Being mobile: future wireless technologies and applications
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Cambridge [u.a.]
Cambridge Univ. Press
2010
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| Schlagworte: | |
| Online-Zugang: | Cover Inhaltsverzeichnis |
| Beschreibung: | XVI, 204 S. Ill., graph. Darst. |
| ISBN: | 9781107000537 |
Internformat
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Datensatz im Suchindex
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| adam_text |
IMAGE 1
BEING MOBILE
FUTURE WIRELESS TECHNOLOGIES AND APPLICATIONS
W I L L I AM W E BB
OFCOM
M
CAMBRIDGE UNIVERSITY PRESS
IMAGE 2
CONTENTS
ABOUT THE AUTHOR PAGE XIII LIST OF ABBREVIATIONS XIV
1 INTRODUCTION 1
1.1 THE RATIONALE FOR THIS BOOK 1 1.2 LOOKING THROUGH THE REAR-VIEW
MIRROR 3 1.3 LEARNING FROM PREVIOUS PREDICTIONS 9 1.4 THE ORGANISATION
OF THIS BOOK 13
P A R TI TECHNOLOGIES 15
2 4G CELLULAR 17
2.1 INTRODUCTION 17
2.2 ECONOMICSOF DATA ACROSS CELLULAR NETWORKS 18 2.3 FEATURES OF
CELLULAR NETWORKS 21 2.4 KEY FEATURES OF 4G 22 2.5 MIMO 25
2.6 SPECTRUM ALLOCATION AND LAYERED NETWORKS 27 2.7 THE ROLE OF LTE 28
3 FEMTOCELLS 30
3.1 RATIONALE - HOME COVERAGE AND CAPACITY 30 3.2 INTERFERENCE 32
3.3 HANDOFF AND REGISTRATION 34 3.4 COMMERCIAL CHOICES 34 3.5 VERDICT 36
4 CELLS IN THE SKY 37
4.1 THE BENEFITS OF CELLS IN THE SKY 37
VN
IMAGE 3
VIII CONTENTS
4.2 SATELLITES 38
4.3 HIGH-ALTITUDE PLATFORMS 40 4.4 VERDICT 41
5 MESH NETWORKS 42
5.1 INTRODUCTION TO MESH NETWORKS 42 5.2 HOW MESH SYSTEMS WORK 44 5.3
MESH AND CAPACITY 46 5.4 MESH AND COVERAGE 47 5.5 PROBLEMS WITH MESH
SYSTEMS 48 5.6 VERDICT 49
6 SOFTWARE-DEFINED RADIOS AND NEW RECEIVER ARCHITECTURES 51 6.1 THE
SOFTWARE-DEFINED HANDSET 51 6.2 THE SOFTWARE-DEFINED BASE STATION 53 6.3
TRADE-OFFS IN RECEIVER DESIGN 54
6.4 WHERE NEXT FOR RECEIVERS? 56
7 COGNITIVE OR WHITE-SPACE SYSTEMS 57 7.1 UNLICENSED SPECTRUM IS
BECOMING MORE VALUABLE BUT MORE CONGESTED 57 7.2 DEFINING COGNITIVE
SYSTEMS 62
7.3 THE APPARENTLY UNUSED SPECTRUM 63 7.4 THE DETECTION PROBLEM 65 7.5
DATABASES AS AN ALTERNATIVE 67 7.6 APPLICATIONS 67 7.7 LONGER TERM -
DATABASES AS A SPECTRUM-MANAGEMENT SOLUTION 70
7.8 VERDICT 72
8 CODECS AND COMPRESSION 73
8.1 BASICS OF COMPRESSION 73 8.2 AUDIO COMPRESSION GAINS OVER TIME 74
8.3 VIDEO COMPRESSION GAINS OVER TIME 75 8.4 DIFFICULTIES IN INTRODUCING
NEW CODECS 76
8.5 GENERAL DATA TRANSMISSION 78 8.6 FUTURE PREDICTIONS 79
9 DEVICES 80
9.1 INTRODUCTION 80 9.2 SCREENS 80
9.3 KEYBOARDS AND OTHER INPUT DEVICES 83 9.4 BATTERIES 84
9.5 STORAGE 86
IMAGE 4
CONTENTS IX
9.6 ADDITIONAL FUNCTIONALITY 87 9.7 USABILITY 88
9.8 VERDICT 89
10 NETWORK ARCHITECTURES 90
10.1 A WORLD OF MULTIPLE DIFFERENT NETWORKS 90 10.2 HOME SYSTEMS 90 10.3
ALWAYS BEST CONNECTED 92 10.4 A COMMUNITY NETWORK 93 10.5 IMPLICATIONS
FOR THE WIRELESS VALUE CHAIN 94
11 THE GREEN AGENDA 96
11.1 THE SCALE OF EMISSIONS FROM WIRELESS SYSTEMS 96 11.2 THE ROLE OF
WIRELESS IN REDUCING OVERALL EMISSIONS 97 11.3 MAKING WIRELESS SYSTEMS
GREENER 98 11.4 IMPLICATIONS FOR FUTURE WIRELESS SYSTEMS 101
PART II SOLUTIONS 107
12 THE FUTURE OF USERS (BY RICHARD HARPER) 109
12.1 INTRODUCTION 109
12.2 HISTORICAL BACKGROUND: THE FIRST USERS 110 12.3 TAKE-UP BEYOND THE
BUSINESS COMMUNITY 111 12.4 THE SEMANTICS OF USER BEHAVIOUR 112 12.5
EARLY ATTEMPTS AT A WIRELESS WEB 113 12.6 BEYOND TALK 113 12.7 MOVING
BEYOND PERSON-TO-PERSON
COMMUNICATION 115 12.8 DIVERSITY OF USE 116 12.9 SOCIAL NETWORKING 117
12.10 PROGNOSIS 117
13 SENSORS 122
13.1 INTRODUCTION TO SENSOR NETWORKS 122 13.2 ENABLING TECHNOLOGIES 123
13.3 APPLICATIONS 125 13.4 PROGNOSIS 127
14 SOCIAL COMMUNICATIONS (WITH RICHARD HARPER) 128 14.1 THE HUMAN HABIT
128
IMAGE 5
X CONTENTS
14.2 NEW DIRECTIONS IN SOCIAL COMMUNICATIONS 129 14.3 PROGNOSIS 132
15 LOCATION
(WITH RICHARD HARPER) 133 15.1 DEFINING LOCATION 133
15.2 METHODS OF LOCATION 134 15.3 CASES WHERE LOCATION IS DIFFICULT 135
15.4 BEYOND LOCATION 136 15.5 THE 'WHEREABOUTS CLOCK' 140 15.6 WHAT
LOCATION TELLS US ABOUT THE WIRELESS INDUSTRY 142
16 HEALTHCARE
(WITH RICHARD HARPER) 147 16.1 INTRODUCTION 147
16.2 HEALTHCARE AT HOME 148 16.3 HEALTHCARE IN THE HOSPITAL 150 16.4
HEALTHCARE IN THE AMBULANCE 152 16.5 HEALTHCARE FOR THE INDIVIDUAL 153
16.6 DIFFICULTIES IN INTRODUCING NEW SOLUTIONS 155
16.7 THE SOCIAL CONTEXT OF HEALTH 155 16.8 PROGNOSIS 157
17 TRANSPORT 158
17.1 INTRODUCTION 158 17.2 ROAD 158
17.3 RAIL 163
17.4 AIR AND SEA 164
17.5 DIFFICULTIES IN INTRODUCING NEW SOLUTIONS 165 17.6 PROGNOSIS 166
18 ENTERTAINMENT 168
18.1 DEFINING ENTERTAINMENT 168 18.2 IN THE HOME 172
18.3 ON THE GO 177
18.4 KEY TRENDS 178
19 THE SMART GRID 180
19.1 INTRODUCTION 180 19.2 ARCHITECTURES AND CONNECTEDNESS 181 19.3 HOME
NETWORKING AND THE SMART GRID 182 19.4 THE NEED FOR A COMPELLING HOME
NETWORKING
APPLICATION 183
IMAGE 6
20 ASSISTED LIVING 184
20.1 AN AGEING SOCIETY 184 20.2 DELIVERING ASSISTECHIVING SERVICES 185
20.3 DIFFICULTIES 185 20.4 PROGNOSIS 186
21 UNIVERSAL SERVICE 187
21.1 FROM A NICETY TO A NECESSITY 187 21.2 NOT-SPOTS AND NOT-ZONES 187
21.3 REGULATORY INTERVENTION 190 21.4 RESILIENCE AND RELIABILITY 192
21.5 TOWARDS UNIVERSAL SERVICE 194
22 SUMMARY 196
22.1 KEY TECHNOLOGIES 196 22.2 KEY SOLUTIONS 198 22.3 THE JOURNEY HAS TO
BE WORTHWHILE 200
INDEX 201 |
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| language | English |
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| spellingShingle | Webb, William Being mobile future wireless technologies and applications Soziales Netzwerk (DE-588)4055762-5 gnd Funktechnik (DE-588)4018908-9 gnd Datenkompression (DE-588)4121121-2 gnd Codec (DE-588)4811935-0 gnd Vermaschtes Netz (DE-588)7714525-2 gnd Zellularfunk (DE-588)4421318-9 gnd Kognitiver Funk (DE-588)7536943-6 gnd |
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| title | Being mobile future wireless technologies and applications |
| title_auth | Being mobile future wireless technologies and applications |
| title_exact_search | Being mobile future wireless technologies and applications |
| title_full | Being mobile future wireless technologies and applications William Webb |
| title_fullStr | Being mobile future wireless technologies and applications William Webb |
| title_full_unstemmed | Being mobile future wireless technologies and applications William Webb |
| title_short | Being mobile |
| title_sort | being mobile future wireless technologies and applications |
| title_sub | future wireless technologies and applications |
| topic | Soziales Netzwerk (DE-588)4055762-5 gnd Funktechnik (DE-588)4018908-9 gnd Datenkompression (DE-588)4121121-2 gnd Codec (DE-588)4811935-0 gnd Vermaschtes Netz (DE-588)7714525-2 gnd Zellularfunk (DE-588)4421318-9 gnd Kognitiver Funk (DE-588)7536943-6 gnd |
| topic_facet | Soziales Netzwerk Funktechnik Datenkompression Codec Vermaschtes Netz Zellularfunk Kognitiver Funk |
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