CASE STUDY 6
DSP for Software Defined Radio
Introduction
The idea behind SDR (software defined radio equipment) is to have a multi-band, multi-standard terminal that can adaptively select the best communication stack available to establish a successful connection according to the QoS of the demanding services.
We can look at SDR from two perspectives: the mobile terminal and the base-station. The mobile terminal has multiple communication stacks implemented, but at any given time, it should use only one of these, according to a given criterion.
The criteria, depending on the application, may be:
• Best link
• The terminal must provide measurements on each of the candidate bands
• It then chooses the network that offers the best ...
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