NDLI: Space-time interference suppression technology based on sub-band blind adaptive array processing

Content Provider	IEEE Xplore Digital Library
Author	Ping Lai Ruimin Lu Yunzhi Liu
Copyright Year	2014
Description	Author affiliation: Inst. of Commun. Engineerin, PLA Univ. of Sci. & Technol. Nanjing, Nanjing, China (Ping Lai) \|\| Nanjing Telecommun. Technol. Inst., Nanjing, China (Ruimin Lu; Yunzhi Liu)
Abstract	In the traditional Space-Time Adaptive Processing (STAP), adaptive algorithms require signal information so that lack real-time performance and the array processing techniques are not only of high complexity but also suffer from inadequate anti-jammer capability. In order to solve these problems, a subband blind adaptive array processing algorithm is proposed in this paper, which applies the space-time interference suppression technology to Direct Sequence Spread Spectrum (DSSS) system. For one thing, compared to the pure space-domain processing, Sub-band adaptive array (SBAA) greatly increases the freedoms of degree. For another, it also simplifies algorithm complexity relative to Tapped-delay-line adaptive array (TDLAA) structure of traditional STAP. The proposed sub-band blind adaptive array algorithm can provide higher convergence speed and better convergence accuracy with low algorithm complexity. Furthermore, the novel algorithm doesn't need training sequences, increasing the ability of tracing signal changes in real time. Simulation results show that the novel space-time interference suppression scheme exhibits a better anti-jamming performance.
Starting Page	731
Ending Page	735
File Size	229585
Page Count	5
File Format	PDF
e-ISBN	9781479948086
DOI	10.1109/ICIST.2014.6920581
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-04-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference suppression Beamforming Adaptive algorithms STAP Spread spectrum communication SBAA Complexity theory Arrays Blind adaptive Convergence DSSS
Content Type	Text
Resource Type	Article

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