A method in a communication device, comprising: receiving a signal over a time division duplex, TDD, communication path via a portion of a first frequency band (504, 524), the first frequency band (504, 524) being disposed between and mutually exclusive of a second frequency band (502, 522) and a third frequency band (506, 526), a frequency division duplex, FDD, uplink being operable in the second frequency band (502, 522), and a FDD downlink being operable in the third frequency band (506, 526), the portion of the first frequency band (504, 524) being immediately adjacent the second frequency band (502, 522), the portion of the first frequency band (504, 524) being separated from the third frequency band (506, 526) by a guard band (516, 536); wherein the guard band (516, 536) is a first guard band, the first guard band being a part of the first frequency band, the signal is a first signal, the portion of the first frequency band is a first portion (510, 530) of the first frequency band (504, 524), wherein the first signal is received over the TDD communication path via the first portion (510, 530) of the first frequency band (504, 524) during a first time period, transmitting a second signal over the TDD communication path via a second portion (512, 532) of the first frequency band (504, 524) during a second time period, the second portion of the first frequency band (504, 524) being adjacent to the third frequency band (506, 526), the second portion (512, 532) of the first frequency band being separated from the second frequency band (502, 522) by a second guard band, the second guard band being a part of the first frequency band; characterized by one of the following: a) the first portion is contiguous with the second frequency band during a first time interval (T U); and the second portion is contiguous with the third frequency band during a second time interval (T D); or b) the first portion is contiguous with the third frequency band during a first time interval (T U); and the second portion is contiguous with the second frequency band during a second time interval (T D). receiving a signal over a time division duplex, TDD, communication path via a portion of a first frequency band (504, 524), the first frequency band (504, 524) being disposed between and mutually exclusive of a second frequency band (502, 522) and a third frequency band (506, 526), a frequency division duplex, FDD, uplink being operable in the second frequency band (502, 522), and a FDD downlink being operable in the third frequency band (506, 526), the portion of the first frequency band (504, 524) being immediately adjacent the second frequency band (502, 522), the portion of the first frequency band (504, 524) being separated from the third frequency band (506, 526) by a guard band (516, 536); wherein the guard band (516, 536) is a first guard band, the first guard band being a part of the first frequency band, the signal is a first signal, the portion of the first frequency band is a first portion (510, 530) of the first frequency band (504, 524), wherein the first signal is received over the TDD communication path via the first portion (510, 530) of the first frequency band (504, 524) during a first time period, transmitting a second signal over the TDD communication path via a second portion (512, 532) of the first frequency band (504, 524) during a second time period, the second portion of the first frequency band (504, 524) being adjacent to the third frequency band (506, 526), the second portion (512, 532) of the first frequency band being separated from the second frequency band (502, 522) by a second guard band, the second guard band being a part of the first frequency band; characterized by one of the following: a) the first portion is contiguous with the second frequency band during a first time interval (T U); and the second portion is contiguous with the third frequency band during a second time interval (T D); or b) the first portion is contiguous with the third frequency band during a first time interval (T U); and the second portion is contiguous with the second frequency band during a second time interval (T D). a) the first portion is contiguous with the second frequency band during a first time interval (T U); and the second portion is contiguous with the third frequency band during a second time interval (T D); or b) the first portion is contiguous with the third frequency band during a first time interval (T U); and the second portion is contiguous with the second frequency band during a second time interval (T D).