A Method to Guarantee Real-time for Software-Defined Radio in User-space

被引：0
|
作者：
Cheng, Xing [1 ]
Zhao, Ming [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing, Peoples R China
来源：
2016 INTERNATIONAL CONFERENCE ON INFORMATION SYSTEM AND ARTIFICIAL INTELLIGENCE (ISAI 2016) | 2016年
关键词：
component; real-time; user-space; RDTSC; sdr;
D O I：
10.1109/ISAI.2016.79
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
With the rapid development of computer technology, Software-Defined Radio has become more and more popular. We can now transfer the communication system from hardware to software, which makes it more flexible and helps us virtualize the communication system. In this paper, we creatively introduce a method to guarantee hard real-time in user-space on Linux. Unlike the usual methods, Our method( real time with RDTSC) provides real-time feature by soft ware clock with RDTSC and isolating CPUs instead of interrupts from the hardware. Our method is highly lightweight and give the SDR systems more flexibility when compared to the usual methods with interrupts. The experiment and validation results show that real time with RDTSC has a significantperformance and can be used in physical communication systems
引用
收藏
页码：300 / 304
页数：5
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