Today’s advanced data services are working on wireless traffic that is boosted with growth in advanced market segments as the migration from fixed to mobile voice continues. The technology that helps to grow the broadband data applications is WiMAX and it is a technology that helps in point-to-multipoint broadband wireless access without any connection.
This WiMAX and Other Technologies Seminar focuses on the technical comparisons between WiMAX and other technologies. It explains ability of the WiMAX to have an efficient service in multipath environment.
The development of broadband applications like email and downloading/uploading files through a laptop computer or PDA has been slow. WiMAX is radio technology that gives two-way Internet access at various megabits per second with ranges of several miles. The technology provides high speeds, but is less expensive to set up so the technology can challenge DSL (Digital Subscriber Line) and cable broadband services. The goal of WiMAX is to provide fixed, nomadic, portable and, mobile wireless broadband connectivity without the help of direct line-of-sight.
WiMAX stands for “Worldwide Interoperability for Microwave Access”. IEEE 802.16 is working group number 16 of IEEE 802 that specializes in point-to-multipoint broadband wireless access. It is also called WiMAX.
WiMAX is a wireless metropolitan area network (MAN) technology. The portable version of WiMAX, IEEE 802.16 utilizes Orthogonal Frequency Division Multiplexing Access (OFDM/OFDMA) in which the spectrum is divided into many sub-carriers. Each sub-carrier uses QPSK or QAM for modulation. The WiMAX specification improves various limitations of the WiFi standard by providing increased bandwidth and stronger encryption. WiFi wireless LAN technology is used in Broadband wireless access (BWA) applications. WiMAX is suitable for both indoor and outdoor BWA.
Hence WiMAX technology for portable/nomadic provides a better performance, interference rejection, multipath tolerance, high data quality of service support, and lower future equipment costs i.e., low chipset complexity, high spectral efficiencies. WiMAX can complement existing and emerging 3G mobile and wireline networks.
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