Mobile - Wireless Communications White Papers
A Link Adaptation Algorithm in MIMO-Based WiMAX Systems
Overview In order to extend the coverage of wireless communication to metropolitan scale, the Worldwide Interoperability for Microwave Access (WiMAX) standard was developed and ratified as the IEEE 802.16d standard in June 2004. The standard defines an adaptive modulation framework which allows a WiMAX system to communicate with various burst profiles according to the link quality. The selection mechanism of a suitable burst profile is left open for research. This paper devised a novel link adaptation algorithm with dynamic threshold probing based on an extension of the previous work on a MIMO-based WiMAX systems simulation framework. This algorithm was capable of quickly adapting to channel conditions using PHY layer metrics and MAC layer statistics.
| Publisher | Academy Publisher | File Format | |
|---|---|---|---|
| Date Published | August 2007 | ||
| Format | White Papers | ||
| Topics | |||
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