5G

5G
source
Name	5G
Developer	3GPP; contributions from Qualcomm, Ericsson, Nokia, Huawei Technologies, Samsung Electronics
Introduced	2019
Predecessor	4G
Standards	5G NR, IMT-2020
Frequency	"Sub-6 GHz", "mmWave"
Latency	"1 ms (target)"
Bandwidth	"up to Gbps"

5G 5G is the fifth-generation wireless cellular standard that succeeds 4G and aims to provide enhanced mobile broadband, ultra-reliable low-latency communications, and massive machine-type communications. Major stakeholders include standards bodies such as 3GPP and ITU, equipment manufacturers like Ericsson and Nokia, chipset vendors such as Qualcomm and MediaTek, and network operators including AT&T, Verizon, T-Mobile US, China Mobile, Vodafone Group, and Deutsche Telekom. Early commercial launches were announced by carriers in South Korea, United States, China, United Kingdom, and Japan around 2019–2020.

Overview

The design goals were set by the International Telecommunication Union and further refined in specifications by 3GPP starting with Release 15 and Release 16, involving companies like Huawei Technologies, Samsung Electronics, Intel Corporation, Cisco Systems, ZTE Corporation, Sharp Corporation, NEC Corporation, and Fujitsu. The technology targets diverse markets including consumer devices serviced by Apple Inc., Samsung Electronics, and Xiaomi, industrial deployments championed by Siemens, General Electric, and Bosch (company), and public-sector initiatives such as smart city pilots in Barcelona, Seoul, Singapore, and Amsterdam. Regulatory frameworks and spectrum auctions have been administered by agencies like the Federal Communications Commission, Ofcom, European Commission, Ministry of Industry and Information Technology (China), and national bodies in India and Brazil.

Technology and Architecture

Radio access network architecture extends concepts from Long-Term Evolution and adds new elements like 5G NR physical layer features, massive MIMO pioneered in trials by Nokia and Ericsson, and beamforming developed with contributions from Qualcomm and university groups from Massachusetts Institute of Technology and Tsinghua University. Core network evolution includes service-based architecture influenced by cloud designs from Amazon Web Services, Microsoft Azure, and Google Cloud Platform, and network functions virtualization practices promoted by ETSI and Open Networking Foundation. Virtualization enables network slicing techniques used in trials by NTT Docomo and SK Telecom, orchestration via Kubernetes and OpenStack patterns, and edge computing integrations with Intel Corporation and ARM Holdings hardware. Spectrum utilization spans sub-6 GHz bands previously allocated to carriers like Telefónica and millimeter-wave bands used in experiments by Verizon and KT Corporation. Security frameworks reference work from 3GPP, IETF, and research at Carnegie Mellon University and ETH Zurich.

Deployment and Networks

Commercial rollouts have been staged globally: dense urban coverage in Seoul and Shanghai; targeted mmWave urban cells in New York City, Los Angeles, London, and Tokyo; nationwide coverage strategies in China by China Telecom and China Unicom; and incremental upgrades by incumbent operators such as AT&T and Verizon in the United States. Infrastructure projects involve suppliers like Huawei Technologies, Ericsson, Nokia, Samsung Electronics, and tower companies such as Crown Castle and American Tower Corporation. Public-private partnerships mirror models used in European Union broadband initiatives and national programs in Australia and Canada. Deployment challenges reference supply chains affected by firms like Foxconn, semiconductor constraints from TSMC, and geopolitical tensions between United States and China involving export controls and investment reviews by agencies equivalent to Committee on Foreign Investment in the United States.

Applications and Use Cases

Use cases span enhanced mobile broadband for consumers via devices from Apple Inc. and Samsung Electronics, fixed wireless access promoted by carriers like T-Mobile US and Deutsche Telekom, industrial automation demonstrated in pilots by Siemens and ABB Group, autonomous vehicle experiments involving Tesla, Inc. and Waymo, remote surgery research with hospitals such as Mayo Clinic and Cleveland Clinic, immersive media and gaming from studios collaborating with Sony Interactive Entertainment and Epic Games, and Internet of Things platforms supported by Cisco Systems, Huawei Technologies, and Bosch (company). Smart city deployments integrate systems from Siemens and Schneider Electric, public transport use cases involve transit agencies in Singapore and Hong Kong, and agricultural applications have been trialed with companies like John Deere.

Health, Security, and Environmental Concerns

Health assessments have been reviewed by national agencies such as the World Health Organization, U.S. Food and Drug Administration, Public Health England, and research groups at Karolinska Institutet and Imperial College London. Security analyses cite threats studied by ENISA, NCSC (United Kingdom), and academic centers at Massachusetts Institute of Technology and Stanford University, addressing issues including supply-chain risk with vendors like Huawei Technologies and ZTE Corporation, protocol vulnerabilities examined by IETF working groups, and nation-state activity monitored by intelligence services comparable to NSA and GCHQ. Environmental impact studies reference lifecycle analyses from manufacturers such as Samsung Electronics and Nokia, energy-efficiency work by IEEE Standards Association, and recycling programs led by firms like Google LLC and Apple Inc..

Economic and Regulatory Impacts

Economic projections were produced by organizations such as the OECD, World Bank, International Monetary Fund, GSMA, and McKinsey & Company, estimating effects on productivity, manufacturing, and services across countries including United States, China, Germany, India, and Japan. Spectrum policy, competition law, and national security reviews have involved regulators like the Federal Communications Commission, Ofcom, European Commission, and national ministries such as the Ministry of Internal Affairs and Communications (Japan). Investment dynamics highlight roles for carriers like AT&T and Verizon and vendors including Ericsson and Nokia, while trade disputes and export controls have involved agencies and agreements such as the U.S. Department of Commerce actions and multilateral discussions at WTO meetings.

Category:Telecommunications