Preprint Article Version 1 This version is not peer-reviewed

Context-Based Dynamic Meshed Backhaul Construction for 5G Heterogeneous Networks

Version 1 : Received: 4 September 2018 / Approved: 4 September 2018 / Online: 4 September 2018 (05:51:50 CEST)

A peer-reviewed article of this Preprint also exists.

Tran, G.K.; Santos, R.; Ogawa, H.; Nakamura, M.; Sakaguchi, K.; Kassler, A. Context-Based Dynamic Meshed Backhaul Construction for 5G Heterogeneous Networks. J. Sens. Actuator Netw. 2018, 7, 43. Tran, G.K.; Santos, R.; Ogawa, H.; Nakamura, M.; Sakaguchi, K.; Kassler, A. Context-Based Dynamic Meshed Backhaul Construction for 5G Heterogeneous Networks. J. Sens. Actuator Netw. 2018, 7, 43.

Journal reference: J. Sens. Actuator Netw. 2018, 7, 43
DOI: 10.3390/jsan7040043

Abstract

5G heterogeneous network overlaid by millimeter-wave (mmWave) access employs mmWave meshed backhauling as a promising cost-efficient backhaul architecture. Due to the nature of mobile traffic distribution in practice which is both time-variant and spatially non-uniform, dynamic construction of mmWave meshed backhaul is prerequisite to support the varying traffic distribution. Focusing on such scenario of outdoor dynamic crowd (ODC), this paper proposes a novel method to control mmWave meshed backhaul for efficient operation of mmWave overlay 5G HetNet through Software-Defined Network (SDN) technology. Our algorithm is featured by two functionalities, i.e., backhauling route multiplexing for overloaded mmWave small cell base stations (SC-BSs) and mmWave SC-BSs’ ON/OFF status switching for underloaded spot. In this paper, the effectiveness of the proposed meshed network is confirmed by both numerical analyses and experimental results. Simulations are conducted over a practical user distribution modeled from measured data in realistic environments. Numerical results show that the proposed algorithm can cope with the locally intensive traffic and reduce energy consumption. Furthermore, a WiGig (Wireless Gigabit Alliance certified) device based testbed is developed for Proof-of-Concept (PoC) and preliminary measurement results confirm the proposed dynamic formation of the meshed network’s efficiency.

Subject Areas

mmWave; 5G heterogeneous network; meshed backhaul; outdoor dynamic crowd; SDN; dynamic construction; testbed; numerical analysis; experimental validation

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