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The maximum likelihood (ML) detection is the optimal detection method for multiple-input multiple-output (MIMO) communication systems. The normal K-best sphere decoding algorithm (SDA) can guarantee a fixed throughput, but it induces a large bit error rate (BER) degradation. In order to achieve close-to-ML performance, the K value needs to be sufficiently large. Thus, it needs large computation with long latency and low throughput. In this paper, a reconfigurable K-best SDA is proposed by using fixed K values for different layers of K-best detection, which can increase the MIMO detection performance. The architecture of 4Ã4 MIMO detector is designed for both 16QAM and 64QAM modulation.
Published in:
Information, Communications and Signal Processing, 2009. ICICS 2009. 7th International Conference on
Date of Conference: 8-10 Dec. 2009
- Page(s):
- 1 - 4
- E-ISBN :
- 978-1-4244-4657-5
- Print ISBN:
- 978-1-4244-4656-8
- INSPEC Accession Number:
- 11134760
- Conference Location :
- Macau
- Digital Object Identifier :
- 10.1109/ICICS.2009.5397648
- Product Type:
- Conference Publications
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