[1]寧曉燕,聶毅帆,孫志國,等.一種頻偏條件下新的Chirp-BOK分數域解調方法[J].哈爾濱工程大學學報,2021,42(5):703-709.[doi:10.11990/jheu.201912002]
 NING Xiaoyan,NIE Yifan,SUN Zhiguo,et al.New chirp-BOK demodulation method in fractional Fourier domain under frequency offset conditions[J].Journal of Harbin Engineering University,2021,42(5):703-709.[doi:10.11990/jheu.201912002]
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一種頻偏條件下新的Chirp-BOK分數域解調方法(/HTML)
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《哈爾濱工程大學學報》[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期數:
2021年5期
頁碼:
703-709
欄目:
出版日期:
2021-05-05

文章信息/Info

Title:
New chirp-BOK demodulation method in fractional Fourier domain under frequency offset conditions
作者:
寧曉燕 聶毅帆 孫志國 王秋瀅
信息與通信工程學院 哈爾濱工程大學, 黑龍江 哈爾濱 150001
Author(s):
NING Xiaoyan NIE Yifan SUN Zhiguo WANG Qiuying
College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China
關鍵詞:
擴頻通信Chirp-BOK調制分數域Fourier變換定點采樣頻率偏移峰值搜索
分類號:
TN911.6
DOI:
10.11990/jheu.201912002
文獻標志碼:
A
摘要:
為了解決頻偏條件下Chirp-BOK調制的傳統解調方法性能下降的問題,本文提出了一種峰值搜索-分數域非相干解調方法,將傳統的固定頻點采樣擴展為區域峰值搜索。首先將碼同步誤差、多普勒頻移、收發端接收機參數誤差等統一為Chirp信號頻率的偏移,分析了傳統解調方法克服頻率偏移時的不足。然后對該解調方法在AWGN信道和頻偏條件下與傳統方法進行對比,理論推導和仿真證明:該方法在頻偏條件下具有更好的誤碼率性能。

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備注/Memo

備注/Memo:
收稿日期:2019-12-03。
基金項目:國家自然科學基金項目(62001138);中國博士后科學基金項目(2020M670885);黑龍江省博士后專項經費(LBH-Z20049).
作者簡介:寧曉燕,女,副教授,博士;孫志國,男,教授,博士生導師.
通訊作者:孫志國,E-mail:sunzhiguo@hrbeu.edu.cn.
更新日期/Last Update: 2021-04-26
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