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On the application of graphics processor to wireless receiver design

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Title: On the application of graphics processor to wireless receiver design
Author: Wu, Michael
Advisor: Cavallaro, Joseph R.
Degree: Master of Science thesis
Abstract: In many wireless systems, a Turbo decoder is often combined with a soft-output multiple-input and multiple-output (MIMO) detector at the receiver to maximize performance in many 4G and beyond wireless standards. Although custom application specific designs are usually used to meet this challenge, programmable graphics processing units (GPU) has become an alternative to the traditional ASIC and FPGA solution for wireless applications. However, careful architecture-aware algorithm design and mapping are required to maximize performance of a communication block on GPU. For MIMO soft detection, we implemented a new MIMO soft detection algorithm, multi-pass trellis traversal (MTT). For Turbo decoding, we used a parallel window algorithm. We showed that our implementations can achieve high throughput while maintaining good performance. This work will allow us to implement a complete iterative MIMO receiver in software on GPU in the future.
Citation: Wu, Michael. (2010) "On the application of graphics processor to wireless receiver design." Masters Thesis, Rice University. http://hdl.handle.net/1911/62098.
URI: http://hdl.handle.net/1911/62098
Date: 2010

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