IEEE 802.21

E22567

IEEE 802.21 is a standard that defines mechanisms to enable seamless handover and interoperability between heterogeneous network types, such as Wi-Fi, cellular, and Ethernet.


Statements (46)
Predicate Object
instanceOf IEEE standard
handover standard
mobility management protocol
defines Media Independent Command Service
Media Independent Event Service
Media Independent Handover Function
Media Independent Handover Services
Media Independent Information Service
developedBy IEEE 802 LAN/MAN Standards Committee
Institute of Electrical and Electronics Engineers
enables handover between IEEE and non‑IEEE networks
handover between Wi‑Fi and Ethernet
handover between Wi‑Fi and cellular
horizontal handover
vertical handover
focusesOn heterogeneous network interoperability
media independent handover
seamless handover
fullName IEEE Standard for Local and Metropolitan Area Networks: Media Independent Handover Services
goal enable seamless handover between heterogeneous networks
improve user experience during mobility
reduce handover latency
support service continuity
hasWorkingGroup IEEE 802.21 Working Group
influenced heterogeneous wireless network architectures
seamless mobility solutions in mobile devices
operatesAt between link layer and network layer
partOf IEEE 802 family of standards
provides link layer intelligence
triggers for handover decision
relatedTo mobility management
network discovery and selection
quality of service
scope local and metropolitan area networks
standardType layer‑2.5 mobility standard
status published IEEE standard
supportsNetworkType 3G networks
4G networks
5G networks
IEEE 802.11 Wi‑Fi
IEEE 802.16 WiMAX
IEEE 802.3 Ethernet
cellular networks
non‑IEEE access technologies
uses abstract service access points
media independent primitives

Referenced by (4)
Subject (surface form when different) Predicate
IEEE 802 LAN/MAN Standards Committee
IEEE 802.21 ("IEEE 802.21 Working Group")
hasWorkingGroup
IEEE 802.21 ("IEEE Standard for Local and Metropolitan Area Networks: Media Independent Handover Services")
fullName
IEEE 802 family of standards
includesStandard

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