A first-transceiver for use in an antenna diversity scheme, the first-transceiver comprising: a first-time/clock-generation-unit; a first-receiver, configured to receive a wireless second-alignment-signal from a second-transceiver with a second-time/clock-generation-unit, wherein the wireless second-alignment-signal is representative of a state of the second-time/clock-generation-unit; and a first-transmitter; wherein: the first-transceiver is configured to set the first-time/clock-generation-unit, based on the wireless second-alignment-signal, to reduce an alignment-error between the first-time/clock-generation-unit and the second-time/clock-generation-unit; the first-transmitter is configured to transmit a wireless first-transmission-signal, in accordance with the first-time/clock-generation-unit, as part of the antenna diversity scheme, wherein: the first-transmission-signal corresponds to a second-transmission-signal that is transmitted by the second-transceiver; and the antenna diversity scheme comprises aligned transmission of both the first-transmission-signal and the second-transmission-signal to a remote receiver; and the first-transmitter is configured to transmit a wireless first-alignment-signal to the second-transceiver, representative of a state of the first-time/clock-generation-unit, for reducing an alignment-error between the second-time/clock-generation-unit and the first-time/clock-generation-unit, wherein the first-alignment-signal and the second-alignment-signal each comprise a respective frame transmission of a block of data configured for transmission to the remote receiver. a first-time/clock-generation-unit; a first-receiver, configured to receive a wireless second-alignment-signal from a second-transceiver with a second-time/clock-generation-unit, wherein the wireless second-alignment-signal is representative of a state of the second-time/clock-generation-unit; and a first-transmitter; wherein: the first-transceiver is configured to set the first-time/clock-generation-unit, based on the wireless second-alignment-signal, to reduce an alignment-error between the first-time/clock-generation-unit and the second-time/clock-generation-unit; the first-transmitter is configured to transmit a wireless first-transmission-signal, in accordance with the first-time/clock-generation-unit, as part of the antenna diversity scheme, wherein: the first-transmission-signal corresponds to a second-transmission-signal that is transmitted by the second-transceiver; and the antenna diversity scheme comprises aligned transmission of both the first-transmission-signal and the second-transmission-signal to a remote receiver; and the first-transmitter is configured to transmit a wireless first-alignment-signal to the second-transceiver, representative of a state of the first-time/clock-generation-unit, for reducing an alignment-error between the second-time/clock-generation-unit and the first-time/clock-generation-unit, the first-transceiver is configured to set the first-time/clock-generation-unit, based on the wireless second-alignment-signal, to reduce an alignment-error between the first-time/clock-generation-unit and the second-time/clock-generation-unit; the first-transmitter is configured to transmit a wireless first-transmission-signal, in accordance with the first-time/clock-generation-unit, as part of the antenna diversity scheme, wherein: the first-transmission-signal corresponds to a second-transmission-signal that is transmitted by the second-transceiver; and the antenna diversity scheme comprises aligned transmission of both the first-transmission-signal and the second-transmission-signal to a remote receiver; and the first-transmission-signal corresponds to a second-transmission-signal that is transmitted by the second-transceiver; and the antenna diversity scheme comprises aligned transmission of both the first-transmission-signal and the second-transmission-signal to a remote receiver; and the first-transmitter is configured to transmit a wireless first-alignment-signal to the second-transceiver, representative of a state of the first-time/clock-generation-unit, for reducing an alignment-error between the second-time/clock-generation-unit and the first-time/clock-generation-unit, wherein the first-alignment-signal and the second-alignment-signal each comprise a respective frame transmission of a block of data configured for transmission to the remote receiver.