Method for processing enhanced physical downlink control channel, network-side device, and user equipment

A method for processing an enhanced physical downlink control channel (EPDCCH), the method comprising:

• acquiring, from a network-side device, M physical resource block (PRB) sets used for EPDCCH transmission, N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and correspondence between the M PRB sets and the N RS configurations, wherein N is a positive integer greater than 1, and M is a positive integer;
• and
• performing EPDCCH detection on the M PRB sets respectively according to each PRB set of the M PRB sets and an RS configuration corresponding to each PRB set,
• wherein acquiring the correspondence between the M PRB sets and the N RS configurations comprises:
• when each PRB set of the M PRB sets comprises a PRB set index, and each RS configuration of the N RS configurations comprises an RS configuration index, acquiring second indication signaling that indicates the correspondence between the M PRB sets and the N RS configurations, wherein the second indication signaling comprises the PRB set index of each PRB set of the M PRB sets and the RS configuration index corresponding to the PRB set index of each PRB set of the M PRB sets.

A network-side device, comprising:

• a transmitter configured to notify a user equipment (UE) of M physical resource block (PRB) sets used for enhanced physical downlink control channel (EPDCCH) transmission and N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and notify the UE of correspondence between the M PRB sets and the N RS configurations, wherein N is a positive integer greater than 1, and M is a positive integer;
• and
• at least one processor configured to perform the EPDCCH DCI rate matching and/or the EPDCCH resource mapping according to the correspondence between the M PRB sets and the N RS configurations,
• wherein when each PRB set of the M PRB sets comprises a PRB set index, and each RS configuration of the N RS configurations comprises an RS configuration index, the transmitter is configured to send to the UE, second indication signaling that indicates the correspondence between the M PRB sets and the N RS configurations, wherein the second indication signaling comprises an index identifier of the M PRB sets and index identifiers of the N RS configurations corresponding to the index identifier of the M PRB sets.

A user equipment, comprising:

• a receiver configured to acquire, from a network-side device, M physical resource block (PRB) sets used for enhanced physical downlink control channel (EPDCCH) transmission, N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and correspondence between the M PRB sets and the N RS configurations, wherein N is a positive integer greater than 1, and M is a positive integer;
• and
• at least one processor configured to perform EPDCCH detection on the M PRB sets respectively according to each PRB set of the M PRB sets and an RS configuration corresponding to each PRB set,
• wherein when each PRB set of the M PRB sets comprises a PRB set index, and each RS configuration of the N RS configurations comprises an RS configuration index, the receiver is configured to acquire second indication signaling that indicates the correspondence between the M PRB sets and the N RS configurations, wherein the second indication signaling comprises the PRB set index of each PRB set of the M PRB sets and the RS configuration index corresponding to the PRB set index of each PRB set of the M PRB sets.