Agilent Technologies E6640A EXM Manuel d'utilisateur Page 33

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Agilent Restricted
33
Why LTE-Advanced Carrier Aggregation?
Problem #1
Peak throughput performance
of OFDM (LTE) systems is
achieve at bandwidths greater
than 10 MHz
To achieve 150 Mbps in the
downlink, 20 MHz of bandwidth
is required
Solution
LTE Advanced
Carrier Aggregation
Meeting data demands
means more $$$$ for
service providers
Problem #2
Most operators do not have 20
MHz of contiguous spectrum!
However many operators
around the world hold spectrum
in more than one frequency
band
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