Antenna array including virtual antenna elements

Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array

Reexamination Certificate

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Reexamination Certificate

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07411547

ABSTRACT:
A method and associated system for effectively increasing the number of antenna elements within a multi-element antenna system through computation of a response of “virtual” antenna elements located along an antenna array. The physical elements of the array are positioned sufficiently near each other to enable synthesis of a polynomial or other mathematical expression characterizing the response of the array to receipt of an incident waveform. Values of the responses associated with the virtual antenna elements of the array may then be determined through evaluation of the synthesized polynomial or other expression. The resultant array response values associated with the virtual and physical elements of the array are then provided to an associated receiver for processing.

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Definition of “each”, Merriam-Webster Online Dictionary, http://www.merriam-webster.com/dictionary/each.
C.-H. Lim et al., Channel capacity enhancement using virtual array elements in smart antenna systems, IEEE International Conference on Communications, vol. 1, p. 155-159, May 2002.

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