BROWSE
Detail
Registered TERMINAL IN WIRELESS COMMUNICATION SYSTEM AND RANGING METHOD THEREOF
- Inventors
- Lee Namsuk, Jun Bae Seo, Park Nam Hoon
- Application No.
- 11720921 (2005.09.08)
- Publication No.
- 20090296661 (2009.12.03)
- Registration No.
- 8194619 (2012.06.05)
- Country
- UNITED STATES
- Abstract
- A ranging method of an access terminal comprising receiving and analyzing UL-MAP/DL-MAP; selecting a given uplink sub-channel number and a symbol number from the UL_MAP when a ranging event is generated; requesting a ranging process by transmitting a CDMA code; receiving a ranging response message broadcasted from the access point; extracting a CDMA code, a sub-channel number, and a symbol number from the received ranging response message, comparing the extracted result and the stored ranging parameters, and adjusting transmission power, timing, and frequency offset on the basis of the extracted result or discarding the ranging response message; and terminating a ranging response message receipt operation.
- KSP Keywords
- Access point, Channel number, Communication system, Sub-channels, Wireless communication system, frequency offset, sub-channel number, transmission power, wireless communication
- Family
| Status | Patent | Country | KIPRIS |
|---|---|---|---|
| Registered | 이동통신 시스템의 단말기 및 그의 레인징 방법 | KOREA | KIPRIS |