基于分级统计最大平均功率的WBAN符号同步算法

迟宇; 陈岚; 吕超

doi:10.11959/j.issn.1000-436x.2015085

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基于分级统计最大平均功率的WBAN符号同步算法

学术论文 | 更新时间：2024-06-05

- 基于分级统计最大平均功率的WBAN符号同步算法
- Symbol timing recovery algorithm based on ordered statistic of maximum mean power timing for WBAN
- 通信学报 2015年36卷第5期页码：81-88
- 作者机构：
  
  中国科学院微电子研究所，北京 100029
- 作者简介：
  
  [ "迟宇（1988-），男，吉林长春人，中国科学院博士生，主要研究方向为无线体域网基带通信信号处理及芯片设计。" ]
  [ "陈岚（1968-），女，江苏无锡人，中国科学院研究员、博士生导师，主要研究方向为纳米及SoC芯片设计方法学、移动通信系统低功耗技术及物联网芯片技术等。" ]
  [ "吕超（1980-），男，山东临清人，中国科学院副研究员，主要研究方向为低功耗无线通信技术、体域网 SoC 设计等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61303253)
- DOI：10.11959/j.issn.1000-436x.2015085
  中图分类号： TN911.72
- 网络出版日期：2015-05，
  
  纸质出版日期：2015-05-25
- 稿件说明：
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迟宇, 陈岚, 吕超. 基于分级统计最大平均功率的WBAN符号同步算法[J]. 通信学报, 2015,36(5):81-88.

HIYu C, HENLan C, VChao L. Symbol timing recovery algorithm based on ordered statistic of maximum mean power timing for WBAN[J]. Journal on communications, 2015, 36(5): 81-88.
迟宇, 陈岚, 吕超. 基于分级统计最大平均功率的WBAN符号同步算法[J]. 通信学报, 2015,36(5):81-88. DOI： 10.11959/j.issn.1000-436x.2015085.

HIYu C, HENLan C, VChao L. Symbol timing recovery algorithm based on ordered statistic of maximum mean power timing for WBAN[J]. Journal on communications, 2015, 36(5): 81-88. DOI： 10.11959/j.issn.1000-436x.2015085.

摘要

基于最大平均功率的符号同步算法，适合无线体域网对同步算法的快速定时、对载频偏移不敏感特性的要求。基于 IEEE 802.15.6标准，通过分级统计平均功率的方法降低算法运算复杂度，实现了体域网链路的低复杂度高效率符号同步。理论推导及仿真结果表明，该算法可在32个符号内完成符号同步，算法复杂度较常规的最大平均功率算法最多可降低近90%。其快速同步及不受载波相位偏移影响的特性也为载频同步及帧同步提供了更多的优化空间。

Abstract

The symbol timing algorithm based on maximum mean power timing is independent of carrier phase offset

and has the property of capturing timing information fast

which meets the demand of wireless body area networks (WBAN).According to IEEE 802.15.6 standard

the ordered statistic of maximum mean power timing was used to reduce the computational complexity in the symbol timing process.The theoretical analysis and simulation results shows that the proposed algorithm can achieve symbol timing within 32 symbols and reduce the computational complexity by ninety percent at most compared to the original maximum mean power algorithm.The fast synchronization and car-rier-independence property of the proposed algorithm can also make room for carrier-offset recovery and frame synchro-nization.

关键词

Keywords

references

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