Wireless Communications Method, Wired Transmission Detection Method, and Related Device and System

A policy and charging rules function (PCRF) entity, comprising:

• a processor;
• and
• a non-transitory computer-readable storage medium coupled to the processor and storing programming instructions for execution by the processor, wherein the programming instructions instruct the processor to:
• acquire a first parameter, wherein the first parameter is a performance parameter of quality of service (QoS) of a first service requested by a current user equipment;
• acquire a second parameter, wherein the second parameter is a transmission characteristic parameter that characterizes wired transmission of the first service;
• acquire state information of a current service of a base station;
• determine, according to the first parameter, the second parameter, and the state information of the current service of the base station, whether a condition for guaranteeing QoS of a service is satisfied, wherein the service comprises the first service and the current service of the base station;
• permit providing the user equipment with the first service having a corresponding QoS guarantee when it is determined that the condition for guaranteeing the QoS of the service is satisfied;
• and
• execute a first operation when it is determined that the condition for guaranteeing the QoS of the service is not satisfied.