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Review Papers | Electronics & Communication Engineering | India | Volume 4 Issue 4, April 2015 | Popularity: 6.2 / 10

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A Review of OFDM in Consideration with WIMAX

Mayank Sonii, Mukesh Patidar

Abstract: The WiMAX technology, based on the IEEE 802.16-2004 Air Interface Standard is rapidly proving itself as a technology that will play a key role in fixed broadband wireless metropolitan area networks. The first certification lab, established at Cetecom Labs in Malaga, Spain is fully operational and more than 150 WiMAX trials are underway in Europe, Asia, Africa and North and South America. Unquestionably, Fixed WiMAX, based on the IEEE 802.16-2004 [1] Air Interface Standard, has proven to be a cost-effective fixed wireless alternative to cable and DSL services. In December, 2005 the IEEE ratified the 802.16e amendment [2] to the 802.16 standard. This amendment adds the features and attributes to the standard necessary to support mobility. The WiMAX Forum is now defining system performance and certification profiles based on the IEEE 802.16e Mobile Amendment and, going beyond the air interface, the WiMAX Forum is defining the network architecture necessary for implementing an end-to-end Mobile WiMAX2 network. Release-1 system profiles will be completed in early 2006. This particular paper focuesses on giving an overview of the mobile Wimax technology and LDPC coding typically used to enhance the performance of OFDM systems.

Keywords: OFDM, WiMAX, Physical Layer, QoS, Circular prefix

Edition: Volume 4 Issue 4, April 2015

Pages: 2689 - 2693

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