论文标题
毫米波系统的联合用户调度和资源分配依赖于自适应分辨率ADC
Joint User Scheduling and Resource Allocation for Millimeter Wave Systems Relying on Adaptive-Resolution ADCs
论文作者
论文摘要
使用自适应分辨率类似于数字转换器（RADC），毫米波（MMWAVE）通信系统最近从研究界吸引了相当大的兴趣，这是其高能源效率和低实施成本的好处。在本文中，我们使用RADC专注于MMWave上行链路，并研究联合用户计划和资源分配问题。具体而言，我们试图通过共同优化其发射功率水平和混合组合器以及量化位的数量来最大化计划用户的系统吞吐量，但要受实际限制。通过依靠分数编程（FP）技术，我们首先将此问题掩盖为一种可以优化的形式，并借助于所谓的Ky fan fan n-norm来优化和利用其解决方案中的特定结构。然后，使用惩罚块连续凹近似（P-BSCA）算法解决了最终的优化问题。我们的数值结果表明，与最先进的基准方案相比，所提出的算法大大增强了计划用户的吞吐量，并提供了更灵活，更有效的资源分配控制。
Millimeter wave (mmWave) communication systems using adaptive-resolution analog-to-digital converters (RADCs) have recently drawn considerable interests from the research community as benefit of their high energy efficiency and low implementation cost. In this paper, we focus on the mmWave uplink using RADCs and investigate the joint user scheduling and resource allocation problem. Specifically, we seek to maximize the system throughput of the scheduled users by jointly optimizing their transmit power level and hybrid combiners as well as the number of quantization bits, subject to practical constraints. By relying on fractional programming (FP) techniques, we first covert this problem into a form amenable to optimization and exploit the specific structures in its solutions with the aid of the so-called Ky Fan n-norm. Then, the resultant optimization problem is solved using a penalty block successive concave approximation (P-BSCA) algorithm. Our numerical results reveal that the proposed algorithm substantially enhances the throughput of the scheduled users compared to the state-of-theart benchmark schemes and provides more flexible and efficient resource allocation control.
