SAA, 1st version - Net!Works

Enabling TechnologieseMobility – Strategic Applications AgendaCharacteristicsGAN allows mobile devices to connect to GSM/UMTS services through WLAN.When no WiFi connection is available, the mobile phone automatically switches from broadband tocellular network in a seamless manner.GAN capable terminals employ 3GPP specific protocols to correspond with the UMA AP.RequirementsProtocols specified in [233] need to be implemented in user and control plane protocolarchitectures.TrafficAvailable services:oooooootelephonyemergency callsshort message servicesgeneral packet radio serviceslocation servicesmultimedia messaging servicessupplementary services like caller ID, voicemail, three-way conference callsEntitiesGAN service must be provided by network operators.Device manufacturers should include the functionalities specified in [233] in mobile devices.IEEE 802.21 Media Independent HandoverNameIEEE 802.21 Media Independent HandoverDescriptionThe IEEE 802.21 Media Independent Handover standard provides link layer intelligence in devices tooptimize handovers between heterogeneous radio access technologies.UtilisationIEEE 802.21 is primarily intended for Vertical Handovers between different radio accesstechnologies and can also be used for Homogeneous Handovers between the same radio accesstechnology.IEEE 802.21 helps with handover initiation, network selection and interface activation and providescomponents to other handover standards.This technology allows maintaining service continuity of applications running in mobile devices ondifferent access technologies.ComponentsThe MIH function is a logical entity which resides in the mobile node as well as on the network side.IEEE 802.21 enables co-operative handover decision making between clients and the network. Themobile client is capable of using network information stored by the network infrastructure, such asavailable networks, neighbor maps and network services.CharacteristicsMIH is a more generalist solution than UMA, since it provides an independent interface betweenradio access technologies and upper layers.RequirementsIEEE 802.21 introduces a Media Independent Handover (MIH) function between layer-2 and theupper layers protocol stack available in mobile devices.TrafficAvailable services in the network where the device is connected.EntitiesNetwork support should be provided by network operators.Device manufacturers should include MIH implementation in new devices.76