An apparatus configured for wireless communication, in a long-term evolution, LTE, network, utilizing a time-division Duplex, TDD, carrier comprising a plurality of TDD subframes (501; 551; 701; 751; 801; 851), the apparatus comprising: a transceiver; a memory; and at least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor is configured to: utilize the transceiver to receive signaling comprising information configured to indicate whether to adjust a structure of a TDD subframe (501; 551; 701; 751; 801; 851), wherein a TDD subframe (501; 551; 701; 751; 801; 851) is a subframe providing communication in both uplink and downlink directions; if the information indicates adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851), adjust the structure of the TDD subframe (501; 551; 701; 751; 801; 851) in response to receiving the signaling; characterized in that the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time or subcarrier allocated for one or more reference signals communicated in the TDD subframe (501; 551; 701; 751; 801; 851); wherein the one or more reference signals comprise at least one of a user equipment, UE,-specific reference signal, UERS, a channel state information-reference signal, CSI-RS, or a sounding reference signal, SRS; and wherein the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time at which the one or more reference signals are communicated to be aligned with a time at which a demodulation reference signal, DMRS, of another TDD subframe (501; 551; 701; 751; 801; 851) is communicated by another apparatus. a transceiver; a memory; and at least one processor communicatively coupled to the transceiver and the memory, wherein the at least one processor is configured to: utilize the transceiver to receive signaling comprising information configured to indicate whether to adjust a structure of a TDD subframe (501; 551; 701; 751; 801; 851), wherein a TDD subframe (501; 551; 701; 751; 801; 851) is a subframe providing communication in both uplink and downlink directions; if the information indicates adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851), adjust the structure of the TDD subframe (501; 551; 701; 751; 801; 851) in response to receiving the signaling; characterized in that the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time or subcarrier allocated for one or more reference signals communicated in the TDD subframe (501; 551; 701; 751; 801; 851); wherein the one or more reference signals comprise at least one of a user equipment, UE,-specific reference signal, UERS, a channel state information-reference signal, CSI-RS, or a sounding reference signal, SRS; and wherein the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time at which the one or more reference signals are communicated to be aligned with a time at which a demodulation reference signal, DMRS, of another TDD subframe (501; 551; 701; 751; 801; 851) is communicated by another apparatus. utilize the transceiver to receive signaling comprising information configured to indicate whether to adjust a structure of a TDD subframe (501; 551; 701; 751; 801; 851), wherein a TDD subframe (501; 551; 701; 751; 801; 851) is a subframe providing communication in both uplink and downlink directions; if the information indicates adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851), adjust the structure of the TDD subframe (501; 551; 701; 751; 801; 851) in response to receiving the signaling; characterized in that the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time or subcarrier allocated for one or more reference signals communicated in the TDD subframe (501; 551; 701; 751; 801; 851); wherein the one or more reference signals comprise at least one of a user equipment, UE,-specific reference signal, UERS, a channel state information-reference signal, CSI-RS, or a sounding reference signal, SRS; and wherein the adjusting the structure of the TDD subframe (501; 551; 701; 751; 801; 851) comprises adjusting a time at which the one or more reference signals are communicated to be aligned with a time at which a demodulation reference signal, DMRS, of another TDD subframe (501; 551; 701; 751; 801; 851) is communicated by another apparatus.