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    • 9. 发明授权
    • Method for spectrum allocation based on interference suppression and user difference bandwidth requirements
    • 基于干扰抑制和用户差分带宽要求的频谱分配方法
    • US09130729B2
    • 2015-09-08
    • US13907448
    • 2013-05-31
    • Xiaodong XuXiaofeng TaoZhou XuHuixin ZhangPing Zhang
    • Xiaodong XuXiaofeng TaoZhou XuHuixin ZhangPing Zhang
    • H04L5/00
    • H04L5/0073H04L5/0037H04L5/0064H04L5/0067H04L5/0075
    • The present invention relates to the technical field of wireless communication and of mobile communication, and more particularly to a method for spectrum resource allocation and interference avoidance of femtocell in a heterogeneous environment consisting of macro cell and femtocell, and specifically to a spectrum allocation method based on interference suppression and user difference bandwidth requirements. According to the spectrum allocation method based on interference suppression and user difference bandwidth requirements of the present invention, spectrum resource can be allocated reasonably according to the priority level of bandwidth requirements in combination with graph coloring algorithm and chromaticity preference algorithm. In this manner, in-layer interference among femtocells and cross-layer interference among femtocells and macro cells can be effectively suppressed, the difference bandwidth requirements of femtocell users can be satisfied, and the efficiency of frequency utilization and the whole throughput of system can be also optimized to the maximum extent.
    • 本发明涉及无线通信和移动通信的技术领域,更具体地涉及一种在由宏小区和毫微微小区组成的异构环境中的毫微微小区的频谱资源分配和干扰避免的方法,具体涉及基于频谱分配方法 对干扰抑制和用户差异带宽要求。 根据本发明的基于干扰抑制和用户差异带宽要求的频谱分配方法,可以根据带宽要求的优先级结合图像着色算法和色度偏好算法,合理分配频谱资源。 以这种方式,可以有效地抑制毫微微小区之间的层内干扰和毫微微小区和宏小区之间的跨层干扰,可以满足毫微微小区用户的差分带宽要求,并且可以使系统的频率利用效率和整体吞吐量 也在最大程度上进行了优化。