Ultra-Fast Millimeter Wave Beam Steering

Bonjour, Romain; Singleton, Matthew; Gebrewold, Simon A.; Salamin, Yannick; Abrecht, Felix C.; Baeuerle, Benedikt; Josten, Arne; Leuchtmann, P.; Hafner, Christian; Leuthold, Juerg

doi:10.1109/jqe.2015.2509242

Cited by 35 publications

(26 citation statements)

References 41 publications

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“…Specifically, given that free space path loss increases as the square of the frequency, directive antennas and directional transmitters focused on individual users, such as high gain steerable phased arrays, will be required in order to compensate for the large free space path losses of EM waves. Beam steering techniques [92] and massive MIMO antenna array elements arranged on terminal devices [93] may be promising solutions for increasing antenna directivity gain. There are also other seamless integration issues of wireless links combined with photonic infrastructures that might appear, such as the connection of optical fibers to THz transmitter and receiver front ends, which consequently requires optical to THz (O/THz) and THz/O converters with high bandwidths (well above 300 GHz).…”

Section: Beyond 5g Network: Towards To Thz Band Communicationsmentioning

confidence: 99%

Key Roles of Plasmonics in Wireless THz Nanocommunications—A Survey

Lallas

2019

Applied Sciences

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Wireless data traffic has experienced an unprecedented boost in past years, and according to data traffic forecasts, within a decade, it is expected to compete sufficiently with wired broadband infrastructure. Therefore, the use of even higher carrier frequency bands in the THz range, via adoption of new technologies to equip future THz band wireless communication systems at the nanoscale is required, in order to accommodate a variety of applications, that would satisfy the ever increasing user demands of higher data rates. Certain wireless applications such as 5G and beyond communications, network on chip system architectures, and nanosensor networks, will no longer satisfy speed and latency demands with existing technologies and system architectures. Apart from conventional CMOS technology, and the already tested, still promising though, photonic technology, other technologies and materials such as plasmonics with graphene respectively, may offer a viable infrastructure solution on existing THz technology challenges. This survey paper is a thorough investigation on the current and beyond state of the art plasmonic system implementation for THz communications, by providing in-depth reference material, highlighting the fundamental aspects of plasmonic technology roles in future THz band wireless communication and THz wireless applications, that will define future demands coping with users' needs. Appl. Sci. 2019, 9, 5488 2 of 34 communications, researchers have been focused on taking advantage of higher regions in the radio spectrum, pointing to the THz band communication and infrastructure, as a promising solution to equip 5G plus networks, thus enabling efficient operation of bandwidth hungry applications, that are not feasible at the moment with current infrastructure.Wireless NoC (WiNoC) [5] with its inherent broadcast capability, appears as a promising approach to overcome all abovementioned bottlenecks of ancestor technologies. Ultra small miniature sizes of plasmon based antennas and other nanolink components as well, with considerably much less wiring, are the desired features of this technology, in order to enable the integration of one or multiple antennas per core, paving the way for dense, scalable NoC schemes, as required by future applications. Graphene based WiNoCs (GWiNoCs) is probably the most updated promising approach for THz nanoscale wireless communications, and it is therefore considered to be the basis for implementing future on chip network architectures. Alternatively, hybrid optical wireless schemes, may be also proved to be a promising NoC solution [6], by combining the best assets of these two worlds: low loss dielectric waveguide media, and miniature sized plasmonic material oscillating at THz rates.Last, wireless nanosensor networks (WNSNs) is another established THz nanoscale application, with basic similarities as in WiNoCs, such as core to core or to memory communication, but also with other unique characteristic types of communication, mainly between nanosensors and nanomachin...

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Section: Beyond 5g Network: Towards To Thz Band Communicationsmentioning

confidence: 99%

Key Roles of Plasmonics in Wireless THz Nanocommunications—A Survey

Lallas

2019

Applied Sciences

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“…In such a scenario the required coverage area is small enough to be covered with a single or very few beams, while covering a significant number of users and with beam steering required only at the speed of the moving vehicle [15]. Alternatively, ultra fast beamsteering or -switching can allow sharing of resources between unicast and multicast through time division multiplexing or allow broadcast through scanning of the broadcast area [16]. The use of novel antenna concepts such as phased-array fed reflector antennas [17], [18] may allow both a reduction in the complexity required for beamforming and -steering and an increase in the number of beams.…”

Section: B Broad-and Multicast Distributionmentioning

confidence: 99%

Millimeter Wave Hybrid Photonic Wireless Links - Also for Broadcast?

Rommel

Morales

Konstantinou

et al. 2018

2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)

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“…Therefore, the ability to steer the beam direction is required to enhance the coverage region [12] . Several techniques have been proposed over the last few years, including mechanical steering, beamforming [13] , the use of reflect arrays [14] , and the use of lens antennas [15] .…”

Section: Journal Of Communications and Information Networkmentioning

confidence: 99%

“…In analog beamforming, this result is achieved by adjusting the gains and phases of the signals feeding the array, whereas in digital beamforming, it is achieved through digital processing [13,22] .…”

Section: Implemented Beam Steering Systemmentioning

confidence: 99%

Beam steering application for W-band data links with moving targets in 5G wireless networks

Morales

Rodríguez

Gallardo

et al. 2017

J. Commun. Inf. Netw.

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Ubiquitous broadband Internet access is one of the major goals of the next generation of wireless communications. However, there are still some locations where this is difficult to achieve. This is the case on moving vehicles and, particularly, on trains. Among the possible solutions to this problem, RoF (Radio-over-Fiber) architectures have been proposed as low-latency, cost-effective candidates. Two elements are introduced to extend the RoF approach. First, the carrier frequency is raised into the W-band (75-110 GHz) to increase the available capacity. Second, a mechanical beam-steering solution based on a Stewart platform is adopted for the transmitter antenna to allow it to follow a moving receiver along a known path, thereby enhancing the coverage area. The performance of a system transmitting a 2.5 Gbit/s non-return-to-zero signal generated by photonic up-conversion over a wireless link is evaluated in terms of real-time BER (Bit Error Rate) measurements. The receiver is situated in different positions, and the orientation of the transmitter is changed accordingly. Values below the forward error correction limit for 7% overhead are obtained over a range of 60 cm around a center point situated 2 m away from the transmitter.

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Ultra-Fast Millimeter Wave Beam Steering

Cited by 35 publications

References 41 publications

Key Roles of Plasmonics in Wireless THz Nanocommunications—A Survey

Key Roles of Plasmonics in Wireless THz Nanocommunications—A Survey

Millimeter Wave Hybrid Photonic Wireless Links - Also for Broadcast?

Beam steering application for W-band data links with moving targets in 5G wireless networks

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