A wireless access method for K different user terminals, UEs, being in a coverage area of L different wireless access nodes, wireless ANs, comprising: receiving, in a central processing node, pilot signal strengths sent by the wireless ANs, wherein the pilot signal strengths are fed back by the UEs within the coverage area, and are between the wireless ANs and the UEs; determining, in the central processing node, access indication information of the UEs according to the pilot signal strengths, wherein the access indication information of each of the UEs comprises an identifier of the wireless AN connected with the respective UE and a corresponding coding and modulation scheme; and sending (406, 407), by the central processing node and for each of the UEs, the identifier of the wireless AN which the respective UE accesses and the corresponding coding and modulation scheme to the respective UE through the wireless AN, wherein, for the selection of an l 0 -th wireless AN as a wireless AN which the k 0 -th UE accesses, wherein l 0 ∈ {1,...,L} and k 0 ∈ {1,...,K}, the determining comprises: in all the L candidate wireless ANs related to the k 0 -th UE, calculating a sum of interference strength to the K-1 UEs other than the k 0 -th UE when each candidate wireless AN sends a pilot signal to the k 0 -th UE and selecting the l 0 -th candidate wireless AN to provide a downlink service for the k 0 -th UE when the sum of the interference strength corresponding to the l 0 -th candidate wireless AN is the smallest, according to min l 0 ∈ 1, ⋯ L ∑ k = 1, k ≠ k 0 K γ kl 0 with γ kl 0 indicating a pilot signal strength; and determining an identifier of the selected wireless AN and the corresponding coding and modulation scheme. receiving, in a central processing node, pilot signal strengths sent by the wireless ANs, wherein the pilot signal strengths are fed back by the UEs within the coverage area, and are between the wireless ANs and the UEs; determining, in the central processing node, access indication information of the UEs according to the pilot signal strengths, wherein the access indication information of each of the UEs comprises an identifier of the wireless AN connected with the respective UE and a corresponding coding and modulation scheme; and sending (406, 407), by the central processing node and for each of the UEs, the identifier of the wireless AN which the respective UE accesses and the corresponding coding and modulation scheme to the respective UE through the wireless AN, wherein, for the selection of an l 0 -th wireless AN as a wireless AN which the k 0 -th UE accesses, wherein l 0 ∈ {1,...,L} and k 0 ∈ {1,...,K}, the determining comprises: in all the L candidate wireless ANs related to the k 0 -th UE, calculating a sum of interference strength to the K-1 UEs other than the k 0 -th UE when each candidate wireless AN sends a pilot signal to the k 0 -th UE and selecting the l 0 -th candidate wireless AN to provide a downlink service for the k 0 -th UE when the sum of the interference strength corresponding to the l 0 -th candidate wireless AN is the smallest, according to min l 0 ∈ 1, ⋯ L ∑ k = 1, k ≠ k 0 K γ kl 0 with γ kl 0 indicating a pilot signal strength; and in all the L candidate wireless ANs related to the k 0 -th UE, calculating a sum of interference strength to the K-1 UEs other than the k 0 -th UE when each candidate wireless AN sends a pilot signal to the k 0 -th UE and selecting the l 0 -th candidate wireless AN to provide a downlink service for the k 0 -th UE when the sum of the interference strength corresponding to the l 0 -th candidate wireless AN is the smallest, according to min l 0 ∈ 1, ⋯ L ∑ k = 1, k ≠ k 0 K γ kl 0 with γ kl 0 indicating a pilot signal strength; and determining an identifier of the selected wireless AN and the corresponding coding and modulation scheme.