Angular CMA: A modified Constant Modulus Algorithm providing steering angle updates


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Blom, Koen C.H. and Burgwal, Marcel D. van de and Rovers, Kenneth C. and Kokkeler, André B.J. and Smit, G.J.M. (2011) Angular CMA: A modified Constant Modulus Algorithm providing steering angle updates. In: Seventh International Conference on Wireless and Mobile Communications, ICWMC 2011, 19-24 June 2011, Luxembourg City, Luxembourg (pp. pp. 42-47).

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Abstract:Conventional blind beamforming algorithms have no direct notion of the physical Direction of Arrival angle of an impinging signal. These blind adaptive algorithms operate by adjusting the complex steering vector in the case of changing signal conditions and directions. This paper presents Angular CMA, a blind beamforming method that calculates steering angle updates (instead of weight vector updates) to keep track of the desired signal. Angular CMA and its respective steering angle updates are particularly useful in the context of mixed-signal hierarchical arrays as means to find and distribute steering parameters. Simulations of Angular CMA show promising convergence behaviour, while having a lower complexity than alternative methods (e.g., MUSIC).
Item Type:Conference or Workshop Item
Copyright:© 2011 ThinkMind
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/78014
Official URL:http://www.thinkmind.org/index.php?view=article&articleid=icwmc_2011_2_40_20146
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