Computer implemented methods and computer program products for evaluating radio communications systems
AssigneeActix Limited
InventorJoachim Samuelsson
Life of this patent
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Abstract
A computer implemented method is disclosed, for modeling a frequency assignment for a radio communications system, comprising a plurality of radio transmitters. The method comprises assigning a frequency to one of said plurality of radio transmitters based on a probability of said radio transmitter being assigned a predetermined frequency. Also disclosed are computer implemented methods and computer program products for determining frequency usage probabilities, frequency reuse, expected signal strengths, quality-of-service and station relationships in connection with cell, capacity and frequency planning procedures.
Claims40
A computer implemented method for modelling a frequency assignment for a radio communications system having a plurality of radio transmitters, the method comprising assigning a frequency to one of said plurality of radio transmitters based on a probability of said radio transmitter being assigned a predetermined frequency.
A computer implemented method for modelling frequency usage in a radio communications system having a plurality of stations, each station being with a plurality of radio transmitters, wherein the frequency usage of at least one of said stations is determined based on a probability of one of said plurality of stations using a predetermined frequency, said probability of said station using said predetermined frequency being determined based on the probabilities of said plurality of radio transmitters in said station being assigned said predetermined frequency.
A computer implemented method for determining an expected signal strength of a station at a predetermined location and at a predetermined frequency in a radio communications system, wherein said expected signal strength is determined based on a probability of said station using said predetermined frequency, said probability of said station using said predetermined frequency being determined based on the probabilities of said plurality of radio transmitters in said station being assigned said predetermined frequency.
A computer implemented method for determining a carrier-to-interference ratio at a predetermined frequency and a predetermined location in a radio communications system, wherein an expected signal strength of an interfering station is determined based on a probability of said station using said predetermined frequency, said probability of said station using said predetermined frequency being determined based on the probabilities of said plurality of radio transmitters in said station being assigned said predetermined frequency.
A computer implemented method for modelling frequency reuse in a radio communications system comprising:
- a serving station having a plurality of radio transmitters, and an interfering station having a plurality of radio transmitters, the method comprising determining a frequency reuse probability for said serving station and said interfering station based on:
- probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and
- probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for determining an expected signal strength, at a predetermined location, of an interfering station interfering with a serving station in a radio communications system, wherein said expected signal strength is determined based on a frequency reuse probability, said frequency reuse probability being determined by probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for determining a carrier-to-interference ratio in a radio communications system, wherein that an expected signal strength (eIj) of one interfering station is determined based on a frequency reuse probability, said frequency reuse probability being determined by probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for determining a radio transmitter power level, wherein said radio transmitter power level is determined based an expected signal strength, which is determined based on a frequency reuse probability, said frequency reuse probability being determined by probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for determining a radio transmitter adaptive multirate vocoder rate, wherein said radio transmitter vocoder rate is determined based on an expected signal strength, which is determined based on a frequency reuse probability, said frequency reuse probability being determined by probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for determining a quality-of-service of a radio transmitter in a radio communications system, wherein said quality-of-service is determined based on a probability of said radio transmitter being assigned a predetermined frequency.
A computer implemented method for determining a quality-of-service of a station in a radio communications system, the method comprising determining said quality-of-service based on an average quality-of-service of a plurality of radio transmitters associated with said station, said quality-of-service of one of said plurality of radio transmitters being determined based on a probability of said radio transmitter being assigned a predetermined frequency.
A computer implemented method for providing a station relationship between a serving station and an interfering station, the method comprising:
- determining a frequency reuse probability for said serving station and said interfering station based on:
- probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and
- probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for providing a station relationship between a serving station and an interfering station, wherein said station relationship is determined based on an expected interference from at least one further interfering station.
A computer program product for providing a station relationship between a serving station and an interfering station, said computer program product comprising instructions, which when executed causes a programmable processing device to perform the method of determining a frequency reuse probability for said serving station and said interfering station based on:
- probabilities of said plurality of radio transmitters, associated with said serving station being assigned said predetermined frequency, and
- probabilities of said plurality of radio transmitters, associated with said interfering station being assigned said predetermined frequency.
A computer implemented method for one or more of cell planning, frequency planning and capacity planning in a radio communications system, the method comprising assigning a frequency to one of said plurality of radio transmitters based on a probability of said radio transmitter being assigned a predetermined frequency.
A computer implemented method for one or more of cell planning, frequency planning and capacity planning in a radio communications system, the method comprising determining the frequency usage of at least one of a plurality stations in the communication system is determined based on a probability of one of said plurality of stations using a predetermined frequency, determining said probability of said station using said predetermined frequency based on the probabilities of said plurality of radio transmitters in said station being assigned said predetermined frequency.
A computer implemented method for one or more of cell planning, frequency planning and capacity planning in a radio communications system, the method comprising determining a frequency reuse probability for a serving station of the radio communications system and a interfering station of the radio communications system based on:
- probabilities of a plurality of radio transmitters, associated with said serving station, being assigned a predetermined frequency, and
- probabilities of a plurality of radio transmitters, associated with said interfering station, being assigned said predetermined frequency.
Dependencies are inferred from the claim text.