Designing a hardware in the loop wireless digital channel emulator for software defined radio

The testing, verification and evaluation of wireless systems is an important but challenging endeavor. The most realistic method to test a wireless system is a field deployment. Unfortunately, this is not only expensive but also time consuming. In this paper, we present the design and implementation...

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Bibliographic Details
Main Authors: Matai, J., Pingfan Meng, Lingjuan Wu, Weals, B., Kastner, R.
Format: Conference Proceeding
Language:English
Subjects:
Clocks
Delay
Doppler effect
Field programmable gate arrays
Optimization
Throughput
Wireless communication
Online Access:Request full text
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Summary:The testing, verification and evaluation of wireless systems is an important but challenging endeavor. The most realistic method to test a wireless system is a field deployment. Unfortunately, this is not only expensive but also time consuming. In this paper, we present the design and implementation of a digital wireless channel emulator, which connects directly to a number of radios, and mimics the wireless channels between them, across a range of scenarios, in real-time. We use high-level synthesis tools to design the emulator while performing design space exploration. We describe the optimizations and tradeoffs that were necessary to reach the target throughput and area requirements.
DOI:10.1109/FPT.2012.6412135