Complex multiplexing transmission/reception apparatus and method in a wireless communication system
US7940739B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2006 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Sep 29, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J13/0048
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for transmitting data in a wireless communication system using Code Division Multiplexing (CDM) are provided. A code controller distinguishes a Walsh code used for spreading during data transmission and a Walsh code unused for spreading based on a signal-to-interference ratio required by the system, and separately provides the Walsh codes. A CDM multiplexer CDM-multiplexes input data using the Walsh code used for spreading, provided from the code controller. A code modulator modulates input data using the Walsh code unused for spreading, provided from the code controller. A multiplexer multiplexes outputs of the CDM multiplexer and the code modulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.