Millimeter Wave Point to Multipoint for Affordable High Capacity Backhaul of Dense Cell Networks

The economic impact of millimeter wave wireless networks is a key parameter for the future deployment of novel high capacity network architectures. The future deployment of high density small cells needs a flexible and affordable backhaul. The techno-economic analysis of two different wireless backhaul architectures at millimeter waves, in Point to Multipoint and Point to Point, will be discussed. The EU Commission H2020 TWEETHER “Travelling wave tube based W-band wireless networks with high data rate distribution, spectrum & energy efficiency” project aims to realize the first Point to Multipoint backhaul system at W-band (92-95 GHz) to providing a cost- effective solution for new generation networks. This paper will discuss and demonstrate the advantages of millimeter wave Point to Multipoint in term of Total Cost of Ownership and flexibility of deployment

Technology for D-band/G-band Ultra Capacity Layer

The bands above 100 GHz offer outstanding potentiality for fixed wireless communications, matching the capacity requirements of future mobile networks backhaul in dense urban scenarios. However, millimeter wave components need a substantial technology advancement to enable such application. Fabrication challenges due to the short wavelength affecting the dimensions of the components, and the decrease of transmission power at the increase of the frequency are among the obstacles that limit the availability of working wireless systems above 100 GHz. The Horizon 2020 project ULTRAWAVE is progressing in the enabling of the first ultracapacity layer for small cell backhaul by producing a network with Point to Multipoint sectors at D-band (141 -148.5 GHz) fed by Point to Point G-band (275 - 305 GHz) links. The paper will describe the system specifications of the proposed ultracapacity layer and the millimeter wave technology in development in the ULTRAWAVE project

Millimeter wave wireless system based on point to multipoint transmissions

The continuously growing traffic demand has motivated the exploration of underutilized millimeter wave frequency spectrum for future mobile broadband communication networks. Research activities focus mainly on the use of the V-band (59 - 64 GHz) and E-band (71 - 76 & 81 - 84 GHz) to offer multi-gigabit point to point transmissions. This paper describes an innovative W-band (92-95 GHz) point to multipoint wireless network for high capacity access and backhaul applications. Point to multipoint wireless networks suffer from limited RF power available. The proposed network is based on a high power, wide band traveling wave tube of new generation and an affordable high performance transceiver. These new devices enable a new transmission paradigm and overcome the relevant technological challenges imposed by the high atmosphere attenuation and the presently lack of power amplification required to provide adequate coverage at millimeter waves

TWEETHER Future Generation W-band backhaul and access network infrastructure and technology

Point to multipoint (PmP) distribution at millimeter wave is a frontier so far not yet crossed due to the formidable technological challenge that the high atmospheric attenuation poses. The transmission power at level of tens of Watts required at millimeter wave for a reference range of 1 km is not available by any commercial or laboratory solid state devices. However, the availability of PmP with multigigabit data rate is pivotal for the new high density small cell networks for 4G and 5G and to solve the digital divide in areas where fiber is not convenient or possible to be deployed. In this paper, the advancements of the novel approach proposed by the EU Horizon 2020 TWEETHER project to create the first and fastest outdoor W-band (92 – 95 GHz) PmP wireless network are described. For the first time a new generation W-band traveling wave tube high power amplifier is introduced in the transmission hub to provide the enabling power for a wide area distribution

TWEETHER Future Generation W-band backhaul and access network infrastructure and technology

Point to multipoint (PmP) distribution at millimeter wave is a frontier so far not yet crossed due to the formidable technological challenge that the high atmospheric attenuation poses. The transmission power at level of tens of Watts required at millimeter wave for a reference range of 1 km is not available by any commercial or laboratory solid state devices. However, the availability of PmP with multigigabit data rate is pivotal for the new high density small cell networks for 4G and 5G and to solve the digital divide in areas where fiber is not convenient or possible to be deployed. In this paper, the advancements of the novel approach proposed by the EU Horizon 2020 TWEETHER project to create the first and fastest outdoor W-band (92 – 95 GHz) PmP wireless network are described. For the first time a new generation W-band traveling wave tube high power amplifier is introduced in the transmission hub to provide the enabling power for a wide area distribution

D-band point to multi-point deployment with G-band transport

The first Point to MultiPoint wireless system at D-band has been designed and is in advanced development. The European Commission H2020 ULTRAWAVE "Ultra capacity wireless layer beyond 100 GHz based on millimeter wave Traveling Wave Tubes"project aims to respond to the demand of high capacity at level of tens of Gigabit per second, in urban areas, where fiber backhaul is not economically viable and high density small cell architectures are deployed. A transmission hub powered by a novel D-band TWTs will feed a number of terminals arbitrarily allocated in the corresponding area sector. This paper illustrates the main characteristics, advantages and networking aspects and provide a summary of the latest results of the ULTRAWAVE project

Transmisson Hub and Terminals for Point to Multipoint W-band TWEETHER System

The European Commission Horizon 2020 TWEETHER project will conclude the activity on September 2018 with the release of one transmission hub and three network terminal equipment for enabling the first W -band, 92–95 GHz, point to multipoint system, for high capacity backhaul and fixed access. The ambition of the project is to develop the European technology for a breakthrough in millimeter wave wireless networks, by introducing the use of traveling wave tubes to achieve the required transmission power for covering, by low-gain antennas, wide area sectors with radius longer than 1 km. The lack of transmission power has so far prevented the use of point to multipoint distribution at millimeter waves. At W -band, the 3 GHz bandwidth provides more than 10 Gbps capacity, and 4 Cbps/km 2 area capacity for small cells backhaul, with flexible allocation of the base stations and low total cost of operation. The TWEETHER system is also designed to provide high throughput fixed access. This paper will describe the latest results and the technological advancements the project generated, bringing Europe at the state of the art for point to multipoint millimeter wave wireless networks