Progress in Development Broadband Networks: Wired Access

Progress in Development Broadband Networks: Wired Access

This report updates the status on wired broadband access technologies, their markets, applications and industries.

Wired broadband access technologies are playing an important role in today networks- cable accounts for 55%-60% of the U.S. fixed broadband market. However, until recently, technical and economic problems with such access did not allow effective use of a broadband pipe from a core to a subscriber side, minimizing a value of broadband communications.

The problems have been known for a long time, but absence of a cost-effective technology in the distribution plant prevented making any practical improvements. The specifics of access, such as the necessity to create highly distributed infrastructure and the price to support access service always contradicted each other. The situation changed with appearance Passive Optical Networks (PONs), their various modifications and progress in architecting of high-speed DSL, such as vectoring DSL.

The goal of this report is to address current and near-term advances in wired broadband access networks that are transforming them into broadband pipes with characteristics similar to characteristics of the core networks. Particular, the report concentrates on the analysis technologies and markets for the following access architectures:

Passive Optical Networks – standardized or planning to be standardized by the IEEE and ITU-FSAN. Evolving PONs will allow transmission up to 100 Gb/s (shared).

New generations DSL – in the development and standardization by the ITU and the industry, including vectoring and The technologies may support short reaches connectivity on the existing copper structures with speeds near 1 Gb/s (non-shared).

RFoG – technology that allows efficient use of fiber combined with a short coaxial path to the user, allowing to reach gigabit per second speed and improving the economics of broadband access.

The report shows that the copper infrastructure continues to play an important role for connecting last hundreds meters from/to a subscriber equipment with the rest of the network. Advanced gigabit speed access technologies, such as DSL (, VDSL2-vec), are key in creating a homogenous and cost efficient core-access infrastructure. For example, in 2017, AT&T has begun rolling out services in 22 metro markets across the United States, signaling the service provider’s desire to extend higher speed wireline broadband services in premises where it can’t make a business case for all fiber.

PONs provide cost-efficient connectivity of the core with subscriber’s equipment, supporting required by users characteristics, such as speed of transmission and other. Currently, service providers have three major next-generation FSAN PON paths: 10G-PON, XGS-PON and NG-PON2. Verizon, for example, plans to move directly to NG-PON2.

The IEEE NG-EPON standard 802.3ca, which promises the 100 Gb/s speed, planned to be finalized by 2020.

The report also stresses an important trend in the broadband wired access: utilization of multi-functional platforms that allow flexibility and cost efficiency to serve a diversified group of users required different technologies.

The standardization processes are analyzed in details. Marketing statistics have been developed (2018-2022). The report also presents detailed surveys of companies that are working in the related industries and their products portfolios. Attachments contain the survey of recently approved patents related to the report subject.

The report is written for a wide audience of technical, managerial and sales staff involved in the development wired broadband access networks.

1.0 Introduction
1.1 Issue
1.2 Changes
1.2.1 5G Necessity
1.3 PON Appearance
1.4 DSL Developments
1.5 RFoG
1.6 Scope
1.7 Research Methodology
1.8 Target Audience
2.0 PON: Today and Tomorrow
2.1 Concept
2.1.1 PON Benefits
2.1.2 The PON Proposition
2.1.3 Details
2.1.4 PON Classification
2.1.5 PON Elements Optical Line Termination (OLT) PON Core Shell Cross-connect Shell Service Shell OLT Responsibilities Bandwidth Allocation Grant Mechanism Capture Effect Ranging Burst Mode Transceiver Optical Network Unit (ONU) Optical Distribution Network (ODN)
2.2 PON: ITU-FSAN Family
2.2.1 A/B-PON – G.983.x
2.2.2 G-PON – G.984.x
2.2.3 XG-PON - G.987x
2.2.4 NG-PON2 - G.989x Project NG-PON2 – General Major Properties Characteristics Support Rates and Reaches Combinations Services Capacity Spectrum Allocation Line Rate Summary
2.2.5 XGS-PON
2.2.6 Plans
2.3 PON: IEEE Family
2.3.1 802.3ah – GE - PON
2.3.2 802.3av- 10GE-PON Goal Status Standard’s Scope and Objectives 10GE-PON Technology Specifics Inheritance Properties Dynamic Bandwidth Allocation 10GE-PON: Drivers and Target Applications
2.3.3 IEEE P802.3ca PON
2.4 PON Market
2.4.1 PON Commercialized
2.4.2 Factor
2.4.3 Services
2.4.4 Market Estimate Equipment Sales Market Geography Service Providers Revenue
2.5 Industry
Mitsubishi Electric
Qualcomm Atheros
Source Photonics
Sun Telecom
Sumitomo Electric Networks
3.0 DSL Evolution
3.1 Developments
3.1.1 Statistics
3.2 DSL Family
3.2.1 ADSL
3.2.2 R-ADSL
3.2.3 HDSL
3.2.4 IDSL
3.2.5 VDSL
3.2.6 SDSL
3.2.7 Summary
3.3 Vectored DSL – G.993.5-2010
3.3.1 Scope
3.3.2 Details Summary Broadband Forum Contributions
3.3.3 Market
3.3.4 Vendors
3.4.1 Standards
3.4.2 Improvements over Vectoring
3.4.3 Models - FTTdp
3.4.4 Major Characteristics
3.4.5 Testing and Trialing
3.4.6 Further Developments – G.mgfast
3.4.7 Industry
Dasan Networks
3.4.8 Market
4.0 RFoG Development
4.1 Hybrid Fiber Coaxial (HFC) Technology
4.2 RFoG Solution
4.2.1 General
4.2.2 Standardization Process Details ANSI/SCTE 174 2010 Summary IEC Industry Needs Target
4.3 Similarities and Differences (HFC and RFoG)
4.4 RFoG Major Benefits and Issues
4.5 Future Extensions – RF-PON
4.6 Market Estimate
4.6.1 Need
4.6.2 Forecast
4.7 RFoG Industry
Titan Photonics
5.0 Conclusions
Attachment 1: Vectoring DSL-related Patents Survey (2015-2018)
Attachment 2: NG-PON2-related Patents Survey (2015-2018)
Figure 1: PON Reference Model
Figure 2: PON Details
Figure 3: PON Architecture Example
Figure 4: OLT Functional Block Diagram
Figure 5: ONU Functional Block Diagram
Figure 6: FSAN Roadmap
Figure 7: B-PON Frequency Arrangements
Figure 8: ITU Process
Figure 9: Functional Diagram – G.989 System
Figure 10: NG-PON2 Frequency Plan
Figure 11: GE-PON – 10GE-PON Scenario
Figure 12: 10GE-PON Spectrum Allocation
Figure 13: 802.3ca Time Schedule (as of June, 2018)
Figure 14: Price vs Wired Houses %
Figure 15: Estimate-PON Equipment Global Sales ($B)
Figure 16: Estimate-PON ONUs Global Sales ($B)
Figure 17: Estimate – xGPON Equipment Global Sales ($B)
Figure 18: PON Technology Geography – Major Regions (2018)
Figure 19: PON U.S. Providers (2018)
Figure 20: Estimate: U.S. PON Service Providers Revenue ($B)
Figure 21: Market Share (%) - Major Broadband Access Technologies (2018)
Figure 22: FEXT Illustration
Figure 23: Reference Model – Vectored System (ITU Rec. G.993.5)
Figure 24: Vectored DSL – Characteristics Improvement
Figure 25: Vectored DSL Channel
Figure 26: Estimate: Premises Passed –VDSL2 – Global (Mil.)
Figure 27: Estimate: Global Shipments of Vectored VDSL2 Ports (Mil. units)
Figure 28: DPU - Illustration
Figure 29: Illustration
Figure 30: Illustration – Link Arrangements
Figure 31: Estimate: Chips Sales – Global (Bil. Units)
Figure 32: Estimate- Chipsets Global Market ($B)
Figure 33: HFC Frequencies Assignment Illustration
Figure 34: RFoG Reference Architecture
Figure 35: ONU-R Block Diagrams
Figure 36: HFC and RFoG Illustration
Figure 37: Illustration: PON Overlay
Figure 38: Comparative Characteristics
Figure 39: Estimate: Global - RFoG Equipment Sales ($B)
Figure 40: Estimate: Global - RFoG Service Providers Revenue ($B)
Table 1: G-PON Transmission Rates
Table 2: G.987 Family
Table 3: NG-PON2 – Line Rates
Table 4: EFM Signaling Schemes
Table 5: Interfaces - 10GE PON
Table 6: PONs Compared
Table 7: PON Service Scenarios
Table 8: DSL Family Evolution
Table 9: ADSL Characteristics
Table 10: Parameters
Table 11: Bandwidth
Table 12: Optical Budget
Table 13: Downstream Transmission
Table 14: Frequency Plans

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