Method and apparatus for assigning Walsh codes
US7061965B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 31, 2001 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Jan 19, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2201/70703
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A Walsh code assigning apparatus includes a retaining unit retaining assignment order information about an order of assignment of the plural Walsh codes such that one Walsh code having a smaller bit length becomes unable to he orthogonally separated as being precedent over another Walsh code having a larger bit length and a controller including a retrieving unit retrieving an idle Walsh code having an assignment request bit length in accordance with the assignment order information retained in the retaining unit, and assigning unit assigning the idle Walsh code, which has been obtained by the retrieving unit, to the spreading code of a last-named communication channel for which the assignment request is issued.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.