Section: 5.11 Handling of unknown, unforeseen and erroneous protocol data
Content: When a MAC entity receives a MAC PDU for the MAC entity's C-RNTI or Semi-Persistent Scheduling C-RNTI, or by the configured downlink assignment, containing reserved or invalid values, the MAC entity shall: - discard the received PDU. When a MAC entity receives a MAC PDU on MCH containing reserved values, or on DL-SCH containing reserved values for G-RNTI or SC-RNTI, or on SL-SCH, the MAC entity shall: - ignore the MAC PDU subheaders containing reserved values and the corresponding MAC SDUs; - in the MAC control elements, ignore the fields containing reserved values and the fields associated with the fields containing reserved values.