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Gigabit-capable Passive Optical Networks

D. Hood
  • E-Book (pdf)
  • 300 Seiten
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Gigabit-capable passive optical networks (G-PON) have a large and increasing base of support among telecommunications operators ar... Weiterlesen
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Gigabit-capable passive optical networks (G-PON) have a large and increasing base of support among telecommunications operators around the world. Written by two of the experts in the field, this book explains G-PON in detail. As well as a history that clarifies the reasons for many of the existing features, the book looks at current and evolving technology and discusses some of the alternatives for future access networks.


DAVE HOOD is a Senior Systems Engineer at Ericsson AB. He has been involved with passive optical networks since they were first conceived in the 1980s. He is presently active in the FSAN and ITU communities, where, among other responsibilities, he serves as editor of OMCI Recommendation G.988.

ELMAR TROJER is a Senior Systems Engineer at Ericsson AB, where he has developed dynamic line management solutions for ADSL2+ and VDSL2 and prototyped the DSL automatic optimizer that became an Ericsson product. He also prototyped the world's first Gb/s passive optical network system.



A passive optical network (PON) is a point-to-multipoint, fiber-to-the-premises network architecture in which unpowered optical splitters enable a single optical fiber to serve multiple premises. PONs consist of an optical line terminal at the service provider's central office and a number of optical network units near the end users. Compared with point-to-point architectures, PONs reduce the amount of fiber and central office equipment required.

Gigabit-capable PONs (G-PONs) are today's access network sweet spot, optimized to deliver IPTV and other high-bandwidth services at a reasonable cost. G-PONs have been deployed in numerous networks across the globe, and the trends indicate higher growth for G-PONs than other PON technologies.

Written by experts at the heart of G-PON development, standardization, and deployment, this text explains why the G-PON standards are what they are and how they impact the development of communication networks. It fully examines the historical development of the G-PON standards, pointing out alternatives and comparing them to other PON standards.

The book begins with an introduction to the evolution of G-PON technology and standards. Next, it covers:

  • System requirements
  • Optical layer
  • Transmission convergence layer
  • Management
  • Services
  • Other technologies such as Ethernet PON, wireless broadband, and access migration

This book not only examines current standards and technology, it also looks at evolving technology, discussing the advantages and disadvantages of various access networks currently under investigation.

Gigabit-capable Passive Optical Networks is essential for all engineers responsible for developing and maintaining G-PONs, providing them with information and guidance they need to fully understand, implement, and comply with the standards.


Acknowledgments xi

1 Introduction 1

1.1 Target Audience 3

1.2 Evolution of G-PON Technology and Standards 3

2 System Requirements 9

2.1 G-PON Operation 10

2.2 ONU Types 13

2.3 Network Considerations 16

2.4 OLT Variations and Reach Extenders 26

2.5 ONU Powering 33

2.6 Technology Requirements 42

2.7 Management Requirements 44

2.8 Maintenance 46

3 Optical Layer 49

3.1 Introduction 50

3.2 Optical Fiber 54

3.3 Connectors and Splices 61

3.4 WDM Devices and Optical Filters 64

3.5 Passive Optical Splitters 67

3.6 Power Budget 71

3.7 Coexistence 77

3.8 Optical Transmitters 82

3.9 Optical Receivers 91

3.10 G-PON Transceiver Modules 106

3.11 Optical Amplifiers 113

3.12 Reach Extension 118

4 Transmission Convergence Layer 127

4.1 Framing 129

4.2 ONU Activation 166

4.3 ONU Transmission Timing and Equalization Delay 177

4.4 ONU Registration 187

4.5 ONU Energy Conservation 190

4.6 Security 200

5 Management 219

5.1 The Toolkit 219

5.2 Equipment Management 240

5.3 Reach Extender Management 249

5.4 PON Maintenance 252

5.5 Obsolete Fragments of Information Model 254

6 Services 255

6.1 Basic Ethernet Management 256

6.2 Multicast 275

6.3 Quality of Service 285

6.4 IP Services 303

6.5 POTS 306

6.6 Pseudowires 317

6.7 Digital Subscriber Line UNIs 333

6.8 RF Video 337

7 Other Technologies 339

7.1 Ethernet PON, EPON 340

7.2 Wireless Broadband 352

7.3 Copper 353

7.4 Ethernet, Point to Point 354

7.5 WDM PON 357

7.6 Access Migration 360

Appendix I FEC and HEC in G-PON 363

I.1 Redundancy and Error Correction 363

I.2 Forward Error Correction 364

I.3 Hybrid Error Correction 374

Appendix II PLOAM Messages 375

II.1. PLOAM Messages in G.987 XG-PON 375

II.2. PLOAM Messages in G.984 G-PON 388

References 403

International Telecommunications Union, Telecommunication Standardization Sector 403

Broadband Forum 405

Institute of Electrical and Electronics Engineers 405

Internet Engineering Task Force 406

Other 407

Acronyms 409

Index 423


Titel: Gigabit-capable Passive Optical Networks
D. Hood
EAN: 9781118155585
ISBN: 978-1-118-15558-5
Digitaler Kopierschutz: Adobe-DRM
Format: E-Book (pdf)
Herausgeber: Wiley
Genre: Elektronik, Elektrotechnik, Nachrichtentechnik
Anzahl Seiten: 300
Veröffentlichung: 27.02.2012
Jahr: 2012
Untertitel: Englisch
Dateigrösse: 9.0 MB