Relay selection is a crucial challenge in cooperative communication.
中继节点的选择是协作通信中的重要问题。
A hybrid cooperative relay selection algorithm (HCRSA) is presented for relay based cellular networks.
提出一种应用于中继蜂窝网络的混合型协作中继选择算法(HCRSA)。
Based on the convex optimization, the algorithm jointly optimizes power allocation, subcarrier pairing, relay selection and user selection.
该算法基于凸优化理论，对功率分配、子载波配对、中继选择和用户选择进行了联合优化。
The article discusses about the proper selection of static relay test points through introducing the contactor sketch of rectifying static relays with digital dial switches and easy-happening faults.
通过对静态继电器整定用数字拨盘开关接点转换示意图和易发生的故障介绍，初步探讨了静态继电器的测试点的合理选择方法。
This paper analyses the matters needing attention in selection and usage of thermal relay, and expounds the importance of rational selection and usage of thermal relay.
分析了热继电器在选用中的注意事项，阐述了合理选用热继电器的重要性。
According to the calculation result and features of low percentage interturn fault, the general characteristic selection for percentage differential relay of transformer is suggested.
最后根据轻微故障的特点提出对变压器比率差动继电器通用特性选择的建议，供同仁参考。
The selection of an auxiliary relay is a key question of reliability to improve control system operation.
阐述了中间继电器的选型是切实提高控制系统运行可靠性的关键问题。
In this paper, the switching topology is introduced. Besides, the characteristic and the selection principle of relay are analysed.
本文介绍了开关系统设计中的拓扑技术，分析了各型继电器的特性以及继电器的选型原理。
As phase selection schemes, they can be used for perfect digital relay.
因此可作为数字式保护的较理想的选相元件方案。
As phase selection schemes, they can be used for perfect digital relay.
因此可作为数字式保护的较理想的选相元件方案。
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