Inventor

YU XIU LAN

CN3 patents

Patents

3 patents

US7899017B2Mar 1, 2011

Switching between two communication modes in a WLAN

IBM36 citations90

US6940530B2Sep 6, 2005

Determining means, terminal device, system and method for point label placement on a map

IBM30 citations90

US6983205B2Jan 3, 2006

Compressing location data of moving objects

IBM13 citations82