… relay power constraints. We show that the total power constraint leads to a closed-form solution
while the individual relay … as the uncertainty in the channel state information is increased, …

… channels. Specifically, two users communicate with the base station simultaneously with
existence of a half-duplex relay … decided based on the statistical channel state information (CSI) …

… Kronecker Rician fading channels are considered. Statistical channel state information is used
… The source and relay precoders are optimized to maximize a closed-form upper bound of …

… into those that rely on channel state information (CSI) availability at the relays [7], [8], […
channel uncertainty, ie, that rely only on the statistics of the CSI, such as the covariance of channel …

… The relay remains silent during the source transmission and … to any statistical or instantaneous
channel state information (CSI)… in a MIMO relay network when the relay node experiences …

… The works presented in [12], [13] are two closely related studies of the problem of largest
eigenmode transmission in relay networks. A concise comparison of their system models with …

… algorithms for relay networks require global channel state information (CSI) at relay nodes
and … However, for the traditional 2nd order statistics based algorithm, we assume that the links …

… statistics of the “downlink” channels back to the relays. Since the first-order and second-order
statistics … B, the destination does not need to send any feedback information to the relays. …

… instantaneous or second order statistics of the channel) available in the network is assumed
to … for relay networks based on second-order statistics of the channel state information,” IEEE …

… of a half-duplex relay under either the decode-and… statistical channel state information (CSI)
rather than perfect CSI. They derive the ergodic rate regions under Rayleigh fading channels …