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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Feng, L | - |
dc.contributor.author | Fan, P | - |
dc.contributor.author | Loo, KK | - |
dc.contributor.author | Tarokh, V | - |
dc.coverage.spatial | 15 | en |
dc.date.accessioned | 2010-12-02T16:19:39Z | - |
dc.date.available | 2010-12-02T16:19:39Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Journal of Wireless Personal Communications, 50(4): 497-503, Sep 2009 | en_US |
dc.identifier.issn | 1572-834X | - |
dc.identifier.uri | http://www.springerlink.com/content/m564176282706745/ | en |
dc.identifier.uri | http://bura.brunel.ac.uk/handle/2438/4611 | - |
dc.description | The full published version of this paper can be accessed at the link below. Copyright © 2008, Springer Science+Business Media, LLC. Permission to reprint/republish this material must be obtained from the publisher. | en_US |
dc.description.abstract | In this paper, we propose a newconstruction of signaturewaveform sets based on Generalized Loosely Synchronization (GLS) sets and different chipwaveforms. The newsignature sets are applied into the multi-rate multi-cell quasi-synchronous CDMA (QS-CDMA) system where each cell is assigned with aGLS set; different users in the same cell are assigned with different GLS sequences in the same GLS set; user’s different streams are assigned with the same GLS sequence but different chip waveforms. According to the properties of GLS sets, the inter-cell interference (ICI) and the multi-user interference (MUI) in the same cell can be reduced significantly. The interferences among different streams of the same user are handled by an optimal (or suboptimal) multi-stream detector(s), notice that the multi-stream detector mentioned here is also named as multi-user detector in other references. We compare the performance of the multi-rate multi-cell QS-CDMA system employing the proposed sets with that of multi-rate system employing well-known concatenated orthogonal/PN sets and that of single-rate system employing GLS sets. The results show that the multi-rate system employing the proposed sets can achieve significant interference reduction. Meanwhile the performance of multi-rate system is similar to that of single-rate system due to the inclusion of multi-user detection. | en_US |
dc.description.sponsorship | This work was supported by the National Science Foundation of China (NSFC) under the Grant No.60772087/90604035, the National 863 High-Tech R&D Program under the Grant No. 2007AA01 Z228, the 111 Project under the Grant No. 111-2-14 | en_US |
dc.language.iso | en | en_US |
dc.publisher | Springer | en_US |
dc.subject | GLS sequences | en_US |
dc.subject | Generalized orthogonal | en_US |
dc.subject | Multi-rate | en_US |
dc.subject | Quasi-synchronous CDMA system | en_US |
dc.title | A new construction of signature waveforms for multi-rate multi-cell QS-CDMA systems | en_US |
dc.type | Research Paper | en_US |
dc.identifier.doi | http://dx.doi.org/10.1007/s11277-008-9620-0 | - |
Appears in Collections: | Electronic and Computer Engineering Dept of Electronic and Electrical Engineering Research Papers |
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