Mission Statement:
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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 DirectorDirectors: 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
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Physical Layer Transmission Work Area Email Lists
- phytx@broadband-forum.org: PHYtx meeting notification, agendas, discussion, etc.
- Join or Leave BBF Groups and Email Lists
- Go to your JIRA profile page to see all of your current BBF group memberships.
PHYtx Calls, Minutes, Agendas
- PHYtx - Calendar
- PHYtx - Meeting Reports
- All Broadband Forum Teleconference Meetings
See also:
Children Display
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ActiveNon-PS assignedProjects
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Active FANCE ProjectsWT/MD/SD# | FANCE Projects | Abstract | Related Contributions | Editors | WT-419i2 | Fiber access extension over existing copper infrastructure | Provides use cases and fiber extension architectures with its elements as a generalization that does not preclude any type of technology or deployment approach. In the annexes these architectures are mapped to the specific technologies. Issue 2 intends to add new Use Cases, including wholesale and 5G FMC; cover Architectural, Management and Operational aspects as wel as Technology specific aspects of PON fiber access extension over P2MP topologies WT-419 | WT-476 | Performance Test Plan for use of G.hn technology in access scenarios | 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 Gfast and RPF ProjectsWT/MD/SD# | Bonding Projects | Abstract | Related Contributions | Editors | 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-335 | G.fast Interop Plugfest Test Plan | Interoperability 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 | WT-338i3 | Reverse Power Feed (RPF) 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-338 | Helge Tiainen | OD-362 | Program Requirements for G.fast Certification Program | This document applies only to the operational aspects of the certification program, such as:
OD-362 | Lincoln Lavoie |
Completed or Inactive Project Streams
- These can be found on the PHYtx - Archived Project Streams and Projects page