Abstract
The crest factor distribution of orthogonal-frequency-division-multiplexing (OFDM) symbol sequences is evaluated, and it is shown that OFDM symbol sequences with a short period are expected to have a high crest factor. The crest factor relationship between two input symbol sequences, Hamming distance D apart, is also derived. Using these two results, two criteria are proposed for a phase sequence set of the selected mapping (SLM) OFDM scheme and suggest the rows of the cyclic Hadamard matrix constructed from an m-sequence as a near-optimal phase sequence set of the SLM OFDM scheme.
| Original language | English |
|---|---|
| Pages (from-to) | 1931-1935 |
| Number of pages | 5 |
| Journal | IEEE Transactions on Signal Processing |
| Volume | 54 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 2006 |
Keywords
- Crest factor
- Cyclic Hadamard matrix
- Orthogonal-frequency-division multiplexing (OFDM)
- Phase sequence
- Selected mapping (SLM)
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