Referenced Items are not available for this document.
We discuss the construction method of orthogonal sequences for downlink OFDM-CDMA, in terms of the peak to average power ratio (PAPR) of the transmitted signals. The PAPR property is studied based on two orthogonal sets of sequences: Walsh-Hadamard and complementary sequences. It is shown that for relatively few active users, Walsh-Hadamard sequences tend to have very large PAPR, while the PAPR of complementary sequences remains stable near its theoretical value. A simple but effective peak reduction scheme is also proposed for OFDM-CDMA
Published in:
Communications, 1998. ICC 98. Conference Record. 1998 IEEE International Conference on
(Volume:3
)
Date of Conference: 7-11 Jun 1998
- Page(s):
- 1299 - 1303 vol.3
- Meeting Date :
- 07 Jun 1998-11 Jun 1998
- Print ISBN:
- 0-7803-4788-9
- INSPEC Accession Number:
- 6083571
- Conference Location :
- Atlanta, GA
- Digital Object Identifier :
- 10.1109/ICC.1998.683035
- Product Type:
- Conference Publications
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