Method, apparatus and base station for balancing load of honeycomb collaboration relay network

Abstract

The invention discloses a load balancing method used in a cellular cooperative relay network, a device thereof and a base station, wherein, the method comprises the following steps: selecting a cell cluster consisting of non-hotspot cells adjacent to hotspot cells; determining the traffic volume transferred from the hotspot cells to the non-hotspot cells according to load conditions of various cells in the cell cluster; and determining users transferring the traffic in the hotspot cell, relay stations and transmission channels used by the traffic users. By dynamic establishment of the cell cluster, the load balancing method, the device and the base station can timely adapt to the burst and the uneven distribution of the traffic in a network, thus effectively balancing the load; the traffic load balancing ensures real-time traffic QoS in the hotspot cells, and minimizes the blocking rate of the whole cell cluster system; and the resource scheduling based on the transfer efficiency meets the load balancing requirements, and effectively improves the spectral efficiency of cell cluster systems.

Description

technical field [0001] The present invention relates to a cellular cooperative relay network technology, in particular to a load balancing method, device and base station in a cellular cooperative relay network. Background technique [0002] The goal of the future fourth-generation wireless communication system is to provide higher data transmission rates in a larger coverage area. Cooperative relay technology is an effective solution to achieve this goal. In the cooperative relay network, one or more relay stations are arranged between the base station and the user terminal; Diversity is formed at the receiving end, which improves the quality of the received signal and thus expands the system capacity. [0003] Although the cooperative relay technology can effectively expand the system capacity, due to the higher burstiness and uneven distribution of services in the future cellular communication system, congestion may still occur in some hotspot cells, and at the same tim...

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Problems solved by technology

[0003] Although the cooperative relay technology can effectively expand the system capacity, due to the higher burstiness and uneven distribution of services in the future cellular communication system, congestion may still occur in some hotspot cells, and at the same time, the same Neighboring cells may still be idle

If we blindly increase the capacity of hotspot cells to reduce the blocking rate, it will cause a decrease in spectrum utilization and cause greater interference

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