멀티코어 DSP를 이용한 다중 안테나를 지원하는 SDR 기반 LTE-A PDSCH 디코더 구현Implementation of SDR-based LTE-A PDSCH Decoder for Supporting Multi-Antenna Using Multi-Core DSP
- Other Titles
- Implementation of SDR-based LTE-A PDSCH Decoder for Supporting Multi-Antenna Using Multi-Core DSP
- Authors
- 나용; 안흥섭; 최승원
- Issue Date
- Dec-2019
- Publisher
- (사)디지털산업정보학회
- Keywords
- SDR; DSP; TMS320C6670; LTE-A; PDSCH Decoder
- Citation
- (사)디지털산업정보학회 논문지, v.15, no.4, pp.85 - 92
- Indexed
- KCI
- Journal Title
- (사)디지털산업정보학회 논문지
- Volume
- 15
- Number
- 4
- Start Page
- 85
- End Page
- 92
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/11575
- DOI
- 10.17662/ksdim.2019.15.4.085
- ISSN
- 1738-6667
- Abstract
- This paper presents a SDR-based Long Term Evolution Advanced (LTE-A) Physical Downlink Shared Channel (PDSCH) decoder using a multicore Digital Signal Processor (DSP). For decoder implementation, multicore DSP TMS320C6670 is used, which provides various hardware accelerators such as turbo decoder, fast Fourier transformer and Bit Rate Coprocessors. The TMS320C6670 is a DSP specialized in implementing base station platforms and is not an optimized platform for implementing mobile terminal platform. Accordingly, in this paper, the hardware accelerator was changed to the terminal implementation to implement the LTE-A PDSCH decoder supporting the multi-antenna and the functions not provided by the hardware accelerator were implemented through core programming. Also pipeline using multicore was implemented to meet the transmission time interval. To confirm the feasibility of the proposed implementation, we verified the real-time decoding capability of the PDSCH decoder implemented using the LTE-A Reference Measurement Channel (RMC) waveform about transmission mode 2 and 3.
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