Resource configuration method for demodulation reference signal, base station, and user equipment

(canceled)

(canceled)

A method executed in a base station, comprising:

• configuring group numbers of reference signal resource element groups for narrowband Internet of Things physical downlink channel demodulation, wherein at least two reference signal resource element groups for demodulating narrowband Internet of Things physical downlink channels are predefined;
• and transmitting indication information indicating the configured group numbers of the reference signal resource element groups for demodulating the narrowband Internet of Things physical downlink channels.

(canceled)

(canceled)

A user equipment, comprising:

• a receiving unit, configured to receive physical downlink signaling;
• and an extracting unit, configured to extract, from the received physical downlink signaling, indication information indicating configured group numbers of reference signal resource element groups for demodulating narrowband Internet of Things physical downlink channels, wherein at least two reference signal resource element groups for demodulating the narrowband Internet of Things physical downlink channels are predefined.

(canceled)

(canceled)

A method executed in a user equipment, comprising:

• receiving physical downlink signaling;
• and extracting, from the received physical downlink signaling, indication information indicating configured group numbers of reference signal resource element groups for demodulating narrowband Internet of Things physical downlink channels, wherein at least two reference signal resource element groups for demodulating the narrowband Internet of Things physical downlink channels are predefined.

(canceled)

(canceled)