Modulo loss reduction for vector perturbation systems

Hyeon Seung Han, Seok Hwan Park, Sunho Lee, Inkyu Lee

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


In this letter, we present an improved precoding technique which reduces a modulo loss in vector perturbation with low complexity. Instead of searching perturbation vectors in the infinite lattice, the proposed scheme restricts the search range by utilizing the distribution of the perturbation vector depending on transmitted data. As a result, we can achieve significant complexity savings at the transmitter while providing better performance compared to the original vector perturbation.

Original languageEnglish
Article number5595118
Pages (from-to)3392-3396
Number of pages5
JournalIEEE Transactions on Communications
Issue number12
Publication statusPublished - 2010 Dec

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2010-0017909). The material in this paper was presented in part at the IEEE International Conference on Communications (ICC) in June 2009.


  • Multiple antennas
  • precoding
  • vector perturbation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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