Friday, May 24, 2013


WiMAX stands for Worldwide Interoperabilityfor Microwave Access. WiMAX is a broadband wi-fi point-to-multipoint specification from the IEEE 802.16 working workforce.Unlike wi-fi LAN technologies the type ofs Wi-Fi (802.11), WiMAX is designed to function as a wireless MAN (Metropolitan Area Network). This places WiMAX in the same type as the earlier 802.16 standards, MMDS and LMDS.
WiMAX Frequencies

WiMAX variations operate both on FCC licensed frequencies and on unlicensed frequencies.
Licensed WiMAX operates within the 10 to 66GHz vary; unlicensed WiMAX operates in the 2 to 11Ghz vary.
WiMAX Bandwidth and Range WiMAX has a theoretical maximum bandwidth of 75Mbps. This bandwidth can be carried out utilizing 64QAM 3/4 modulation. 64QAM can only be utilized below optimum transmission stipulations. WiMAX toughens the usage of a extensive vary of modulation algorithms to permit probably the most bandwidth to be realized below all conditions.

WiMAX has a theoretical most vary o 31 miles with an immediate line of sight. Near-line-of-sight (NLOS) conditions will significantly restrict the potential vary. In addition, one of the vital frequencies utilized by means of WiMAX are subject to interference from rainfade. The unlicensed WiMAX frequencies are topic to RF interference from competing technologies and competing WiMAX networks.

WiMAX Specifications
Fixed/Mobile    Fixed
Circuit/Packet:    Packet
Max Bandwidth    70 Mbps
Range    31 miles
Frequency    10-66GHz, 2-11Ghz
Host Network    N/A
Definer    IEEE (Institute of Electrical and Electronic Engineers)

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