Measuring interference in radio networks
First Claim
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1. A method comprising:
- determining a first measurement of a first signal power in a radio receiver configured to receive data traffic in a sector of a radio access network when the radio receiver is receiving energy from an antenna that is receiving the data traffic;
determining a second measurement of a second signal power in the radio receiver when the radio receiver is not receiving energy from the antenna;
determining a load in the sector based on comparing the first and second measurements, anddynamically adjusting a gain of the radio receiver using variable gain circuitry, the first radio receiver comprising the variable gain circuitry.
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Abstract
In a radio access network (e.g., a cellular network), a radio receiver is configured with a switch that alternatively couples an antenna and an impedance-matched load to the remainder of the receiver. Sector load, e.g., rise-over-thermal (ROT), is monitored by comparing a first measurement of signal power in a radio receiver (e.g., signal power output by the receiver) when the radio receiver is coupled to an antenna receiving the data traffic with a second measurement of signal power in the radio receiver when the radio receiver is de-coupled from the antenna.
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Citations
31 Claims
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1. A method comprising:
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determining a first measurement of a first signal power in a radio receiver configured to receive data traffic in a sector of a radio access network when the radio receiver is receiving energy from an antenna that is receiving the data traffic; determining a second measurement of a second signal power in the radio receiver when the radio receiver is not receiving energy from the antenna; determining a load in the sector based on comparing the first and second measurements, and dynamically adjusting a gain of the radio receiver using variable gain circuitry, the first radio receiver comprising the variable gain circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of monitoring a load in a sector of a radio access network, the radio access network comprising a radio node, the radio node comprising multiple receivers and corresponding respective multiple antennas configured to receive data traffic in the sector, the method comprising:
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de-coupling a first receiver of the multiple receivers from a first antenna of the corresponding respective multiple antennas; maintaining at least one other receiver of the multiple receivers coupled to at least one other corresponding respective antenna of the corresponding respective multiple antennas while the first receiver is de-coupled from the first antenna; determining a first measurement of a first signal power in the first receiver when the first receiver is de-coupled from the first antenna; and determining a second measurement of a second signal power in a receiver of the multiple receivers when the receiver is coupled to its corresponding respective antenna; and determining the load in the sector based on comparing the first and second measurements. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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Specification