Abstract
"Single Carrier Frequency Division Multiple Access" (SC-FDMA) is a strong candidate for uplink transmissions in the 3G Long Term Evolution (LTE) standard. SC-FDMA is a multiple access scheme that uses DFT spreading prior to OFDM modulation to map the signal from each user to a subset of the available subcarriers. SC-FDMA has a significantly lower peak-to-average power ratio (PAPR) compared to OFDM/OFDMA. This greatly improves its RF power amplifier efficiency and also the mean power output from a battery driven mobile terminal. In this paper, the impact of radio resource allocation and pulse shaping on the PAPR of SC-FDMA signals are investigated, especially for localized FDMA (LFDMA) signals. It is shown that distributed FDMA (DFDMA) signals with raised cosine filtering experience reduced PAPR as ¿ increases. However, for LFDMA signals the PAPR increases with increasing ¿ and further varies according to the allocated resource unit.
| Translated title of the contribution | Impact of radio resource allocation and pulse shaping on PAPR of SC-FDMA signals |
|---|---|
| Original language | English |
| Title of host publication | IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, 2007 (PIMRC 2007), Athens |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 1 - 5 |
| Number of pages | 5 |
| ISBN (Print) | 9781424411443 |
| DOIs | |
| Publication status | Published - Sept 2007 |
| Event | 18th International Symposium on Personal, Indoor and Mobile Radio Communications (2007) - Athens, Greece Duration: 1 Sept 2007 → … |
Conference
| Conference | 18th International Symposium on Personal, Indoor and Mobile Radio Communications (2007) |
|---|---|
| Abbreviated title | PIMRC |
| Country/Territory | Greece |
| City | Athens |
| Period | 1/09/07 → … |
Bibliographical note
Conference Proceedings/Title of Journal: IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, 2007 (PIMRC 2007)Rose publication type: Conference contribution
Additional information: With accompanying conference presentation
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Keywords
- SC-FDMA
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