Transcript 19-05-0023-02-0000-Questions-to-the--CBP-SG.ppt

July 2005
doc.: IEEE 802.19-05/0023r2
Questions to the Contention-based Protocol
(CBP) Study Group
Date: 2005-07-19
Authors:
Name
Company Address
Phone
E-mail
Steve
Shellhammer
Qualcomm
(858) 658-1874
Shellhammer@ieee.org
5775 Morehouse Dr
San Diego, CA 92121
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Submission
Slide 1
Steve Shellhammer, Qualcomm Inc.
July 2005
doc.: IEEE 802.19-05/0023r2
Questions to the CBP SG
• The 802.19 TAG is interesting in understanding
the scope of the CBP Project
• The TAG has several questions to the study
group to help us understand the scope of the
project
• These questions only related to how the FCC
rules are written today.
Submission
Slide 2
Steve Shellhammer, Qualcomm Inc.
July 2005
doc.: IEEE 802.19-05/0023r2
Questions to CBP SG
• What 802 wireless working groups have interest in
operating in the 3650 – 3700 MHz band?
– 802.11 (serious about amending 802.11 to meet the FCC rules)
– 802.16 (have activities underway for techniques that would may
meet the FCC rules e.g. 16h)
– 802.15.3a will also be using 3650-3700MHz, since initial UWB
products will operate around 3.1-4.9GHz
– The FCC will expect whatever is approved will be able to share
with current and future primary government and non-government
users in the band
– The FCC will expect whatever is approved needs to be able to
share with previously approved secondary systems
Submission
Slide 3
Steve Shellhammer, Qualcomm Inc.
July 2005
doc.: IEEE 802.19-05/0023r2
Questions to CBP SG
• Does the CBP group plan to develop a
spectrum sharing technique to enable sharing
between multiple 802 wireless systems?
–
–
–
–
Submission
The current plan is not to develop such a technique
Such a technique may add significant cost
Is developing such a system worth the effort?
There may or may not be a broad market appeal for a
broader project, for a 50 MHz band.
Slide 4
Steve Shellhammer, Qualcomm Inc.
July 2005
doc.: IEEE 802.19-05/0023r2
Questions to CBP SG
• Does the CBP SG see multiple working groups
developing their own contention based
protocols for operating in this band?
– The CBP PAR would enable an extension of 11a or
possibly 11n, other.
– 16h could (be made to) use this band
Submission
Slide 5
Steve Shellhammer, Qualcomm Inc.
July 2005
doc.: IEEE 802.19-05/0023r2
Possible Views on the Scope of the Project
• Option 1 – Amend 802.11 to enable it to operate in the
band and meet the FCC rules
• Option 2 – Develop a spectrum sharing technique (i.e.
CBP) that enables multiple 802 wireless standards to
share the band
• Option 3 – Does the group plan to develop an out-ofband link to resolve a conflict?
• Which approach is the CBP group planning to take?
– Option 1
• Is there value in pursing Option 2?
– Maybe not for this band since it is only 50 MHz
– However, since it is only 50 MHz, there is a need for a spectrum
sharing technique
Submission
Slide 6
Steve Shellhammer, Qualcomm Inc.