CDMA mobile communications system and communication method
US6570865B2 · kind B2 · utility
61Cited by
26References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Jun 15, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/2637
- WIPO fieldTelecommunications
- 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.