Ma, Zheng and Honary, Bahram and Fan, Pingzhi and Larsson, Erik G. (2009) Stopping criterion for complexity reduction of sphere decoding. IEEE Communications Letters, 13 (6). pp. 402-404.Full text not available from this repository.
Maximum-likelihood detection in MIMO communications amounts to solving a least-squares problem with a constellation (alphabet) constraint. One popular method that can be used to solve this problem is sphere decoding. We show in this letter that by employing a simple stopping criterion, it is possible to significantly reduce the complexity of sphere decoding over a wide range of SNRs, without a noticeable performance degradation. Specifically, simulation results demonstrate that a 10%-90% reduction of the average complexity could be achieved.
|Journal or Publication Title:||IEEE Communications Letters|
|Uncontrolled Keywords:||Lattice reduction ; MIMO ; sphere decoding|
|Subjects:||Q Science > QA Mathematics > QA75 Electronic computers. Computer science|
|Departments:||Faculty of Science and Technology > School of Computing & Communications|
|Deposited On:||30 Aug 2012 10:28|
|Last Modified:||30 Aug 2012 10:28|
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