System and method for low complexity sphere decoding for spatial multiplexing MIMO
US8270520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jun 14, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2025/03624
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In this application, an algorithm for decoding multiple input-multiple output (MIMO) transmission for communication systems is provided; the algorithm combines sphere decoding (SD) and zero forcing (ZF) techniques to provide near optimal low complexity and high performance constant time modified sphere decoding algorithm; the algorithm was designed especially for large number of transmit antennas, that allows efficient implementation in hardware—this is done by limiting the number of overall SD iterations; moreover, matrices with high condition number are more likely to undergo SD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.