5G Mobile Networks: Requirements, Enabling Technologies, and Research Activities 51
perspective for the future action. Currently, ETSI NFV ISG has been working on different
aspects of NFV, including architectural models, management and orchestration, software
architecture, and reliability and availability. In November 2015, they set up a new group,
ETSI OSM, for the development of open source software for NFV MANO.
ETSI MEC ISG was founded in 2014 and aims at creating a standardized, open environment to allow the efficient and seamless integration of applications across multi‐
vendor MEC platforms. Many activities are going on within this ISG, including defining
service scenarios, technical requirements, framework and reference architectures, as
well as proof of concepts.
ETSI mWT ISG was launched in 2015, with the purpose of studying mmWave technology for higher frequency bands in between 30 and 300 GHz. Currently, the mWT
ISG is working to facilitate the use of the V‐band (57–66Ghz), the E‐band (71–76
and  81‐86GHz) and, in the future, higher frequency bands (50 GHz up to 300 GHz)
for large volume backhaul and fronthaul applications. The mWT ISG also expects to
publish a specification on the channelization of W‐band (92–114,5GHz) and D‐band
(130–174.8GHz) in the near future.
ETSI NGP ISG was created to review the future landscape of Internet protocols, with
the goal of creating more efficient Internet protocols for future IP networks including
5G. In October 2016, the first group specification on the next generation protocols was
published, which lists example use cases and compares the existing IP suite protocols
with next generation ones.
2.4.4 IEEE Activities
Currently, the IEEE has various 5G initiatives
7
taking place in many working groups,
such as the IEEE 802 standards group, the IEEE Communication Society (ComSoc), and
the IEEE SDN initiative.
The IEEE 802 standards group originally focuses on local and metropolitan networks,
including both wired (IEEE 802.3 for Ethernet) and wireless networks (IEEE 802.11 for
Wi‐Fi, IEEE 802.15 for WPAN, and IEEE 802.16 for WiMaX). Currently, the IEEE 802
standing committee group has been discussing the creation of an IEEE 5G specification
and the relationship between IEEE and IMT‐2020 [34]. Several potential 5G‐related
projects have been considered, such as IEEE 802.11ay for mmWave bands operation,
and IEEE 802.1ah for IoT.
IEEE ComSoc has, since May 2015, been organizing a series of summits that focus on
5G. Recently, IEEE ComSoc has formed an IEEE GET5G Committee to discuss various
issues and challenges related to 5G, and develop special interest groups (SIGs) in various areas such as mmWave, cloud‐based mobile core, Tactile Internet, end‐to‐end
latency, network architecture, and gigabit service enablement, which are crucial to 5G.
The IEEE SDN Initiative was launched in 2014 by the IEEE Future Directions Committee,
addressing specific issues and challenges raised by the adoption of SDN and NFV that
goes beyond technical issues to also encompass skill development and economics. The
IEEE SDN initiative has recently published a white paper, which identifies technical challenges, business sustainability and policy issues of 5G software‐defined ecosystems [35].
7 IEEE 5G Initiative. http://5g.ieee.org/about
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