With the convergence of cloud computing and mobile networks, conventional architectures of network elements need to be redesigned in order to fully harness bene ts such as scalability and elasticity. A distributed lte mobility management entity mullender, sape j wood, thomas l. Us9699694b2 mobility management entity mme triggered. Dmme is an example of a flexible control plane architecture that can be deployed incrementally across operator networks. Sep 01, 2012 dmme is a distributed architecture that implements mobility management for next. Mobility of management, job hopping was one of the practices dr. A distributed lte mobility management entity dmme is a distributed architecture that implements mobility management for nextgeneration cellular systems.
A method of distributing a security key context, where the method includes receiving, by a mobility management entity, a first indication from a primary base station, where the first indication is used for requesting a path switch from the mobility management entity and indicating that the path switch is triggered by carrier aggregation between base stations. However, an exponential growth in network traffic and the number of users has ushered in the concept of providing mobility management as a service mmaas to the wireless. The mme is connected to a large number of evolved node bs cells that are grouped into the trackingareastas. There is no limit on the total cost of the project. However, ohio mobility management program funds are limited. A distributed lte mobility management entity ieee xplore. Mobility management basics creating innovative transportation solutions reaching consensus among coordination partners mobility management basics ii meetings with purpose and newly released new. Written by a renowned group of worldwide experts, this book surveys the myriad facets of monitoring people in motion, from spatiotemporal data modeling, to data aggregation. Pdf an investigation on lte mobility management researchgate. Mobility management programmes and measures can be divided in categories according to their characteristics, such as target groups, objective and mode of transport promoted. Term evolution lte networks is a vital process to keep an individual user equipment ue. Pdf in a long term evolution lte based cellular network, the mobility management entity mme is responsible for nondata signaling.
The aim of mobility management is to track where the subscribers are, allowing calls, sms and other mobile phone services to be delivered to them. Term evolution lte networks is a vital process to keep an individual user equipment ue connected while moving within the network coverage area. Mobility management entity mme mobility management unit on a lte network is centralized control unit for key operations on access network and core network. The mme is also concerned with the bearer activationdeactivation process. It is responsible for idle mode ue user equipment paging and tagging procedure including retransmissions. With cmm, you get the flexibility, performance, scalability, and reliability you need to support network signaling loads that are increasing with the rise of subscribers, connected devices, and new network applications.
In his book pihkal, the minimum dosage is listed as 40 mg, and the duration listed as 610 hours. The sae has a flat, allip architecture with separation of control plane and user plane traffic. Two of the four elements that comprise the management system play a big role in why the rapid movement of managers and executives from one job to. Mme mobility management entity the mme is the key controlnode for the lte accessnetwork.
Enterprise mobility management emm is the set of people, processes and technology focused on managing mobile devices, wireless networks, and other mobile computing services in a business context. Automated testing for mobility management entity of long term. Mobility management entity how is mobility management. Mobility management entity mme visitor location register vlr sgs interface specification. Mme abbreviation stands for mobility management entity. It has been designed to serve as a scalable and costeffective dropin replacement for the long term evolution lte mobility management entity mme.
Mobility management user manual 16 mobility management is primarily a demand orientated appr oach to passenger and fr eight transport that involves new partnerships and a set of tools to support and encourage change of attitude and behaviour towar ds. Deming included in his list of 7 deadly diseases to understand why we can look at the underpinnings of demings management system. It also handles mobility procedures, ue tracking, and paging. The ability to track the routes and patterns associated with this mobility offers unprecedented opportunities for developing new, smarter applications in different domains. Cisco mobility management entity denial of service. It has been designed to serve as a scalable and cost. Mme mobility management entity the mme is responsible for mobility and session management procedures in the epc. Systems, methods, apparatuses, and a computer program products for mobility management entity mme triggered detach and reattach to a specific target mme are provided. A distributed lte mobility management entity semantic. As more workers have bought smartphone and tablet computing devices and have sought support for using these devices in the workplace, emm has become increasingly. In lte, the mobility management entity mme is responsible for the mobility management function. The epc will serve as the equivalent of gprs networks via the mobility management entity, serving gateway and pdn gateway subcomponents.
It generates temporary identities and allocates them to ues. Mobility management entity overview ciscomobilitymanagemententitymmeiscriticaltothenetworkfunctionofthe4gmobilecorenetwork, knownastheevolvedpacketcoreepc. Automated testing for mobility management entity of long. Dmme is a distributed architecture that implements mobility management for nextgeneration cellular systems. Mobility management entity mme visitor location register vlr sgs interface specification 3gpp ts 29. A principle goal of mobility management is to design local and regional solutions customized to fit the communitys needs, resources, and vision. The main component of the sae architecture is the evolved packet core epc, also known as sae core. That is, communication with the current mobility management entity and a new mobility management entity is conducted for completing or terminating the handover of the s1 connection for the at least one subscriber from the current mobility management entity to the new mobility management entity while maintaining the current cell and tracking. Two of the four elements that comprise the management system play a big role in why the rapid movement of managers and executives from one job to the next is a. Distributed mobility management for future 5g networks. Mobility management is an approach to designing and delivering transportation services that starts and ends with the customer. It begins with a community vision in which the entire transportation networkpublic transit, private operators. As such, the mme communicates with the mobile via nas non access stratum signalling and communicates with the hss through diameter. Pdf mobility management as a service for 5g networks.
It checks authorization as to whether the ue may camp on the tracking area ta or on the public land mobile network plmn. Mobility management entity mme and serving gprs support node sgsn related interfaces based on diameter protocol 3gpp ts 29. The mobility management entity mme, which presents a key control node for the lte access network, manages ue access network and mobility, as well as establishing the bearer path for ues. It begins with a community vision in which the entire transportation network. Pdf modeling mme residence time in lte based cellular. Not all projects may be selected for funding, and selected projects may not. Enterprise mobility management is a set of systems intended to prevent unauthorized access to enterprise applications andor corporate data on mobile devices. Pdf mobility management framework, issues and challenges.
Automated testing for mobility management entity of long term evolution system masters thesis espoo, october 20, 2012 supervisor. Mobility management programmes target a specific type of trip or a geographic area and they include a diversity of measures in order to promote sustainable modes of transport. Mobility management means helping communities and individuals create and manage their mobility options. Mobility management is one of the major functions of a gsm or a umts network that allows mobile phones to work.
Jan 28, 2016 that is, communication with the current mobility management entity and a new mobility management entity is conducted for completing or terminating the handover of the s1 connection for the at least one subscriber from the current mobility management entity to the new mobility management entity while maintaining the current cell and tracking. Embodiments of the invention generally relate to wireless communications networks, such as the universal mobile telecommunications system umts terrestrial radio access network utran long term evolution lte and evolved utran eutran. The vulnerability is due to insufficient input validation of sctp traffic. Wo2014169950a1 mobility management entity mme triggered. A distributed lte mobility management entity request pdf. Mobility management entity mme manages and stores ue idle state context e. As the network evolves to 5g, cmm adds the 5g core access mobility and management function amf. However, an exponential growth in network traffic and the number of users has ushered in the concept of providing mobility management as a service mmaas. The receiving of the trigger may cause the initiating of a guti reallocation command. Mobility management means helping communities and individuals create and manage their mobility options a bit longer explanation. Mobility management an overview sciencedirect topics. Mm entity mme is the lte component responsible for tracking and paging procedures and controlling the corresponding signaling between the ue and its serving cell. When a mobility management practitionerwhether an individual or an agency.
Jul 15, 20 mobility of management, job hopping was one of the practices dr. Mme mme, or 2,4dimethoxy5ethoxyamphetamine, is a lesserknown psychedelic drug. Mobility management entity mme, policy and charging control function. Cisco mobility management entity denial of service vulnerability. Network access control nacnac is involved in authentication and authorization for the ue mobile phone. The mobility management entity mme, which presents a key control node for the lte access network, manages ue access network and mobility, as well as. A distributed lte mobility management entity, bell. Mobility management entity mme is the key control function in the epc network. Mobility management mm techniques have conventionally been centralized in nature, wherein a single network entity has been responsible for handling the mobility related tasks of the mobile nodes attached to the network. Cisco asr 5x00 mobility management entity administration guide. The main functionality of the mme is attach and detach of ue, authentication, choosing sgw and pgw for the ue, and management of pdn connections and epc bearers. These can include password protection, encryption andor remote wipe technology, which allows an administrator to delete all data from a misplaced device. Practitioners of mobility management embrace both triedandtrue offerings and innovative solutions. Mme mobility management entity broadband session management, authentication and roaming mme is a key component of the standardsdefined evolved pack core epc and provides mobility session management for the lte broadband network for subscriber authentication, roaming and handovers to other networks.
Design and implementation of a distributed mobility. To understand why we can look at the underpinnings of demings management system. The ohio mobility management program provides 80% of the total cost of eligible expenses. A vulnerability in the implementation of the stream control transmission protocol sctp on cisco mobility management entity mme could allow an unauthenticated, remote attacker to cause a denial of service dos condition on an enodeb that is connected to an affected device. Proxy mobile ipv6 is a centralized mobility management protocol where a core entity called the local mobility anchor lma establishes bidirectional tunnels with the mobility access gateways mags, located in the access networks. Method of distributing security key context, mobility. Mobility management is an important issue in the area of mobile communications, which can be best solved at the network layer. Mme administration guide, staros release 20 mobility management entity overview. A distributed lte mobility management entity, bell labs. One method includes receiving or obtaining a trigger to move a ue attached to a source mme to another target mme. Mobility management in long term evolution lte is different from that in the third generation mobile telecom networks. Management entity an overview sciencedirect topics. Cost allocation for community transportation elearning course our new five module course will help transit managers understand the. Dmme is an example of a flexible control plane architecture that can be deployed incrementally across.863 65 284 594 157 1389 258 940 1236 732 1375 646 1121 914 787 1617 359 401 1460 643 140 1424 784 944 1267 1381 1162 717 1031 1186 450 371 42 104 1142 639 246 185 128 741 597