The invention provides a weak user data
resource allocation method based on maximum and minimum fairness, and relates to the technical field of
wireless communication. The method comprises the following steps: dividing user data into multiple types of sub-messages, merging and coding each type of sub-messages to obtain each type of sub-message
signal flow, and forming a complete
signal flow set; and setting a pre-coding vector and constructing a pre-coding matrix to generate a transmitting
signal, and constructing a receiving signal of a user based on the transmitting signal. Then, on the basis of received signals of the users, the signal-to-
interference ratio plus
noise ratio and
instantaneous rate of each sub-
message flow are calculated, the user rate is distributed, and the total achievable rate of the user K is determined; taking maximization of the minimum total achievable rate of the user as a target, considering the corresponding
instantaneous rate allocation constraint, the total power constraint of the transmitted signal and the rate allocation constraint of the user K, and constructing a maximum and minimum fairness data
resource allocation model; and finally solving the model to realize optimal
resource allocation. According to the data resource
allocation method, the limitation of weak users on the public flow capacity can be broken through, and the
utilization rate of
data resources is improved.