Optimal maximum likelihood signal detection method and apparatus for MIMO system
US9184879B1 · kind B1 · utility
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Key dates
| Filing date | Oct 10, 2014 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Oct 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03891
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An optimal maximum likelihood signal detection method and apparatus for a MIMO system are disclosed. An embodiment of the invention can provide an optimal signal detection method for a multiple-input multiple-output system that includes: determining the smallest metric of the final layer expanded from the candidate symbols of the i-th detection layer as the optimal threshold of the i-th detection layer; and selecting surviving candidate symbols from among the candidate symbols of the i-th detection layer by using the optimal threshold.
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