在空时分组码的MIMO-OFDM系统条件下，对信道，子载波，比特和功率进行分配，仿真结果表明，系统有良好的吞吐量性能-Space-time block codes in MIMO-OFDM system under the conditions of the channel, subcarrier, bit, and power allocation, simulation results show that the throughput of the system has good perfo

蜂窝小区资源分配，根据小区间干扰对部分小区进行限制，分配功率和频率资源，实现吞吐量最大化。-Cell resource allocation, according to the inter-cell interference on the part of the cell to limit distribution of power and frequency resources to maximize throughput.

蜂窝小区资源分配，分配功率和频率资源，通过遍历实现吞吐量最大化。-Cell allocation of resources, power and frequency allocation of resources to maximize throughput achieved by traversing.

Cognitive radio (CR) is of special significance to improve spectrum utilization, and spectrum allocation is one of the key technologies in the realization of cognitive radio. The spectrum allocation problem considered in this paper aims to maximize