Abstract: An interface module for a unit designed to transmit and/or amplify communication signals inside an antenna distribution system includes a first analog interface for forwarding and receiving communication signals from mobile terminals and a second interface for forwarding and receiving communication signals from the antenna distribution system. A signal path forwards the received communication signals between the first and second interfaces. A controllable digital unit in the signal path is configured for digitizing incoming communication signals to digital signals and converting outgoing communication signals to analog signals. The digital unit is configured to evaluate characteristic signal parameters of the digital communication signals and select a subset of signals from the digital communication signals. The controllable digital unit is further configured for forwarding the selected subset of signals.

Abstract: A repeater (1) particularly suitable for a time-division duplex transmission of communication signals is provided. The repeater (1) comprises a master unit (2) for communicating with a base station (3) of a wireless network, at least one remote unit (4) for communicating with a network terminal, as well as a waveguide (11) connecting the remote unit (4) with the master unit (2) for transmitting the communication signals in an uplink direction (6) from the remote unit (4) to the master unit (2) and in a downlink direction (5) from the master unit (2) to the remote unit (4). Both the master unit (2) and the remote unit (4) comprise one switch (19, 20) each for changing over the signal transmission between uplink direction (6) and downlink direction (5).

Abstract: A repeater (1) particularly suitable for a time-division duplex transmission of communication signals is provided. The repeater (1) comprises a master unit (2) for communicating with a base station (3) of a wireless network, at least one remote unit (4) for communicating with a network terminal, as well as a waveguide (11) connecting the remote unit (4) with the master unit (2) for transmitting the communication signals in an uplink direction (6) from the remote unit (4) to the master unit (2) and in a downlink direction (5) from the master unit (2) to the remote unit (4). Both the master unit (2) and the remote unit (4) comprise one switch (19, 20) each for changing over the signal transmission between uplink direction (6) and downlink direction (5).

Abstract: An interface module for a unit designed to transmit and/or amplify communication signals inside an antenna distribution system includes a first analog interface for forwarding and receiving communication signals from mobile terminals and a second interface for forwarding and receiving communication signals from the antenna distribution system. A signal path forwards the received communication signals between the first and second interfaces. A controllable digital unit in the signal path is configured for digitizing incoming communication signals to digital signals and converting outgoing communication signals to analog signals. The digital unit is configured to evaluate characteristic signal parameters of the digital communication signals and select a subset of signals from the digital communication signals. The controllable digital unit is further configured for forwarding the selected subset of signals.

Abstract: An interface module (4) for a unit (1, 2) which is designed to transmit and/or amplify essential communication signals inside an antenna distribution system (29) is specified, said module comprising a first analog interface (6) for forwarding and receiving essential communication signals from mobile terminals (32), a second interface (7) for forwarding and receiving essential communication signals from the antenna distribution system (29), at least one signal path (9, 10) for forwarding the received communication signals between the two interfaces (6, 7), and a controllable digital unit (11) which incorporates the signal path (9, 10) and has means for digitizing incoming communication signals and for subjecting outgoing communication signals to analog conversion. In this case, the digital unit (11) is designed to identify essential communication signals in the digitized communication signals, to mask the remaining signals and to forward the essential communication signals.

Abstract: A multiple input multiple output (MIMO) signal is retransmitted using a single input single output (SISO) repeater, which includes Rayleigh channel simulators associated with each separate MIMO channel. Before being combined and transmitted over a single channel, the transmission undergoes simulated Rayleigh fading. The signal is then retransmitted to be received by a MIMO-equipped receiver.

Abstract: An interface module (4) for a unit (1, 2) which is designed to transmit and/or amplify essential communication signals inside an antenna distribution system (29) is specified, said module comprising a first analog interface (6) for forwarding and receiving essential communication signals from mobile terminals (32), a second interface (7) for forwarding and receiving essential communication signals from the antenna distribution system (29), at least one signal path (9, 10) for forwarding the received communication signals between the two interfaces (6, 7), and a controllable digital unit (11) which incorporates the signal path (9, 10) and has means for digitizing incoming communication signals and for subjecting outgoing communication signals to analog conversion. In this case, the digital unit (11) is designed to identify essential communication signals in the digitized communication signals, to mask the remaining signals and to forward the essential communication signals.