%0 Journal Article %T Robust Beamforming Design for Ultra-Dense User-Centric C-RAN in the Face of Realistic Pilot Contamination and Limited Feedback %A Pan, Cunhua %A Ren, Hong %A Elkashlan, Maged %A Nallanathan, Arumugam %A Hanzo, Lajos %A , %J IEEE Transactions on Wireless Communications %@ 1536-1276 %D 2019-02-01 %I Institute of Electrical and Electronics Engineers (IEEE) %~ DeepDyve