System and method for embedding OFDM in CDMA systems
US7471932B2 · kind B2 · utility
34Cited by
4References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2004 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Apr 25, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2201/70701
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods of combining OFDM and CDMA signals are provided. An OFDM packet data channel is overlaid over CDMA transmissions. The channel is scheduled slotwise between multiple users. In some embodiments, there is a CDMA packet data channel which is scheduled together with the OFDM packet data channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.