... modified version of PU2RC for multiple antennausers, zero-forcing beamforming (ZF-BF) using channelvector quantization (CVQ) [18, 37, 38], spatial multiplex-ing with zero-forcing receiver processing, ... partial side information,” IEEE Transactions onInformation Theory, vol. 51, no. 2, pp. 506–522, 2005.[35] M. Sharif and B. Hassibi, “A comparison of time-sharing,DPC, and beamforming for MIMO broadcast ... more simplified expressions (for case M= L)havebeengivenforσrk,3and μrk,3.(iv) ZF receiver processing scheme using partial sideinformation.TheaveragesumrateforthisschemeisobtainedasRAve=...