A Low-Power LDPC Decoder for Multimedia Wireless Sensor Networks

被引：1

作者：

Xu, Meng ^{[1
]}

Ji, Xincun ^{[1
]}

Wu, Jianhui ^{[1
]}

Zhang, Meng ^{[1
]}

机构：

[1] Southeast Univ, Natl ASIC Res Ctr, Nanjing, Jiangsu, Peoples R China

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2013年 / E96B卷 / 04期

基金：

中国国家自然科学基金;

关键词：

LDPC; Multimedia Wireless Sensor Networks; low power design; layered decoding; memory bypassing scheme; Benes network; WIMAX SYSTEM; EFFICIENT; ARCHITECTURES; DESIGN;

D O I：

10.1587/transcom.E96.B.939

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

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).

引用

页码：939 / 947

页数：9

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