Providing Ultra-Reliable Low Latency Services for 5G with Unattended Datacenters

Varga, Jozsef; Hilt, Attila; Rotter, Csaba; Járó, G.

doi:10.1109/csndsp.2018.8471756

Cited by 12 publications

(9 citation statements)

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“…Meanwhile, the capacity demands of the sites are increasing. As a result, more and more locations require fiber-optical connection or microwave links with increased access transmission capacity [1][2][3][4][5][6][7][8]. The rapid network expansion inherently provides the possibility of optimization by means of topology re-planning.…”

Section: Connection Options and Topology Optimization After Site Densmentioning

confidence: 99%

“…On one hand, the 5G (fifth-generation mobile) broadband services may require Gbps (Gigabit/second) peak data rates or even beyond. On the other hand, several critical services, e.g., remote control, robotics, or vehicular applications, require ultra-high reliability and low latency ( Figure 1) [2]. Therefore, the deployment of 5G necessitates a quick expansion of the fiberoptical transport network, as well as the µ/mmW radio links in the entire mobile front-and backhaul [1][2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, several critical services, e.g., remote control, robotics, or vehicular applications, require ultra-high reliability and low latency ( Figure 1) [2]. Therefore, the deployment of 5G necessitates a quick expansion of the fiberoptical transport network, as well as the µ/mmW radio links in the entire mobile front-and backhaul [1][2][3][4][5][6]. The existing mobile anyhaul networks already provide the transmission capacity for the recently deployed Long-Term Evolution (LTE-A (Advanced), LTE) evolved Node-Bs, as well as the capacity for the legacy second-and third-generation (2G/3G) base stations in most of the countries [7,8].…”

Section: Introductionmentioning

confidence: 99%

“…The different RATs (or simply "generations") are frequently co-located to accelerate network rollouts, and they re-use earlier site investments to benefit from the capacity of the existing front-or backhaul. Earlier RATs are continuously modernized, often "re-farmed" toward 4G and 5G, resulting in a continuous expansion and optimization of the mobile anyhaul [1][2][3][4][5][6][7][8][9]. This paper investigates how the earlier deployed and new µ/mmW links can contribute to the demands of bandwidth increase.…”

Section: Introductionmentioning

confidence: 99%

“…Topology optimization, shortened radio links, adaptive modulation, and automatic transmit power control (ATPC) techniques can all contribute to extra capacity for the sites. However, for 5G, low latency and high availability requirements should also be fulfilled [2,5]. With the new 5G radio access points (RAPs), the density of sites is further increasing.…”

Section: Introductionmentioning

confidence: 99%

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Availability and Fade Margin Calculations for 5G Microwave and Millimeter-Wave Anyhaul Links

Hilt

2019

Applied Sciences

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The deployment of new radio access technologies always provides a good opportunity and timing to optimize the existing mobile front- and backhaul (commonly called “anyhaul”). The legacy systems (Long-Term Evolution (LTE), High-Speed Packet Access (HSPA), third-generation mobile (3G), second-generation mobile (2G)) already extensively utilize the transmission and transport capacities of the mobile anyhaul. With the current launch of 5G (fifth-generation mobile) and recent LTE-A (Advanced Long-Term Evolution), additional new transmission capacities are required again. Depending on the traffic and network topology, additional cell sites are built, and even more locations are connected with fiber optics. The existing microwave and millimeter-wave links are rotated toward those aggregation points that already have optical-fiber access. Due to the increased cell-site density, the average distance of the radio access links can be reduced by network and topology optimization. The reduced hop lengths combined with adaptive modulation and automatic power control bring an opportunity for capacity increase in shortened radio links. Links newly deployed for 5G find a wide spectrum in the millimetric V, E, W, and D frequency bands. This paper discusses the availability and hop-length targets of the anyhaul links that should be carefully kept by proper planning and monitoring.

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