Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9357462 | Apparatus and method for changing serving cell in a high speed wireless communication system | Jin-Ik Kim, Yun-Seok Hwang, Soo-Yeul Oh, Jae-Yeong Kwon | 2016-05-31 |
| 9204352 | Apparatus and method for handover between a heterogeneous communication system and a broadband wireless communication system | Young-Hak Choi, Sang Jun Lee, Jae-Yeong Kwon, Sang Ho Lee | 2015-12-01 |
| 8805378 | Apparatus and method for handover between a heterogeneous communication system and a broadband wireless communication system | Young-Hak Choi, Sang Jun Lee, Jae-Yeong Kwon, Sang Ho Lee | 2014-08-12 |
| 8279820 | Apparatus and method for allocating ID cell to avoid preamble pseudo noise code duplication in broadband wireless communication system | Jin-Kyung Cha, Gil-Ryun Nam, Jae Ho Lee, Jae Ho Jeong, Soo-Yeul Oh | 2012-10-02 |
| 8275389 | Apparatus and method for determining operation of location update in a broadband wireless communication system | Sung Beom Jung, Jae-Yeong Kwon, Soo-Yeul Oh, Sang Jun Lee, Young-Hak Choi +1 more | 2012-09-25 |
| 8254933 | Apparatus and method for handover between a heterogeneous communication system and a broadband wireless communication system | Young-Hak Choi, Sang Jun Lee, Jae-Yeong Kwon, Sang Ho Lee | 2012-08-28 |
| 6731620 | Method for optimally allocating channel power in W-CDMA WILL system | Young-sik Lim | 2004-05-04 |
| 6671265 | Method for optimizing hard handoffs in CDMA network | Yun-Seok Hwang | 2003-12-30 |
| 6631262 | Method for updating sector list of home zone database for home zone service | — | 2003-10-07 |
| 6628944 | Apparatus for constructing a zone data base for home zone service and method therefor | Jae Ho Jeong, Jae-Seong Bae, Hyun Jung Park | 2003-09-30 |
| 6501958 | Method for controlling forward power control utilizing an erasure indicator bit in a CDMA system | Yun-Seok Hwang | 2002-12-31 |
| 6496683 | Apparatus and method for suppressing frequency interference | Sang Tae Kim | 2002-12-17 |
| 6466547 | System and method for optimizing forward power control in a personal communication service (PCS) code division multiple access (CDMA) system using a laboratory test | Young-sik Lim | 2002-10-15 |
| 6456652 | Method for optimizing forward link coverage in code division multiple access (CDMA) network | Gun-yeob Kim | 2002-09-24 |
| 6445925 | Method for setting a location registration zone | Jae-Yeong Kwon | 2002-09-03 |
| 6418322 | Method for forward power control in cellular system | Gun-yeob Kim | 2002-07-09 |
| 6408186 | Method of locating a mobile phone by measuring the distance between the phone and a base station in a cellular mobile telephone system | Jee Y. Park | 2002-06-18 |
| 6272122 | Pilot PN offset assigning method for digital mobile telecommunications system | — | 2001-08-07 |
| 6188906 | Method for coverage optimization of multi-frequency assignment system | Young-sik Lim | 2001-02-13 |
| 6151508 | Reverse power control method in a cellular system | Gun-yeob Kim | 2000-11-21 |