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Sunday, 21 October 2012

WiMax Vs Wi-fi



·         WiMAX is based on IEEE 802.16 standard.


·         Wi-Fi is based on IEEE 802.11 standard.

·         WiMAX antenna is expected to have a range of up to 40 miles with speeds of 70 Mbps or more.


·         Wi-Fi typically provides local network access for around a few hundred feet with speeds of up to 54 Mbps.

·         WiMAX is designed to efficiently support from one to hundreds of Consumer premises equipments (CPE)s, with unlimited subscribers behind each CPE. Flexible channel sizes from 1.5MHz to 20MHz.


·         Wi-Fi is intended for LAN applications, users scale from one to tens with one subscriber for each CPE device. Fixed channel sizes (20MHz).

·         WiMAX works at 5 bps/Hz and can peak up to 100 Mbps in a 20 MHz channel.


·         Wi-Fi works at 2.7 bps/Hz and can peak up to 54 Mbps in 20 MHz channel.

·         WiMax will provide your several level of QoS.


·         Wi-Fi does not guarantee any QoS

·         It supports full duplex comm.


·         It supports half duplex comm.

·         Encryption:

1)  Mandatory- 3DES

2)  Optional- AES


·         Encryption:

1)      Optional-RC4

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