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WiMAX Wars - What happened at WRC-07 with respect to allocations for BWA?
Posted: January 2009
Article Index
WiMAX Wars
page 2 - IMT designation
page 3 - What happened at WRC-07 with respect to allocations for BWA?
page 4 - Where does IMT fit with respect to 3G and 4G networks?
page 5 - Where does WiMAX fit in the BWA picture?
page 6 - Differences and similarities between Wi-Fi and WiMAX
page 7 - What kind of interference can satellite operators expect from WiMAX operation?
page 8 - What can Asian satellite operators expect in terms of future deployment of BWA technologies?
All Pages
Page 3 of 8

 

2.  What happened at WRC-07 with respect to allocations for BWA?


WRC-07 Changes to C-band Allocations
The best result at WRC-07 for satellite operators would have been no IMT designation within the C-band.  While not a complete success, the results were good since WRC-07:
1)limited IMT designations through opt-in footnotes in the range 3.4 – 3.6 GHz (see Annex 1);
2)adopted very stringent protection criteria from IMT interference into FSS operation in neighbouring countries.

It was important that the footnotes be opt-in footnotes rather than opt-out footnotes.  In the case of opt-out footnotes, at each WRC there is an agenda item that encourages administrations to delete their names from footnotes since the service addressed by a footnote is considered an exception to the Table of Frequency Allocation.  This would mean that in the long term the satellite community would likely be forced to completely abandon the portion of the C-band covered by the footnote.  In Region 3 the great majority of administrations did not want a footnote for IMT designation and an opt-in footnote containing the small number of administrations wanting IMT designation is more appropriate.  However, in Region 1, the vast majority of administrations wanted an IMT designation and an opt-out footnote would have been more appropriate for the smaller number of administrations that did not want an IMT designation.  Since the footnote is opt-in, it contains a large number of administrations for Region 1. 

Changes in ITU Region 3:
3.4 – 3.5 GHz, Footnote 5.BBB
Some countries wanted the secondary allocation to mobile upgraded to a primary allocation and this band identified for IMT.  This is accomplished by the footnote 5.BBB.  The following 7 countries (areas) are in this footnote: Bangladesh, China, India, Iran, New Zealand, Singapore and French Overseas Communities in Region 3

Footnote 5.AAA1
Three countries in this footnote wanted to leave the mobile as a secondary allocation but to identify this band for IMT.  These countries are Korea, Japan and Pakistan.

3.5 – 3.6 GHz, Footnote 5.CCC
Before WRC-07 the MOBILE allocation was one of the primary allocations (along with the FIXED and the FIXED-SATELLITE) in this band.  The following 8 countries (and French territories) wanted an IMT designation for this band and are included in this footnote: Bangladesh, China, Korea, India, Iran, Japan, New Zealand, Pakistan and French Overseas Communities in Region 3.  (This is the same list as in footnote 5.BBB less Singapore but with the addition of Korea, Japan and Pakistan.)

In Region 1 a footnote allocates the band 3.4 – 3.6 GHz to the mobile service on a primary basis and designates the band for IMT in 81 countries.

In Region 2 a footnote allocates the band 3.4 – 3.5 GHz to the mobile service on a primary basis (but without a designation for IMT) in 14 countries.
 
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Comments
Add New Search
anyone   |2010-03-19 01:32:17
Arrange new frequencies for wimax (BWA) and distances from c band such as 1GHz
to 15GHz to above use frequencies.
Posted2010-03-19 01:32:17 by anyone.
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