An electronic apparatus for wireless communications, comprising: processing circuitry , configured to: determine a dividing scheme of virtual cells in a predetermined region in a dynamical manner, determining the dividing scheme of the virtual cells comprising dividing multiple access points, APs, in the predetermined region into one or more virtual cells and specifying an AP in each virtual cell as a master AP; and generate a message indicating the dividing scheme of the virtual cells to inform the specified master APs; wherein the processing circuitry is configured to determine the dividing scheme of the virtual cells based on one or more of the following: backhaul capacity of the master APs of the virtual cells, and handover overhead due to handover of user equipment among virtual cells; and perform the determining of the dividing scheme of the virtual cells and the generating of the message in response to one or more of the following: the handover overhead of one or more current virtual cells exceeding a predetermined overhead threshold, a backhaul requirement of one or more current virtual cells exceeding a backhaul capacity threshold of the respective virtual cell, and a predetermined period of time elapsing; wherein the processing circuitry is configured to determine the dividing scheme of the virtual cells, such that a network utility value is the highest in the case of adopting the dividing scheme, wherein the network utility value is related to packet loss ratios of respective virtual cells and the handover overhead in the predetermined region, wherein the packet loss ratio is obtained based on the backhaul capacity of the master AP of the corresponding virtual cell and a total backhaul requirement of the virtual cell. determine a dividing scheme of virtual cells in a predetermined region in a dynamical manner, determining the dividing scheme of the virtual cells comprising dividing multiple access points, APs, in the predetermined region into one or more virtual cells and specifying an AP in each virtual cell as a master AP; and generate a message indicating the dividing scheme of the virtual cells to inform the specified master APs; wherein the processing circuitry is configured to determine the dividing scheme of the virtual cells based on one or more of the following: backhaul capacity of the master APs of the virtual cells, and handover overhead due to handover of user equipment among virtual cells; and perform the determining of the dividing scheme of the virtual cells and the generating of the message in response to one or more of the following: the handover overhead of one or more current virtual cells exceeding a predetermined overhead threshold, a backhaul requirement of one or more current virtual cells exceeding a backhaul capacity threshold of the respective virtual cell, and a predetermined period of time elapsing; wherein the processing circuitry is configured to determine the dividing scheme of the virtual cells, such that a network utility value is the highest in the case of adopting the dividing scheme, wherein the network utility value is related to packet loss ratios of respective virtual cells and the handover overhead in the predetermined region, wherein the packet loss ratio is obtained based on the backhaul capacity of the master AP of the corresponding virtual cell and a total backhaul requirement of the virtual cell. <EOS>