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Patent applications and USPTO patent grants for Koo; Chang-Hol.The latest application filed is for "system and method for handover to minimize service delay due to ping pong effect in bwa communication system".
Patent | Date |
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Device and method for transmitting data with different qualities in mobile communication system Grant 7,068,627 - Koo , et al. June 27, 2 | 2006-06-27 |
System and method for handover to minimize service delay due to ping pong effect in BWA communication system App 20050197124 - Kang, Hyun-Jeong ;   et al. | 2005-09-08 |
Method for uplink bandwidth request and allocation based on a quality of service class in a broadband wireless access communication system App 20050063330 - Lee, Sung-Jin ;   et al. | 2005-03-24 |
Mode transition method considering handover in a broadband wireless access communication system App 20050059437 - Son, Yeong-Moon ;   et al. | 2005-03-17 |
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