Thomas Kunz
Systems and Computer Engineering
152
WaveLAN
nCommercial product, developed by Lucent Technologies (de-facto market leader), available since early
1990s
nDevelopment closely aligned with early IEEE 802.11 standard effort, first product generation differs in key
aspects from final IEEE 802.11
standard
nWill discuss WaveLAN version 1, newer version 2 follows finally approved 802.11 standard (plus enhancements to allow for data rates up to 10 Mbps)
nPhysical layer:
–915 MHz
(902-928 MHz) or 2.4 GHz (2.412-2.475 GHz) ISM band
–Bands are
divided into frequency channels of 26 MHz each
–Modulation
scheme: DSSS, raw data rate of 2 Mbps