1. Range of PoS coverage Date: 2008-05-09 Authors: May, 2008
November 2005
doc.: IEEE /0499r1
May, 2008
Range of PoS coverage
Date:
Authors:
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Gabor Bajko

2. November 2005
doc.: IEEE /0499r1
May, 2008
Coverage range of a PoS
Coverage of a PoS may vary greatly, depending on the radio technology, frequency, power, etc.
A GSM BS coverage is from 100m up to 30km
Same variation for cdma bts, wimax bs, etc.
A a/b/g is usually ~100m
802.11n is up to 250m
It is not possible to guess the coverage range from the radio technology or the other parameters currently available in the spec
Gabor Bajko

3. November 2005
doc.: IEEE /0499r1
May, 2008
802.21v10
Page 55, line 61 says: “the NGHB_RADIUS value (defined in Table C- 15), if provided, indicates the radius of the neighborhood, centered at the indicated location, within which all available access networks will be included in the list of neighboring networks. ”
Even if the precise location of the PoS is included in the response, the MN can not accurately determine if a PoS at location X has coverage across the whole area specified by NGHB_RADIUS, or only at the center or the perimeter of it.
Gabor Bajko

4. Proposal Define a PoA specific ‘Coverage Range’ Information Element
November 2005
doc.: IEEE /0499r1
Proposal
May, 2008
Define a PoA specific ‘Coverage Range’ Information Element
The IE would contain the coverage range of the specific PoA in meters
For certain PoAs the value can be a default one (802.11a/b/g), for the other PoAs the value varies, and the correct value has to be configured
Should be a mandatory IE in the PoA specific container, when PoA location present
Applicability
Would allow the MN to determine the precise network coverage of a PoA or a set of PoAs (e.g. belonging to the same carrier or using the same technology) in a point X or in a certain area
It would also allow the MN to build a carrier or technology based coverage map using only information downloaded from IS
Is text needed to describe applicability?
Gabor Bajko

5. November 2005
doc.: IEEE /0499r1
May, 2008
Gabor Bajko