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arXiv 1606.07142cs.ITmath.IT
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并行频率信道上多用户传输的能量效率

Energy Efficiency in Multiuser Transmission Over Parallel Frequency Channels

Liang Dong, Xing Meng

摘要:

能量效率是无线通信的重要设计标准。当并行频率信道被用于多用户传输时,信道带宽和用户功率被调整以最大化具有带宽预算、发射功率预算和用户特定速率要求的和信息速率。最大和率用于测量能量效率。利用频率信道的固定或灵活带宽,开发了实用的方法来找到具有最大能量效率的唯一最优资源(带宽和功率)分配的总发射功率。这种资源分配确保在满足每个用户的最小速率要求的同时,频谱和发射功率的所有多余资源专用于具有最佳信道质量的一个用户。仿真结果验证了支持节能多用户传输的总发射功率和资源分配的最佳解决方案。

英文摘要:

Energy efficiency is an important design criterion for wireless communications. When parallel frequency channels are used for multiuser transmission, the channel bandwidths and user power are adjusted to maximize the sum information rate with the bandwidth budget, the transmit power budget, and the user-specific rate requirements. The maximum sum rate is used in measuring the energy efficiency. With fixed or flexible bandwidths of the frequency channels, practical methods are developed to find the total transmit power with the unique optimal resource (bandwidth and power) allocation for maximum energy efficiency. This resource allocation ensures that, while each user's minimum rate requirement is satisfied, all the excess resource of the spectrum and transmit power is dedicated to the one user with the best channel quality. Simulation results validate the optimal solutions of total transmit power and resource allocation that support the energy-efficient multiuser transmission.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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