TDD REPEATER FOR A WIRELESS NETWORK AND METHOD FOR OPERATING SAID REPEATER
First Claim
1. A time-division duplex (TDD) repeater system comprising:
- a master unit configured for communicating with a base station of a wireless network;
at least one remote unit configured for communicating with a terminal device and located away from the master unit;
a waveguide connecting the remote unit with the master unit for transmitting communication signals in an uplink direction and in a downlink direction;
the at least one remote unit including a switch for changing direction between the signal transmission in the uplink direction and the signal transmission in the downlink direction;
the master unit configured for directing downlink signals, including the communication signals in the downlink direction, to the remote unit;
at least a portion of the downlink signals from the master unit to the remote unit acting as a control signal for controlling the direction of the switch in the remote unit between the uplink and downlink directions;
a control unit located in the remote unit, and the remote unit configured for coupling the portion of the downlink signals to the control unit, the control unit configured for processing the downlink signal portion and determining the direction of the repeater system signal transmission, the control unit further configured to generate signals to the remote unit switch to control the switch direction.
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Accused Products
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). Both switches (19, 20) are selected by a synchronizing unit (21) arranged in the master unit (2), the synchronizing unit (21) being designed for determining a clock pulsing from the communication signal fed to the master unit (2)—in particular from the base station (3)—and for supplying a control signal corresponding to this clock pulsing to the switches (19, 20).
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Citations
19 Claims
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1. A time-division duplex (TDD) repeater system comprising:
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a master unit configured for communicating with a base station of a wireless network; at least one remote unit configured for communicating with a terminal device and located away from the master unit; a waveguide connecting the remote unit with the master unit for transmitting communication signals in an uplink direction and in a downlink direction; the at least one remote unit including a switch for changing direction between the signal transmission in the uplink direction and the signal transmission in the downlink direction; the master unit configured for directing downlink signals, including the communication signals in the downlink direction, to the remote unit; at least a portion of the downlink signals from the master unit to the remote unit acting as a control signal for controlling the direction of the switch in the remote unit between the uplink and downlink directions; a control unit located in the remote unit, and the remote unit configured for coupling the portion of the downlink signals to the control unit, the control unit configured for processing the downlink signal portion and determining the direction of the repeater system signal transmission, the control unit further configured to generate signals to the remote unit switch to control the switch direction. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10)
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7. The TDD repeater system of 6 further comprising at least one optical receiver in the remote unit for receiving the downlink signals and converting them to electrical signals to be directed to the control unit.
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11. A method for time-division duplex (TDD) signal repeating comprising:
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receiving communication signals with a master unit from a base station of a wireless network; transmitting the communication signals with a waveguide between the master unit and at least one remote unit including selectively transmitting the communication signals in an uplink direction and in a downlink direction; in the at least one remote unit, using a switch for changing direction between the signal transmission in the uplink direction and the signal transmission in the downlink direction; directing downlink signals from the master unit to the remote unit, the downlink signals including the communication signals with at least a portion of the downlink signals acting as a control signal for controlling the direction of the switch in the remote unit between the uplink and downlink directions; coupling the portion of the downlink signals to a control unit located in the remote unit and processing the downlink signal portion to determine the direction of the repeater system signal transmission; generating signals to the remote unit switch to control the switch direction. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification