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stds-802-16: TG3 MAC Selection Criteria



To:	stds-802-16@ieee.org
Cc:	brian.kiernan@interdigital.com
Subject:	TG3 MAC Selection Criteria
On Monday 1/28/01 the TG3 appointed an AdHac Group to Develop a Set of 
Criteria  for Choosing the TG3 MAC from the TG3 MAC Proposal.  The group met 
Monday evening and as result the following TG3 MAC Selecting Criteria list 
were identified, with the understanding that the group will work to refine 
these Criteria.  I thus call on those who contributed and anyone else who 
wishes to assist, to comment on how to improve the list that follows.    I 
am thus emailing the list of TG3 MAC Selection Criteria for Comments with 
the objective of presenting the refined Criteria to TG3 for their 
consideration. This will be in lieu of having us toss an unbiased coin or 
use Tarrot cards for making the Subject TG3 decision.

As the chair of the ADHac Group, I want to thank those that contributed to 
the list of Criteria that follows.

TG3 Proposed MAC Selection Criteria
1.	System Requirements
2.	Access Delay and Variance
3.	Payload and Bandwidth Efficiency
4.	Implementation Simplicity and Complexity
5.	Scalability
6.	Service Support Flexibility/Flexibility to supoort a wide range of 
Services
7.	Robustness for Recovery from total loss/ How does a proposed MAC respond 
to such situations
8.	System Security
9.	Maturity of technology
10.	 Sign-on Procedures; Resolving Ranging
11.	 Adequacy of Management Functions
12.	 Convergence with existing Protocols (e.g., WAN/LAN Protocols)
13.	 Ability to work with a number of Physical Layers
14.	 Efficient handling of traffic(e.g., IP and VoIP)
15.	 Robustness: How well does th MAC respond to Multipath and interference
16.	 MAC support of TG3 PHY(s) ranging procedures
17.	 MAC time required to respond to changing user traffic changes
18.	 MAC Support UL and DL ARQ
19.	 Segmentation and Concatenation
20.	Flexible Frame Length/ Capability to change Frame length on a per frame 
basis
21.	Flexibility to support future capabilities(e.g., electronic steerable 
antennas)
22. Flexible MAC Header Formats

List of AdHac Participants
Demos Kostas
      Subbu  Ponnuswamy
      Subir Varma
      Wenhan Zhang
       Heinz Lycklama
       Bob Nelson
       Ken Peirce
       Jacob Jorgensen
      Vladimir Yanover












Dr. Demosthenes J. Kostas
Director, Industry Standards
Adaptive Broadband Corporation

3314 Dartmouth Ave
Dallas, TX 75205  USA

tel: 214 520 8411
fax: 214 520 9802



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