Interference channel with one cognitive transmitter

This paper investigated the problem of interference channel with one cognitive transmitter (ICOCT) from both the noncausal and causal perspectives. For the noncausal ICOCT, which is also referred to as interference channel with degraded message sets (ICDMS), we proposed a new achievable rate region, which generalizes existing achievable rate regions for IC-DMS and coincides with Marton´s broadcast channel region. For the causal ICOCT, we proposed both inner and outer bounds for the general case, strong interference case and weak interference case. The inner and outer bounds for the Gaussian ICOCT are also considered and evaluated.