Method and apparatus for optimizing tree pruning in a multiuser detector
US7190743B2 · kind B2 · utility
21Cited by
10References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2002 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Sep 13, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03299
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A multi-user decoder is disclosed in which interfering users are assigned to levels of a decoding tree constructed in the decoder dependent on the power levels of the user's received signals and for each symbol interval. By building the decoding tree in this manner for each symbol interval, a reduced complexity search is more likely to include paths and nodes in the tree containing the correct value for the channel symbols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.