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Implementation of LTE Baseband Algorithms for a Highly Parallel DSP Platform
Linköping University, Department of Electrical Engineering, Computer Engineering.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The division of computer engineering at Linköping’s university is currentlydeveloping an innovative parallel DSP processor architecture called ePUMA. Onepossible future purpose of the ePUMA that has been thought of is to implement itin base stations for mobile communication. In order to investigate the performanceand potential of the ePUMA as a processing unit in base stations, a model of theLTE physical layer uplink receiving chain has been simulated in Matlab and thenpartially mapped onto the ePUMA processor.The project work included research and understanding of the LTE standard andsimulating the uplink processing chain in Matlab for a transmission bandwidth of5 MHz. Major tasks of the DSP implementation included the development of a300-point FFT algorithm and a channel equalization algorithm for the SIMD unitsof the ePUMA platform. This thesis provides the reader with an introduction tothe LTE standard as well as an introduction to the ePUMA processor. Furthermore,it can serve as a guidance to develop mixed point radix FFTs in general orthe 300 point FFT in specific and can help with a basic understanding of channelequalization. The work of the thesis included the whole developing chain from understandingthe algorithms, simplifying and mapping them onto a DSP platform,and testing and verification of the results.

Place, publisher, year, edition, pages
2016. , 94 p.
Keyword [en]
SIMD, DSP, FFT, DFT, LTE, OFDM, ePUMA, sleipnir, Cooley Tukey, Zeroforcing, Channel equalization
National Category
Computer Systems Telecommunications
URN: urn:nbn:se:liu:diva-127699ISRN: LiTH-ISY-EX--16/4941--SEOAI: diva2:926644
2016-04-25, Nollstället, Linköping, 12:51 (English)
Available from: 2016-05-09 Created: 2016-05-09 Last updated: 2016-05-09Bibliographically approved

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