基于“绿色通信”理念的自适应载波同步系统方案
针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题,提出了-种基于“绿色通信”理念的自适应载波同步系统设计方法.首先利用控制参数法使最佳性能方案向次最佳性能方案转化,然后在满足较小信噪比损失的前提下比较各方案并给出具有开销小和复杂度低的方案.仿真结果表明相比最佳性能方案,次最佳性能方案的导频开销和复杂度分别可降17%和38%,因而非常符合“绿色通信”的理念....
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| Published in | 电讯技术 Vol. 56; no. 8; pp. 867 - 872 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国电子科技集团公司第七研究所,广州,510220%西安电子科技大学 综合业务网理论及关键技术国家重点实验室,西安,710071
2016
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-893X |
| DOI | 10.3969/j.issn.1001-893x.2016.08.007 |
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| Abstract | 针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题,提出了-种基于“绿色通信”理念的自适应载波同步系统设计方法.首先利用控制参数法使最佳性能方案向次最佳性能方案转化,然后在满足较小信噪比损失的前提下比较各方案并给出具有开销小和复杂度低的方案.仿真结果表明相比最佳性能方案,次最佳性能方案的导频开销和复杂度分别可降17%和38%,因而非常符合“绿色通信”的理念. |
|---|---|
| AbstractList | 针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题,提出了-种基于“绿色通信”理念的自适应载波同步系统设计方法.首先利用控制参数法使最佳性能方案向次最佳性能方案转化,然后在满足较小信噪比损失的前提下比较各方案并给出具有开销小和复杂度低的方案.仿真结果表明相比最佳性能方案,次最佳性能方案的导频开销和复杂度分别可降17%和38%,因而非常符合“绿色通信”的理念. TN911.3; 针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题，提出了一种基于“绿色通信”理念的自适应载波同步系统设计方法。首先利用控制参数法使最佳性能方案向次最佳性能方案转化，然后在满足较小信噪比损失的前提下比较各方案并给出具有开销小和复杂度低的方案。仿真结果表明相比最佳性能方案，次最佳性能方案的导频开销和复杂度分别可降17%和38%，因而非常符合“绿色通信”的理念。 |
| Abstract_FL | Considering both large cost and high complexity of current carrier synchronization systems at low signal-to-noise ratio( SNR) ,this paper presents an adaptive carrier synchronization system design method based on the concept of “green communication”. First,the control parameter method is adopted to make the optimal performance scheme translate into suboptimal ones. Then,under the premise of satisfying fewer SNR losses,the suboptimal schemes are compared and some schemes with both small cost and low complex-ity are given. Simulation results show that compared with the optimal performance scheme,normalized pilot cost and complexity of the suboptimal ones can be reduced by 16% and 38% respectively,thus being ac-cordable with the concept of “green communication”. |
| Author | 张景 余忠洋 白宝明 |
| AuthorAffiliation | 中国电子科技集团公司第七研究所,广州510220 西安电子科技大学综合业务网理论及关键技术国家重点实验室,西安710071 |
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| Author_FL | ZHANG Jing YU Zhongyang BAI Baoming |
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| ClassificationCodes | TN911.3 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | An Adaptive Carrier Synchronization System Scheme Basedon“Green Communication”Concept |
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| Keywords | adaptive carrier synchronization control parameter method 控制参数法 green communication 绿色通信 low SNR 低信噪比 自适应载波同步 |
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| Notes | ZHANG Jing,YU Zhongyang,BAI Baoming（1. The 7th Research Institute of China Electronics Technology Group Corporation（CETC）, Guangzhou 510220,China;2. State Key Laboratory of Integrated Service Networks,Xidian University,Xiran 710071,China） Considering both large cost and high complexity of current carrier synchronization systems at lowsignal-to-noise ratio（SNR）,this paper presents an adaptive carrier synchronization system design methodbased on the concept of “ green communication 冶. First,the control parameter method is adopted to makethe optimal performance scheme translate into suboptimal ones. Then,under the premise of satisfying fewer SNR losses,the suboptimal schemes are compared and some schemes with both small cost and low complexityare given. Simulation results show that compared with the optimal performance scheme,normalized pilotcost and complexity of the suboptimal ones can be reduced by 16% and 38% respectively,thus being accordablewith the concept of “green communication”. 51-1267/TN green communica |
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| PublicationTitle | 电讯技术 |
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| Publisher | 中国电子科技集团公司第七研究所,广州,510220%西安电子科技大学 综合业务网理论及关键技术国家重点实验室,西安,710071 |
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| Snippet | 针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题,提出了-种基于“绿色通信”理念的自适应载波同步系统设计方法.首先利用控制参数法使最佳性能方案向次最佳性... TN911.3; 针对当前载波同步算法在低信噪比下存在的开销大和复杂度高的问题，提出了一种基于“绿色通信”理念的自适应载波同步系统设计方法。首先利用控制参数法使最佳性能方... |
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| SubjectTerms | 低信噪比 控制参数法 绿色通信 自适应载波同步 |
| Title | 基于“绿色通信”理念的自适应载波同步系统方案 |
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