Patent ID: 6393032
Filing Date: 2002-05-21
Classification: H04L,H04W

Abstract:
A wireless local area network (LAN) system comprising:a first wireless terminal comprising a first modem and a second modem faster than said first modem; and a plurality of other wireless terminals, wherein said first wireless terminal transmits a first control frame to and receives a second control frame from said other wireless terminals for connecting a wireless channel therebetween, and transmits data in a data frame to and receives data from said other wireless terminals through said wireless channel, wherein said other wireless terminals stop transmission upon receiving said first control frame from said first wireless terminal, said first wireless terminal transmitting said first control frame to and receive said second control frame from said other wireless terminals with said first modem at a first data transfer rate for connecting said wireless channel therebetween, and thereafter transmitting data to and receive data from said other wireless terminals with said second modem, faster than said first modem, at a second date transfer rate greater than said first data transfer rate.