Degrees of Freedom (DoF) of Locally Connected Interference Channels With Coordinated Multi-Point (CoMP) Transmission

Date Added: May 2012
Format: PDF

As a result of developments in the infrastructure of cellular networks, there has been a recent growing interest in the potential of cooperative transmission techniques where, through a backhaul link, messages can be available at more than one transmitter, i.e., Coordinated Multi-Point (CoMP) transmission. This new development has a proven advantage for mitigating the effect of interfering signals, in particular, for cell-edge users. The number of degrees of freedom (DoF) available for communication in a given channel is defined as the pre-log factor of its sum capacity.