Gigahertz and Terahertz Technologies for Broadband Communications

breezz

Contents
Preface xi
Acknowledgments xiii
1 A Communications Revolution 1
1.1 Leaving basic POTS behind 1
1.2 Increasingly interactive systems 8
1.3 Why gigahertz wireless bearers? 14
1.4 Cabled systems and terahertz transmission 19
1.5 The available component technologies 22
1.6 The ongoing communications revolution 27
2 The Hunger for Bandwidth 29
2.1 Why ever-more bandwidth? 29
vii
2.2 Future bandwidth resources 37
2.3 Bandwidth and frequency implications for
component technologies 42
2.4 Radio and optical bandwidths 44
2.5 Cost implications as bandwidth increases 49
3 Broadband Cabled Networks 53
3.1 Multimode or single-mode fibers? 53
3.2 SDH, SONET, and fiber 58
3.3 Gigabit data network evolution 62
3.4 Gigabit junction and GigaPOPs 66
3.5 From WDM to DWDM 70
3.6 Summary 75
4 Defense Systems 79
4.1 Defense—we all still need it 79
4.2 The MILSATCOM, Skynet, and NATO series
of satellite systems 84
4.3 Military microwave radio relays 91
4.4 Other defense systems 92
4.5 Global security systems 93
4.6 Typical technologies 97
4.7 Summary 99
5 Digital Television 101
5.1 Convergence revisited 101
5.2 Technologies now—and then 103
5.3 Delivery systems: LNBs, feeders, and compact
antennas 114
5.4 Technological developments and their likely impact 115
6 CATV and SMATV Feeds 119
6.1 Streets and communities 119
viii Gigahertz and Terahertz Technologies for Broadband Communications
6.2 Block dwellers and visitors 125
6.3 Community or “just you” 128
6.4 Expansion capabilities 129
6.5 Technological developments and likely impacts 133
7 Teleports 137
7.1 What is a teleport? 137
7.2 Roles of teleports 143
7.3 Teleports of the late twentieth century—
and beyond 145
7.3.1 Japanese teleports 147
7.3.2 The Rio de Janeiro Teleport Center 149
7.3.3 Teleports in Malaysia and Indonesia 150
7.3.4 The intelligent island—Singapore 151
7.3.5 South Korea teleports 152
7.3.6 Teleports in the United States and Canada 153
7.3.7 U.K. teleports and related operations 155
7.3.8 Italy 163
7.4 Likely future scenarios for teleports 164
7.5 Teleportation technologies 167
8 Terrestrial and Stratospheric Broadband Wireless 171
8.1 Broadband wireless without satellites or fiber 171
8.2 Terrestrial options 174
8.3 Local multipoint distribution services (LMDS) 176
8.4 Microwave video distribution and multimedia
wireless systems (MVDS and MWS) 181
8.5 Platforms using stratospheric balloons and
high-flying aircraft 184
8.5.1 Balloons (aerostats) 186
8.5.2 High-flying aircraft 187
8.6 Technological developments 191
8.7 Summary of suborbital platform approaches 193
Contents ix
9 Broadband Mobile Satellite Systems 197
9.1 Third-millennium satellites 197
9.2 Some broadband mobile satellite systems 201
9.2.1 Hughes Galaxy/Spaceway 203
9.2.2 Lockheed Martin (Astrolink) 204
9.2.3 SkyBridge 206
9.2.4 Teledesic 209
9.2.5 Thuraya 212
9.2.6 Some further proposed broadband satellite systems 214
9.3 Prospects for these space-based Internet on-ramps 216
9.4 Space segment technologies 218
9.5 Ground segment technologies 221
9.6 Concluding remarks 221
10 High-Speed Digital Epilogue 225
10.1 The multi-trillion dollar business-and-leisure
superhighway 225
10.2 Gadgets and gizmos 2010 style 228
10.3 Superhighway on-ramps of the twenty-first century 229
10.4 The terabit junction, terapops, and bit-serial
optical processing 231
10.5 The brilliant broadband future 235
List of Acronyms and Abbreviations 241
About the Author 251
Index

lixqing

太好了!

gtliu

kan kan

gtliu

it is very good

smr1113

顶一下！

lixqing

Wonderful! Thanks!

yhwxiasha

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supertorus

看目录似乎比较有特色。

spiderzhuzhi

好书，不过银子有点紧了啊

anan0001

Wonderful! Thanks!