Functionality test in a base transceiver station
First Claim
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1. A functionality test method in a base station of a radio system, the method comprising:
- forming, in a transmitter of a base station, a test signal portion on at least one transmission traffic frequency included in a transmission signal band containing several traffic frequencies;
shifting the formed test signal portion onto at least one receiving traffic frequency included in a receiving frequency band containing several traffic frequencies, the transmission traffic frequency being different from the receiving traffic frequency, where a separation between the receiving frequency and the transmission frequency differs from a frequency duplex used in the radio system, andtransporting the frequency-shifted test signal portion to a receiver of the base station.
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Abstract
A base station in a radio system includes a transmitter that forms a signal to be transmitted by a transmission antenna of the base station, a mechanism forming a portion of the signal to be transmitted in a transmission frequency, a mechanism shifting the formed signal portion into a receiving frequency, where the separation between the receiving frequency and the transmission frequency differs from a frequency duplex used in the radio system, and a mechanism receiving the frequency-shifted signal portion.
13 Citations
35 Claims
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1. A functionality test method in a base station of a radio system, the method comprising:
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forming, in a transmitter of a base station, a test signal portion on at least one transmission traffic frequency included in a transmission signal band containing several traffic frequencies; shifting the formed test signal portion onto at least one receiving traffic frequency included in a receiving frequency band containing several traffic frequencies, the transmission traffic frequency being different from the receiving traffic frequency, where a separation between the receiving frequency and the transmission frequency differs from a frequency duplex used in the radio system, and transporting the frequency-shifted test signal portion to a receiver of the base station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A functionality test method in a base station of a radio system, the method comprising:
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forming, in a transmitter of a base station, a test signal portion on at least one transmission frequency; shifting the formed test signal portion onto at least one receiving frequency, where a separation between the receiving frequency and the transmission frequency differs from a frequency duplex used in the radio system, transporting the frequency-shifted test signal portion to a receiver of the base station, measuring a value of a quality parameter indicating quality of the received signal; comparing the measured value of the quality parameter with a predetermined threshold value of the quality parameter; transporting a test signal portion through equipment units in the transmitter and the receiver, and bypassing one or more equipment units in the transmitter or the receiver, if the value of the quality parameter is under the predetermined threshold value; and repeating the transporting of the test signal portion by altering the one or more equipment unit that are bypassed until the value of the quality parameter exceeds the predetermined threshold value. - View Dependent Claims (18)
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19. A base station in a radio system, comprising:
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at least one transmitter for forming a signal to be transmitted by a transmission antenna of the base station; means for forming a test signal portion of at least one signal formed by the at least one transmitter to be transmitted on a transmission traffic frequency included in a transmission signal band containing several traffic frequencies; means for shifting the formed test signal portion onto at least one receiving traffic frequency included in a receiving frequency band containing several traffic frequencies, the transmission traffic frequency being different from the receiving traffic frequency, where the separation between the receiving frequency and the transmission frequency differs from the frequency duplex used in the radio system, and means for receiving the frequency-shifted test signal portion. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A base station in a radio system, comprising:
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at least one transmitter for forming a signal to be transmitted by a transmission antenna of the base station; means for forming a test signal portion of at least one signal formed by the at least one transmitter to be transmitted on a transmission frequency; means for shifting the formed test signal portion onto at least one receiving frequency, where a separation between a receiving frequency and a transmission frequency differs from a frequency duplex used in the radio system, means for receiving the frequency-shifted test signal portion; means for measuring a value of a quality parameter indicating quality of a received signal; means for comparing the measured value of the quality parameter with a predetermined threshold value of the quality parameter; means for transporting a test signal portion through equipment units in the transmitter and the receiver, and bypassing one or more equipment units in the transmitter or the receiver, if the value of the quality parameter is under the predetermined threshold value; and means for repeating the transporting of the test signal portion by altering the one or more equipment units, which are bypassed until the value of the quality parameter exceeds the predetermined threshold value. - View Dependent Claims (34)
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35. An article of manufacture for testing functionality in a base station of a radio system, the article of manufacture comprising a machine readable medium containing one or more programs which when executed implement the steps of:
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forming, in a transmitter of a base station, a test signal portion on at least one transmission traffic frequency included in a transmission signal band containing several traffic frequencies; shifting the formed test signal portion onto at least one receiving traffic frequency, included in a receiving frequency band containing several traffic frequencies, the transmission traffic frequency being different from the receiving traffic frequency, where a separation between the receiving frequency and a transmission frequency differs from a frequency duplex used in the radio system, and transporting the frequency-shifted test signal portion to a receiver of the base station.
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Specification