Method and apparatus for controlling quality of service

A method applied in a Core Network (CN) control network element for control of Quality of Service (QoS), comprising:

• transmitting a Core Network (CN) flow identifier and information on a corresponding uplink data flow characteristic of a Packet Data Network (PDN) connection to a user terminal and transmitting the CN flow identifier and information on a corresponding downlink data flow characteristic of the PDN connection to a CN gateway;
• and
• transmitting the CN flow identifier and information on a corresponding QoS parameter of the PDN connection to a base station.

A method applied in a Core Network (CN) gateway for control of Quality of Service (QoS), comprising:

• creating, after receiving a Core Network (CN) flow identifier and information on a corresponding downlink data flow characteristic of a Packet Data Network (PDN) connection as transmitted from a CN control network element, a mapping relation between the CN flow identifier and the corresponding downlink data flow characteristic;
• and
• transmitting data packets to a user terminal, among which a data packet satisfying the downlink data flow characteristic carries the CN flow identifier corresponding to the downlink data flow characteristic.

An apparatus applied in a base station for control of Quality of Service (QoS), comprising:

• an information receiving and processing module configured to receive a Core Network (CN) flow identifier and information on a corresponding QoS parameter of a Packet Data Network (PDN) connection as transmitted from a CN control network element and create a mapping relation between the CN flow identifier and the corresponding QoS parameter;
• and
• a radio bearer processing module configured to utilize, after determining based on the received information on the QoS parameter of the PDN connection that a radio bearer satisfying a requirement of the QoS parameter exists between a user terminal and the base station, the existing radio bearer satisfying the requirement of the QoS parameter, create a mapping relation between the existing radio bearer and the CN flow identifier of the PDN connection and transmit information on the mapping relation to the user terminal.

An apparatus applied in a Core Network (CN) control network element for control of Quality of Service (QoS), comprising:

• a first transmitting module configured to transmit a Core Network (CN) flow identifier and information on a corresponding uplink data flow characteristic of a Packet Data Network (PDN) connection to a user terminal and transmit the CN flow identifier and information on a corresponding downlink data flow characteristic of the PDN connection to a CN gateway;
• and
• a second transmitting module configured to transmit the CN flow identifier and information on a corresponding QoS parameter of the PDN connection to a base station.

An apparatus applied in a Core Network (CN) gateway for control of Quality of Service (QoS), comprising:

• an information receiving and processing module configured to create, after receiving a Core Network (CN) flow identifier and information on a corresponding downlink data flow characteristic of a Packet Data Network (PDN) connection as transmitted from a CN control network element, a mapping relation between the CN flow identifier and the corresponding downlink data flow characteristic;
• and
• a data transmitting module configured to transmit data packets to a user terminal, among which a data packet satisfying the downlink data flow characteristic carries the CN flow identifier corresponding to the downlink data flow characteristic.