基于频间协同的GNSS全频点信号快速捕获方法

doi:10.12305/j.issn.1001-506X.2026.10.01

系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (10): 3275-3282.doi: 10.12305/j.issn.1001-506X.2026.10.01

• 电子技术 •

基于频间协同的GNSS全频点信号快速捕获方法

刘勇¹^,²(), 高勋章¹, 刘振¹, 蒋云翔², 满小三²^,³

1. 国防科技大学电子科学学院，湖南长沙 410073
2. 长沙金维集成电路股份有限公司，湖南长沙 410205
3. 中南大学地球科学与信息物理学院，湖南长沙 410083

收稿日期:2025-07-10 出版日期:2026-10-25 发布日期:2026-09-30
通讯作者: 刘勇 E-mail:liuyong8834@126.com
作者简介:高勋章（1972—），男，研究员，博士，主要研究方向为雷达信息处理、智能目标识别、机器学习
刘　振（1983—），男，教授，博士，主要研究方向为雷达目标识别与对抗
蒋云翔（1986—），男，高级工程师，博士，主要研究方向为GNSS信号处理、LEO信号处理、卫星通导融合处理
满小三（1989—），男，工程师，博士研究生，主要研究方向为GNSS高精度定位
基金资助:
湖南省科技创新计划（2024RC3255）资助课题

Fast acquisition method for GNSS full-frequency signals based on inter-frequency collaboration

Yong Liu¹^,²(), Xunzhang Gao¹, Zhen Liu¹, Yunxiang Jiang², Xiaosan Man²^,³

1. College of Electronic Science and Technology，National University of Defense Technology，Changsha 410073，China
2. Changsha Jinwei Integrated Circuit Co.，Ltd.，Changsha 410205，China
3. School of Geosciences and Info-Physics，Central South University，Changsha 410083，China

Received:2025-07-10 Online:2026-10-25 Published:2026-09-30
Contact: Yong Liu E-mail:liuyong8834@126.com

摘要/Abstract

摘要：

针对全球卫星导航系统（global navigation satellite system，GNSS）全频点接收机存在的捕获效率低、捕获资源开销大、信号锁定时间长等问题，提出一种基于频间协同的快速捕获方法。首先，为各GNSS系统选取一个主频点，其他频点都为副频点；然后，捕获引擎仅需对主频点进行捕获以及捕获转跟踪处理；同时，利用主频点跟踪信息，对副频点实施跟踪转跟踪并行处理。实验结果表明，相较于传统方法和跟踪辅助捕获方法，所提方法断电重启后锁定100个跟踪通道的时间分别缩短了70.2%和43.9%，失锁重捕定位时间分别减少了62.2%和41.7%，平均功耗分别降低了10.7%和9.7%。所提方法在不增加硬件资源的前提下，对全频点接收机的信号锁定时间、定位时间和系统功耗改善明显，为低成本、低功耗全频点接收机设计提供了新路径。

关键词: 全球卫星导航系统, 全频点, 频间协同, 快速捕获, 跟踪转跟踪

Abstract:

To address the issues of low acquisition efficiency, high acquisition resource consumption, and long signal locking time in global navigation satellite system （GNSS） full-frequency receivers, a fast acquisition method based on inter-frequency collaboration is proposed. First, a primary frequency is selected for each GNSS system, while the remaining frequencies are designated as secondary frequencies. Second, the acquisition engine only performs acquisition and acquisition-to-tracking processing on the primary frequency. Meanwhile, using the tracking information of the primary frequency, parallel tracking-to-tracking processing is implemented for secondary frequencies. Experimental results demonstrate that, compared to the traditional method and the tracking-assisted acquisition approach, the proposed method shortens the time to lock 100 tracking channels after power-off and restart by 70.2% and 43.9%, reduces the reacquisition time by 62.2% and 41.7%, and decreases the average power consumption by 10.7% and 9.7%, respectively. The proposed method demonstrates significant improvements in signal locking time, positioning time, and system power consumption for full-frequency receivers without requiring additional hardware resources, thus offering a new pathway for the design of low-cost, low-power full-frequency receivers.

Key words: global navigation satellite system （GNSS）, full-frequency, inter-frequency collaboration, fast acquisition, tracking-to-tracking

中图分类号:

TN 967.1

刘勇, 高勋章, 刘振, 蒋云翔, 满小三. 基于频间协同的GNSS全频点信号快速捕获方法[J]. 系统工程与电子技术, 2026, 48(10): 3275-3282.

Yong Liu, Xunzhang Gao, Zhen Liu, Yunxiang Jiang, Xiaosan Man. Fast acquisition method for GNSS full-frequency signals based on inter-frequency collaboration[J]. Systems Engineering and Electronics, 2026, 48(10): 3275-3282.

图/表 12

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参考文献 31

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参数名	参数值
支持系统频点	GPS：L1 C/A/L1C/L2C/L5 BDS：B1I/B1C/B2I/B2a/B2b/B3I GALILEO：E1/E5a/E5b GLONASS：L1/L2
捕获调度时间间隔/ms	50
观测频度/Hz	10

开机运行时间/s	AFIA	TAA	IFCA
1~4	0.0, 4.8, 10.1, 14.1	0.0, 4.8, 13.2, 20.3	0.0, 4.8, 19.7, 24.6
5~8	17.8, 21.1, 25.6, 29.9	24.9, 37.1, 40.9, 45.7	31.9, 46.1, 61.0, 76.3
9~12	34.4, 37.1, 40.9, 43.1	51.6, 55.7, 63.8, 67.8	87.2, 94.5, 99.9, 108.4
13~16	45.6, 49.3, 51.7, 53.5	71.1, 76.4, 78.5, 81.6	113.0, 117.9, 124.7, 131.1
17~20	55.8, 58.5, 61.9, 64.8	87.3, 91.3, 97.5, 100.6	133.3, 134.4, 136.8, 138.6
21~24	67.4, 69.4, 71.1, 73.4	105.0, 109.7, 111.9, 114.1	140.9, 141.9, 145.3, 147.3
25~28	75.3, 77.0, 79.2, 81.9	115.9, 117.5, 119.1, 121.2	148.0, 148.2, 148.2, 148.6
29~32	83.6, 85.6, 88.0, 90.1	123.2, 124.6, 126.0, 127.3	148.9, 149.7, 150.1, 150.2
33~36	91.9, 93.9, 95.5, 98.2	127.9, 128.7, 130.6, 132.2	150.7, 150.7, 151.1, 151.8
37~40	99.8, 101.6, 103.0, 105.1	132.6, 133.4, 134.4, 134.8	152.0, 152.1, 152.5, 152.9
41~44	106.8, 108.6, 110.0, 111.6	135.5, 136.5, 137.0, 137.1	152.9, 152.9, 153.2, 153.2
45~48	113.4, 115.2, 116.0, 117.5	137.5, 138.2, 138.6, 139.6	153.2, 153.3, 153.3, 153.4
49~52	118.2, 119.2, 120.8, 121.1	139.7, 140.2, 140.7, 141.4	153.4, 153.4, 153.4, 153.5
53~56	122.9, 123.1, 124.3, 124.5	142.2, 142.4, 143.4, 143.8	153.5, 153.6, 153.6, 153.6
57~60	125.7, 126.0, 126.8, 127.0	144.2, 144.6, 144.8, 145.0	153.7, 153.9, 153.9, 154.0

测试次数	失锁重捕定位时间/s
测试次数	AFIA	TAA	IFCA
1	1.91	1.22	0.72
2	2.07	1.34	0.61
3	1.89	1.23	0.81
4	2.04	1.28	0.67
5	1.93	1.19	0.78
6	1.88	1.37	0.86
7	2.12	1.25	0.73
8	1.85	1.32	0.69
9	1.94	1.24	0.82
10	1.97	1.26	0.71
平均	1.96	1.27	0.74

测试次数	AFIA	TAA	IFCA
1	0.82	0.81	0.73
2	0.81	0.8	0.74
3	0.83	0.81	0.72
4	0.81	0.79	0.72
5	0.81	0.8	0.73
6	0.82	0.81	0.73
7	0.81	0.81	0.72
8	0.81	0.82	0.72
9	0.82	0.8	0.74
10	0.81	0.81	0.73
平均	0.815	0.806	0.728

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基于频间协同的GNSS全频点信号快速捕获方法

Fast acquisition method for GNSS full-frequency signals based on inter-frequency collaboration

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