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- W2583602693 abstract "协作通信中的一个关键问题是如何分配和管理中继节点，尤其在次用户系统受到干扰温度约束条件下，协作方案的设计不仅要最大限度的提高系统性能，而且需要控制次用户系统对主用户系统的干扰。针对这种情况在次用户系统中提出一种基于协作波束形成中继选择策略，该方法以最小化次用户系统中断概率为目标，推导出一个中继选择门限，保证了有限的传输功率只分配给高效的中继链路，从而提高系统传输性能。仿真结果显示，该建议方法优于单中继转发方案和全中继转发方案，能有效降低次用户系统中断概率。One of the key problems in cooperative communication is how to allocate and manage the relay nodes, especially in the secondary user system under the interference temperature constraint. The design of the collaborative scheme should not only maximize the performance of the system, but also need to control the secondary user system’s interference in the primary user system. For this situation, a relay selection strategy is proposed based on the collaborative beamforming in the secondary user system. To minimize the outage probability of the secondary user system, a threshold is determined which only allocates the transmission power to the efficient relay links to improve the transfer performance of the system. The simulation results demonstrate that the proposed strategy can effectively reduce the outage probability of the secondary user system, and more over, it is better than the Single Relay Amplify-and-Forward (SAF) scheme and the All Relays Amplify-and-Forward (AAF) scheme." @default.
- W2583602693 created "2017-02-10" @default.
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- W2583602693 date "2014-01-01" @default.
- W2583602693 modified "2023-10-18" @default.
- W2583602693 title "A New Relay Selection Strategy under Interference Temperature Constraint" @default.
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- W2583602693 doi "https://doi.org/10.12677/hjwc.2014.46022" @default.
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