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Conference Paper
A new Architecture of Viterbi Decoder for UWB
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- Authors
- Sung Woo Choi, Woo Yong Lee, Hyun Kyu Chung
- Issue Date
- 2009-12
- Citation
- International Conference on Computer and Communications Security (ICCCS) 2009, pp.1-4
- Language
- English
- Type
- Conference Paper
- Abstract
- The viterbi decoder of the MB-OFDM UWB should support a maximum data rate of 480 Mbps. There are several noble architectures of high-speed viterbi decoder, but it would increase the area significantly, when it is directly adapted to the large constraint length system, like MB-OFDM UWB. At this point, we proposed a high-speed and area efficient viterbi decoder for MB-OFDM UWB. The proposed architecture is the concatenation version of the two radix-4 ACSs. Implementation results show that the number of slice is reduced by 40% and the number of LUT is reduced by 25% in FPGA.
- KSP Keywords
- Area-Efficient, Constraint length, High Speed, MB-OFDM UWB, Maximum data rate, Radix-4, viterbi decoder