A method of performing a handover in a Long Term Evolution, LTE, wireless communication system, the method being performed by a Target evolved NodeB, TeNB, and comprising: receiving (S205; S712) from a Source evolved Node-B, SeNB, a handover request message requesting handover of a User Equipment, UE, from said SeNB to said TeNB, wherein the handover request message includes a Cell Radio Network Temporary Identifier of said UE and Time Division Multiplexing, TDM, information for said UE, wherein TDM information is information which includes one or more of: TDM activation information including a flag indicating that TDM between LTE and another wireless communication system different from LTE is to be applied by the TeNB according to a TDM pattern for avoidance of In-Device Coexistence, IDC, interference, wherein IDC interference is interference occurring in the UE when the UE performs transmission/reception over both LTE and said another wireless communication system; and TDM pattern information defining the TDM pattern to be applied; and transmitting (S210; S714) a handover admission OK message to the SeNB, wherein said handover admission OK message includes information about a random access preamble being allocated by said TeNB to said UE in response to said handover request message, wherein said handover admission OK message instructs said SeNB to transmit a Radio Resource Control, RRC, connection reconfiguration message for the handover to the UE, said RRC connection reconfiguration message including said TDM information; and receiving (S230, S810) a random access preamble over LTE and identifying whether the received random access preamble is identical to the allocated random access preamble; and recognizing, if said received random access preamble is identical to the random access preamble being allocated to the UE, that the random access preamble is received from said UE; and transmitting (S240, S830) an access grant message to the UE, over LTE, wherein said access grant message is a random access response message transmitted in response to said random access preamble, wherein said access grant message is transmitted in a subframe according to the TDM information for said UE; and receiving (S250, S850) from the UE in response to said access grant message an RRC connection reconfiguration complete message over LTE, said message being received in a subframe according to the TDM information for the UE. receiving (S205; S712) from a Source evolved Node-B, SeNB, a handover request message requesting handover of a User Equipment, UE, from said SeNB to said TeNB, wherein the handover request message includes a Cell Radio Network Temporary Identifier of said UE and Time Division Multiplexing, TDM, information for said UE, wherein TDM information is information which includes one or more of: TDM activation information including a flag indicating that TDM between LTE and another wireless communication system different from LTE is to be applied by the TeNB according to a TDM pattern for avoidance of In-Device Coexistence, IDC, interference, wherein IDC interference is interference occurring in the UE when the UE performs transmission/reception over both LTE and said another wireless communication system; and TDM pattern information defining the TDM pattern to be applied; and TDM activation information including a flag indicating that TDM between LTE and another wireless communication system different from LTE is to be applied by the TeNB according to a TDM pattern for avoidance of In-Device Coexistence, IDC, interference, wherein IDC interference is interference occurring in the UE when the UE performs transmission/reception over both LTE and said another wireless communication system; and TDM pattern information defining the TDM pattern to be applied; and transmitting (S210; S714) a handover admission OK message to the SeNB, wherein said handover admission OK message includes information about a random access preamble being allocated by said TeNB to said UE in response to said handover request message, wherein said handover admission OK message instructs said SeNB to transmit a Radio Resource Control, RRC, connection reconfiguration message for the handover to the UE, said RRC connection reconfiguration message including said TDM information; and receiving (S230, S810) a random access preamble over LTE and identifying whether the received random access preamble is identical to the allocated random access preamble; and recognizing, if said received random access preamble is identical to the random access preamble being allocated to the UE, that the random access preamble is received from said UE; and transmitting (S240, S830) an access grant message to the UE, over LTE, wherein said access grant message is a random access response message transmitted in response to said random access preamble, wherein said access grant message is transmitted in a subframe according to the TDM information for said UE; and receiving (S250, S850) from the UE in response to said access grant message an RRC connection reconfiguration complete message over LTE, said message being received in a subframe according to the TDM information for the UE.