A method for dynamic switching of a communication mode in a user equipment, the method comprising: generating and transmitting first feedback information when the user equipment operates in a first communication mode; generating and transmitting second feedback information when the user equipment operates in a second communication mode; and performing switching between the first communication mode and the second communication mode, wherein the first communication mode is a multi-cell Coordinated Multi-Point, CoMP, communication mode and the second communication mode is a single-cell Multi-Input Multi-Output, MIMO, communication mode, or the first communication mode is a single-cell Multi-Input Multi-Output, MIMO, communication mode and the second communication mode is a multi-cell Coordinated Multi-Point, CoMP, communication mode, wherein if the first communication mode and the second communication mode have a mutual corresponding relationship, the first feedback information and the second feedback information are generated using a same feedback codebook, and the switching is performed without relying on signaling from a base station, and wherein the mutual corresponding relationship is configured between, supporting a high rank CoMP Joint Transmission, JT, scheme and a high rank single-cell Single User, SU,-MIMO scheme, or between, supporting a low rank CoMP Coordinated Beamforming, CBF, scheme and a low rank single-cell Multi User, MU,-MIMO scheme, and wherein, when the mutual corresponding relationship is configured between the low rank CoMP CBF scheme and the low rank single-cell MU-MIMO scheme, the same feedback codebook has higher granularity than when the mutual corresponding relationship is configured between the high rank CoMP JT scheme and the high rank single-cell SU-MIMO scheme. generating and transmitting first feedback information when the user equipment operates in a first communication mode; generating and transmitting second feedback information when the user equipment operates in a second communication mode; and performing switching between the first communication mode and the second communication mode, wherein the first communication mode is a multi-cell Coordinated Multi-Point, CoMP, communication mode and the second communication mode is a single-cell Multi-Input Multi-Output, MIMO, communication mode, or the first communication mode is a single-cell Multi-Input Multi-Output, MIMO, communication mode and the second communication mode is a multi-cell Coordinated Multi-Point, CoMP, communication mode, wherein if the first communication mode and the second communication mode have a mutual corresponding relationship, the first feedback information and the second feedback information are generated using a same feedback codebook, and the switching is performed without relying on signaling from a base station, and wherein the mutual corresponding relationship is configured between, supporting a high rank CoMP Joint Transmission, JT, scheme and a high rank single-cell Single User, SU,-MIMO scheme, or between, supporting a low rank CoMP Coordinated Beamforming, CBF, scheme and a low rank single-cell Multi User, MU,-MIMO scheme, and wherein, when the mutual corresponding relationship is configured between the low rank CoMP CBF scheme and the low rank single-cell MU-MIMO scheme, the same feedback codebook has higher granularity than when the mutual corresponding relationship is configured between the high rank CoMP JT scheme and the high rank single-cell SU-MIMO scheme.