A channel estimation algorithm for MIMO-SCFDE

J Siew, J Coon, RJ Piechocki, MA Beach, SMD Armour, JP McGeehan, AR Nix

Research output: Contribution to journalArticle (Academic Journal)peer-review

32 Citations (Scopus)
525 Downloads (Pure)


This letter proposes a novel method for channel stimation in a single-carrier multiple input-multiple output (MIMO) system with frequency-domain equalization/detection. To this end, we construct novel short MIMO training sequences that have constant envelope in the time domain to preclude the peak to-average power ratio problem encountered in many systems that utilize the frequency domain for data recovery. Simultaneously, the spectrum in the frequency domain is flat except for a grid of nulls for prede- fined frequency tones. Armed with these sequences, we provide an algorithm that is optimal in the least squares (LS) sense at a potentially low computational cost. Results show that the algorithm performs identically to other proposed LS techniques. Furthermore, the algorithm is extremely bandwidth efficient in that the total training overhead required to obtain full CSI is just one block
Translated title of the contributionA channel estimation algorithm for MIMO-SCFDE
Original languageEnglish
Article numberIssue 9
Pages (from-to)555 - 557
Number of pages3
JournalIEEE Communications Letters
Issue number9
Publication statusPublished - Sept 2004

Bibliographical note

Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Rose publication type: Journal article

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  • channel estimation
  • MIMO
  • OFDM


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