Alcatel-Lucent WiMAX Network Router User Manual


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Alcatel-Lucent End-to-End IP Wireless-Broadband Solution for WiMAX 9
Tomaintainreliableperformancefor
real-time applications, such as voice
over IP and video, the Alcatel-Lucent
WiMAXsolutionmanagesQoSdy-
namically,withtrafcprioritization
acrossallnetworklevels.Starting
with the request from the end-user
device, each network level commu-
nicates with the others to determine
therequiredQoSlevelforthesession.
Thenitdynamicallychecksthenetwork
resources available, based on the
rights of the subscriber. And finally,
packets are tagged accordingly, estab-
lishingend-to-endows.Theresultis
outstandingQoS.TheAlcatel-Lucent
WiMAX solution has recorded a
voice-qualityMeanOpinionScore
of 4.1 out of 5.0 in urban field deploy-
ments – a higher level of quality than
demonstratedwithtop-qualityGSM
codecs under ideal radio conditions.
However, IP traffic is much less predict-
able than in past wireless or cellular
networks.TheAlcatel-Lucent
End-to-EndIPWireless-Broadband
SolutionforWiMAXgoeseven
further, incorporating latest innova-
tionsfromBellLabstogiveunprec-
edentedQoS/QoEguarantees.The
Alcatel-Lucent 9900 Wireless Network
Guardianistherstproductonthe
market providing simultaneous, real-
time visibility over every link of the
wireless broadband network where
overload could cause the network
to crash.
IP mastery for unrivalled QoS/QoE
WiMAX access
network
DSCP/802.1p
tagging in UL PEF
Transport plane
WACBase
station
D
C
B
Application
client (SIP
user agent,
RTSP client)
WiMAX radio
interface
Session border
controllerDevice
A
Application
proxies (SIP,
RTSP proxies)
Access border
gate function
HA
Policy
function
IMS
Video
streaming
NGN
DSCP/802.1p
tagging (DL/UL)
DSCP/802.1p
tagging in DL
Figure 3. Dynamic QoS managed across the network
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