Frame-Based Medium Access Control for 5G Wireless Networks
Frame-Based Medium Access Control for 5G Wireless Networks
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DOI：
10.1007/s11036-014-0565-0
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发表时间：
2015-01
影响因子：
3.8
通讯作者：
I. Son;S. Mao;Yihan Li;Min Chen;M. Gong;T. Rappaport
中科院分区：
文献类型：
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作者：
I. Son;S. Mao;Yihan Li;Min Chen;M. Gong;T. Rappaport
毫米波（mmWave）通信是未来第五代（5G）无线网络的关键技术之一。在本文中，我们研究毫米波网络中的介质访问控制（MAC）问题。我们开发了一种基于帧的调度定向MAC协议，称为FDMAC，以实现利用无冲突并发传输，充分利用毫米波网络中的空间重用的目标。FDMAC的高效率是通过将调度开销分摊到连续多个并发的背靠背传输上来实现的。FDMAC的核心是一个基于图着色的调度算法，称为贪婪着色（GC）算法，它可以计算出接近最优的调度总的传输时间与低复杂度。对FDMAC进行了仿真分析和评价。
Millimeter wave (mmWave) communications is one of the key technologies for future 5th generation (5G) wireless networks. In this paper, we investigate the problem of medium access control (MAC) in mmWave networks. We develop a frame-based scheduling directional MAC protocol, termed FDMAC, to achieve the goal of leveraging collision-free concurrent transmissions to fully exploit spatial reuse in mmWave networks. The high efficiency of FDMAC is achieved by amortizing the scheduling overhead over multiple concurrent, back-to-back transmissions in a row. The core of FDMAC is a graph coloring-based scheduling algorithm, termed greedy coloring (GC) algorithm, that can compute near-optimal schedules with respect to the total transmission time with low complexity. FDMAC is analyzed and evaluated with simulations.