A method of operating a network node (BS-1) of a radio access network in Long Term Evolution, LTE, communications, the method comprising: transmitting first control information (PDCCH-1) to a wireless terminal, wherein the first control information defines a frequency resource available for data communication with the wireless terminal over a subframe; after transmitting the first control information, transmitting second control information (sPDCCH-1) to the wireless terminal, wherein the second control information defines a time resource for a sub-sub frame (sPDSCH-1) of the sub frame, the sub-subframe (sPDSCH-1) of the subframe is shorter than the subframe, wherein transmitting the first control information comprises transmitting the first control information using a first control channel of the subframe, wherein transmitting the second control information comprises transmitting the second control information using a second control channel of the subframe, and wherein the second control channel is subsequent to the first control channel in the subframe, such that it is possible to decode the first control channel and the second control channel before the end of the subframe; and providing communication of data between the network node (BS-1) and the wireless terminal (UE-1) during the sub-subframe (sPDSCH-1) of the subframe defined by the frequency resource of the first control information and the time resource of the second control information, wherein the wireless terminal (UE-1) is configured with a first identification and with a second identification different than the first identification, wherein transmitting the first control information (PDCCH-1) comprises transmitting the first control information scrambled with the first identification, and wherein transmitting the second control information (sPDCCH-1) comprises transmitting the second control information scrambled with the second identification. transmitting first control information (PDCCH-1) to a wireless terminal, wherein the first control information defines a frequency resource available for data communication with the wireless terminal over a subframe; after transmitting the first control information, transmitting second control information (sPDCCH-1) to the wireless terminal, wherein the second control information defines a time resource for a sub-sub frame (sPDSCH-1) of the sub frame, the sub-subframe (sPDSCH-1) of the subframe is shorter than the subframe, wherein transmitting the first control information comprises transmitting the first control information using a first control channel of the subframe, wherein transmitting the second control information comprises transmitting the second control information using a second control channel of the subframe, and wherein the second control channel is subsequent to the first control channel in the subframe, such that it is possible to decode the first control channel and the second control channel before the end of the subframe; and providing communication of data between the network node (BS-1) and the wireless terminal (UE-1) during the sub-subframe (sPDSCH-1) of the subframe defined by the frequency resource of the first control information and the time resource of the second control information, wherein the wireless terminal (UE-1) is configured with a first identification and with a second identification different than the first identification, wherein transmitting the first control information (PDCCH-1) comprises transmitting the first control information scrambled with the first identification, and wherein transmitting the second control information (sPDCCH-1) comprises transmitting the second control information scrambled with the second identification.