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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Qi Ling Tongtong Li |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Michigan State Univ., East Lansing, MI (Qi Ling; Tongtong Li) |
| Abstract | In this paper, space-time transmit diversity is exploited to relax the restrictive blind channel identifiability constraints for multiple-input multiple-output (MIMO) systems. First, a simple structured transmit delay diversity scheme is proposed. Unlike existing transmit diversity schemes, in which different antennas transmit delayed, zero-padded, or time reversed versions of the same signal, in the proposed scheme, each antenna transmits an independent data stream and therefore promises higher data rate. Secondly, a second-order statistics based blind channel estimation algorithm is developed for MIMO systems with the structured transmit diversity. The proposed approach involves no pre-equalization, has no limitations on channel zero locations and does not require the MIMO channel matrix to be irreducible. Simulation results demonstrate the robustness and effectiveness of the proposed scheme |
| Starting Page | 5 |
| Ending Page | 2968 |
| File Size | 147053 |
| Page Count | 2964 |
| File Format | |
| ISBN | 0780394143 |
| DOI | 10.1109/GLOCOM.2005.1578301 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-11-28 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Blind equalizers MIMO Delay estimation Transmitting antennas Delay effects Statistics Channel estimation Robustness Signal detection Transfer functions |
| Content Type | Text |
| Resource Type | Article |
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