Measurement Method, Base Station and Terminal

A base station, comprising:

• a processor, a memory, a transceiver, and a bus, wherein the processor, the memory and the transceiver are connected through the bus, and the transceiver is used for receiving and transmitting signals and communicating with a terminal, and the memory is used for storing a group of program codes, and the processor is used for calling the program codes stored in the memory to perform the following operations:
• sending a switch message for a narrow bandwidth reception mode to a terminal through the transceiver to instruct the terminal to switch to a specified narrow bandwidth to receive information, wherein a width of the narrow bandwidth is less than a width of a system bandwidth;
• and
• scheduling the terminal to switch to the system bandwidth to measure a downlink reference signal when channel state information of a downlink channel needs to be measured.

A terminal device, comprising:

• a processor, a memory, a transmitter, a receiver, and a bus, wherein the processor, the memory, the transmitter, and the receiver are connected through the bus, wherein the transmitter is used for transmitting signals, and the receiver is used for receiving signals, and the transmitter and the receiver are independently respectively configured or integrated, and the memory is used for storing a group of program codes, and the processor is used for calling the program codes stored in the memory to perform the following operations:
• receiving a switch message for a narrow bandwidth reception mode sent by a base station through the receiver, and switching to a designated narrow bandwidth to receive information, wherein a width of the narrow bandwidth is less than a width of a system bandwidth;
• and
• switching to the system bandwidth to measure a downlink reference signal according to scheduling of the base station when channel state information of a downlink channel needs to be measured.