Method of selecting maximum transmission power level to be used by a radio telecommunications base station or base stations in a network, a radio telecommunications base station and radio telecommunications network
First Claim
1. A method of selecting a maximum transmission power level to be used by a radio telecommunications base station in communicating with a mobile user terminal, the method comprising the base station communicating with neighbouring base stations to determine distances to the neighbouring base stations, and setting the maximum transmission power level at a level so as to enable communications with mobile user terminals located at most a fraction of the distance from the base station towards the nearest neighbouring base station, wherein the base station communicates with the neighbouring base stations by sending a message at a predetermined time, a neighbouring base station which successfully receives the message responding with a response indicating the time of successful receipt of the message, the distance to that neighboring base station being determined dependent upon the difference between the receipt time and the predetermined time.
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Accused Products
Abstract
A maximum transmission power level to be used by a radio telecommunications base station in communicating with a mobile user terminal is selected. The base station communicates with neighboring base stations to determine distances to the neighboring base stations, and sets the maximum transmission power level at a level such as to enable communications with mobile user terminals located at most a fraction of the distance from the base station towards the nearest neighboring base station.
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Citations
9 Claims
- 1. A method of selecting a maximum transmission power level to be used by a radio telecommunications base station in communicating with a mobile user terminal, the method comprising the base station communicating with neighbouring base stations to determine distances to the neighbouring base stations, and setting the maximum transmission power level at a level so as to enable communications with mobile user terminals located at most a fraction of the distance from the base station towards the nearest neighbouring base station, wherein the base station communicates with the neighbouring base stations by sending a message at a predetermined time, a neighbouring base station which successfully receives the message responding with a response indicating the time of successful receipt of the message, the distance to that neighboring base station being determined dependent upon the difference between the receipt time and the predetermined time.
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8. A radio telecommunications base station operative to select a maximum transmission power level to be used in communicating with a mobile user terminal, the base station being operative to communicate with neighbouring base stations to determine distances to the neighbouring base stations and to set the maximum transmission power level at a level so to enable communications with mobile user terminals located at most a fraction of the distance from the base station towards the nearest neighbouring base station, wherein the base station is operative to communicate with the neighboring base stations by sending a message at a predetermined time, a neighboring base station which successfully receives the message being operative to respond with a response indicating the time of successful receipt of the message, the distance to that neighboring base station being deterimined dependent upon the difference between the receipt time and the predetermined time.
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9. A method of selecting a maximum transmission power level to be used by a radio telecommunications base station in communicating with a mobile user terminal, the method comprising the base station communicating with neighboring base stations to determine distances to the neighboring base stations, and setting the maximum transmission power level at a level so as to enable communications with mobile user terminals located at most a fraction of the distance from the base station towards the nearest neighboring base station, wherein the maximum transmission power level once selected is notified to the neighboring base stations, so that where a gap in coverage between the base station and a neighbour occurs, the maximum transmission power level of a neighbour is increased so as to cause the cell associated with that neighbour to overlap with the cell of the base station.
Specification