7.2.3 Elements Supporting WUR Functionalities
7.2.3.1 WUR Capabilities Element
7.2.3.2 WUR Operation Element
7.2.3.3 WUR Mode Element
7.2.3.4 WUR Discovery Element
7.2.3.5 WUR PN Update Element
7.3 Main Radio MAC Frames
7.3.1 Beacon Frame
7.3.2 Probe Request/Response Frames
7.3.3 (Re)Association Request/Response Frames
7.3.4 Action Frames
7.4 WUR MAC Frames
7.4.1 WUR Beacon Frame
7.4.2 WUR Wake-up Frame
7.4.3 WUR Discovery Frame
7.4.4 WUR Vendor-Specific Frame
7.4.5 WUR Short Wake-up Frame
7.5 Conclusion
Index
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