Improved ACK/NACK DTX detection for LTE

In a first aspect of the invention there is a method, apparatus, and executable software product for receiving scheduling information, determining that at least one downlink allocation of the scheduling information was not received, sending a reply to the received scheduling that comprises an indication of discontinuous transmission in response to the determining. In another aspect of the invention there is a method and an apparatus to send scheduling information, and receive a reply to the scheduling information comprising an indication of discontinuous transmission that at least one downlink allocation of the scheduling information was not received.