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Super-resolution broad null beamforming for cochannel interference cancellation in mobile radio networks

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2 Author(s)
Karaminas, P.D. ; Dept. of Electr. & Electron. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK ; Manikas, A.

An innovative beamforming-type approach for suppressing cochannel interference in mobile radio networks is introduced. This approach combines a super-resolution direction and power profile finding algorithm, together with a signal subspace-type broad null beamformer which can steer both sharp and controlled broad nulls in the appropriate directions. The latter property makes the beamformer ideal for mobile communication systems where the angular spread of the incoming rays from a cochannel interfering mobile station is often too large to be eliminated by a sharp null, resulting in a significant degradation in the performance of a conventional system

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Vehicular Technology, IEEE Transactions on  (Volume:49 ,  Issue: 3 )