A Low-Power Ldpc Decoder For Multimedia Wireless Sensor Networks
IEICE TRANSACTIONS ON COMMUNICATIONS(2013)
摘要
This paper presents a low-power LDPC decoder that can be used in Multimedia Wireless Sensor Networks. Three low power design techniques are proposed in the decoder design: a layered decoding algorithm, a modified Benes network and a modified memory bypassing scheme. The proposed decoder is implemented in TSMC 0.13 mu m, 1.2 V CMOS process. Experiments show that when the clock frequency is 32 MHz, the power consumption of the proposed decoder is 38.4 mW, the energy efficiency is 53.3 pJ/bit/ite and the core area is 1.8 mm(2).
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关键词
LDPC, Multimedia Wireless Sensor Networks, low power design, layered decoding, memory bypassing scheme, Benes network
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