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IEEE P1901

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IEEE P1901 Draft Standard for Broadband over Power Line Networks: Medium Access Control and Physical Layer Specifications

Report on the meeting held in Miami, FL, USA, 3-6 February 2009

The three confirmed In-Home, Access, and Coexistence proposals formed the baseline of the Draft Standard. Following the confirmations, the first objective was to assemble the three documents of almost 2,500 pages in total and merge them into a unified and consistent single Draft Standard. As outlined in the P1901 process, the Draft Standard is then improved through successive rounds of commenting within the Working Group until it is mature enough to go to IEEE-SA Sponsor Ballot.

At the Miami meeting, the Working Group adopted a tentative table of contents of the Draft Standard (having 18 clauses) and agreed upon a work plan. The tasks were allocated to four Technical Subgroups (TSGs). TSG1 is in charge of editorial tasks, TSG2 is in charge of the confirmed FFT and Wavelet PHYs and MACs, TSG3 is in charge of developing the new ITU-T G.hn Compatible PHY/MAC option, and TSG4 is in charge of all coexistence aspects.

The TSGs held kick-off meetings and reported detailed work plans to the Working Group at the end of the WG meeting session.

Report on the meeting held in Dresden, Germany, 24-27 March 2009

Since the Miami meeting, a first version of the Draft Standard was issued. It contains the text of the confirmed In-Home, Access, and Coexistence proposals mapped according to the tentative table of contents (as adopted in Miami).

TSG2, TSG3, and TSG4 held weekly teleconferences. The TSGs have progressed in the development of unified content that replaces the original text from the confirmed In-Home, Access, and Coexistence proposals.

During the meeting in Dresden, the majority of the week was dedicated to Technical Subgroup meetings. The TSGs reported progress of their work to the Working Group on the last day.

TSG2 presented unified text for the first four clauses of the Draft Standard, which the Working Group unanimously approved.

TSG4 presented a refined Draft Standard table of contents that details how to merge the confirmed Coexistence proposal with the other confirmed proposals. The Working Group unanimously approved this refined table of contents.

The TSGs will continue holding weekly teleconferences. TSG2 will hold a face-to-face meeting during the week of 21-24 April 2009 in Orlando, FL, USA.

The next meeting is scheduled for 18-22 May 2009, Las Vegas, NV, USA (see next meetings).

Jean-Philippe Faure
IEEE P1901 Chair

Press release--Dresden, Germany--14 May 2009


Reports on previous meetings:

Kyoto, Japan, 16-19 December 2008
Press release--Kyoto, Japan--7 January 2009

San Francisco, CA, USA, 4-6 November 2008

Madrid, Spain, 29 September-2 October 2008

Miami, FL, USA, 8-10 July 2008

Fukuoka, Japan, 5-6 March 2008

San Diego, CA, USA, 11 December 2007

Boston, MA, USA, 15-18 October 2007


IEEE P1901 milestones

June 2005 - PAR approved
November 2005 - Adoption of the general work flow - Formation of a sub-group to develop unified requirements
January 2006 - Approval of the use cases - Decision to split the requirements into three clusters: In-Home, Access and Coexistence/Interoperability
March 2006 - Approval of the down selection process to achieve the baseline of the standard - Approval of the description of topologies.
September 2006 - Approval of the channel and noise models.
February 2007 - Approval of 400 requirements split into three clusters: access, in-home and coexistence - Calls for technical proposals
June 2007 - 12 proposals received; 4 proposals per cluster of requirements
July 2007 - 11 proposals passed the low hurdle vote; 4 in-home proposals, 4 access proposals and 3 coexistence proposals
September 2007 - Only two proposals per cluster remain for consideration after voluntary mergers.
October 2007 - One in-home proposal and one access proposal remain as candidates for confirmation after the first round of elimination voting.
March 2008 - A single coexistence proposal remains as candidate for confirmation after the last round of elimination voting.
July 2008 - The first round of confirmation voting for the in-home, access, and coexistence proposals is held. All three votes fail.
September 2008 - The second round of confirmation voting for the in-home, access, and coexistence proposals is held. The votes on the in-home and access proposals fail. The vote on the coexistence proposal is ruled invalid because the number of abstain votes exceeds the established percentage. A reset vote is held for in-home and access yielding a single proposal for confirmation in the in-home cluster, and two proposals for the access cluster. A voluntary merger in the access cluster is announced at the end of the meeting, bringing the total for access to a single proposal.
November 2008 - The first round of confirmation voting for the in-home and access proposals is held. Both votes fail.
December 2008 - The second round of confirmation voting for the in-home, access, and coexistence clusters is held. All three proposals are confirmed.
February 2009 - A tentative table of contents of the Draft Standard is adopted and four Technical Subgroups are formed to merge the confirmed proposals and develop a unified document.


About IEEE P1901

The working group, formed in June 2005, has grown from 20 to more than 50 members. Members are corporations, government agencies, trade associations, universities, and standards developing organizations. Each entity has one vote.

About The IEEE-SA Corporate Standards Program

The IEEE-SA Corporate Standards Program allows entities to create standards within an ANSI-accredited, open process. Standards are developed in company-based working groups in which each member has one vote. This industry-oriented program allows for standards creation in as little as one to two years, depending on participant commitment and funding for IEEE services that can optimize all phases of the standards development process.

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