文件名称：EECS semina
文件大小：154KB
文件格式：PDF
更新时间：2012-10-05 19:42:50
semina
Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers! Computer nets: laptops, palmtops, PDAs, Internet-enabled phone promise anytime untethered Internet access Two important (but different) challenges Communication over wireless link Handling mobile user who changes point of attachment to network