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Mission Statement:

Excerpt

The Physical Layer Transmission Work Area provides test plans, technical documentation, and marketing papers to enable multi-vendor interoperability in deployments for both access and in-premises networks.

Work Area Directors:

Herman Verbueken, Nokia

Evan Sun, Huawei

Business Impact:

The focus of the PHYtx WA is to develop technical recommendations which will help service providers deploy equipment that will give a better quality of experience for their end users.

Standardized interoperability and certification, create a trusted base of equipment and services providing operators with an accelerated time to market, avoiding large investments in time and customizations. Interoperability provides invaluable intelligence as feedback to both developers and implementers of new products and services.

Scope:

  • Definition of test plans for access network physical layer transmission technologies (such as VDSL2 and Gfast) and Reverse Power Feeding technologies
  • Definition of test plans for in-premises network physical layer transmission technologies such as power line communications
  • Creation of best practice or use cases documentation for advanced features, such as  Fiber extensions, cable models.
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Active Project Streams

Frank Van der Putten

Project Stream

Description

PS Leaders

NonPHYtx - PS AssignedProjects

Projects that don’t fit under the scope of an existing Project Stream or if they fit under the scope of more than one Project Stream, are developed under the Non-PS Assigned category. 

Herman Verbueken , Nokia

FANCE (Fiber Access Network Copper Extensions)

Development of technical documentation for the deployment of copper transmission technologies that extend fiber networks to end-users using existing copper infrastructure at the premises. Technologies covered include but are not limited to Gfast, G.hn and MoCA.

Evan Sun, Huawei

are handled on Work Area level.

Herman Verbueken

G.fast and RPF Certification

Development of test plans and related technical documentation for certification and performance testing of ITU-T G.fast and its associated reverse power feeding.  This work may be leveraged within certification programs operated by the Broadband Forum.

, Nokia



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Physical Layer Transmission Work Area Email Lists

PHYtx Calls, Minutes, Agendas

See also:

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The goal is to provide performance requirements between a G.hn Aggregation Multiplexer (GAM) and one or more G.hn Network Terminations (GNTs). The focus is on the device level (DLL and PHY) testing, similar to how TR-380 is defined.  This
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Active

Non-PS assigned

Projects

285i2a1
WT/MD/SD# Projects
AbstractRelated ContributionsEditors
WT-Copper Transmission Models for Testing above 30 MHzIssue 2 Amendment 1 adds the Australian cable models as appendix GWT-285

Andre Holley 

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500MoCA Access Performance Test Plan

MoCA AccessTM technology can be used to deliver gigabit and multi-gigabit services to the end-user in the scope of Fiber Extension (FTTep). It has been defined as one of the the available technologies in TR-419. MoCA has been defined by the Multimedia over Coax Alliance  (https://mocalliance.org). MoCA Acces supports broadband data transmission in the access environment - including large apartment and office buildings (the MDU environment).

The focus of this performance test plan is on the Physical layer and Traffic testing similar to how TR-380 and TR-476 are defined.  This

Active FANCE Projects

WT/MD/SD#FANCE Projects
AbstractRelated ContributionsEditors
WT-476Performance Test Plan for use of G.hn technology in access scenarios

performance test plan will include test setup information, equipment configuration requirements, test procedures, and performance requirements

for each test case.WT-476

Aleksandra Kozarev

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. Traffic tests should show the throughput and delay for various packet sizes and mixes for the various use cases

WT-500

Helge Tiainen 
WT-301i2a3Architecture and Requirements for Fiber to the Distribution Point

TR-301defines the Distribution Point Unit (DPU), for use within the access network. All aspects of the introduction of the DPU into the network are considered and requirements are specified for the DPU and all affected nodes in the access network along with the RPF functionality.

Amendment 3 adds requirements for bulk data collection (using IPFIX) using the data model as defined in Broadband Forum.

WT-301

Herman Verbueken

Active Gfast and RPF Projects

WT/MD/SD#Projects
AbstractRelated ContributionsEditors

DTP-337i4

G.fast Certification Test Plan

This document is intended to provide a certification test plan for ITU‑T Recommendation G.9700 “Fast access to subscriber terminals (G.fast) – Power spectral density specification” and G.9701 “Fast access to subscriber terminals (G.fast) – Physical layer specification”. This IR-337 is specifically conceived for the basic interoperability objectives of the Broadband Forum G.fast Certification Program.

Technical content in this test plan includes test setup information, equipment configuration requirements, test procedures, and pass/fail requirements for each test case.

Issue 4 intends to add Robust Management Channel Recovery (RMCR) and sub-carrier masking tests, tests for Low power operation and tests for accuracy and updating of reported G.fast parameters.

DTP-337

Frank Van der Putten

OD-335G.fast Interop Plugfest Test PlanInteroperability among multiple chipsets and systems will be critical to the success of G.fast.  This document defines a suite of basic physical layer tests for G.fast.  The intent is to provide a structure for vendor-to-vendor interoperability tests, known as "Plugfests".OD-335

Lincoln Lavoie

WT-338i3Reverse Power Feed  Test Plan

With short copper loops required by G.fast Distribution Point Units (DPUs) that push the deployment of the DPU/MDUs closer to the customer premise, local power and forward power may not be viable to cost or location. To power the DPU, power will come from the customer premises location over the copper pair; this is referred to as Reverse Power Feed (RPF).

This document specifies tests for the RPF functions of a DPU and the customer premises’ Power Supply Equipment (PSE) either as a stand-alone device or as a function integrated in a G.fast Network Termination.

Issue 3 will define a set of RPF-over-coax functional and safety test cases for the Power Source Equipment (PSE) implemented according to ETSI specification TS 101 548-2, either as a stand-alone device or as a function integrated in the G.fast (G.9700 and G.9701) network termination, and reversely powered DPU implementations. It will include also RPF integrated in G.hn Access and MoCA Access network termination.

WT-338Helge Tiainen

 




Completed or Inactive  Project Streams