Hybrid beam forming architecture-based calibration compensation method and apparatus

A hybrid beam forming architecture-based calibration compensation method, comprising:

• determining, by a base station, a preset calibration weight vector matrix W and a preset calibration signal s0, wherein WHW=NIN, and the N is a total quantity of analog reception channels corresponding to one digital reception channel;
• receiving, by the base station, the calibration signal s0 through the analog reception channels N times consecutively, one of calibration weight vectors in the preset calibration weight vector matrix W being used during each of the N times of the receiving;
• constructing, by the base station, a second received data vector matrix YRX based on all received signals obtained, and calculating a reception channel error matrix ERX according to the calibration signal s0 and the second received data vector matrix YRX;
• performing, by the base station, an error compensation on a respective one of analog reception channels according to each element contained in the reception channel error matrix E Rx.

A base station, comprising a processor and a memory, wherein the processor is configured to read a program stored in the memory and perform operations of:

• determining a preset calibration weight vector matrix Wand a preset first calibration signal matrix S, wherein WHW=NIN, SHS=NIp, IN and IP represent N-dimensional unit matrix and P-dimensional unit matrix respectively, the N is a total quantity of analog transmission channels corresponding to one digital transmission channel, and P represents a total quantity of digital transmission channels;
• transmitting, N times consecutively, a respective one of calibration signals in the preset first calibration signal matrix S through analog transmission channels corresponding to each of the digital transmission channels, wherein a respective one of calibration weight vectors in the preset calibration weight vector matrix W being used in each of the N times of the transmitting;
• constructing a first received data vector matrix YTX based on all received signals obtained, and calculating a transmission channel error matrix ETX according to the calibration weight vector matrix W, the first calibration signal matrix S and the first received data vector matrix YTX;
• performing an error compensation on a respective one analog transmission channel according to each element contained in the transmission channel error matrix ETX.

A base station, comprising a processor and a memory, wherein the processor is configured to read a program stored in the memory and perform operations of:

• determining a preset calibration weight vector matrix W and a preset calibration signal s0, wherein WHW=NIN, and the N is a total quantity of analog reception channels corresponding to one digital reception channel;
• receiving the calibration signal s0 through the analog reception channels N times consecutively, one of calibration weight vectors in the preset calibration weight vector matrix W being used during each of the N times of the receiving;
• constructing a second received data vector matrix YRX based on all received signals obtained, and calculating a reception channel error matrix ERX according to the calibration signal s0 and the second received data vector matrix YRX;
• performing an error compensation on a respective one of analog reception channels according to each element contained in the reception channel error matrix ERX.