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首页> 外文期刊>Electronics Letters >Reduced feedback link design for device-relaying enhanced multiple-input single-output orthogonal frequency-division multiple access wireless systems
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Reduced feedback link design for device-relaying enhanced multiple-input single-output orthogonal frequency-division multiple access wireless systems

机译:用于设备中继的增强型多输入单输出正交频分多址无线系统的减少反馈链路设计

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摘要

Device-relaying enhanced multiple-input single-output (MISO) orthogonal frequency-division multiple access (OFDMA) systems are one of the promising and cost-effective methods to satisfy data rate requirements of future wireless networks. To implement device relaying in MISO-OFDMA systems efficiently, the channel state information belonging to all links is required at the base station. However, the feedback load increases with the number of users, device-relay candidates, antennas and subcarriers. A novel scheduling and a joint feedback link design and relay selection algorithm in device-relaying enhanced downlink MISO-OFDMA systems are proposed, while reducing the feedback load significantly without sacrificing the system performance.
机译:装置中继增强型多输入单输出(MISO)正交频分多址(OFDMA)系统是满足未来无线网络数据速率要求的有前途且具有成本效益的方法之一。为了有效地在MISO-OFDMA系统中实现设备中继,在基站需要属于所有链路的信道状态信息。然而,反馈负载随着用户,设备中继候选者,天线和副载波的数量而增加。提出了一种在设备中继增强型下行链路MISO-OFDMA系统中的新型调度以及联合反馈链路设计和中继选择算法,同时在不牺牲系统性能的前提下显着降低了反馈负载。

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  • 来源
    《Electronics Letters》 |2016年第5期|403-404|共2页
  • 作者

    B. Ozbek;

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  • 正文语种 eng
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