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Sd'WASHINGTON, D.C. 20554`~(#c DA 981703 ă  1 yx dddhy  aE@#6\  P6Q?ݐP#News media information 202/4180500 FaxOnDemand 202/4182830 Internet: http://www.fcc.gov ftp.fcc.gov  sN#x7  PT6QwP#  `4 #]7  PT6Q.P#XX` ` X XXhhCXqX (#  X4#XP\  P6Q XP#Report No. IN 9848 INTERNATIONAL ACTION August 26, 1998  X 4P  COMMISSION STAFF SEEK COMMENT ON SPECTRUM ISSUES RELATED TO THIRD GENERATION WIRELESS/IMT2000  X ' ă The International Telecommunication Union (ITU) is in the process of identifying the longterm spectrum requirements for future "third generation" mobile wireless telecommunications systems, referred to as International Mobile Telecommunications 2000 (IMT2000). In 1992, the ITU identified 230 megahertz of spectrum near 2 GHz that could be used by administrations wishing to implement IMT2000 systems. Based on concerns that 230megahertz might be insufficient in the long term, the ITU is now considering whether additional spectrum should be identified for IMT2000 systems. In conjunction with the ITU's efforts, Commission staff are participating in domestic and international efforts to determine whether additional spectrum is required for IMT2000 systems and, if so, how much. This determination, along with the possible identification of frequency bands that could be made available for use by IMT2000 systems, must include consideration of numerous factors, including: other wireless services that have already been authorized; compatibility with current spectrum uses; interference potential; and sharing issues. To refine our analysis of potential IMT2000 spectrum needs, we seek comment on a series of questions, given below, regarding the types of wireless services expected in the future, bandwidth and overall spectrum requirements, spectrum location, technological advancements, and spectrum efficiency. We also seek comment regarding the potential impact on the existing services and the potential for IMT2000 sharing with those services. I. Background For several years the ITU has been developing recommendations for a new generation of mobile wireless telecommunications systems. These IMT2000 systems are expected to become available for use around the year 2000, subject to market considerations. It is anticipated that IMT2000 systems will offer greatly enhanced data and bandwidth capabilities, and will begin to converge differing regional or national mobile systems into a radio infrastructure capable of offering services on a global basis. IMT2000 systems would be capable of providing a wide range of services (multimedia, videoteleconferencing, high speed internet, speech and high rate data) over a wide range of environments (e.g. indoor, pedestrian, vehicular, urban, and rural), and would allow the integration of both terrestrial and satellitebased service. The spectrum issues associated with IMT2000 have been addressed through successive World Radiocommunication Conferences (WRCs). The 1992 World Administrative Radiocommunication Conference (WARC92) identified 230 megahertz (18852025 and 2110*+++7+e@d;[!,L '#  hԫ2220 MHz) for use on a worldwide basis by administrations wishing to implement IMT-2000  X4systems yOV'ԍ This was subsequently modified in 1995 and 1997. See Section S5.388 of the ITU Radio Regulations.. Later, in response to concerns that 230 megahertz of spectrum for IMT2000 systems might be insufficient in the long term to accommodate the anticipated growth of wireless services, WRC97 decided that IMT2000 issues should be reexamined at the next WRC (scheduled for the year 2000). Specifically, WRC97 decided that WRC2000 will undertake the: X"review of spectrum and regulatory issues for advanced mobile applications in the context of IMT2000, noting that there is an urgent need to provide more spectrum for the terrestrial component of such applications and that priority should be given to terrestrial mobile spectrum needs, and adjustments to the Table of Frequency Allocations as necessary;" and,(# X"identification of a global radio control channel to facilitate multimedia terminal  X 4operation and worldwide roaming of IMT2000"X X yO'ԍ See "resolves" 1.6 of Resolution 721 (WRC97).X (# In the United States, Personal Communications Service (PCS) systems operate in the 18501990 MHz band, which significantly overlaps with the spectrum identified by the ITU for IMT2000 systems. In addition, the Commission has allocated 19902025 MHz and 21652200 MHz for MobileSatellite Service (MSS) stations. Both PCS and MSS licenses offer services that are similar (but not necessarily as advanced as) those anticipated for IMT2000 systems. FCC rules allow any Commercial Mobile Radio Service (CMRS) licensee the flexibility to change their existing radio transmission technology without further approval. Thus, existing U.S. CMRS licensees could implement IMT2000 technology in their existing bands once this technology becomes available. Given the anticipated growth for wireless services, and the potential demand for new, higher data rate and bandwidth services that may be satisfied by IMT2000 systems, some members of the U.S. wireless industry have indicated a need for additional spectrum that could be used to provide IMT2000, or IMT2000like, services in the 20052010 timeframe. II. IMT2000 Issues for Comment The U.S. must work proactively to develop positions on IMT2000 issues, because such issues will likely be one of the major topics discussed at WRC2000. The U.S. positions on the radio aspects of IMT2000 are being developed in an ad hoc group of U.S. government and  X74industry participants in the ITU IMT2000 activities.X7 yO#'Ѝ For further information on this group, contact Henry Straube, U.S. Representative to ITUR Task Group 8/1, FCC International Bureau, 2000 M Street, NW, Room 800, Washington DC, 20554; phone 2024182144; email hstraube@fcc.gov. This group has been developing some preliminary estimates of the future IMT2000 spectrum requirements for the 20052010 timeframe. U.S. proponents of IMT2000 have initially estimated their requirements to be approximately 499megahertz for terrestrial wireless systems, approximately 309 megahertz more than the existing PCS, cellular, and enhanced Specialized Mobile Radio spectrum. "!+0*0* "" Furthermore, space system proponents have estimated that they will need 136 megahertz above and beyond that already available for MSS. We believe that additional public comment may help the U.S. government to develop, elaborate and refine these estimates as well as its positions on IMT2000 spectrum issues. Considering the amount of spectrum contained in the initial spectrum estimates, as well as the desire for using spectrum below 3 GHz, it is essential that the current users of the spectrum take part in this dialogue. Recognizing that IMT2000 incorporates both satellite and terrestrial components, we invite comments from both industries on the following topics and questions:  V4X` hp x (#%'0*,.8135@8: