Abstract

In this paper, we evaluate the system level perfor- mance of a spatial multiplexing with per common basis rate control (PCBRC) in which the active bases are selected at the receiver from the common unitary basis set known at both receiving and transmitting ends, conveyed to the transmitter using limited feedback, and assembled into a precoding matrix at the transmitter. System level capacity evaluation using spatial channel model (SCM) shows that the proposed PCBRC out- performs multi-mode antenna selection and precoder codebook design methods even with the same or lower feedback rate.

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