Multiple access with energy spreading transform

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


In this letter, the principle of iterative detection based on energy spreading transform (EST) introduced by Hwang and Li is applied to the multiuser-detection (MUD) problem. Different from turbo principle, EST enables iterative signal detection at the receiver without any bandwidth increase resulting from channel coding. It is shown by analysis as well as computer simulation that a significant performance gain in user separation can be obtained by employing ESTs consisting of different random permutations for different users.

Original languageEnglish
Pages (from-to)150-153
Number of pages4
JournalIEEE Signal Processing Letters
Publication statusPublished - 2008

Bibliographical note

Funding Information:
Manuscript received September 16, 2007; revised October 25, 2007. This work was supported by the Ministry of Information and Communication (MIC), Korea, under the Information Technology Research Center (ITRC) support program: IITA-2007-(C1090-0701-0011). The associate editor coordinating the review of this manuscript and approving it for publication was Dr. Fernando Perez-Gonzalez.

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics


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