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Doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area.

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Presentation on theme: "Doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area."— Presentation transcript:

1 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: TG4a Opening/Closing Report for Atlanta Date Submitted: March 2005 Source: Pat Kinney, Kinney Consulting LLC Contact: Pat Kinney, Kinney Consulting, LLC. Voice: +1 724-575-2469, E-Mail: pat.kinney@ieee.org Re: TG4A Opening/Closing Report for March Session Abstract: Opening/Closing Report for the TG4a Session in Atlanta. Purpose:To provide information on potential location performance of networks based on IEEE 802.15.4. Notice:This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.

2 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 2 TG4a Scope This project will define an alternative PHY clause for a data communication standard with precision ranging, extended range, enhanced robustness and mobility amendment to standard 802.15.4.

3 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 3 TG4a Purpose To provide an international standard for an ultra low complexity, ultra low cost, ultra low power consumption alternate PHY for 802.15.4 (comparable to the goals for 802.15.4-2003). To satisfy an evolutionary set of industrial and consumer requirements for WPAN communications, the precision ranging capability will be accurate to one meter or better, and the communication range, robustness and mobility improved over 802.15.4- 2003. The project will address the requirements to support coexisting networks of sensors, controllers, logistic and peripheral devices in multiple compliant co-located systems.

4 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 4 Meeting Objectives Determine the full list of valid proposals Done! Set the timing of hearing the proposals Done! Hear the proposals Done! Conduct "low hurdle" down-selection if more than six proposals Not necessary! Conduct panel discussion with remaining proposers Not necessary! Discuss TG4a Activity Between March and May Meetings Done! Revise Project Plan Not necessary!

5 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 5 Membership & Anti-Trust Individual membership –In all IEEE standards meetings, membership is by individual, hence you do not represent a company or organization. Anti-Trust laws –The Anti-Trust laws forbid the discussion of prices within our meetings.

6 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 6 6. Patents IEEE standards may include the known use of essential patents, and patent applications, provided the IEEE receives assurance from the patent holder or applicant with respect to patents essential for compliance with both mandatory and optional portions of the standard. This assurance shall be provided without coercion and prior to approval of the standard (or reaffirmation when a patent becomes known after initial approval of the standard). This assurance shall be a letter that is in the form of either a) A general disclaimer to the effect that the patentee will not enforce any of its present or future patent(s) whose use would be required to implement the proposed IEEE standard against any person or entity using the patent(s) to comply with the standard or b) A statement that a license will be made available without compensation or under reasonable rates, with reasonable terms and conditions that are demonstrably free of any unfair discrimination This assurance shall apply, at a minimum, from the date of the standard's approval to the date of the standard's withdrawal and is irrevocable during that period. IEEE-SA Standards Board Bylaws on Patents in Standards Approved by IEEE-SA Standards Board –, March 2003, May 2004

7 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 7 Inappropriate Topics for IEEE WG Meetings Dont discuss licensing terms or conditions Dont discuss product pricing, territorial restrictions or market share Dont discuss ongoing litigation or threatened litigation Dont be silent if inappropriate topics are discussed… do formally object. If you have questions, contact the IEEE Patent Committee Administrator at patcom@ieee.org Approved by IEEE-SA Standards Board – December 2002

8 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 8 Copyright Under the current US copyright law the author of information is deemed to own the copyright from the moment of creation The IEEE Bylaws require copyright of all material to be held by the IEEE –Must consult with IEEE for re-use of copyright material The IEEE Standards accomplishes transfer of copyright ownership through the Project Authorization Request (PAR) process

9 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 9 Chairs Role http://ieee802.org/Mike_Spring_Article_on_Stds_Process. pdfhttp://ieee802.org/Mike_Spring_Article_on_Stds_Process. pdf …the chairperson of the working group is key to what and how fast a standard is produced. The chair of the committee acts as a facilitator with little power to legislate. The chair must be knowledgeable about the subject but also know how a standard may be used by various segments of the industry. A chairperson should be a leader-diplomat-observer, in equal proportions. Also, the chairperson should not be a doer, perfectionist or obstructionist. This is consistent with the view of the chairperson as a skilled leader with strong negotiation skills who delegates.

10 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 10 TG4a Process Proposal is Only the Starting Point! The sole purpose of the proposal is to provide the task group with a baseline concept with which to start the effort of drafting a standard. The acceptance of a single proposal is not a mandate for the task group, the task group can use or discard any and all sections of the proposal towards the goal of a standard fulfilling the PAR. Drafting the Standard Once the baseline has been agreed upon the task group will proceed to draft the standard as per IEEE guidelines. The process for this effort is to work towards a consensus within the task group on each technical detail. Even though only 75% approval is required the task group will seek out a higher consensus where possible. Technical Editors The role of the technical editors is to gather the technical submissions from the task group and to format them into a draft standard complying with the IEEE standard guidelines. The technical editors will drive their respective editing teams to consensus as quickly as possible.

11 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 11

12 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 12 Merged to a single Proposal Points of Agreement for UWB signalling –Modulation scheme should admit multiple classes of receivers Transmitter based on deterministic pulse structures Should allow reception by coherent, differentially-coherent (can be TR) and non-coherent receivers Provision for homogeneous operation when membership supports it –Ternary modulation Specific modulation format TBD –Sub-banding: Center of three bands is mandatory Other two optional Wider bandwidth (1.5 GHz+) concentric with center band is optional CDMA within frequency bands –Harmonic chip rate – integer relationship between center frequency and chip rate Consider ways to avoid Japanese UNII band (shift band lower) –Integer-plus-half is also proposed, some concerns with DC balance –Maintain 3.1 corner Constant PRF is desired as possible –Specific band plan - TBD –Cost effective reference frequency with appropriate PPM Specific frequency and tolerance is TBD –Potential for optional chirp mode (at best, if and where allowed)

13 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 13 Single Proposal Mandatory –~500 center band AM of 3.1-4.9 is 3.975 GM of 3.1-4.9 is 3.877 Center band frequency is TBD, but must be in [3.85 to 4.05] Optional –2 additional 500 MHz bands for FDM – center frequencies TBD –Wideband concentric with center specified above –Sub-GHz band –Chirp of some form (could be 2.4 GHz band – Merger E) –Chaotic waveform and SOP mechanisms for homogeneous (chaos-only) networks –Add TH as additional SOP mechanism –Add chirp specifically for UWB as SOP mechanism –Add specific optional band > 6 GHz with guaranteed >1.5GHz BW –Support mode for higher data rates (few to 10 Mbps) Other issues –Desire to have common packet for communications and ranging if possible –Multiple (2-few) PRF in band

14 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 14 Single Proposal UWB signaling is one of the two valid modes for communication 2.4 GHz chirp is a valid mode for communication only Ranging shall not be supported for 2.4 GHz chirping, and shall be supported for UWB signaling UWB is valid for both communications and ranging

15 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 15 TG4a Schedule

16 doc.: IEEE 15-05-0140-01-004a TG4a March 2005 Pat Kinney - Kinney Consulting LLC.Slide 16 TG4a Activity Between March and May Meetings Add 1-2 technical editors for a total of 3 -4 –UWB, 2.4 GHz, MAC, Ranging Assign and prioritize tasks to each editor Weekly conference calls by technical editors to lead editorial teams to initiate drafting


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