Overview

The role of IEEE 802.15 Smart Utility Networks (SUN) Task Group 4g is to create a PHY amendment to 802.15.4 to provide a global standard that facilitates very large scale process control applications such as the utility smart-grid network capable of supporting large, geographically diverse networks with minimal infrastructure, with potentially millions of fixed endpoints.

Current Status

TG4g completed a recirculation letter ballot (LB75) of d5P802-15-4g_Draft_Standard.pdf

TG4g	LB75 Cummulative
VOTERS	217
VOTED	192
YES	177
ABSTAIN	7
NO	8
VOTERS %	88.5%
YES %	95.7%
ABSTAIN %	3.7%

There were no new "Do Not Approve" voters, nor were there new comments  received from "Do Not Approve" voters.  The draft is now ready to be sent to Sponsor Ballot.

Next Session: Objectives

The objectives for the July plenary in San Francisco will be:

• Review the results from the recirculation
• TG motion to approve and request WG approve the formation of a Ballot Resolution Committee for the Sponsor Ballot
• TG motion to request WG to petition EC to release draft to Sponsor Ballot

Sessions and Milestones

Status	Year	Month	Venue	Agenda	Closing Report	Minutes
SG	2008	Sept	Waikoloa	15-08-0616-01	15-08-0707-00	15-08-0729-00
		Nov	Dallas	15-08-0725-02	15-08-0838-01	15-08-0853-01
PAR Approved
TG	2009	Jan	Los Angeles	15-08-0859-01	15-09-0086-00	15-09-0089-00
		March	Vancouver	15-09-0095-05	15-09-0223-00	15-09-0251-01
		May	Montreal	15-09-0266-00	15-09-0439-01	15-09-0446-00
		July	San Francisco	15-09-0460-06	15-09-0570-00	15-09-0586-00
		Sept	Waikoloa	15-09-0600-04	15-09-0702-01	15-09-0714-00
		Nov	Atlanta	15-09-0717-03	15-09-0815-00	15-09-0818-00
	2010	Jan	Los Angeles	15-09-0839-02	15-10-0080-01	15-10-0086-00
		March	Orlando	15-10-0119-06	15-10-0228-00	15-10-0218-00
		March - May		Letter Ballot – LB51
		May	Beijing	15-10-0246-01	15-10-0336-00	15-10-0393-00
		July	San Diego	15-10-0394-02	15-10-0614-00	15-10-0624-00
		Sept	Waikoloa	15-10-0634-01	15-10-0807-00	15-10-0818-00
				Comment Spreadsheet 15-10-0283-25
		Sept - Nov		Letter Ballot – LB59
		Nov	Dallas	15-10-0825-00	15-10-0932-00	15-10-0945-00
	2011	Jan - adhoc	Los Angeles	15-10-0953-00	-	15-11-0049-00
		Jan	Los Angeles	15-10-0968-01	15-11-0118-00	15-11-0133-00
				LB59 Comment Spreadsheet 15-10-0852-17
		Feb - March		Letter Ballot – LB67
		March	Singapore	15-11-0145-00	15-11-0309-00	15-11-0327-00
				LB67 Comment Spreadsheet 15-11-0178-12
				Letter Ballot – LB70
		May	Palm Springs	15-11-0324-00	15-11-0433-00	15-11-0468-01
				LB70 Comment Spreadsheet 15-11-0342-10
		May - June		Letter Ballot – LB75
		June	BRC tele-conference	-	-	15-11-0445-00
				LB75 Comment Spreadsheet 15-11-0444-01
		July	San Francisco	15-11-0446-00

History

TG4g received NesCom approval December 9th 2008. The TG4g PAR can be viewed here. TG4g held its first meeting at the 802 Interim meeting in Los Angeles January 2009. During this meeting it agreed the Call for Applications and Call for Proposals.

A Call for Applications was issued on February 2nd 2009. Presentations were given at the March Plenary, held in Vancouver March 8th to 13th 2009.

A Call for Proposals was issued January 22nd 2009. Preliminary Proposals were presented at the March Plenary, held in Vancouver March 8th to 13th 2009.

24 Final Proposals were submitted by May 2nd 2009 of which 22 were presented to TG4g at the IEEE 802 Interim meeting in Montreal May 10th to 15th 2009. A summary of the proposals can be found here.

Between July 2009 and November 2009, the merging and refinement of proposals continued.  At the end of the November 2009 meeting there were 3 complimentary, merged proposals for FSK/GFSK, OQPSK and OFDM. Candidate draft text was created from these proposals and comments were solicited prior to the January 2010 meeting.  Comment resolution started at the January meeting and was completed at the March 2010 meeting. The comment resolutions can be found here.  
At the March 2010 meeting, the technical editors were instructed to prepare a draft and the Working Group approved a motion for Letter Ballot - LB51.

How to participate

• Participate by attending our Meetings.
• TG4g conducts its discussions on the 802.15 SUN Private Mailing List.  You can learn more about the 802.15 Mailing Lists by pointing your browser here.

Information

• 802.15 documents are available at the Document Archive

Who to contact with questions

The Institute of Electrical and Electronics Engineers, Inc.