Configuring the zone served by a base station providing wireless communication
Methods and apparatuses for configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles are disclosed. Motion reports are received from the user equipment, indicating a current location, a current direction of motion, and a current speed of the moving vehicles. The motion reports are received from at least one of: user equipment currently using the base station for wireless communication; user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or user equipment currently using at least one neighbouring base station to the base station for wireless communication. A configuration for the zone served by the base station is then determined, based on the motion reports and on locations of the base station and of the at least one neighbouring base station. The configuration for the zone served by the base station is then applied to the base station.
1. A method of configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the method comprising:
receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
applying the configuration for the zone served by the base station,
wherein the moving vehicles are aircraft and the wireless communication for the plurality of user equipment located in the aircraft is air-to-ground communication.
2. The method as claimed in claim 1 , further comprising:
receiving interference reports from the plurality of user equipment, wherein the interference reports indicate at least one of:
a signal strength measurement;
a signal-to-noise ratio measurement; and/or
a background noise measurement,
wherein the determining of the configuration for the zone served by the base station is also based on the interference reports.
3. The method as claimed in claim 1 , wherein the method is carried out by a self-organising network engine and wherein the motion reports and/or the interference reports are received by the self-organising network engine via the base station and/or the at least one neighbouring base station.
4. The method as claimed in claim 1 , further comprising:
receiving serving channel quality reports from at least one of the base station and the at least one neighbouring base station, wherein the serving channel quality reports indicate at least one frequency on which the plurality of user equipment is currently communicating with at least one base station of the base station and the neighbouring base stations, and
wherein the determining of the configuration for the zone served by the base station is also based on the serving channel quality reports.
5. The method as claimed in claim 1 , wherein the configuration for the zone served by the base station comprises at least one of:
an overall transmission power of the base station;
a beam pattern of at least one antenna of the base station; and/or
a number of active antennas of the base station.
6. The method as claimed in claim 1 , wherein the motion reports comprise at least a portion of a flight plan for at least one aircraft.
7. The method as claimed in claim 1 , further comprising receiving intended motion reports for the plurality of user equipment, wherein the intended motion reports comprise at least a portion of a flight plan for the at least one aircraft.
8. The method as claimed in claim 7 , wherein the intended motion reports are received from a terrestrial database.
9. The method as claimed in claim 1 , wherein determining the configuration for the zone served by the base station comprises reducing an area of the zone served by the base station.
10. A method of configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the method comprising:
receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
applying the configuration for the zone served by the base station wherein determining the configuration for the zone served by the base station, comprises increasing an area of the zone served by the base station.
11. A method of configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the method comprising:
receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
applying the configuration for the zone served by the base station further comprising a coordinated determination of determining the configuration for the zone served by the base station in coordination with determining a further configuration for a further zone served by a further base station of the at least one neighbouring base station.
12. The method as claimed in claim 11 , wherein the coordinated determination is carried out in response to a determination, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, that at least one user equipment of the plurality of user equipment will transition between the zone served by a first base station and a zone served by a second base station within a predetermined time period.
13. The method as claimed in claim 11 , wherein the coordinated determination is carried out in accordance with a predetermined load-balancing procedure according to which the zone served by the base station and the further zone served by a further base station of the at least one neighbouring base station are adjusted in coordination with one another to cause a transfer of traffic load from the base station to the further base station or vice versa.
14. A method of configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the method comprising:
receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
applying the configuration for the zone served by the base station, wherein the method is carried out in response to elapse of a predetermined refresh period.
15. A method of configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the method comprising:
receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
applying the configuration for the zone served by the base station, wherein the method is carried out in response to a predetermined refresh trigger.
16. The method as claimed in claim 15 , wherein the predetermined refresh trigger comprises at least one of:
a determination, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, that at least one user equipment of the plurality of user equipment will transition between the zone served by a first base station and a zone served by a second base station within a predetermined time period; and/or
reception of an interference report from the plurality of user equipment which indicates that at least one of a signal strength measurement, a signal-to-noise ratio measurement and/or a background noise measurement is outside a predetermined limit.
17. The method as claimed in claim 1 , wherein the determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, the configuration for the zone served by the base station is carried out according to an empirical iterative procedure wherein a change in a monitored metric dependent on at least one of:
handover success rate;
a signal strength measurement;
a signal-to-noise ratio measurement; and/or
a background noise measurement is monitored when the configuration is applied by the base station and when the monitored metric does not thereby reach a predetermined threshold value the method is repeated.
18. The method as claimed in claim 1 , wherein the determining, based on the motion reports and on locations of the base station and of the at least one neighbouring base station, the configuration for the zone served by the base station is carried out according to a predetermined strategy comprising making one or more predetermined modifications to the configuration when at least one of:
a signal strength measurement;
a signal-to-noise ratio measurement; and/or
a background noise measurement is outside a predetermined limit.
19. An apparatus for configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the apparatus comprising:
reception circuitry to receive motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
calculation circuitry to determine, based on the motion reports received by the reception circuitry and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
transmission circuitry to transmit the configuration for the zone served by the base station to the base station for application by the base station,
wherein the moving vehicles are aircraft and the wireless communication for the plurality of user equipment located in the aircraft is air-to-ground communication.
20. An apparatus for configuring the zone served by a base station providing wireless communication for a plurality of user equipment located in moving vehicles, the apparatus comprising:
means for receiving motion reports from the plurality of user equipment, wherein the motion reports indicate a current location, a current direction of motion, and a current speed of the moving vehicles, wherein the motion reports are received from at least one of:
user equipment currently using the base station for wireless communication;
user equipment currently within the zone served by the base station, but not using the base station for wireless communication; and/or
user equipment currently using at least one neighbouring base station to the base station for wireless communication;
means for determining, based on the motion reports received by the means for receiving and on locations of the base station and of the at least one neighbouring base station, a configuration for the zone served by the base station; and
means for transmitting the configuration for the zone served by the base station to the base station for application by the base station,
wherein the moving vehicles are aircraft and the wireless communication for the plurality of user equipment located in the aircraft is air-to-ground communication.