Network selection method, apparatus, and base station

A network selection apparatus, comprising:

• a determining unit, configured to determine at least one network that is capable of satisfying a service requirement for a user equipment;
• an estimating unit, configured to estimate an average energy efficiency of a system during service transmission after the user equipment selects to access at least one network, wherein the UE accesses each of the at least one network;
• a selecting unit, configured to select a network where the average energy efficiency of the system will reach a preset threshold value to serve the user equipment;
• wherein the estimating unit comprises:
• a second obtaining unit, configured to obtain a signal to interference us noise ratio of the user equipment, and a load of each network;
• a searching unit, configured to search in a preset network energy efficiency table according to the signal to interference plus noise ratio of the user equipment, and the load of each of the at least one network, to net the energy efficiency of each of the at least one network;
• and
• a second calculating unit configured to calculate the average energy efficiency of the system during the service transmission after the user equipment selects to access each of the at least one network of which the energy efficiency is the highest or relatively higher.

A base station, comprising:

• a processor, configured to determine at least one network that is capable of satisfying a service requirement for a user equipment;
• estimate an average energy efficiency of a system during the service transmission, after the user equipment selects to access at least one network, wherein the UE accesses each of the at least one network;
• and select a network where the average energy efficiency of the system will reach a preset threshold value to serve the user equipment;
• the base station further comprising:
• a transceiver, configured to obtain a signal to interference plus noise ratio of the use equipment and a load of each of the at least one network;
• wherein the processor configured to estimate the average energy efficiency of the system during the service transmission after the user equipment selects to access each of the at least one network through the method of network energy efficiency prediction, comprises:
• the processer configured to search in a preset network energy efficiency table according to the signal to interference plus noise ratio of the user equipment, and the load of each of the at least one network, to net the energy efficiency of each of the at least one network;
• calculates the average energy efficiency of the system during the service transmission after the user equipment selects to access each of the at least one network of which the energy efficiency is the highest or relatively higher.

A network selection method performed by a device on a network side, comprising:

• receiving a request from a user equipment (UE) for a service;
• determining a list of networks that satisfy the requirements of the request;
• obtaining a signal to interference plus noise ratio of the UE and a load of each of the networks that satisfy the requirements of the request;
• searching a network energy efficiency table according to the signal to interference plus noise ratio to get the energy efficiency of each network;
• calculating the average energy efficiency of the system during the service transmission after the UE accesses each of the networks;
• and
• selecting a network based on the average energy efficiency calculation.