The performance of data transfers between interconnected parts of the city can increase when it is based on a next generation optical network that offers high data rates and low error rate. Smart cities of the future will be based upon digital technologies to reduce costs and resource consumption. Traditional structures cannot satisfy the late hunger for instant communication and transfer of a huge amount of data, for example, video streaming. Heading to the modern age, city authorities have to adjust the local structure of communications to achieve speed, quality, low energy consumption, and consistency. Varvarigos, in Smart Cities and Homes, 2016 1.1 Convergence to the digital communication age
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Two-way radios, on the other hand, tend to be far more durable, run on lithium ion batteries, and require a frequency license that provides private, in-house communication.Ĭ.A. Even worse, imagine attempting to communicate internally during an emergency only to experience interruption due to external cross-talk. Imagine hearing one of those individuals hurl an expletive that is received on the walkie-talkies your recess monitors are carrying near young students. In other words, local entities may also use common band frequencies.
In addition, the frequencies they utilize are common band. Walkie-talkies can be purchased at a department store, are made of inexpensive materials, and generally run on basic batteries. To ensure that your two-way radio system is effective, consider the following questions.ĭo you have walkie-talkies or two-way radios? Making a distinction may sound petty, but can be critical. They provide one-button, instant communications with an entire group of individuals across a campus. Two-way radios are one of the most effective means of on-site communications. Paul Timm PSP, in School Security (Second Edition), 2021 Two-way radios These unique features of real-time digital tools facilitate both distance and collocated collaboration and communication in digital environments. In Google Docs, information is provided about who else is viewing a document through a display of active collaborator names (see Figure 3.3 on p. This information is necessary to identify potential communication partners.
For instance, Facebook provides information about a user’s current login status by displaying in the chat window a green dot next to those users who are logged into the site. Another central feature of real-time digital tools is that they signal the presence and availability of other users by displaying notification regarding whether a contact has logged in or logged out. Key features that distinguish real-time digital tools from other tools include the immediacy of messages and updates and the inclusion of tracking tools ( Quan-Haase et al. Note: the various tools were tested on 23 November 2011. Excellent: integrated with real-time chat
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