NDLI: High-resolution DOA estimation for cooperation networks using space-time hopping

Content Provider	IET Digital Library
Author	Li, Xiangyu Guo, Suxia Jin, Liang Huang, Kaizhi Xia, Lu
Abstract	Since the traditional direction-of-arrival (DOA) estimation algorithm is passive and non-cooperation, its performance degrades with respect to the large number of terminals and closely spaced sources in multi-nodes networks. A cooperated space-time hopping algorithm to estimate the DOA of all users simultaneously is presented. The signal will be adjusted by the pre-assigned hopping weights during each symbol time. The change of the weights is equivalent to the change of array manifolds, thus enriching differences between uses’ channels. This algorithm is able to estimate more number of signals and separate some closely spaced sources. Simulations demonstrate the effectiveness of the algorithm.
Starting Page	978
Ending Page	980
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 11, May (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.4194
Journal	Electronics Letters
Publisher Date	2016-04-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Array Manifolds Array Signal Processing Closely Spaced Sources Cooperated Space-time Hopping Algorithm Cooperation Network Cooperative Communication Direction of Arrival Estimation Direction-of-arrival Estimation Algorithm High-resolution DOA Estimation Performance Degradation Pre-assigned Hopping Weight Radio Link And Equipment Signal Processing And Detection Signal Resolution Wireless Channel
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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