17- https://doi.org/10.1109/wcl.2012.070512.120335
MIMO Channel Capacity with Full CSI at Low SNR
- Oct 1, 2012
- IEEE Wireless Communications Letters
- Abdoulaye Tall +2 more
Abstract
In this paper, we characterize the ergodic capacity of Multiple Input Multiple Output (MIMO) Rayleigh fading channels with full channel state information (CSI) at both the transmitter (CSI-T) and the receiver (CSI-R) at asymptotically low signal-to-noise ratio (SNR). A simple analytical expression of the capacity is derived for any number of transmit and receive antennas. This characterization clearly shows the substantial gain in terms of capacity over the no CSI-T case and gives a good insight on the effect of the number of antennas used. In addition, an On-Off transmission scheme is proposed and is shown to be asymptotically capacity-achieving.
- # Multiple Input Multiple Output Channel Capacity
- # On-Off Transmission Scheme
- # Multiple Input Multiple Output
- # Channel State Information
- # Full Channel State Information
- # Low Signal-to-noise Ratio
- # Signal-to-noise Ratio
- # Rayleigh Fading Channels
- # Good Insight
- # Capacity Of Output
