Methodology to analyze sector capacity in data-only mobile-wireless network
First Claim
1. A method of time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the base station serving one or more wireless mobile stations, the method comprising steps of:
- collecting data regarding transmission of data over the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including;
(i) total transmitted data for each interval,(ii) a measure of total time taken during each interval to transmit the data, and(iii) average number of users being sent data over the air-link resource during each interval;
performing a first linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals;
performing a second linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the average number of users, for the plurality of time intervals;
performing a third linear regression on data points relating to the logarithm of the average number of users versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals; and
processing a result of the linear regressions to determine one or more operational characteristics relating to capacity of the air-link resource of the base station.
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Abstract
Infrastructure network service measurements of time needed to complete data transfers are used to determine the capacity of a technology sector of a wireless packet data communication base station, such as a 1xEV-DO sector, using infrastructure network service measurements. The process, for example, may predict when the radio-frequency link between wireless data subscribers and a wireless base station becomes sufficiently congested that each user experiences reduced data speeds. The determination of capacity can be made down to the sector-carrier (a single carrier within a base station sector) level. The prediction can be cast in terms of time, which allows network service providers to plan the growth of their base stations to meet subscriber needs.
33 Citations
20 Claims
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1. A method of time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the base station serving one or more wireless mobile stations, the method comprising steps of:
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collecting data regarding transmission of data over the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including; (i) total transmitted data for each interval, (ii) a measure of total time taken during each interval to transmit the data, and (iii) average number of users being sent data over the air-link resource during each interval; performing a first linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals; performing a second linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the average number of users, for the plurality of time intervals; performing a third linear regression on data points relating to the logarithm of the average number of users versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals; and processing a result of the linear regressions to determine one or more operational characteristics relating to capacity of the air-link resource of the base station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A product comprising a machine readable storage media and executable program embodied in the storage media, wherein when executed by a programmable computer, the program causes a computer to perform a sequence of steps for providing a time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the a base station serving one or more wireless mobile stations, the sequence of steps comprising:
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collecting data regarding transmission of data over of the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including; (i) total transmitted data for each interval, (ii) a measure of total time taken during each interval to transmit the data, and (iii) average number of users being sent data over the air-link resource during each interval; performing a first linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals; performing a second linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the average number of users, for the plurality of time intervals; performing a third linear regression on data points relating to the logarithm of the average number of users versus the logarithm of the measure of total time taken during each interval to transmit the data, for the plurality of time intervals; and processing a result the linear regressions to determine one or more operational characteristics relating to capacity of the air-link resource of the base station.
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11. A method of time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the base station serving one or more wireless mobile stations, the method comprising steps of:
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collecting data regarding transmission of data over of the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including; (i) total transmitted data for each interval, (ii) a measure of total time taken during each interval to transmit the data, and (iii) average number of users being sent data over the air-link resource during each interval; performing a linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the measure of total time taken during each interval to transmit data, for the plurality of time intervals; determining a value of throughput for data transmission using the resource, from the linear regression; determining a maximum number of users the resource can support from the value of throughput; determining a current number of users supported by the resource; and determining a growth factor based on the maximum number of users and the current number of users. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A product comprising a machine readable storage media and executable program embodied in the storage media, wherein when executed by a programmable computer, the program causes a computer to perform a sequence of steps for providing a time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the a base station serving one or more wireless mobile stations, the sequence of steps comprising:
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collecting data regarding transmission of data over of the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including; (i) total transmitted data for each interval, (ii) a measure of total time taken during each interval to transmit the data, and (iii) average number of users being sent data over the air-link resource during each interval; performing a linear regression on data points relating to the logarithm of the total transmitted data for each interval versus the logarithm of the measure of total time taken during each interval to transmit data, for the plurality of time intervals; determining an average throughput for data transmission using the resource from the slope of the linear regression; determining a maximum number of users the resource can support from the average throughput; determining a current number of users supported by the resource; and determining a growth factor based on the maximum number of users and the current number of users.
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20. A machine for time-trending analysis of capacity of an air-link resource of a base station in a data-only mobile wireless communication network, the base station serving one or more wireless mobile stations, the machine comprising:
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a programmable processor; a storage medium coupled to the processor; and an executable program stored by the medium, wherein execution to the program by the processor causes the processor to implement a sequence of steps comprising; collecting data regarding transmission of data over of the air-link resource of the base station to the one or more mobile stations during a plurality of time intervals, the collected data including; (i) total transmitted data for each interval, (ii) a measure of total time taken during each interval to transmit the data, and (iii) average number of users being sent data over the air-link resource during each interval; performing one or more logarithmic linear regressions on the collected data; using the one or more logarithmic linear regressions to determine a growth factor with respect to the resource; and extrapolating from at least one of the one or more logarithmic linear regressions to determine number of users at which average throughput per user for data transmission on the carrier falls to a selected value of minimum acceptable data throughput per user.
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Specification