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e-rake.us.com
Ultra - Fast Roaming @ Mobility
Caractéristiques de la mobilité eRake Radio FFC:
Système e MESH propriétaireSystème Wireless Rake propriétaire @ IEEE 802.11n Hardware Far Field communicationsRoaming ( < 20ms fast handover) Mobilitée 200Km/hr @ 5.4 GHzRecherche automatique du meilleur cheminHautes performances en mobilité @ IEEE 802.11n Base HardwareClef d’encryption dynamiqueDébit adaptatif
Les clefs du succès de la Mobilité : Un bon maillage de la couverture.Une Topologie MESH (Ethernet Shortcut..)Des Radio & antennes cellulaires adaptéesDesRadio & antennes mobiles spécifiquesDes accès WiFi standard
e-rake.us.com
e-rake.us.com
eRake Mobility Features: Working under e MESH systemProprietary Rake System @ IEEE 802.11n HardwareWireless seamless handover( < 20ms fast handover)200Km/hr High Speed MobilityAuto Forwarding Path DiscoverHigh Performance Mobility System @ IEEE 802.11n Based
HardwareWireless Dynamic Key Encryption Wireless Rate Adaptation
The Key of Success for Mobility: Good MESH CoverageAppropriate MESH Topology (Ethernet Shortcut..)Appropriate Antenna DeploymentAppropriate Antenna of Mobility Station
MG (MESH Gateway)Wire to connect to LAN or WAN
MP (MESH Point)Wireless connections to form wireless backbone
MAP (MESH Access Point)To provide services to 1. Standard WiFi devices(such as NB, Smartphone…) 2. MESH mobility device(MSTA)
MSTA (Mobility Station)MESH Mobility End Device
Device roles of mesh architecture: Device roles of mesh architecture:
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Compréhension du concept Triple radio + 6 antennes MIMO: Compréhension du concept Triple radio + 6 antennes MIMO:
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System basic architectureSystem basic architecture
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ApplicationsApplications
Radio1Ant #1
Radio1Ant #2
Radio2Ant #1
Radio2Ant #2
Radio3Ant #1
Radio3Ant #2
To Mobile Trains
To N+1 station To N-1 station
N stationN stationWiFi 802.11 a/n or g/n WiFi 802.11 a/n or g/n Hotspot service in carriagesHotspot service in carriages
N station…….N-1 StationN+1 station
Train mobile Train mobile
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Schéma Fonctionnel Nomade Roaming Radio 802.11
175 Mbps + 1 ms
170 Mbps +1 ms 165 Mbps +1 ms
175 Mbps +1 ms
Réseau Gigabit FH ou Fibre Optique 350 Mbps utilles, latences de 1 Ms par saut, soit 10 Ms et 125 Mbps pour la station No 10
Avec Batteries intégrées, autonomie minimale de 8 à 10 heures.
Prévu avec Connexion a des batteries externes pour des autonomies de
plusieurs semaines.
Schortcut architectureSchortcut architecture
1. All road side nodes are connected to wire directly1. All road side nodes are connected to wire directly2. More stable and reliable system2. More stable and reliable system3. More throughput3. More throughput
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Ethernet Fibre shortcut deployment :Ethernet Fibre shortcut deployment :
To combine To combine wireless mesh and ‘’Ethernet shortcut ’’wireless mesh and ‘’Ethernet shortcut ’’: : 1. To backup wire line1. To backup wire line2. More flexible for deployment2. More flexible for deployment
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