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Narrowband Interference Mitigation Based on Compressive Sensing for OFDM Systems

Sicong LIU, Fang YANG, Chao ZHANG, Jian SONG

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Summary :

A narrowband interference (NBI) estimation and mitigation method based on compressive sensing (CS) for communication systems with repeated training sequences is investigated in this letter. The proposed CS-based differential measuring method is performed through the differential operation on the inter-block-interference-free regions of the received adjacent training sequences. The sparse NBI signal can be accurately recovered from a time-domain measurement vector of small size under the CS framework, without requiring channel information or dedicated resources. Theoretical analysis and simulation results show that the proposed method is robust to NBI under multi-path fading channels.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.3 pp.870-873
Publication Date
2015/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.870
Type of Manuscript
LETTER
Category
Noise and Vibration

Authors

Sicong LIU
  Tsinghua National Laboratory of Information Science and Technology (TNList), Tsinghua University
Fang YANG
  Tsinghua National Laboratory of Information Science and Technology (TNList), Tsinghua University
Chao ZHANG
  Tsinghua National Laboratory of Information Science and Technology (TNList), Tsinghua University
Jian SONG
  Tsinghua National Laboratory of Information Science and Technology (TNList), Tsinghua University,National Engineering Lab. for DTV (Beijing)

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