LTE-Advanced: The Path towards Gigabit/s in Wireless Mobile ...

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24 Νοε 2013 (πριν από 3 χρόνια και 10 μήνες)

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LTE
-
Advanced: The Path towards
Gigabit/s in Wireless Mobile
Communication

Prepared
by

Oleg Getmanchuk

Submitted to
Prof. Dr. Eduard Heindl

Agenda



Introduction


Performance
targets
for
LTE
-
Advanced


LTE
-
Advanced
technology
components


Outlook


Conclusion



Wireless evolution 1990

2011

Performance targets for

LTE
-
Advanced
and IMT
-
Advanced

LTE
-
Advanced
technology components



Carrier
aggregation


Improved MIMO
schemes


Coordinated multiple point transmission and reception


Relaying


Local
area optimization features


Carrier aggregation



LTE
-
Advanced maximum bandwidth in contiguous
deployment


Carrier aggregation



LTE
-
Advanced non
-
contiguous spectrum deployment


Improved MIMO schemes

Coordinated multiple point transmission
and reception

Relaying

Local area optimization features


Support for heterogeneous
networks


LTE self
-
optimizing networks

Gigabit/s is real



Ericsson
-

900
+
Mbps


60 MHz
of aggregated
bandwidth


Ericsson's commercial base
station RBS
6000



Nokia
Siemens Networks
-

1.4
Gbps



100 MHz of aggregated
bandwidth


NSN’s commercial
Flexi
Multiradio

10 Base Station




LTE
-
A


is not revolution, it is evolution


Users
should not expect 1
Gbps

speeds
on
their phones
next
year



Operators do not have
100 MHz of
spectrum



No way to use 8 antennas in UE devices


Where to use



Cars
or
Trains


DSL
in
rural areas with LTE
-
Advanced


Improve
efficiency wireless connections


Decrease of costs


Conclusion




Thank you!