# IoT-Enabled Smart Cities: Evolution and Outlook
## 2 IoT-Enabled Smart Cities Landscape
### Cities Review Summary
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**City** & **Status** & **Motivations** & **IoT** & **Supported Services** & **IoT Platform** & **Communication Technologies** & **Start of Developing** \\ \hline Singapore & National & & & Virtual Singapore & & \\ level smart & & & & Virtual Singapore & & \\ city. Command & & To resolve & Public WiFi & Urban planning & Government & \\ medical & & various future & access points & Water usage management & supported & \\ smart city & & urban & Around 120 & Smart street light & proprietary & \\ services & services & problems & living labs & Security warning & platform. & \\ are & & & & button/Waste management & & \\  & available. & & & & \\ \hline \multirow{6}{*}{\begin{tabular}{c} Shenzen, \\ China \\ \end{tabular} } & City wide & & & A city level health & & \\ commer- & & A vision for & & management portal & & \\  & & using ICT to & & Public surveillance system & Proprietary & \\  & & enhance public & \(>\)400,000 & Water management & developed & \\  & & enhance public & NB-IoT & Smart industry park & with several & NB-IoT \\  & and & services, city & enabled base & Internet-coordinated & ICT firms & 5G \\  & platforms & and economic & stations & manufacturing & and & \\  & & development & & Sensors and actuators & universities & \\  & & & supporting street light & & \\  & & & automation & & \\ \hline \multirow{6}{*}{\begin{tabular}{c} Atlanta, \\ US \\ \end{tabular} } & & Leverage a & & & & & \\ data-centric & & & & & & \\ approach to & & & & & \\ improve & & & & & \\ mobility, & & CCTV cameras & Mobility (e.g., North Av. & & \\  & & public safety, & 200 CityIQ & Smart Corridor, Bike sharing) & Proprietary, & \\  & & and & sensor nodes & Safety (e.g., ShotSpotter, & developed & Cellular (3G, 4G) \\  & & sustainability, & (installed with & NotifyATL) & by GE and & WiFi \\  & + for ultimately & various IoT & Environment (e.g., Smart & Intel. & \\  & services & ceiling & sensors) & Neighbourhood, Smart trash & \\  & & well-being and & & bins) & & \\  & & fostering the & & & \\  & & economic & & & \\  & & growth & & & \\ \hline \multirow{6}{*}{\begin{tabular}{c} Amsterdam, \\ Netherlands \\ lands \\ \end{tabular} } & Smart City & & & & Fuzzy navigation & & \\ umbrella & projects to & & & highlighting \"hidden gems\" & & \\ improve & & & MyNeighbour App & & \\ quality of life, & & & supporting, neighbourhood & & \\ create & & Things & safety and sustainability & No central & \\ Network with & & Plastic-free rivers & platform & LoRa, Bluetooth & 2009 \\  & & & 46 gateways & Car Pooling & & \\  & variety of & ensure efficient & Smart Parking & & \\  & & use of & Open Data from different city & & \\  & & resources & & & \\ \hline \multirow{6}{*}{\
\begin{tabular}{c} Sunshine \\ Coast Region, \\ Australia \\ \end{tabular} } & & Improve city & & & & \\ services, & reduce & \(>\)200 public & App & & \\ resource & WiFi access & Smart Street with free public & & \\  & smart city & consumption & points, smart & WiFi collecting data. & \\  & & and improve & street lights, & Pedestrian and cyclist & Proprietary, & \\  & & the safety and & waste bus bin & counters & developed & \\  & offering a & quality of life & sensors, & Networked LED street & with Cisco & \\  & & of citizens. & irrigation & lighting & & \\  & services & Support & sensors, flood & Waste bin sensors & & \\  & & data-driven & sensors & Networked irrigation system & & \\  & & design and & & & \\  & & planning & & & \\ \hline \multirow{6}{*}{
\begin{tabular}{c} Rio de \\ Janeiro, \\ Brazil \\ \end{tabular} } & Commercial & & Safety, security & & & & \\ and disaster & & & & & \\ prevention; & surveillance & & & & \\ surveillance & & & & & \\ cameras, GPS & management & & & & \\ sensors on all & & & & \\ garbage trucks, & & sensing) & & & \\  & & & & & \\  & & public services & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 1: _Cont._All the IoT platforms of the cities are different; only two are based on standards, the others are proprietary solutions, mostly developed by one or more big IT companies.