Global vsat forum (“gvf”) Information Paper on

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Global VSAT Forum (“GVF”) Information Paper on WRC-15 Agenda Item 1.1

25 July 2013

  1. Introduction

The World Radiocommunication Conference 2012 (“WRC-12”) decided in its Resolution 807 to recommend to the Council the agenda for the World Radiocommunication Conference 2015

(“WRC-15”), which includes an item (Agenda item 1.1) to consider additional spectrum allocations to the mobile service on a primary basis and identification of additional frequency bands for International Mobile Telecommunications (IMT) and related regulatory provisions, to facilitate the development of terrestrial mobile broadband applications, in accordance with Resolution 233 (WRC-12)”.1

The first session of the Conference Preparatory Meeting for WRC-15 (“CPM15-1”) decided to establish a Joint Task Group among Study Groups 4, 5, 6 and 7 (“JTG 4-5-6-7”) as responsible for conducting the relevant studies in accordance with the Terms of Reference specified in Annex 10 of the Administrative Circular CA/201.2 ITU-R Working Party 5D (“WP 5D”) is tasked with determining “suitable frequency ranges” for International Mobile Telecommunications (“IMT”) systems.
WP 5D is continuing to work on the identification of “suitable frequency bands”. At present, a large number of frequency bands have been identified, totalling 3,765 MHz below 6 GHz. These frequency bands are in addition to the total of 1,177 MHz which have already been identified for IMT in the Radio Regulations, and the 738.5 MHz which are available for Radio Local Area Networks (“RLANs”). Some frequency bands above 6 GHz have also been suggested by WP 5D, these bands totalling an additional 5,100 MHz of spectrum. In all, more than 10,000 MHz of spectrum has been suggested as potentially suitable for use by IMT systems.

1 Resolution 807 (WRC-12) (available at

2 CPM15-1 Decision on the Establishment and Terms of Reference of Joint Task Group 4-5-6-7 (available at See also, ITU-R Administrative Circular CA/201 (19 March 2012) (available at

Several of the identified bands for IMT systems are allocated to satellite applications, and are either currently used or are planned for use by satellite applications. The frequency bands of particular concern to the global satellite community are the following:
1,452-1,492 MHz

1,518-1,559 MHz

1,610-1,660.5 MHz

1,660.5-1,668 MHz

1,668-1,675 MHz

3,400-4,200 MHz

4,500-4,800 MHz

5,850-6,425 MHz

13.75-14 GHz

18.1-18.6 GHz

27-29.5 GHz

38-39.5 GHz

This document examines the potential for operation of IMT systems in some of these frequency bands. In particular, this document provides detailed discussion on the L-band geostationary mobile-satellite service (“GSO MSS”) bands and the C-band fixed-satellite service (“FSS”) bands, which are widely used by satellite applications and for which there currently appears to be interest for terrestrial IMT applications.3

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