CDMA mobile communication system and communication method
US7251230B2 · kind B2 · utility
5Cited by
29References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Aug 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/1263
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A radio communication system having a base station and a plurality of radio terminals, wherein each radio terminal having a transmission request transmits a reservation packet at arbitrary timing through a reservation channel in accordance with a CDMA scheme, and the base station assigns a traffic channel and a time slot to be used to each radio terminal requesting a reservation through a reply packet outputted onto a reply channel. On the reservation channel, a short spreading code corresponding to a matched filter is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.