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Wireless Multimedia: A Guide to the IEEE 802.15.3 Standard

Wireless Multimedia: A Guide to the IEEE 802.15.3 Standard

James P. K. Gilb

ISBN: 978-1-118-09886-8 August 2011 336 Pages

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Wireless Multimedia: A Handbook to the IEEE 802.15.3 Standard clarifies the IEEE 802.15.3 standard for individuals who are implementing compliant devices and shows how the standard can be used to develop wireless multimedia applications. The 802.15.3 standard addresses an untapped market that does beyond 802.11 and Bluetooth wireless technologies. The standard addresses the consumer need for low-cost, high data-rate, ad-hoc wireless connections. Some of these applications include: wireless keyboards and printers, personal video and digital cameras, cordless telephones and intercoms, digital audio players and headphones, gaming (including interactive gaming, multiplayer consoles, handheld multiplayer gaming, digital music, video, and image uploads to handheld games), home theater system and stereo system components, video conferencing, and more! Navigating through the IEEE 802.15.3 standard to find the required information can be a difficult task for anyone who has not spent a considerable amount of time involved in standards development within the IEEE 802.15.3 Working Group. Written by Dr. James Gilb, Technical Editor of the IEEE 802.15.3 Standard, Wireless Multimedia contains an "insider's view" of the standard in which implementation issues that are not obvious in the text of the standard are highlighted with in-depth explanations. Impact the future of your business Wireless Multimedia: A Handbook to the IEEE 802.15.3 Standard brings it all together for those looking to standardize their wireless applications. It introduces and eases the implementation of devices compliant to the IEEE 802.15.3 standard. You will discover the types of implementations that were anticipated when the standard was developed, which will help you to determine what architectures are ideal for developing IEEE 802.15.3 products.

Introduction xv

Acronyms and Abbreviations xvii

Chapter 1 Background and History 1

What is an IEEE standard? 1

The 802.15 family 2

Why 802.15.3? 4

History of 802.15.3 6

Chapter 2 802.15.3 applications 13

The high-rate WPAN theme 13

Still image applications 14

Telephone quality audio applications 16

High quality audio applications 17

Gaming applications 18

Video and multimedia applications 19

Chapter 3 Overview of the IEEE 802.15.3 standard 23

Elements of the 802.15.3 piconet 25

PHY overview 28

Starting a piconet 31

The superframe 32

Joining and leaving a piconet 34

Connecting with other devices 35

Dependent piconets 36

Obtaining information 39

Power management 40

System changes 43

Implementation cost and complexity 44

Chapter 4 MAC functionality 47

MAC terminology in IEEE Std 802.15.3 47

Frame formats 49

Piconet timing and superframe structure 51

Interframe spacings 53

Contention access period (CAP) 55

Channel time allocation period (CTAP) 56

Comparing the contention access methods 60

Guard time 63

The role of the PNC 66

Starting a piconet 66

Handing over control 66

Ending a piconet 72

Joining and leaving the piconet 73

Association 74

Broadcasting piconet information 77

Disassociation 78

Assigning DEVIDs 80

Managing bandwidth 81

Acknowledgements 81

Asynchronous data 87

Stream connections 92

Fragmentation/defragmentation 96

Retransmissions and duplicate detection 99

Power management 100

Common characteristics of the SPS modes 104

Analyzing power save efficiencies 107

Switching PM modes 110

Managing SPS sets 114

DSPS mode 118

Allocating channel time for DSPS DEVs 119

PSPS mode 124

APS mode 126

Changing piconet parameters 128

Beacon announcements 129

Dynamic channel selection 132

Changing the PNID or BSID 134

Moving the beacon or changing the superframe duration 136

Finding information 138

Probe 139

Announce 143

PNC Information 145

Channel status 148

PNC channel scanning 150

Remote scan 152

Piconet services 154

Other capabilities 157

Transmit power control 157

Multirate capabilities 159

Extensibility of the standard 160

Example of the life cycle of a DEV 162

Chapter 5 Dependent piconets 165

Introduction 165

Starting a dependent piconet 168

Parent PNC ceasing operations with dependent piconets 174

Parent PNC stopping a dependent piconet 176

Handing over PNC responsibilities in a dependent piconet 177

Chapter 6 Security 187

Introduction and history 187

Security modes and policies 190

Security services provided in mode 1 191

Security policies 193

Symmetric key security suite 195

Overview of AES CCM 195

Key distribution 197

Security information 199

Chapter 7 2.4 GHz PHY 203

Overview 203

General PHY requirements 205

Channel plan 205

Timing issues 206

Miscellaneous PHY requirements 213

PHY frame format 213

Stuff bits and tail symbols 214

Frame format 215

PHY preamble 217

Data size restrictions 219

Modulation 220

Receiver performance 224

Transmitter performance 228

Regulatory and requirements 233

Delay spread performance 234

Mitigating the effects of delay spread 236

Fading channel model used for 802.15.3 237

Defining delay spread performance 239

Delay spread measurements 240

Radio architectures 244

Superheterodyne 245

Direct conversion 248

Walking IF 250

Low IF 253

Summary of radio architectures 256

Chapter 8 2.4 Interfacing to 802.15.3 257

The PIBs and their interface 261





The FCSL 268

Chapter 9 2.4 Coexistence mechanisms 271

Introduction 271

Coexistence techniques in 802.15.3 271

Passive scanning 273

The ability to request channel quality information 273

Dynamic channel selection 273

Link quality and RSSI 274

Channel plan that minimizes channel overlap 274

Transmit power control 275

Lower impact transmit spectral mask 275

Neighbor piconet capability 276

Coexistence results 278

Assumptions for coexistence simulations 278

BER calculations 280

802.11b and 802.15.3 282

802.15.1 and 802.11 FHSS overlapping with 802.15.3 288

Summary 291

References 295

Glossary 299

Index 305