Parallel processing of sphere decoders and other vector finding approaches using tree search
US10374841B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2016 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Jul 23, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03286
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Apparatus and methods for finding a vector solution to a tree search problem are disclosed. In some embodiments, the apparatus and methods can be used for sphere decoding. The tree search is performed by: obtaining a tree graph; identifying a plurality of nodes in the tree graph that are likely to be part of the solution to the tree graph; partitioning the tree graph into a plurality of sub-trees, each sub-tree including one or more of the identified nodes; processing the plurality of sub-trees in parallel by allocating one or more of the processing elements to each of the sub-trees; and determining the solution based on results of the sub-tree processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.