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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Higuchi, K. Fujiwara, A. Sawahashi, M. |
| Copyright Year | 2001 |
| Description | Author affiliation: Wireless Labs., NTT DoCoMo, Inc., Kanagawa, Japan (Higuchi, K.) |
| Abstract | This paper proposes a multipath interference canceller (MPIC) associated with orthogonal code-multiplexing with orthogonal variable spreading factor (OVSF) channelization codes that achieves high throughput performance with adaptive data modulation in multipath fading channels in the W-CDMA forward link, and evaluates its throughput performance by computer simulation. The simulation results elucidate that sufficient multipath interference suppression is achieved by a four-stage MPIC with 6-12 orthogonal code-multiplexing using one iterative channel estimation with pilot and decision feedback data symbols hard-decided after RAKE combining. We show that the maximum peak throughput using MPIC is approximately 2.1 fold that without MPIC in a 2-path Rayleigh fading channel and that the peak throughput of 8.0 Mbps is achieved using 64QAM data modulation within a 5-MHz bandwidth. Furthermore, the required average E/sub b//N/sub 0/ for satisfying the same throughput with MPIC is decreased by more than 2.0 dB. |
| Starting Page | 2297 |
| Ending Page | 2301 |
| File Size | 684614 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780367286 |
| ISSN | 10903038 |
| DOI | 10.1109/VETECS.2001.945105 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-05-06 |
| Publisher Place | Greece |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Interference cancellation Throughput Fading Modulation coding Multiaccess communication Computer simulation Computational modeling Interference suppression Channel estimation Feedback |
| Content Type | Text |
| Resource Type | Article |
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