Steve Shellhammer, Alfred Asterjadhi, Yanjun Sun

IEEE 802.11ba

Ultra-Low Power Wake-Up Radio Standard

• Broschiertes Buch

Produktbeschreibung

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 introductionto 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.

---

Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.

Produktdetails

• Verlag: Wiley & Sons / Wiley-IEEE Press
• Artikelnr. des Verlages: 1W119670950
• 1. Auflage
• Seitenzahl: 192
• Erscheinungstermin: 25. Januar 2023
• Englisch
• Abmessung: 229mm x 152mm x 11mm
• Gewicht: 283g
• ISBN-13: 9781119670957
• ISBN-10: 1119670950
• Artikelnr.: 60976687

Autorenporträt

Steve Shellhammer, PhD, is a Principal Engineer and Manager in the Qualcomm's Wireless Research and Development division. He is a Senior Member of IEEE, acting as Chair of the IEEE 802.19 working group on wireless coexistence and as a member of the IEEE 802 Executive Committee. Alfred Asterjadhi, PhD, is a Systems Engineer in the Qualcomm's Wireless Research and Development division and focuses on the design, standardization, and performance evaluation of MAC protocols in wireless systems. He is a Senior Member of IEEE, Task Group Chair of IEEE 802.11be, and an active contributor to IEEE 802.11 standards and Wi-Fi Alliance activities. Yanjun Sun, PhD, is a Senior Staff Engineer in the Qualcomm's Wireless Research and Development division, working on new IEEE 802.11 standards. He received his PhD degree in computer science from Rice University and was a research engineer in the DSP systems R&D center at Texas Instruments before joining Qualcomm.

Inhaltsangabe

Author Biography xi

1 Introduction 1

1.1 Background 1

1.2 Overview 3

1.3 Book Outline 5

2 Overview of IEEE 802.11 9

2.1 Introduction 9

2.2 Overview of the IEEE 802.11 PHY Layer 10

2.2.1 Operating Frequencies and Bandwidths 10

2.2.2 Ofdm 11

2.2.3 Ofdm Ppdu 12

2.3 Overview of IEEE 802.11 MAC Layer 16

2.3.1 Network Discovery 16

2.3.2 Connection Setup 18

2.3.3 Coordinated Wireless Medium Access 19

2.3.4 Enhanced Distributed Channel Access 20

2.3.5 Security 20

2.3.6 Time Synchronization 21

2.3.7 Power- Saving Mechanisms 21

2.3.8 Orthogonal Frequency Division Multiple Access (ofdma) 23

2.4 Conclusions 24

References 24

3 Wake- up Radio Concept 25

3.1 Introduction 25

3.2 Primary Sources of Power Consumption in an IEEE 802.11 Station 26

3.2.1 Power Consumption in Transmit Mode 26

3.2.2 Power Consumption in Receive Mode 28

3.2.3 Power Consumption in Sleep Mode 30

3.2.4 Power Consumption in Deep Sleep Mode 30

3.3 Wake- up Radio Concept 31

3.4 Example of Power Consumption Using a Wake- up Radio 37

3.5 Selection of Duty Cycle Values 39

3.6 Conclusions 42

4 Physical Layer Description 43

4.1 Introduction 43

4.2 Requirements 45

4.3 Regulations 47

4.4 Link Budget Considerations 50

4.5 Modulation 53

4.6 Physical Layer Protocol Data Unit (PPDU) Structure 55

4.6.1 Non- WUR Portion of PPDU 55

4.6.2 Sync Field 58

4.6.3 Data Field 61

4.7 Symbol Randomization 62

4.8 FDMA Operation 66

4.8.1 40 MHz FDMA 66

4.8.2 80 MHz FDMA 67

4.9 Additional Topics 67

4.10 Conclusions 68

References 68

5 Physical Layer Performance 73

5.1 Introduction 73

5.2 Generic Non- coherent Receiver 73

5.3 Simulation Description 75

5.3.1 Transmitter Model 76

5.3.2 MC- OOK Symbol Waveform Generation 76

5.3.3 Channel Model 77

5.3.4 Receiver Model 79

5.3.5 Performance Metrics 80

5.4 PHY Performance: Simulation Results 81

5.4.1 Sync Field Detection Rate 82

5.4.2 Sync Field Classification Error Rate 83

5.4.3 Sync Field Timing Error 85

5.4.4 Packet Error Rate 88

5.4.5 Effects of Transmit Diversity 88

5.5 Link Budget Comparison 92

5.5.1 Comparison to the 6 Mb/s OFDM PHY 93

5.5.2 Comparison to the 1 Mb/s Non-OFDM PHY 94

5.6 Conclusions 95

References 95

6 Wake- up Radio Medium Access Control 97

6.1 Introduction 97

6.2 Network Discovery 97

6.2.1 General 97

6.2.2 WUR Discovery 98

6.3 Connectivity and Synchronization 102

6.3.1 General 102

6.3.2 WUR Beacon Frame Generation 102

6.3.3 WUR Beacon Frame Processing 104

6.4 Power Management 105

6.4.1 General 105

6.4.1.1 MR Power Management 105

6.4.1.2 WUR Power Management 106

6.4.2 WUR Modes 108

6.4.2.1 WUR Mode Setup 108

6.4.2.2 WUR Mode Update 110

6.4.2.3 WUR Mode Suspend and Resume 111

6.4.2.4 WUR Mode Teardown 111

6.4.3 Duty Cycle Operation 112

6.4.3.1 WUR Duty Cycle Period 113

6.4.3.2 WUR Duty Cycle Service Period 114

6.4.3.3 WUR Duty Cycle Start Time 114

6.4.4 WUR Wake Up