Method for allocating a spectral resource of a radio cell using an edge cloud server
A method for allocating a spectral resource of a radio cell of a mobile communication network to a mobile application includes: establishing, by the mobile application, a wireless connection to an application backend via a radio access point of the radio cell of the mobile communication network; and allocating, by a scheduler of the mobile communication network, the spectral resource of the radio cell to the established wireless connection. An optimization service requested by the scheduler determines a minimum of an overall cost function, the overall cost function summing a plurality of cost values, wherein each cost value is related to a respective mobile application connected to the radio access point. The scheduler allocates the spectral resource depending on the determined minimum of the overall cost function.
1. A method for allocating a spectral resource of a radio cell of a mobile communication network to a mobile application, comprising:
establishing, by the mobile application, a wireless connection to an application backend via a radio access point of the radio cell of the mobile communication network; and
allocating, by a scheduler of the mobile communication network, the spectral resource of the radio cell to the established wireless connection;
wherein an optimization service requested by the scheduler determines a minimum of an overall cost function, the overall cost function summing a plurality of cost values, wherein each cost value is related to a respective mobile application connected to the radio access point;
wherein the scheduler allocates the spectral resource depending on the determined minimum of the overall cost function.
2. The method according to claim 1 , wherein a minimum data rate and/or a maximum latency for uplink and downlink, respectively, are allocated as the spectral resource.
3. The method according to claim 1 , wherein a predefined combination of a minimum data rate and a maximum latency for uplink and downlink, respectively, is allocated as the spectral resource.
4. The method according to claim 1 , wherein determining the minimum takes into account at least one equality constraint.
5. The method according to claim 4 , wherein taking into account the at least one equality constraint comprises taking into account a spectral capacity of the radio cell.
6. The method according to claim 4 , wherein taking into account the at least one equality constraint comprises taking into account an exclusivity of each operational mode of each of a plurality of mobile applications.
7. The method according to claim 4 , wherein determining the minimum comprises transforming the overall cost function into a Lagrange function by multiplying each equality constraint with a Lagrange multiplier and adding each multiplied equality constraint to the overall cost function.
8. The method according to claim 7 , wherein transforming the overall cost function into the Lagrange function comprises converting the Lagrange function into a quadratic unconstrained binary optimization (QUBO) format.
9. The method according to claim 7 , wherein the optimization service transforms the overall cost function into the Lagrange function and/or converts the Lagrange function into a quadratic unconstrained binary optimization (QUBO) format.
10. The method according to claim 1 , wherein an optimizer controlled by the optimization service minimizes the overall cost function, wherein the optimizer is an adiabatic quantum computer, a universal quantum computer, a computer configured for simulating a quantum annealing, or a computer configured for executing an optimization algorithm.
11. The method according to claim 10 , wherein the scheduler and the optimization service communicate via a REST interface or an XML interface; and/or
wherein the optimization service and the optimizer communicate via a REST interface or an XML interface.
12. The method according to claim 1 , wherein the optimization service is requested by the scheduler periodically.
13. The method according to claim 1 , wherein the optimization service is executed by an edge cloud server located at the radio access point.
14. A system, comprising:
a mobile application configured to establish a wireless connection to an application backend via a radio access point of a radio cell of a mobile communication network;
a scheduler of the mobile communication network configured to allocate a spectral resource of the radio cell to the established wireless connection; and
an edge cloud server configured to provide an optimization service requested by the scheduler, wherein the optimization service determines a minimum of an overall cost function, the overall cost function summing a plurality of cost values, wherein each cost value is related to a respective mobile application connected to the radio access point;
wherein the scheduler is configured to allocate the spectral resource depending on the determined minimum of the overall cost function.
15. One or more non-transitory computer-readable storage mediums having processor-executable instructions stored thereon, wherein the processor-executable instructions, when executed, facilitate:
establishing, by a mobile application, a wireless connection to an application backend via a radio access point of a radio cell of a mobile communication network;
allocating, by a scheduler of the mobile communication network, a spectral resource of the radio cell to the established wireless connection; and
providing, by an edge cloud server, an optimization service requested by the scheduler, wherein the optimization service determines a minimum of an overall cost function, the overall cost function summing a plurality of cost values, wherein each cost value is related to a respective mobile application connected to the radio access point;
wherein allocating the spectral resource is based on the determined minimum of the overall cost function.