CN105939299B - 一种基于改进后的sage算法的信道参数估计方法 - Google Patents
一种基于改进后的sage算法的信道参数估计方法 Download PDFInfo
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- CN105939299B CN105939299B CN201610403841.6A CN201610403841A CN105939299B CN 105939299 B CN105939299 B CN 105939299B CN 201610403841 A CN201610403841 A CN 201610403841A CN 105939299 B CN105939299 B CN 105939299B
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000004422 calculation algorithm Methods 0.000 title claims abstract description 26
- 235000002020 sage Nutrition 0.000 title claims abstract 10
- 238000007476 Maximum Likelihood Methods 0.000 claims abstract description 36
- 230000008030 elimination Effects 0.000 claims abstract description 10
- 238000003379 elimination reaction Methods 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims description 22
- 239000011159 matrix material Substances 0.000 claims description 20
- 239000013598 vector Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 230000001427 coherent effect Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
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CN105939299B true CN105939299B (zh) | 2019-03-19 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106483494B (zh) * | 2016-10-13 | 2021-11-02 | 哈尔滨工业大学(威海) | 基于空间取样天线阵列的全极化干涉仪及其参数估计方法 |
CN106646536B (zh) * | 2016-12-19 | 2019-06-04 | 北京航空航天大学 | 一种基于仿真的电波多径信息的提取方法 |
CN106713191B (zh) * | 2017-02-28 | 2020-09-08 | 西安电子科技大学 | 一种多级搜索sage方法 |
CN107086969B (zh) * | 2017-03-23 | 2020-07-31 | 西安电子科技大学 | 一种基于特征值分解的sage信道参数估计方法 |
CN107094043B (zh) * | 2017-05-23 | 2021-07-09 | 西安电子科技大学 | 基于块迭代法的改进后的mmse低复杂度信号检测方法 |
CN112970233B (zh) * | 2018-12-17 | 2024-06-18 | 瑞士优北罗股份有限公司 | 估计通信信道的一个或更多个特征 |
CN110798271B (zh) * | 2019-09-13 | 2021-10-12 | 西北工业大学 | 一种无线信道测量中基于神经网络的伪径消除方法 |
CN112379339B (zh) * | 2020-11-11 | 2024-08-02 | 中国科学技术大学 | 基于时域无监督聚类的多径干扰识别方法 |
Citations (1)
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CN101982953A (zh) * | 2010-11-04 | 2011-03-02 | 中国科学院上海微系统与信息技术研究所 | 宽带无线通信信道频域多维参数化模型及建模方法 |
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US20150381388A1 (en) * | 2013-02-08 | 2015-12-31 | Nokia Solutions And Networks Oy | Channel estimation in wireless communications |
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CN101982953A (zh) * | 2010-11-04 | 2011-03-02 | 中国科学院上海微系统与信息技术研究所 | 宽带无线通信信道频域多维参数化模型及建模方法 |
Non-Patent Citations (4)
Title |
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A New SAGE-Based Receiver for MC-CDMA Communication Systems;Wei-Liang Sung, Yu-Kuan Chang, Fang-Biau Ueng, Ye-Shun Shen;《Wireless Pers Commun》;20150626;第1617-1634页 |
Performance Comparison of SAGE and MUSIC for Channel Estimation;X. Yin et al;《IEEE Access》;20160406;第1163-1174页 |
一种适用于正交频分复用系统的ICI 抑制改进算法;曾捷;《信阳师范学院学报: 自然科学版》;20130731;第419-423页 |
基于SAGE算法的带宽信道参数提取方法的应用研究;高远;《中国优秀硕士学位论文全文数据库(电子期刊)》;20130731;第13-29页 |
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Inventor after: Gu Xiaole Inventor after: Li Bingbing Inventor after: Guo Jiao Inventor after: Li Jin Inventor after: Li Yu Inventor before: Li Bingbing Inventor before: Guo Jiao Inventor before: Li Jin Inventor before: Li Yu |
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Effective date of registration: 20220407 Address after: 317700 room 1114, No. 788, haihao Road, Taizhou bay new area, Taizhou City, Zhejiang Province (office only) Patentee after: Shenghang (Taizhou) Technology Co.,Ltd. Address before: 710071 Xi'an Electronic and Science University, 2 Taibai South Road, Shaanxi, Xi'an Patentee before: XIDIAN University |