Smart city

Source: Wikipedia, the free encyclopedia.
For the 2006 film, see Smart City (film). For a list of smart cities, see List of smart cities.

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A smart city is a technologically modern urban area that uses different types of electronic methods and sensors to collect specific data. Information gained from that data is used to manage assets, resources and services efficiently; in return, that data is used to improve operations across the city.[1] This includes data collected from citizens, devices, buildings and assets that is processed and analyzed to monitor and manage traffic and transportation systems,[2] power plants, utilities, urban forestry,[3] water supply networks, waste, criminal investigations, information systems, schools, libraries, hospitals, and other community services.[4][5] Smart cities are defined as smart both in the ways in which their governments harness technology as well as in how they monitor, analyze, plan, and govern the city. In smart cities, the sharing of data is not limited to the city itself but also includes businesses, citizens and other third parties that can benefit from various uses of that data. Sharing data from different systems and sectors creates opportunities for increased understanding and economic benefits.[6][7]

The smart city concept integrates

Many cities
have already adopted some sort of smart city technology.

Smart city initiatives have been criticized as a marketing fad, poorly adapted to residents' needs, as largely unsuccessful, and as a dangerous move toward totalitarian surveillance.

Terminology

The smart city concept is amorphous and there is no shared understanding of commonly accepted definition of what the term encompasses.[15]: 71  Deakin and Al Waer[16] list four factors that contribute to the definition of a smart city:

  1. The application of a wide range of electronic and digital technologies to communities and cities.
  2. The use of ICT to transform life and working environments within the region.
  3. The embedding of such Information and Communications Technologies in government systems.
  4. The territorialisation of practices that brings ICT and people together to enhance the innovation and knowledge that they offer.

Deakin defines the smart city as one that utilizes ICT to meet the demands of the market (the citizens of the city), and states that community involvement in the process is necessary for a smart city.[17] A smart city would thus be a city that not only possesses ICT technology in particular areas, but has also implemented this technology in a manner that positively impacts the local community.

Alternative definitions include:

  • Business Dictionary, 6 Nov 2011: "A developed urban area that creates sustainable economic development and high quality of life by excelling in multiple key areas: economy, mobility, environment, people, living, and government. Excelling in these key areas can be done through strong human capital, social capital, and/or ICT infrastructure."[18]
  • Caragliu, Del Bo, & Nijkamp, 2011: “A city can be defined as smart when investments in human and social capital and traditional transport and modern ICT infrastructure fuel sustainable economic growth and a high quality of life, with a wise management of natural resources, through participatory governance.”[19][20]
  • Department for Business, Innovation and Skills, UK 2013: "[T]he concept is not static: there is no absolute definition of a smart city, no end point, but rather a process, or series of steps, by which cities become more 'liveable' and resilient and, hence, able to respond quicker to new challenges."[21][22]
  • European Commission: "A smart city is a place where traditional networks and services are made more efficient with the use of digital solutions for the benefit of its inhabitants and business."[23]
  • Frost & Sullivan 2014: "We identified eight key aspects that define a smart city: smart governance, smart energy, smart building, smart mobility, smart infrastructure, smart technology, smart healthcare and smart citizen."[24]
  • Giffinger et al. 2007: "Regional competitiveness, transport and
    Information and Communication Technologies economics, natural resources, human and social capital, quality of life, and participation of citizens in the governance of cities."[25]
  • Indian Government 2015: "Smart city offers sustainability in terms of economic activities and employment opportunities to a wide section of its residents, regardless of their level of education, skills or income levels."[26]
  • Institute of Electrical and Electronics Engineers, 23 Apr 2019:[27] "A smart city brings together technology, government and society to enable the following characteristics: a smart economy, smart mobility, a smart environment, smart people, smart living, smart governance."[28][27]
  • Paiho et al. 2022: Smart city is a city that uses technological solutions to improve the management and efficiency of the urban environment. Typically, smart cities are considered being advanced in six fields of actions, namely "smart government", "smart economy", "smart environment", "smart living", "smart mobility", and "smart people".[6]
  • Smart Cities Council, 1 May 2013 : "A smart city [is] one that has digital technology embedded across all city functions"[29][30]

In the context of China, smart city concepts are focused on enhancing urban management and services through information technology advancements like the internet of things, big data, 5G technology, cloud computing, and artificial intelligence.[15]: 72 

Characteristics

It has been suggested that a smart city (also community,

information technologies
to:

  1. Make more efficient use of physical infrastructure (roads,
    data analytics in order to support a strong and healthy economic, social, cultural development.[31]
  2. Engage effectively with local governance
    co-design.[33][34]
  3. Learn, adapt and innovate and thereby respond more effectively and promptly to changing circumstances by improving the intelligence of the city.[11][35]

They evolve towards a strong integration of all dimensions of

telecommunication networks (the nerves), ubiquitously embedded intelligence (the brain), sensors and tags (the sensory organs), and software (the knowledge and cognitive competence)".[38]

These forms of intelligence in smart cities have been demonstrated in three ways:

Bletchley Park is often considered to be the first smart community.
  1. Orchestration intelligence:[11] Cities establish institutions and community-based problem solving and collaborations, such as in Bletchley Park, where the Nazi Enigma cipher was decoded by a team led by Alan Turing. This has been referred to as the first example of a smart city or an intelligent community.[39]
  2. Empowerment intelligence: Cities provide open platforms, experimental facilities and smart city infrastructure in order to cluster innovation in certain districts. These are seen in the Kista Science City in Stockholm and the Cyberport Zone in Hong Kong. Similar facilities have also been established in Melbourne and Kyiv.[40]
  3. Instrumentation intelligence: City infrastructure is made smart through real-time data collection, with analysis and predictive modelling across city districts. There is much controversy surrounding this, particularly with regards to surveillance issues in smart cities. Examples of Instrumentation intelligence are those implemented in Amsterdam.[41] This is realized through:[11]
    1. A common IP infrastructure that is open to researchers to develop applications.
    2. Wireless meters and devices transmit information at the point in time.
    3. A number of homes being provided with
      smart energy meters
      to become aware of energy consumption and reduce energy usage.
    4. garbage compactors, car recharging stations and energy saving lamps
      .

Some major fields of intelligent city activation are:

Innovation economy Urban infrastructure Governance
Innovation in industries, clusters, districts of a city Transport Administration services to the citizen
Knowledge workforce: Education and employment Energy / Utilities Participatory and direct democracy
Creation of knowledge-intensive companies Protection of the environment / Safety Services to the citizen; quality of life

According to David K. Owens, the former executive vice president of the Edison Electric Institute, two key elements that a smart city must have are an integrated communications platform and a "dynamic resilient grid."[42]

Data collection

Smart cities have been conceptualized using the OSI model of 'layer' abstractions. Smart cities are constructed by connecting the city's public infrastructure with city application systems and passing collected data through three layers, the perception layer, the network layer and the application layer. City application systems then use data to make better decisions when controlling different city infrastructures. The perception layer is where data is collected across the smart city using sensors. This data could be collected through sensors such as cameras, RFID, or GPS positioning. The perception layer sends data it collects using wireless transmissions to the network layer. The network layer is responsible for transporting collected data from the perception layer to the application layer. The network layer utilizes a city's communication infrastructure to send data meaning it can be intercepted by attackers and must be held responsible for keeping collected data and information private. The application layer is responsible for processing the data received from network layer. The application layer uses the data it processes to make decisions on how to control the city infrastructure based on the data it receives.[43][44]

Frameworks

The creation, integration, and adoption of smart city capabilities require a unique set of frameworks to realize the focus areas of opportunity and innovation central to smart city projects. The frameworks can be divided into 5 main dimensions which include numerous related categories of smart city development:[45]

Technology

A smart city relies heavily on the deployment of technology. Different combinations of technological infrastructure interact to form the array of smart city technologies with varying levels of interaction between human and technological systems.[46]

  • Digital: A service oriented infrastructure is required to connect individuals and devices in a smart city. These include innovation services and communication infrastructure. Yovanof, G. S. & Hazapis, G. N. define a digital city as "a connected community that combines broadband communications infrastructure; a flexible, service-oriented computing infrastructure based on open industry standards; and, innovative services to meet the needs of governments and their employees, citizens and businesses."[47]
  • Intelligent: Cognitive technologies, such as artificial intelligence and machine learning, can be trained on the data generated by connected city devices to identify patterns. The efficacy and impact of particular policy decisions can be quantified by cognitive systems studying the continuous interactions of humans with their urban surroundings.[48]
  • Ubiquitous: A ubiquitous city provides access to public services through any connected device. U-city is an extension of the digital city concept because of the facility in terms of accessibility to every infrastructure.[49]
  • Wired: The physical components of IT systems are crucial to early-stage smart city development. Wired infrastructure is required to support the IoT and wireless technologies central to more interconnected living.[50] A wired city environment provides general access to continually updated digital and physical infrastructure. The latest in telecommunications, robotics, IoT, and various connected technologies can then be deployed to support human capital and productivity.[51][52]
  • Hybrid: A hybrid city is the combination of a physical conurbation and a
    virtual city related to the physical space. This relationship can be one of virtual design or the presence of a critical mass of virtual community participants in a physical urban space. Hybrid spaces can serve to actualize future-state projects for smart city services and integration.[53]
  • Information city: The multiplicity of interactive devices in a smart city generates a large quantity of data. How that information is interpreted and stored is critical to Smart city growth and security.[54]

Human

Smart city initiatives have measurable positive impacts on the quality of life of its citizens and visitors.[55] The human framework of a smart city – its economy, knowledge networks, and human support systems – is an important indicator of its success.[56]

  • Creativity: Arts and culture initiatives are common focus areas in smart city planning.[57][58] Innovation is associated with intellectual curiosity and creativeness, and various projects have demonstrated that knowledge workers participate in a diverse mix of cultural and artistic activities.[59][60]
  • Learning: Since mobility is a key area of Smart city development, building a capable workforce through education initiatives is necessary.[56] A city's learning capacity includes its education system, including available workforce training and support, and its cultural development and exchange.[61]
  • Humanity: Numerous Smart city programs focus on soft infrastructure development, like increasing access to voluntary organizations and designated safe zones.[62] This focus on social and relational capital means diversity, inclusion, and ubiquitous access to public services is worked in to city planning.[52]
  • Knowledge: The development of a knowledge economy is central to Smart city projects.[63] Smart cities seeking to be hubs of economic activity in emerging tech and service sectors stress the value of innovation in city development.[52]

Institutional

According to

school overcrowding
and air pollution.

Technological propagation is not an end in itself, but a means to reinventing cities for a new economy and society.[52][59] Smart city initiatives require co-ordination and support from the city government and other governing bodies for their success. As has been noted by Fleur Johns, the increasing and evolving use of data has significant implications at multiple levels of governance. Data and infrastructure include digital platforms, algorithms, and the embedding of information technology in the physical infrastructure of smart cities. Digital technology has the potential to be used in negative as well as positive ways, and its use is inherently political.[32] Care needs to be taken to ensure that the development of smart cities does not perpetuate inequalities and exclude marginalized groups in relation to gender,[65][66] age,[67][68] race, and other human characteristics.[69]

The importance of these three different dimensions is that only a link among them can make possible the development of a real smart city concept. According to the definition of smart city given by

sustainable growth and enhance quality of life, through participatory governance.[20]

Energy

Smart cities use data and technology to create efficiencies, improve sustainability, create economic development, and enhance quality of life factors for people living and working in the city. A variety of different datasets may need to be integrated to create a smart energy infrastructure.[70] More formally, a smart city is: "An urban area that has securely integrated technology across the information ... and Internet of Things (IoT) sectors to better manage a city’s assets."[71] Employment of smart technologies enables the more efficient application of integrated energy technologies in the city allowing the development of more self-sustaining areas or even Positive Energy Districts that produce more energy than consume.[72]

A smart city is powered by "smart connections" for various items such as street lighting, smart buildings, distributed energy resources (DER), data analytics, and smart transportation. Amongst these things, energy is paramount; this is why utility companies play a key role in smart cities. Electric companies, working partnership with city officials, technology companies and a number of other institutions, are among the major players that helped accelerate the growth of America's smart cities.[73]

Data management

Smart cities employ a combination of data collection, processing, and disseminating technologies in conjunction with networking and computing technologies and data security and privacy measures encouraging the application of innovation to promote the overall quality of life for its citizens and covering dimensions that include: utilities, health, transportation, entertainment and government services.[74]

Roadmap

A smart city roadmap consists of four/three (the first is a preliminary check) major components:[5][75]

  1. Define exactly what is the community: maybe that definition can condition what you are doing in the subsequent steps; it relates to geography, links between cities and countryside and flows of people between them; maybe – even – that in some Countries the definition of City/community that is stated does not correspond effectively to what – in fact – happens in real life.
  2. Study the Community: Before deciding to build a smart city, first we need to know why. This can be done by determining the benefits of such an initiative. Study the community to know the citizens, the business's needs – know the citizens and the community's unique attributes, such as the age of the citizens, their education, hobbies, and attractions of the city.
  3. Develop a smart city Policy: Develop a policy to drive the initiatives, where roles, responsibilities, objective, and goals, can be defined. Create plans and strategies on how the goals will be achieved.
  4. Engage The Citizens: This can be done by engaging the citizens through the use of e-government initiatives, open data, sport events, etc.

In short, People, Processes, and Technology (PPT) are the three principles of the success of a smart city initiative. Cities must study their citizens and communities, know the processes, business drivers, create policies, and objectives to meet the citizens' needs. Then, technology can be implemented to meet the citizens' need, in order to improve the quality of life and create real economic opportunities. This requires a holistic customized approach that accounts for city cultures, long-term city planning, and local regulations.

Whether to improve security, resiliency, sustainability, traffic congestion, public safety, or city services, each community may have different reasons for wanting to be smart. But all smart communities share common attributes—and they all are powered by smart connections and by our industry's smarter energy infrastructure. A smart grid is the foundational piece in building a smart community.

— Pat Vincent-Collawn, chairman of the Edison Electric Institute and president and CEO of PNM Resources.[76]

History

For a detailed look at the history of the concepts of smart cities see: History of Smart Cities

Early conceptions and failures

Early conceptions of future smart cities were found in utopian works such as New Atlantis.[77] The idea and existence of smart cities is relatively new. Following in the path of "Wired Cities" and "Intelligent Cities", the concept of the smart city is focused on a city’s use of ICT in urban problem-solving. The use of computational statistical analysis by the Community Analysis Bureau in Los Angeles in the late 1960's[78] and the establishment by Singapore of the National Computer Board in 1981 are cited as among the earliest cybernetic interventions into urban planning.[79]

Modern conceptions

Cisco Systems, with $25 million from the Clinton Foundation, established its Connected Urban Development program in partnership with San Francisco, Amsterdam, and Seoul. In 2011, a Smart City Expo World Congress was held in Barcelona, in which 6000 people from 50 countries attended. The European Commission in 2012 established the Smart Cities Marketplace, a centralized hub for urban initiatives in the European Union.[81]
The 2015 Chancellor’s Budget for the United Kingdom proposed to invest £140 million in the development of smart cities and the Internet of Things (IoT).[82] Other smart city competitions were launched in the 2010s by
Dallas, Texas.[83]

China's smart cities movement began with a pilot program launched in 2012 through its Ministry of Housing and Urban-Rural Development.[15]: 58–59  The development of smart cities is addressed in China's National New-Type Urbanization Plan for 2014-2020.[15]: 59–60  It identifies six important aspects for developing smart cities: (1) information network and broadband, (2) digitization of planning management, (3) smart infrastructure, (4) convenience of public services, (5) modernizing industrial development, and (6) sophisticated social governance.[15]: 60 

As of 2016, there were approximately 500 smart city projects in China.[15]: 59  In 2021, China took first in all categories of the International AI City Challenge, demonstrating the national commitment to smart city programs – "by some estimates, China has half of the world’s smart cities".[84] As time goes on the percentage of smart cities in the world will keep increasing, and by 2050, up to 70% of the world's population is expected to inhabit a city.[85]

Policies

ASEAN Smart Cities Network (ASCN) is a collaborative platform which aims to synergise Smart city development efforts across ASEAN by facilitating cooperation on smart city development, catalysing bankable projects with the private sector, and securing funding and support from ASEAN's external partners.

The European Union (EU) has devoted constant efforts to devising a strategy for achieving "smart"

global market for smart urban services will be $400 billion per annum by 2020.[89]

The Smart Cities Mission is a retrofitting and urban renewal program being spearheaded by the Ministry of Urban Development, Government of India. The Government of India has the ambitious vision of developing 100 cities by modernizing existing mid-sized cities.[90]

Technologies

Smart grids are an important technology in smart cities. The improved flexibility of the smart grid permits greater penetration of highly variable renewable energy sources such as solar power and wind power. The modern smart city policy also focuses on online monitoring of real time energy consumption of households and businesses, identification of problems with energy efficiency, adjusting tariffs to achieve resource saving and ecology goals, stimulating sustainable buildings. [91]

Mobile devices (such as smartphones and tablets) are another key technology allowing citizens to connect to the smart city services.[92][93][94]

Smart cities also rely on

technology used in them.[95]
[96][97][98][99]

Bicycle-sharing systems are an important element in smart cities.[100]

Smart mobility is also important to smart cities.[101]

Intelligent transportation systems and CCTV systems are also being developed.[102]

Digital libraries have been established in several smart cities.[103][104][105][106][107][108]

Online collaborative sensor data management platforms are on-line database services that allow sensor owners to register and connect their devices to feed data into an on-line database for storage and allow developers to connect to the database and build their own applications based on that data.[109][110]

Additional supporting technology and trends include remote work,[111][112][113] telehealth,[114][115] the blockchain,[116][117] online banking technology,[118]

Electronic cards (known as

e-services) without setting up multiple accounts. The single identifier allows governments to aggregate data about citizens and their preferences to improve the provision of services and to determine common interests of groups. This technology has been implemented in Southampton.[16]

In 2022, the Russian corporation Rostec developed the SmartAirKey. This is an electronic key that gives access to doors, barriers, elevators and turnstiles. Registration takes place through the "Gosuslugi"[119][120]

Retractable bollards allow to restrict access inside city centers (i.e. to delivery trucks resupplying outlet stores). Opening and closing of such barriers is traditionally done manually, through an electronic pass[121] but can even be done by means of ANPR cameras connected to the bollard system.[122]

Energy Data Management Systems (EDMS) can help to save cities energy by recording data and using it to increase efficiency.[123]

Cost-benefit analysis

Cost-benefit analysis has been done into smart cities and the individual technologies. These can help to assess whether it is economically and ecologically beneficial to implement some technologies at all, and also compare the cost-effectiveness of each technology among each other[124][125][126][127]

Commercialization

Large IT, telecommunication and energy management companies such as Apple, Baidu, Alibaba, Tencent, Huawei, Google, Microsoft, Cisco, IBM, and Schneider Electric launched market initiatives for intelligent cities:

Chinese enterprises

Alibaba has created the City Brain.[133][134] Baidu is working on Apollo, a self-driving technology.[135] Tencent is working on medical technology,[135] such as WeChat Intelligent Healthcare, Tencent Doctorwork, and AI Medical Innovation System (AIMIS).[136]

As of at least 2024, "Safe City" digital products have been increasingly marketed abroad by Chinese companies like Dahua Technology, Huawei, ZTE, and Hikvision.[137]: 80  Huawei has its Safe City Compact Solution which focuses on improving safety in cities.[138][139][140]

Research

University research labs developed prototypes for intelligent cities.

Criticism

See also: Surveillance issues in smart cities

The criticisms of smart cities are varied:[31]

  • The high level of big data collection and analytics has raised questions regarding surveillance in smart cities, particularly as it relates to predictive policing and abuse by law enforcement.
  • A bias in strategic interest may lead to ignoring non-ICT centered modes of promising urban development.[153]
  • A smart city, as a scientifically planned city, would defy the fact that real development in cities is often haphazard and participatory. In that line of criticism, the smart city is seen as unattractive for citizens as they "can deaden and stupefy the people who live in its all-efficient embrace".[154]
  • The focus of the concept of smart city may lead to an underestimation of the possible negative effects of the development of the new technological and networked infrastructures needed for a city to be smart.[155]
  • As a
    capital mobility, following a business-oriented model may result in a losing long-term strategy: "The 'spatial fix' inevitably means that mobile capital can often 'write its own deals' to come to town, only to move on when it receives a better deal elsewhere. This is no less true for the smart city than it was for the industrial, [or] manufacturing city."[31]
  • In the smart city environment there are many threats that affect the privacy of individuals. The technology is involved in scanning, identification, checking the current location, including time and direction of movement. Residents may feel that they are constantly monitored and controlled.[156]
  • As of August 2018, the discussion on smart cities centers around the usage and implementation of technology rather than on the inhabitants of the cities and how they can be involved in the process.[157]
  • Especially in low-income countries, smart cities are irrelevant to the urban population which lives in poverty with limited access to basic services. A focus on smart cities may worsen inequality and marginalization.[158]
  • If a smart city strategy is not planned for people with accessibility problems, such as persons with disabilities affecting mobility, vision, hearing, and cognitive function, the implementation of new technologies could create new barriers.[159]
  • Digitalization can have a significant environmental footprint and there is potential for the externalization of environmental costs onto outside communities.[160][161][162]
  • Smart city can be used as a slogan only for land revenue generation, especially in the Global South.[163]
  • Urban planning professor Jennifer Clark writes
    ride-hailing services and online food ordering
    ) or which solve a specific problem of municipal government.

See also

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Further reading

External links

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