decaWave DW1000 - Dw1000 User Manual; Default Chapter; Table of Contents

DW1000 User Manual
© Decawave Ltd 2017
Version 2.12
Page 2 of 242
Table of Contents
LIST OF FIGURES ........................................................ 3
LIST OF TABLES .......................................................... 4
1 INTRODUCTION ................................................. 7
1.1 ABOUT THE DW1000 ...................................... 7
1.2 ABOUT THIS DOCUMENT .................................... 7
2 OVERVIEW OF THE DW1000 ............................. 10
2.1 INTRODUCTION .............................................. 10
2.2 INTERFACING TO THE DW1000 ........................ 10
2.3 DW1000 OPERATIONAL STATES ...................... 14
2.4 POWER ON RESET (POR) ................................ 18
2.5 DEFAULT CONFIGURATION ON POWER UP .......... 20
3 MESSAGE TRANSMISSION ................................ 25
3.1 BASIC TRANSMISSION ...................................... 25
3.2 TRANSMISSION TIMESTAMP .............................. 26
3.3 DELAYED TRANSMISSION ................................. 26
3.4 EXTENDED LENGTH DATA FRAMES ..................... 27
3.5 HIGH SPEED TRANSMISSION ............................. 29
4 MESSAGE RECEPTION ....................................... 32
4.1 BASIC RECEPTION ........................................... 32
4.2 DELAYED RECEIVE ........................................... 35
4.3 DOUBLE RECEIVE BUFFER................................. 35
4.4 LOW-POWER LISTENING .................................. 39
4.5 LOW-POWER SNIFF MODE .............................. 41
4.6 DIAGNOSTICS ................................................ 44
4.7 ASSESSING THE QUALITY OF RECEPTION AND THE RX
TIMESTAMP ................................................................ 44
5 MEDIA ACCESS CONTROL (MAC) HARDWARE
FEATURES ................................................................. 48
5.1 CYCLIC REDUNDANCY CHECK ............................. 48
5.2 FRAME FILTERING ........................................... 48
5.3 AUTOMATIC ACKNOWLEDGEMENT .................... 50
5.4 TRANSMIT AND AUTOMATICALLY WAIT FOR RESPONSE
53
6 OTHER FEATURES OF THE DW1000 ................... 55
6.1 EXTERNAL SYNCHRONISATION ........................... 55
6.2 EXTERNAL POWER AMPLIFICATION .................... 58
6.3 USING THE ON-CHIP OTP MEMORY ................... 58
6.4 MEASURING IC TEMPERATURE AND VOLTAGE ...... 61
7 THE DW1000 REGISTER SET .............................. 63
7.1 REGISTER MAP OVERVIEW ................................ 63
7.2 DETAILED REGISTER DESCRIPTION ...................... 65
8 DW1000 CALIBRATION ................................... 198
8.1 IC CALIBRATION – CRYSTAL OSCILLATOR TRIM ... 198
8.2 IC CALIBRATION – TRANSMIT POWER AND SPECTRUM
200
8.3 IC CALIBRATION – ANTENNA DELAY ................. 203
9 OPERATIONAL DESIGN CHOICES WHEN
EMPLOYING THE DW1000....................................... 206
9.1 OPERATING RANGE ....................................... 206
9.2 CHANNEL AND BANDWIDTH SELECTION ............. 206
9.3 CHOICE OF DATA RATE, PREAMBLE LENGTH AND PRF
206
9.4 POWER CONSUMPTION .................................. 207
9.5 NODE DENSITY AND AIR UTILISATION ................ 207
9.6 LOW–DUTY CYCLE – AIR TIME .......................... 208
9.7 LOCATION SCHEMES ...................................... 209
9.8 GENERAL CONSIDERATIONS............................. 210
10 APPENDIX 1: THE IEEE 802.15.4 UWB PHYSICAL
LAYER ..................................................................... 212
10.1 FRAME STRUCTURE OVERVIEW ........................ 212
10.2 DATA MODULATION SCHEME .......................... 212
10.3 SYNCHRONISATION HEADER MODULATION SCHEME
213
10.4 PHY HEADER ............................................... 214
10.5 UWB CHANNELS AND PREAMBLE CODES ........... 215
10.6 ADDITIONAL DETAILS ON THE STANDARD ........... 216
11 APPENDIX 2: THE IEEE 802.15.4 MAC LAYER ... 217
11.1 GENERAL MAC MESSAGE FORMAT .................. 217
11.2 THE FRAME CONTROL FIELD IN THE MAC HEADER 218
11.3 THE SEQUENCE NUMBER FIELD ....................... 220
11.4 MAC LEVEL PROCESSING IN THE DW1000........ 221
12 APPENDIX 3: TWO-WAY RANGING ................. 222
12.1 INTRODUCTION ............................................ 222
12.2 SINGLE-SIDED TWO-WAY RANGING .................. 222
12.3 DOUBLE-SIDED TWO-WAY RANGING ................ 224
13 APPENDIX 4: ABBREVIATIONS AND ACRONYMS
230
14 APPENDIX 5: REFERENCES .............................. 233
15 DOCUMENT HISTORY ..................................... 233
16 CHANGE LOG .................................................. 233
17 ABOUT DECAWAVE ........................................ 239