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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jun Ling Xing Tan Yardibi, T. Jian Li Hao He Nordenvaad, M.L. |
| Copyright Year | 2009 |
| Description | Author affiliation: Department of Electrical and Computer Engineering, University of Florida, Gainesville, 32611, USA (Jun Ling; Xing Tan; Yardibi, T.; Jian Li; Hao He) || Department of Underwater Research, Swedish Defence, Research Agency, SE-164 90 Stockholm, Sweden (Nordenvaad, M.L.) |
| Abstract | Effective training sequences and reliable channel estimation algorithms are essential for enhancing the performance of multi-input multi-output (MIMO) underwater acoustic communications (UAC). Also, effective interference cancellation schemes are crucial for reliable symbol detection. In this paper, the problem of designing MIMO training sequences is considered. Moreover, we present a sparse learning via iterative minimization (SLIM) algorithm for enhanced channel estimation and reduced computational complexity. Furthermore, RELAX-BLAST, a linear minimum mean-squared error based symbol detection scheme, is implemented efficiently by exploiting the conjugate gradient method and diagonalization properties of circulant matrices. The proposed MIMO UAC techniques are evaluated using both simulated and experimental examples. |
| Starting Page | 600 |
| Ending Page | 604 |
| File Size | 259330 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424458257 |
| ISSN | 10586393 |
| e-ISBN | 9781424458271 |
| DOI | 10.1109/ACSSC.2009.5469906 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-11-01 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Channel estimation Acoustic signal detection Underwater tracking MIMO Underwater acoustics Underwater communication Iterative algorithms Interference cancellation Minimization methods Computational complexity circulant matrix MIMO UAC the SLIM algorithm RELAX-BLAST conjugate gradient method |
| Content Type | Text |
| Resource Type | Article |
| Subject | Signal Processing Computer Networks and Communications |
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