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Karapuchelo2020-03-25 18:55:38
satellite navigation
Karapuchelo, 2020-03-25 18:55:38

What is the relevance of the diploma on the topic "GSM module for monitoring public transport"?

What could be the relevance for the diploma on the topic "GSM module for monitoring public transport"?
In fact, it is necessary to design a device that determines the coordinates of a vehicle using GPS / GLONASS and sends and sends them via GSM to a mobile phone. But the problem is that it is necessary to come up with the relevance of the device, i.e. in fact, a feature that is almost never used by analogues, or something like that. There are a lot of analogues, and it feels like they have all the functionality that is possible and you will not find anything relevant. The only thing I thought of was the use of BeiDou and GALILEO, but I'm not sure if this is feasible.
What are the nuances in the fields of cellular communications and satellite navigation that can be used to make my topic relevant?

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Sergey Pankov, 2020-03-25
@trapwalker

Something is mixed up, as if we are talking about an ordinary GPS tracker, and its hardware implementation, of which there are quite a lot.
It is not clear from the question how rigid these formulations are in terms of a set of technologies and appointments.
For example, if GSM were not fundamental, then the market for devices capable of effectively sending tracks over slow shortwave radio channels would be poorly covered. In public transport areas, although this is not so relevant, but, for example, a bidirectional QRP pager for travelers, mountain tourists, survivalists is a cool topic. Yes, the signal "everything is ok with me, I'm here, I'm going here" will be sent for several hours, but the device hangs on a tent with a solar battery to the sky and an unwound antenna on a tree and does not ask for food.
You are now concentrating on sending a track in real time, and try to detect the situation on the route by the dynamics of coordinate changes and according to data from accelerometers. You can make a block that will announce stops by voice, show a dynamic mini-map of the route on the monitor, make forecasts for arrival at key stops... Of course, this is more of a backend task.
Personally, I don’t understand why so far no one has made a voice answering machine, which, using a unique extension number of the stop, would answer with a short story when which bus will arrive and which ones should not be expected today. If you want to participate in this, I have a domain for such a project steptobus.ru, let's collaborate.
If the topic of transport is not very important, but GSM and GPS are your topic, then I can offer the idea of ​​a CORRECT children's phone-tracker.
All these smart watches in children live on the strength of a couple of days from the battery, and the rest of the time they are discharged and forgotten before any exit from the house. A normal children's tracker should be like a Tamagotchi, that is, competently and in time to remind the childabout the need for charging, about the need to go to the window if satellites have not been caught for a long time, about the fact that his parents are looking for him. It makes no sense to ring about a low charge if the child is not at home or carries the device in his pocket. In these cases, you need to go deeper into power-saving mode so that at least less often, but still smoothly and regularly send status information to the server. The panic button must be efficient and reliable, and the device must be able to call 112 after unsuccessfully calling the parents’ emergency numbers and read the coordinates and name of the child, parents’ contacts into the line in a clear voice of the robot and play the sounds recorded during the last activity around the device.
The device needs cool interchangeable panels and a set of stl templates for customization using a 3D printer. The device needs a "cozy bed" - a charging cradle. A device lying in a backpack, hanging on keys or outerwear needs an additional lightweight bracelet with a button and a radio link. Such a bracelet is a remote panic button, a way to quickly find the device itself, remotely monitor the condition, temperature and movements of the child, as well as its removal from the Tracker. Design such a tracker in the form factor of a keychain and live on charge for a month with a regression in the frequency of communication, and this will be a cool socially significant project. If you manage to add an emergency shortwave radio beacon to the tracker, then children with such a device will not be hopelessly lost in the forest.
Tourists like me also lack a normal, convenient tracker for keeping a hiking voice log. In principle, you can find a good time recording recorder, plus a separate GPS logger, and this will be a normal solution. But right now there is no good comprehensive solution. I really liked my good old Holux M241 . It lacks a voice recorder and a buzzer to signal the need to replace the battery. If a similar device could send tracks to the server in the presence of GSM, then it would be a cool device for any travelers. It would be ideal to never turn off the sound recording at all. Then you won’t forget anything and it’s easier to write a trip report later if you index your voice.

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freeExec, 2020-03-25
@freeExec

this is the use of BeiDou and GALILEO

This is an innovation of the level "I will use not a square box, but a rectangular one with rounded corners."
Now this GSM works like a pipe in one direction, it's time to get something back. Arrange on trams an analogue of railway signaling. Show for example the free route to the next stop.

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Armenian Radio, 2020-03-25
@gbg

Screw more information taken from the car and protection against deception by drivers.
Add neural networks to navigate not by GPS, but optically - by the image of the surrounding area.
Integrate your system with city infrastructure - traffic lights, passenger flow accounting and more.

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lonelymyp, 2020-03-25
@lonelymyp

Screw a camera and scan faces, compile a database of residents’ movements, scrape social networks in search of photos, create routes for residents’ movement and use targeted advertising for advertising along the route, such as “Go to a cafe such and such, you still drive by every day!”

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