Guixian Xu

3 Questions 7 Answers 0 Followers

Questions related from Guixian Xu

What can I do mu-mimo based on limited CSI feedback question?

I have a technical question about Massive MIMO to discuss with you . If each user feedback their compressed low dimensional channel \hat h. The compress method can employ compress sensing...

12 April 2016 4,590 4 View

How do you study energy efficiency in massive MIMO?

Assume that k RF chains and N antennas, k UEs. Employing BD precoding for MU-MIMO. I want to study EE with antenna selection and power allocation. Is this problem reasonable and do you have any...

05 November 2014 4,772 4 View

Can I use water filling in frequency domain and spatial subchannel use equal allocation in a mutli-user MIMO-OFDMA, subcarrier exclusively to user?

in narrowband MIMO, the optimal power allocation is water filling in min{Nt,Nr} spatial subchannels. and In high SNR regime, equal power allocation will be achieved almost performance of the...

09 October 2014 7,555 2 View