Performance of asynchronous multicarrier CDMA multiuser receiver over frequency selective fading channels
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- Rui Liu
- Dr Graeme Chester
- Professor Bayan Sharif
- Yi Yi
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| Author(s) | | Sharif BS; Chester EG; Yi SJ; Liu R |
| Editor(s) | | |
| Publication type | | Conference Proceedings (inc. Abstract) |
| Conference Name | | 14th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications |
| Conference Location | | Bejing, China |
| Year of Conference | | 2003 |
| Date | | 7-10 September 2003 |
| Volume | | 2 |
| Pages | | 1536-1540 |
| ISBN | | 0780378229 |
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| Full text for this publication is not currently held within this repository. Alternative links are provided below where available. |
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| An asynchronous multicarrier code division multiple access (MC-CDMA) scheme over frequency selective multipath Rayleigh fading channels for the reverse link of a mobile communication system is investigated when the delay spread is in excess of a symbol interval. An architecture of a centralized decision feedback equalizer (CDFE) based on the minimum mean-square-error (MMSE) criterion is suggested to reduce both inter-symbol-interference (ISI) and multiple access interference (MAI) due to the multi-path propagation, and the MAI due to the effect of the reverse asynchronous reception mode at the base station. The receiver architecture is for multi-user detection (MUD) consisting of a multiple-layer feed-forward filter (ML-FFF) and a centralized feed back filter (CFBF). Results indicate that an enhancement in capacity and good interference resistance are obtained by the proposed multi-user detection scheme over the structure without CFBF (NCDFE), which only uses ML-FFF and FBF. Additionally, it is demonstrated that the structure performs multi-path energy Rake combining. (6 References). |
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| Publisher | | IEEE |
| URL | | http://dx.doi.org/10.1109/PIMRC.2003.1260370 |
| DOI | | 10.1109/PIMRC.2003.1260370 |
| Notes | | Ke G
NiuZ
2. Piscataway, NJ, USA.
14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications. Proceedings. Beijing, China. IEEE Commun. Soc. 7-10 Sept. 2003. |
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