Skip to main navigation Skip to search Skip to main content

An adaptive channel estimation based on polynomial fitting for LTE uplink in high doppler spread scenario

  • Bei Jia Liu
  • , Xiao Wang
  • , Xue Zhi Tan
  • , Yang Yu
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Channel estimation plays a crucial role in improving the overall system performance in long term evolution (LTE) systems. However, it is demonstrated that conventional channel estimation algorithms have poor performance in the presence of a large Doppler frequency shift. To mitigate the adverse effect of Doppler frequency shift on transmission signals, an adaptive anti-Doppler shift method based on polynomial fitting for LTE uplink is proposed in this paper. Furthermore, an adaptive strategy is exploited to improve estimation accuracy and reduce estimation mean square error (MSE), achieving better system performance. Simulations results validate the effectiveness of anti-Doppler algorithm.

Original languageEnglish
Title of host publicationInformation Technology Applications in Industry, Computer Engineering and Materials Science
Pages3522-3526
Number of pages5
DOIs
StatePublished - 2013
Event3rd International Conference on Materials Science and Information Technology, MSIT 2013 - Nanjing, Jiangsu, China
Duration: 14 Sep 201315 Sep 2013

Publication series

NameAdvanced Materials Research
Volume756-759
ISSN (Print)1022-6680

Conference

Conference3rd International Conference on Materials Science and Information Technology, MSIT 2013
Country/TerritoryChina
CityNanjing, Jiangsu
Period14/09/1315/09/13

Keywords

  • Channel estimation
  • LS
  • LTE uplink
  • Polynomial fitting

Fingerprint

Dive into the research topics of 'An adaptive channel estimation based on polynomial fitting for LTE uplink in high doppler spread scenario'. Together they form a unique fingerprint.

Cite this