Journal of Computer Applications ›› 2015, Vol. 35 ›› Issue (8): 2133-2136.DOI: 10.11772/j.issn.1001-9081.2015.08.2133

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RS code design in extended 1090ES based on phase modulation

SONG Yan1, LI Huaqiong2, WANG Hong1, SUN Qingqing1, HUANG Zhongtao2   

  1. 1. School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu Sichuan 611731, China;
    2. The Second Research of Civil Aviation Administration of China, Chengdu Sichuan 610041, China
  • Received:2015-03-25 Revised:2015-06-05 Online:2015-08-10 Published:2015-08-14


宋妍1, 李华琼2, 王洪1, 孙清清1, 黄忠涛2   

  1. 1. 电子科技大学 电子工程学院, 成都 611731;
    2. 中国民用航空局第二研究所, 成都 610041
  • 通讯作者: 宋妍(1991-),女,山东菏泽人,硕士研究生,主要研究方向:雷达信号处理、高速实时信号处理,
  • 作者简介:李华琼(1963-),女,四川成都人,高级工程师,主要研究方向:空管机场新技术; 王洪(1974-),男,四川成都人,副教授,博士,主要研究方向:雷达信号处理、多点定位、数字接收机、高速实时信号处理; 孙清清(1990-),男,四川成都人,硕士研究生,主要研究方向:雷达信号处理、高速实时信号处理; 黄忠涛(1978-),男,四川成都人,高级工程师,硕士,主要研究方向:雷达测试、嵌入式系统、视频仿真、场面监视系统。
  • 基金资助:



The data link capacity of 1090ES (1090 MHz Extended Squitter) could be expended by modulating 1090 MHz signal with phase information, thus RS (Reed-Solomon) calibration technology of 1090ES expansion system based on 8PSK (8 Phase Shift Keying) phase modulation was studied. Firstly, the total length of the RS code symbols was designed as 54 according to the characteristics of RS code and the data link structure of 1090ES expansion system. Secondly, error performance with different RS code coding efficiency was discussed, and its influence on performance of the 1090ES expansion system was analyzed, thereby, the optimum selection of RS code coding efficiency range was determined as 0.6-0.7. Finally, the concrete analysis of the error performance in the selected encoding efficiency range was given, and then the experimental results show that the length of information symbols could be chosen as 32, 34 or 36. Furthermore, Matlab simulation analysis shows that the designed RS code can effectively improve the error performance of 1090ES expansion system with RS(54, 32) as an example.

Key words: 1090 MHz Extended Squitter (1090ES), phase modulation, RS code, coding efficiency, error performance


对1090 MHz扩展电文(1090ES)信号进行相位调制,可以扩展1090ES数据链容量,为此研究了基于8进制相移键控(8PSK)的1090ES扩容系统中的RS码校验技术。首先,根据RS码特点及1090ES扩容数据链结构,设计RS码的码元总长度为54;然后,通过Matlab仿真,探讨了不同RS码编码效率下的差错性能及其对1090ES扩容系统性能的影响,由此确定了RS码编码效率的最佳选取范围为0.6~0.7;最后,具体分析所选定编码效率范围内RS码的差错性能,进一步确定了信息码元长度,仿真结果表明,信息码元个数可选择为32、34或36。以RS(54,32)为例,进行Matlab仿真分析,结果表明,所设计RS码能有效提高1090ES扩容系统的差错性能。

关键词: 1090 MHz扩展电文, 相位调制, RS码, 编码效率, 差错性能

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