Global Standards Collaboration (GSC) 14
DOCUMENT #:
GSC14-PLEN-049
FOR:
Presentation
SOURCE:
TTA
AGENDA ITEM:
6.1
CONTACT(S):
woojaa@keit.re.kr
Toward Harmonized UHF Usage for IMT
Services
Dr. LEE, HyeonWoo
Chair of PG701, TTA
Geneva, 13-16 July 2009
Fostering worldwide interoperability
Highlight of Current Activities
WRC-07 identified some of UHF band, so called digital
dividends, for the IMT on a regional basis.



Region 1: 790-862 MHz
Region 2: 698-806 MHz
Region 3: 698-806 MHz for 9 countries* and 790-806 MHz for others
* Bangladesh, China, Korea (Rep. of), India, Japan, New Zealand, Papua New
Guinea, Philippines and Singapore
450
1710
790 862
470
698
WARC
92
WARC
92
3400
2400
MHz
3600
WRC
2000
2110 2200
WRC
2000
WRC
2000
WARC
92
WARC
92
WRC
2000
WRC
2000
WRC
2000
WARC
92
WARC
92
WRC
2000
790
698
2300
WRC
2000
806
Region 2
Region 3
2025
960
WRC
2000
Region 1
1885
806
Global
identification
Geneva, 13-16 July 2009
Regional
identification
Fostering worldwide interoperability
Country basis
identification
2
Highlight of Current Activities
Mobile Industry is now seeking for the way to use the
band in more efficient manner.


CEPT is finalizing the harmonized frequency arrangement in the
band 790-862 MHz which is FDD arrangement with 30x2 MHz
block with optional approach of TDD on the entire band.
US licensed the band 698-806 MHz based on the frequency plan
allowing technology neutrality and sharing with other services.
ITU-R revised the Rec. ITU-R M.1036-3 in order to
define harmonized frequency arrangement for the
bands newly identified at WRC-07.

It is likely that some options for UHF band are getting in with
regard to the Regional identification as well as country-specific
use.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
3
Proposed Strategic Direction
As ITU-R was invited in the Resolution 224,
harmonized frequency arrangement should be
encouraged to realize the objective of IMT
identification.

The harmonized frequency arrangement is key measure of
efficient use of spectrum.
With regard to the current identification of UHF band,
Regional approach is likely for the harmonized
frequency arrangement.
4
Fostering worldwide interoperability
Challenges
Different usage of the UHF band in Asia-Pacific



Different timing for digital dividends
Different use of current system in the bands
Different identification among countries
Country
DTV System
(Channel BW)
Switch-off
Date
Korea
ATSC (6MHz )
Dec. 2012
698~806MHz (WRC-07)
Japan
ISDB-T (6MHz)
July. 2011
730-770 (paired with 920-950MHz)
China
Chinese Specific (8MHz)
2015
698~806MHz (WRC-07)
India
DVB-T
-
698~806MHz (WRC-07)
New Zealand
DVB-T (8MHz)
2012
698~806MHz (WRC-07)
Australia
DVB-T (7MHz)
After 2010
790~806MHz (WRC-07)
Taiwan
DVB-T (6MHz)
After 2010
ASEAN *
DVB-T (8MHz)
Around 2015
IMT Frequency
790~806MHz (WRC-07)
(Philippines, Singapore: 698~806MHz)
* Brunei Darussalam, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand,
Vietnam
Geneva, 13-16 July 2009
Fostering worldwide interoperability
5
Next Steps Toward Harmonized
Usage of UHF for IMT services
Next Steps in Asia Pacific Countries
AWF (APT Wireless Forum) is investigating on how to develop the
harmonized frequency arrangement suitable for Asia-Pacific Region.
Next Steps in Industry
In addition to the Administrations’ effort in AWF, harmonized
efforts within industry is really necessary to achieve the overall
objective of IMT identification such as economy of scale from the
unified regulatory standards, e.g., RF specification.
Technical analysis for compatibility with existing/between IMT as
well as implementation measures are needed.
Next steps in PSOs
Efforts for harmonized usage of UHF spectrum for IMT service
6
Fostering worldwide interoperability