Detection method and apparatus for multiple-input multiple-output single carrier block transmission system
US8811145B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03019
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a detection method, a receiver, and an apparatus in a multiple-input multiple-output single-carrier block transmission system. Through sorted QR decomposition (Sorted QR Decomposition, SQRD) decomposition based on a minimum mean squared error (Minimum Mean Squared Error, MMSE) criterion, an matrix inverse operation in minimum mean squared error equalization is avoided, and complexity is significantly reduced. In addition, through layer-by-layer soft interference cancellation detection after the SQRD decomposition and further iterative processing, better detection performance may be obtained. Especially, inter-stream interference suppression may be performed in first iteration. Compared with a conventional parallel iterative soft interference cancellation detection algorithm, with the same number of times of iteration, especially under the limit that a receiver can only support a small number of times of iteration, the inter-stream interference suppression has more evident advantages, and an advantage in the aspect of cost performance is very obvious.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.