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  • Review Article
  • Open Access

MIMO Technologies in 3GPP LTE and LTE-Advanced

EURASIP Journal on Wireless Communications and Networking20092009:302092

  • Received: 13 February 2009
  • Accepted: 31 May 2009
  • Published:


3rd Generation Partnership Project (3GPP) has recently completed the specification of the Long Term Evolution (LTE) standard. Majority of the world's operators and vendors are already committed to LTE deployments and developments, making LTE the market leader in the upcoming evolution to 4G wireless communication systems. Multiple input multiple output (MIMO) technologies introduced in LTE such as spatial multiplexing, transmit diversity, and beamforming are key components for providing higher peak rate at a better system efficiency, which are essential for supporting future broadband data service over wireless links. Further extension of LTE MIMO technologies is being studied under the 3GPP study item "LTE-Advanced" to meet the requirement of IMT-Advanced set by International Telecommunication Union Radiocommunication Sector (ITU-R). In this paper, we introduce various MIMO technologies employed in LTE and provide a brief overview on the MIMO technologies currently discussed in the LTE-Advanced forum.


  • Long Term Evolution
  • Wireless Link
  • Wireless Communication System
  • Peak Rate
  • Study Item

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Authors’ Affiliations

Digital Media & Communications R&D Center, Samsung Electronics, 416, Maetan-3dong, Yeongtong-gu, Suwon-si, 443-742, South Korea
Wireless System Lab, Samsung Telecom America, 1301 E. Lookout Drive, Richardson, TX 75082, USA


© Juho Lee et al. 2009

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.