Method and system for providing a power-efficient soft handoff in a multicarrier CDMA cellular system
US6175736A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1998 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Sep 23, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/40
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for providing a power-efficient soft handoff in a multicarrier CDMA cellular system includes: a determining device for determining a time point when a user of a mobile station executes a handoff operation from one base station to an adjacent base station thereto, during the user communicates with another system's user through the one base station; a providing device for providing handoff request information inclusive of information of the adjacent base station; a base station control device for commanding the one base station and the adjacent base station to transmit stop of information of the another system's user, with non-assigned carrier and for commanding the adjacent base station to transmit start the information of the another system's user, with assigned carrier, in accordance with the hand off request information received through the one base station by the mobile station's user; a base station transmission device for transmitting the information of the another system's user only with the assigned carrier, in accordance with the assignment of carrier of the base station control device; and a receiving device of the mobile station's user for combining and demodulat…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.