|
马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?注册
x
第一章绪论……1
1
.
1本文的研究背景和意义........................……,............·....··································……1
1
.
2硬件行为级的优化设计..............……,....................……,....................……,二3
1
.
3Viterbi算法、TLlrb。译码和均衡器的结构..……,...............................……4
1.3.1VITERBI译码算法和结构....……、.、.,.................................................……,.…,二4
1.3.2TuRBO码编译码器的结构.............................................................……,..……6
1.3.3均衡器的结构...........……,..................................·······································一8
1.4本文的主要工作和创新点..............……,..……,.....……,.......................……10
第二章通信系统中的低功率技术..........................……12
2
.
1延长电池使用寿命.......................……,...............············································……13
2
.
2能量有效的信源编码....……,..................................................……,.....……巧
2.3多媒体通信中能量有效的MAC协议,....................................................……17
2.4信道条件的自适应技术.............……‘……,……,.、....··...································……20
2
.
5低功率数字CMOS集成电路的设计..........……,,.....................................……23
2
.
6本章小结...........................................................................................................……29
第三章Viterbi译码的优化设计和低功耗考虑..............……30
1低功率VITERBI译码器的简单介绍.............................……,.......................……30
3
.
1.1模块单元的低功率设计..............................................................……,30
3
.
1
.
2输出单元的低功率设计............................……,............................……32
3
.
1
.
3时钟门和使能激活方法...............................................................……33
3
.
1.4减少留选路径存储的Viterbi译码.…,..…,......……,.....................……34
3
,
1
.
5自适应减少状态序列检测的Viterbi译码器.............................……35
3.1,6减少搜索的Viterbi译码器.........................................................……35
3.1.7减少数据流跳变的Viterbi译码器.......................……,...............……37
2联合判决估计的VITERBI译码器................................................……,........……39
浙江大学博士学位论文—通信中Viterbi算法和均衡器的优化设计及低功耗考虑
3.2.1联合判决估计Viterbi译码器的结构.........................................……39
3
.
2.2改进算法的性能分析...................……,.........................................……41
3
.
2.3BER上界公式的数值解..................……,.....................................……42
3
.
2
.
4计算机仿真结果...........................................................................……44
3.2.5复杂性和功耗的改进效果...........................................................……50
3.3选择正确判决的VITERBI译码器...............................................................……51
3
.
3
.
1选择正确判决Viterbi译码器的结构.........................................……51
3
.
3
.
2选择正确判决VD的性能分析...................................................……52
3
.
3
.
3译码性能BER上界公式的数值解.............................................……54
3
.
3
.
4计算机仿真结果..................……、..................................................……55
3
.
3
.
5选择正确判决与联合估计相结合的译码算法.……,.……,..……,,.……57
3.3.6结合两种算法的VD的计算机仿真结果.……,...........................……58
3.4去除错误支路的VITERBI译码器....................……,.................……,............……61
3
.
5本章小结...............……,......................................................................................……63
第四章T盯bo译码的优化设计和低功耗考虑................……64
4
.
1SOVA译码算法.............................................................................................……,64
4.2TuRBo译码低功率设计的简单介绍...............……,……,............................……65
4.2.1MAP算法的数据转换和存储探索方法.....................................……65
4
.
2
.
23G标准中能量有效的Turbo译码.............................................……69
4
.
2
.
3减少信号跳变的Turbo码50、/A译码器.............................……,..…71
4
.
2.4分组Turbo码的减少搜索译码方法..........……二.…,,.....……,........……72
4
.
3联合判决估计在TuRBO码SOVA译码中的应用.....................……,.....……73
4
.
4本章小结.........……,..…,..............................................................··..........··...··……80
第五章均衡器面积和功耗的优化设计......................……81
5.1低功率均衡器.........................................……,..................................................……81
5
.
1
.
1改进滤波器结构的低功率均衡器...............................................……81
5
.
1
.
2DFE归一化LMS算法的早终止技术.....................……,............……83
5.1.3低功率相位分离自适应均衡器.....................................……,.......……84
浙江大学博士学位论文—通信中Viterbi算法和均衡器的优化设计及低功耗考虑
5.2
5.3
减少横向滤波器结构的硬件规模.......................................……,....……,....……86
本章小结.....................................................................................................……92 |
|