一种改进的CoMP资源预留方案设计及仿真实现
首发时间:2013-01-07
摘要:多点协作传输(CoMP)技术是LTE-A的五项关键技术之一。现网部署一般采用同频组网的方式,这样容易引起小区边缘用户之间同频干扰,因此,LTE-A引入CoMP技术抑制同频干扰,改善小区边缘用户性能。CoMP技术是指通过多个地理位置相互独立分散的传输点之间的动态协作来改善小区边缘用户的服务质量,提高小区吞吐量尤其是小区边缘吞吐量的一项技术。对于CoMP技术的研究包括协作用户的选择、协作集的划分、协作资源的分配以及反馈机制等方面的研究,本论文首先对CoMP技术进行了详细阐述,然后提出了一种改进的CoMP资源预留方案,并通过仿真对改进方案性能进行了验证。
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Research to CoMP technology in LTE-A system and Design of the improved CoMP resource reservation
Abstract:The Coordinated Multi-Point(CoMP) technology is one of five key technologies for LTE-A. Generally, the co-channel networking is adopted in network deployment in order to save frequency resource, but it is easy to lead to co-channel interference. Therefore, LTE-A introduces the CoMP technology to suppress the co-channel interference and improve the performance of users in the cell edge. CoMP refers to the technology that multiple independent points in geographical position dynamically collaborate to avoid the co-channel interference and ascend the throughput of users in cell edge. The research content of CoMP technology includes the determination of coordinated users and cells participating coordination, the scheduling of CoMP resource, the feedback mechanism and so on. The paper firstly discussed the basic principle of CoMP technology and then proposed an improved solution of CoMP resource reservation, finally verified the effectiveness of the improved scheme by simulation. .
Keywords: CoMP LTE-A Coordination Scheduling Resource Reservation
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