Coupled Block-term Tensor Decomposition Based Blind Spectrum Cartography

Guoyong Zhang, Xiao Fu, Jun Wang, Mingyi Hong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Spectrum cartography aims at estimating the pattern of wideband signal power propagation over a region of interest (i.e. the radio map)-from limited samples taken sparsely over the region. Classical cartography methods are mostly concerned with recovering the aggregate radio frequency (RF) information while ignoring the constituents of the radio map-but fine-grained emitter-level RF information is of great interest. In addition, most existing cartography methods are based on random geographical sampling that is considered difficult to implement in some cases, due to legal/privacy/security issues. The theoretical aspects (e.g., identifiability of the radio map) of many existing methods are also unclear. In this work, we propose a radio map disaggregation method that is based on coupled block-term tensor decomposition. Our method guarantees identifiability of the individual wideband radio map of each emitter in the geographical region of interest (thereby that of the aggregate radio map as well), under some realistic conditions. The identifiability result holds under a large variety of geographical sampling patterns, including many pragmatic systematic sampling strategies. We also propose an effective optimization algorithm to carry out the formulated coupled tensor decomposition problem.

Original languageEnglish (US)
Title of host publicationConference Record - 53rd Asilomar Conference on Circuits, Systems and Computers, ACSSC 2019
EditorsMichael B. Matthews
PublisherIEEE Computer Society
Pages1644-1648
Number of pages5
ISBN (Electronic)9781728143002
DOIs
StatePublished - Nov 2019
Event53rd Asilomar Conference on Circuits, Systems and Computers, ACSSC 2019 - Pacific Grove, United States
Duration: Nov 3 2019Nov 6 2019

Publication series

NameConference Record - Asilomar Conference on Signals, Systems and Computers
Volume2019-November
ISSN (Print)1058-6393

Conference

Conference53rd Asilomar Conference on Circuits, Systems and Computers, ACSSC 2019
Country/TerritoryUnited States
CityPacific Grove
Period11/3/1911/6/19

Bibliographical note

Funding Information:
ACKNOWLEDGMENT The work of X. Fu and M. Hong is supported in part by the National Science Foundation under Project ECCS 1808159 and the Army Research Office under Project ARO W911NF-19-1-0247. The work of G. Zhang and J. Wang is supported in part by the National Key R&D Program of China under Grant 2018YFC0807101, the National Research Program of China under Grant 9020302, the Foundation of National Key Laboratory of Science and Technology on Communications, the Innovation Fund of NCL (IFN), and the National Natural Science Foundation of China (NSFC) under Grant 61471099.

Publisher Copyright:
© 2019 IEEE.

Keywords

  • block term decomposition
  • coupled tensor decomposition
  • radio map
  • spectrum cartography

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