The technical concept of using the 700 MHz band as a base for 5G smart cities networks in Poland

Bronk, Krzysztof; Lipka, A.; Niski, R.

doi:10.23919/ursi.2018.8406722

Cited by 3 publications

(4 citation statements)

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“…In [73], the authors tried to address a practical problem, i.e., how 5G can be deployed in two Polish cities -TriCity and Warsaw. They first calculated the city-related data (e.g., number of devices and data traffic generated by the devices in the two cities) based on certain reports (e.g., [74] and application of the 5G network in smart cities.…”

Section: G Network Architecture In Smart Citiesmentioning

confidence: 99%

“…The authors stated that if the flight trajectory of the leader UAV can be analyzed by base stations, the beamforming can be more precise, in order to improve data rate of the UAV-based 5G network. In [73], the authors concluded that there are different configurations of using 700 MHz 5G network that can work in both TriCity and Warsaw. An extreme example could be to use three aggregated 20 MHz channels.…”

Section: Lessons Learned From Using 5g In Smart Citiesmentioning

confidence: 99%

“…Number of base stations in TriCity and Warsaw based on different configurations[73]. The results are based on a set of design decisions (e.g., 700 MHz band and 46 dBM (40 W) transmitter power) and assumptions (e.g., the number of residents in TriCity and Warsaw in 2021 will be 749,015 and 1,798,514 respectively).…”

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confidence: 99%

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Using 5G in Smart Cities: A Systematic Mapping Study

Chen¹,

Peng²,

Fu³

et al. 2022

Preprint

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5G is the fifth generation wireless network, with a set of characteristics, such as high bandwidth and data rates, massive connectivity, broad coverage, and low latency. The scenarios of using 5G include enhanced Mobile Broadband (eMBB), massive Machine Type Communications (mMTC), and ultra-Reliable and Low-Latency Communications (uRLLC). 5G is expected to support a wide variety of applications, such as city management, healthcare, transportation, agriculture, and energy management. In this paper, we conducted a systematic mapping study that covers the literature published between January 2012 and December 2019 regarding using 5G in smart cities. The scenarios, architecture, technologies, challenges, and lessons learned of using 5G in smart cities are summarized and further analyzed based on 32 selected studies, and the results are that: (1) The studies are distributed over 27 publication venues. 17 studies report results based on academic studies and 13 studies use demonstration or toy examples. Only 2 studies report using 5G in smart cities based on industrial studies. 16 studies include assumptions of 5G network design or smart city scenarios. (2) The most discussed smart city scenario is transportation, followed by public safety, healthcare, city tourism, entertainment, and education. (3) 28 studies propose and/or discuss the architecture of 5G-enabled smart cities, containing smart city architecture (treating 5G as a component), 5G network architecture in smart cities, and business architecture of using 5G in smart cities. (4) The most mentioned 5G-related technologies are radio access technologies, network slicing, and edge computing. (5) Challenges are mainly about complex context, challenging requirements, and network development of using 5G in smart cities. (6) Most of the lessons learned identified are benefits regarding 5G itself or the proposed 5G-related methods in smart cities. This work provides a reflection of the past eight years of the state of the art on using 5G in smart

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Section: G Network Architecture In Smart Citiesmentioning

confidence: 99%

Section: Lessons Learned From Using 5g In Smart Citiesmentioning

confidence: 99%

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Using 5G in Smart Cities: A Systematic Mapping Study

Chen¹,

Peng²,

Fu³

et al. 2022

Preprint

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“…Numerous wireless sensor networks that utilize low power nodes transmit low amounts of data at low transmission speeds. These will benefit from the development of the special low power transmission protocols that 5G will make available in the 700 MHz band [ 8 ]. At the same time, 5G systems will enable high data rates in the 3.5 GHz band, making this band attractive for designers of nodes which aggregate measurement data from wireless sensor networks [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Many-Objective Automated Optimization of a Four-Band Antenna for Multiband Wireless Sensor Networks

Januszkiewicz

Barba

Jopek

et al. 2018

Sensors

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This paper describes a new design and an optimization framework for a four-band antenna to be used in wireless sensor networks. The antenna is designed to operate effectively in two open frequency bands (ISM—Industrial, Scientific, Medical), 2.4 GHz and 5.8 GHz, as well as in two bands allocated for the fifth-generation (5G) cellular networks, 0.7 GHz and 3.5 GHz. Our initial design was developed using the trial and error approach, modifying a circular disc monopole antenna widely used in ultra wideband (UWB) systems. This initial design covered the three upper bands, but impedance matching within the 700 MHz band was unsatisfactory. The antenna performance was then improved significantly using an optimization algorithm that applies a bi-objective fully-Paretian approach to its nine-parameter geometry. The optimization criteria were impedance matching and radiation efficiency. The final design exhibits good impedance matching in all four desired bands with the Voltage Standing Wave Ratio (VSWR) value below 2 and radiation efficiency of 88%. The simulated antenna performance was verified experimentally.

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