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Pipeline flush due to the flow change of instruction can be a huge degradation factor in modern processors since the branch instructions consist of more than 20 % of all instructions when running a program. However, with a characteristic called branch locality, the result of branch execution is predictable. By utilizing branch locality, there have been a lot of researches to improve the prediction...
In the last few years, the microprocessor of mobile device has been developed into multi-core, multi-issue, and deep pipeline for high-performance. But maximizing the parallelism of a pipeline and deepening pipeline cause more penalties so that branch predictor is more and more important. One of the efficient ways to improve its performance is generally to increase the size of the branch predictor...
In mobile communication, frequency is an important resource for wireless communication. As frequency is limited, it is managed by the country and is distributed according to use. As a result, the frequency used for mobile communication is different is each country. In order to make a terminal that is usable in many countries, the terminal must be able to receive several frequency bands. This paper...
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