Telrad BreezeCOMPACT System Manual page 19

Chapter 1 - System DescriptionAbout WiMAX
Chapter 1 - System Description
services, an NSP establishes contractual agreements with one or more NAPs. An NSP may also establish
roaming agreements with other NSPs and contractual agreements with third-party application providers
(e.g. ASP, ISP) for the delivery of WiMAX services to subscribers. From a WiMAX subscriber standpoint,
an NSP may be classified as a home or visited NSP.
1.1.2.5 Base Station (BS)
The WiMAX BS is an entity that implements the WiMAX MAC and PHY in compliance with the IEEE
802.16e standard. A BS operates on one frequency assignment, and incorporates scheduler functions
for uplink and downlink resources.
The basic functionality of the BS includes:
IEEE 802.16e OFDMA PHY/MAC entity
R6 and R8 functionality according to NWG definitions
Extensible Authentication Protocol (EAP) relay
Control message authentication
User traffic authentication and encryption
Handover management
QoS service flow management entity
1.1.2.6 ASN Gateway (ASN-GW)
The ASN-GW is a network entity that acts as a gateway between the ASN and CSN. The ASN functions
hosted in an ASN-GW may be viewed as consisting of two groups - the decision point (DP) and
enforcement point (EP). The EP includes bearer plane functions, and the DP includes non-bearer plane
functions.
The basic DP functionality of the ASN-GW includes:
Implementation of EAP Authenticator and AAA client
Termination of RADIUS protocol against the selected CSN AAA server (home or visited AAA server) for
MS authentication and per-MS policy profile retrieval
Storage of the MS policy profile
Generation of authentication key material
QoS service flow authorization entity
AAA accounting client
The basic EP functionality of the ASN-GW includes:
Classification of downlink data into generic routing encapsulation (GRE) tunnels
Packet header suppression functionality
DHCP functionality
BreezeCOMPACT System Manual
About WiMAX
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