700 MHz band

700 MHz band The 700 MHz band is a portion of the radio frequency spectrum used widely for mobile telephony, broadcasting, and public safety. It has been central to debates involving Federal Communications Commission, International Telecommunication Union, European Commission, United States Department of Commerce, and national regulators such as Ofcom and Industry Canada. Decisions about the band have affected participants like AT&T, Verizon Communications, T-Mobile US, China Mobile, Vodafone Group, Deutsche Telekom, NTT Docomo, Telefónica, Orange S.A., Nokia, Ericsson, Qualcomm, Samsung Electronics, and Apple Inc..

Overview

The 700 MHz band comprises frequencies near 700 megahertz that fall between the UHF television band and other ultra high frequency allocations, shaping policy discussions in venues including World Radiocommunication Conference 2015, World Radiocommunication Conference 2019, and World Radiocommunication Conference 2023. Reallocation from incumbents such as National Broadcasting Company, British Broadcasting Corporation, Radio Television Hong Kong, and regional broadcasters to mobile operators prompted legal and commercial actions involving entities like Dish Network, DirecTV, BBC Trust, Australian Communications and Media Authority, and Telecommunications Regulatory Authority. The band’s release has been influenced by landmark proceedings involving the Spectrum Policy Task Force, the Digital Britain initiative, and the Digital Television Transition and Public Safety Act of 2005.

Spectrum Allocation and Frequency Plan

Allocation plans map sub-bands, duplex splits, and guard bands, with regulatory frameworks adopted by Federal Communications Commission, European Conference of Postal and Telecommunications Administrations, Asia-Pacific Telecommunity, and national bodies such as Agence Nationale des Fréquences and Bundesnetzagentur. Typical arrangements include paired allocations for Frequency Division Duplex (FDD) used by operators like Vodafone Group and unpaired channel blocks for Time Division Duplex (TDD) used by China Mobile and Huawei Technologies. Auction designs have been informed by precedents at FCC Auction 73, UK 4G spectrum auction, Auction 97, Auction 701, and regional processes in India conducted by the Telecom Regulatory Authority of India. International harmonization efforts referenced decisions from WRC-07 and later WRC meetings where delegations from United States, European Union, Japan, South Korea, Brazil, South Africa, Canada, Mexico, Argentina, and Australia negotiated band plans.

Uses and Technologies

The band supports technologies including Long-Term Evolution, LTE Advanced, 5G NR, and legacy services such as Advanced Wireless Services and mobile broadcasting standards like MediaFLO, Digital Audio Broadcasting, and DVB-T2. Vendors such as Ericsson, Nokia, Huawei Technologies, ZTE Corporation, Samsung Electronics, Qualcomm, Intel Corporation, and Broadcom developed base stations, user equipment, and chipsets optimized for these frequencies. Network deployments by operators like AT&T, Verizon Communications, T-Mobile US, Sprint Corporation, China Telecom, and Telefónica leveraged the band for improved in-building coverage and rural reach, complementing higher-frequency layers used by SK Telecom and KT Corporation.

Regulation and Licensing

Licensing regimes have varied: national auctions, beauty contests, and comparative selection processes administered by agencies such as the Federal Communications Commission, Ofcom, Australian Communications and Media Authority, Agence nationale des fréquences, and Telecom Regulatory Authority of India. Regulatory topics included interference mitigation with incumbents like BBC, CBC/Radio-Canada, NHK, RAI, ARD, and TV Tokyo; cross-border coordination with neighbors such as Mexico and Canada; and public safety assignments as advocated by organizations including the National Telecommunications and Information Administration, FirstNet Authority, National Association of State Chief Information Officers, and International Association of Fire Chiefs. Legal disputes over auction rules and reserve prices involved firms like Sprint Corporation and Dish Network as well as governmental reviews under statutes exemplified by the Communications Act of 1934.

International Coordination and Auctions

Major auctions reshaped markets: the United States 700 MHz auction influenced global strategies of carriers including AT&T and Verizon Communications; the UK 4G auction set precedents for competition conditions involving Three UK and EE Limited; India’s spectrum sales engaged bidders such as Bharti Airtel and Reliance Jio; and regional harmonization actions coordinated at WRC meetings. Border coordination involved administrations from United States, Canada, Mexico, Belize, and Guatemala, and bilateral agreements considered by European Union member states to align plans for cross-border services and terrestrial broadcasting incumbents.

Technical Characteristics and Propagation

Frequencies around 700 MHz provide favorable propagation properties: better penetration through building materials and extended range compared with higher bands used by Qualcomm and Intel Corporation in millimeter-wave experiments. Coverage benefits are often contrasted with capacity considerations addressed by vendors such as Ericsson, Nokia, and Huawei Technologies through small-cell deployments and carrier aggregation techniques standardized by 3GPP and tested in trials with equipment from Cisco Systems and Alcatel-Lucent. Coexistence challenges have prompted studies by research institutions including NTIA, Fraunhofer Society, National Institute of Standards and Technology, EURESCOM, and universities like Massachusetts Institute of Technology, Stanford University, Tsinghua University, and Imperial College London.

Impact on Public Safety and Broadband Access

Reallocations enabled initiatives like FirstNet in the United States Department of Commerce context and influenced public safety communications for organizations such as Federal Emergency Management Agency, New York City Fire Department, Los Angeles Police Department, and Royal Canadian Mounted Police. The band’s propagation characteristics aided rural broadband projects pursued by carriers including Rural Electrification Administration-supported programs, community networks, and international development efforts involving United Nations Development Programme and World Bank. Policy outcomes touched on digital inclusion debates involving stakeholders such as International Telecommunication Union, Global System for Mobile Communications Association, CTIA, GSMA, and consumer advocates in forums like Internet Governance Forum.

Category:Radio spectrum