Ebook Free Download | Introduction to WiMAX Technology | WiMAX stands for Worldwide Interoperability for Microwave Access. WiMAX technology enables ubiquitous delivery of wireless broadband service for fixed and/or mobile users, and became a reality in 2006 when Korea Telecom started the deployment of a 2.3 GHz version of mobile WiMAX service called WiBRO in the Seoul metropolitan area to offer high performance for data and video. In a recent market forecast published in April 2008, WiMAX Forum Subscriber and User Forecast Study, the WiMAX Forum projects a rather aggressive forecast of more than 133 million WiMAX users globally by 2012 (WiMAX Forum, 2008c). The WiMAX Forum also claims that there are more than 250 trials and deployments worldwide.
The WiMAX Forum is an industry-led non-profit organization which, as of the 1st quarter of 2008, has more than 540 member companies including service providers, equipment vendors, chip vendors and content providers. Its primary mission is to ensure interoperability among IEEE 802.16 based products through its certification process.
The air interface of WiMAX technology is based on the IEEE 802.16 standards. In particular, the current Mobile WiMAX technology is mainly based on the IEEE 802.16e amendment (IEEE, 2006a), approved by the IEEE in December 2005, which specifies the Orthogonal Frequency Division Multiple Access (OFDMA) air interface and provides support for mobility.
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