AirspanNetworks2.pptVIP

14 October 2000 ? Airspan Networks Inc. 802.16d Fixed WiMAX Reference ArchitectureLAYER 2 Typical Fixed WiMAX (16d) Network Architecture – Layer 2 Mobile WiMAX (16e) NWG Reference Network Architecture * IP Core (Defined by Operator) Internet Firewall Authentication Authorisation DNS Access Network SS SS OBSAI OBSAI SNMP Operations Support System (OSS) HTTP/SOAP/XML Base Station Element Manager SS 802.16-2004 802.16-2004 802.16-2004 DHCP Layer 2 Network VLAN tagging Flexible architecture, which varies according to customer requirements ideally targets typical VoIP and ADSL / SDLS type services on a LAYER 2 network. Base Station Base Station 802.16e Mobile WiMAX Reference ArchitectureLAYER 3 R1 R3 R6 R8 Connectivity Service Network (CSN) Internet Firewall H-AAA e.g. Bridgewater MVNO LNS HA H-AAA DNS Access Service Network (ASN) Enterprise BS BS ASN-GW R6 MS R1 MS OBSAI OBSAI 802.16e-2005 802.16e-2005 Operations Support System (OSS) HTTP/SOAP/XML R8 BS Element Manager R1 R6 R4 Other ASN or ASN-GW R5 Other CSN(e.g. home or visited) Standard Architecture, (RX Interfaces) defined by the WiMAX Forum Network Working Group (NWG) to target embedded mobile devices – Uplink limited – handover optimised and a LAYER 3 network 802.16e-2005 SNMP Mobile WiMAX Architecture with Wholesale Access (Layer 3) Throughput Comparisons WiMAX “d” vs “e” Allowed Tx/RX Splits - Considerations Tx/Rx Split Tx/Rx Split Fixed “d” WiMAX – eg 10MHz channel Mobile “e” WiMAX– eg 10MHz channel Allowed Splits 55:45 to 74:26 Allowed Splits 80:20 to 20:80 Considerations: Fixed WiMAX 802.16d Flexible adaptations to mix of traffic / service types to match ADSL/SDLS and business symmetrical services for carriage of Voice, Data and Multimedia services. Mobile WiMAX 802.16e Limited allowed splits within Standard – NOT targeted for fixed services delivery i.e. targeted for Mobile Devices (USB etc) and NOT ADSL / SDLS equivalent services.