Code branch allocation for CDMA systems
US7039092B1 · kind B1 · utility
9Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2000 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Feb 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/0466
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There is disclosed a method of allocating a channelisation code comprising, for each user, defining a path in the code tree based on a required range of spreading factors, selecting a node of the path in dependence on the currently required spreading factor; and reserving all nodes on the code tree in an upward and downward direction from the selected node, wherein the selected node for any user must not coincide with a node reserved by any other user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.