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US 12,592,810 B2Granted
Time division duplex (TDD) network repeater
AssigneeWilson Electronics, LLC
InventorsChristopher Ken Ashworth, Dale Robert Anderson
Life of this patent
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Abstract
A technology is described for a time division duplex (TDD) repeater with circulators. The TDD repeater can comprise a first port, a second port, a first circulator, a second circulator, and first and second amplification paths coupled between the first circulator and first port and the second circulator and second port. The TDD repeater can comprise a software defined filter (SDF) on each of the first and second amplification paths to filter selected symbols of TDD signals on the first and second amplification paths.
Claims35
A time division duplex (TDD) repeater comprising:
- a first port;
- a first circulator having a first circulator port communicatively coupled to the first port;
- a second port;
- a second circulator having a first circulator port communicatively coupled to the second port;
- a first amplification and filtering path coupled between a second circulator port of the first circulator and a fourth circulator port of the second circulator;
- a first software defined filter (SDF) in the first amplification and filtering path, the first SDF configured to filter at least a first TDD uplink (UL) signal of a first TDD frequency range within a TDD band and output the first TDD UL signal with a predetermined gain;
- a second amplification and filtering path coupled between a second circulator port of the second circulator and a fourth circulator port of the first circulator;
- and
- a second SDF in the second amplification and filtering path, the second SDF configured to filter at least a first TDD downlink (DL) signal in the first TDD frequency range,
- wherein the first circulator, the second circulator, the first SDF, and the second SDF allow simultaneous transmission of the first TDD UL signal and the first TDD DL signal.
7 more elements
A time division duplex (TDD) repeater comprising:
- a first port;
- a first circulator having a first circulator port communicatively coupled to the first port;
- a second port;
- a second circulator having a first circulator port communicatively coupled to the second port;
- a first amplification and filtering path coupled between a second circulator port of the first circulator and a fourth circulator port of the second circulator;
- a first software defined filter (SDF) in the first amplification and filtering path, the first SDF configured to filter at least a first TDD uplink (UL) signal of a first TDD frequency range within a TDD band and output the first TDD UL signal with a predetermined gain;
- a second amplification and filtering path coupled between a second circulator port of the second circulator and a fourth circulator port of the first circulator;
- and
- a second SDF in the second amplification and filtering path, the second SDF configured to filter at least a first TDD downlink (DL) signal in the first TDD frequency range,
- wherein the first SDF, the second SDF, the first circulator, and the second circulator provide sufficient crossover isolation to enable a loop crossover isolation of the TDD repeater to be greater than a total loop gain of the repeater.
7 more elements
A time division duplex (TDD) repeater comprising:
- a first port;
- a first circulator having a first circulator port communicatively coupled to the first port;
- a second port;
- a second circulator having a first circulator port communicatively coupled to the second port;
- a first amplification and filtering path coupled between a second circulator port of the first circulator and a fourth circulator port of the second circulator;
- a first software defined filter (SDF) in the first amplification and filtering path, the first SDF configured to filter:
- at least a first TDD uplink (UL) signal of a first TDD frequency range within a TDD band and output the first TDD UL signal with a predetermined gain;
- and
- at least a second TDD UL signal of a second TDD frequency range within the TDD band and output the second TDD UL signal with a predetermined gain;
- a second amplification and filtering path coupled between a second circulator port of the second circulator and a fourth circulator port of the first circulator;
- and
- a second SDF in the second amplification and filtering path, the second SDF configured to filter:
- at least a first TDD downlink (DL) signal in the first TDD frequency range;
- and
- a second TDD DL signal of the second TDD frequency range within the TDD band and output the second TDD DL signal with a predetermined gain;
- and
- wherein the first circulator, the second circulator, the first SDF, and the second SDF allow simultaneous transmission of the first TDD UL signal and the first TDD DL signal and the second TDD UL signal and the second TDD DL signal.
14 more elements
Dependencies are inferred from the claim text.