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, on 8-10 July 2008
Updated proposals for the In-Home, Access, and Coexistence
clusters of requirements were presented to the working group
for confirmation votes. The confirmed proposals become part
of the baseline P1901 draft standard.
The confirmation vote on the Panasonic-HomePlug-HiSilicon
In-Home proposal was conducted first. The proposal received
71% positive votes. The 75% majority approval required to
become part of the baseline for the P1901 draft standard
was not achieved, and the confirmation vote failed.
The confirmation vote on the HomePlug-Panasonic Access proposal
was conducted and failed to receive the required 75% majority
approval. The proposal received 55% positive votes.
The confirmation vote on the CEPCA-SiConnect-HomePlug Coexistence
proposal was conducted and failed to receive the required
75% majority approval. The proposal received 58% positive
votes
The P1901 working group down selection process allows for
a second opportunity to pass the confirmation vote before
the process is reset (see the down
selection process). Members were given three weeks to
return comments for improvement of the proposals that failed
confirmation voting.
The second round of confirmation voting for the three clusters
of requirements will be held during the next
meeting, scheduled for 29 Sept-2 Oct 2008 in Madrid,
Spain.
The process that follows the down selection of the technical
proposals is being finalized. It defines the steps for developing
the first version of the Draft Standard and subsequent development
until the working group decides to move it to Sponsor ballot.
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.
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.
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Standards are developed in company-based working groups
in which each member has one vote. This industry-oriented
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