the micro project I scheme DCC Data Communication and Computer Network.
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| the micro project I scheme DCC Data Communication and Computer Network |
Program Name and Code: Data Communication and Computer Network (22414)
Course Name and Code: Co4I [CoB]
Academic Year :
Semester: Four
A MICRO PROJECT ON "Recent and widely used unguided media in industries"
Part A: A micro-project proposal
Recent and widely used unguided media in industries
1.0 Aims/Benefits of the micro project
The aim of this course is to help the student to affined following industry identified related knowledge through various teaching-learning experiences., Recent and widely used unguided media in industries.
3.0 Course outcome addressed.
select relevant transmission media and switching techniques as per need.
4.0 Proposed methodology
In this project, we know about recent and widely used unguided media in industries.
5.0 Action Plan
| Sr. No. | Detail of activity | Plan start date | Plan finish date | Name of responsible team members |
|---|---|---|---|---|
| 1 | Group Discussion | |||
| 2 | Searching project topics in the syllabus | |||
| 3 | Selection of micro-project topic | |||
| 4 | Gathering of information | |||
| 5 | Distribution of work to be done | |||
| 6 | Preparing the report |
6.0 Resources used
| Sr. no. | Name of resource material | Specificions | Quantity |
|---|---|---|---|
| 1 | textbook | DCC TEXTBOOK I SCHEME | 1 |
| 2 | PC | WINDOWS 7 | 1 |
NAME OF TEAM MEMBERS WITH ROLL NO.
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Recent and widely used unguided media in industries
what is unguided media?
An unguided media sort transmission is employed to transmit magnetism waves while not mistreatment any of the physical transmission media. so it's additionally referred to as wireless transmission. unguided media sort includes air because the media wherever magnetism energy may be flown simply with no intrusion or hindrance. Radio waves area unit the magnetism waves that area unit transmitted all told the directions of free areas in AN omnidirectional approach i.e. signals get transmitted all told the direction and is employed wide in propagating the signals chiefly for telecommunication. medium domain has important usage of unguided Media varieties.
Types of Unguided Media
- There are 2 sorts of media kind that are used for transmission and propagation of magnetic force waves and don't get laid low with the curvature of the planet thanks to transmitter and receiver to keep up a correct line of sight.
- The unguided media makes use of an associate antenna initial for transmission and receiving the electromagnetic radiation. Another question that comes into mind is after we have wired or guided media then why will we want unguided media?
- So the answer lies within the incontrovertible fact that it absolutely was impossible to fabricate and install any fiber, wire, and cable on the craggy areas by carving and paving ways in which thus it absolutely was not in the slightest degree counseled for this exception and uses unguided Media varieties.
- The unguided media varieties have the propagation of magnetic force waves from the supply to destination it will be either with the assistance of Ground propagation wherever the propagation is about to the atmosphere i.e. between the region and earth surface.
- The distance traveled by magnetic force waves depends on the facility of propagation.
- Another way of propagation by unguided media varieties is by Sky Propagation wherever the electromagnetic radiation contains a higher frequency that gets radiated up within the atmosphere with relation to the road of sight additionally within the image.
- It is an awfully clear incontrovertible fact that in contrast to guided media unguided Media kind makes use of air as a transmission media rather than wire or cable so coined as wireless transmission media.
- No use of any physical medium for transmission.
3 sorts of unguided Transmission media are as follows:
- Microwave Transmission
- Radio Transmission
- Infrared Transmission
1. Microwave Transmission
Microwave transmission contains associate degree nonparticulate radiation having a variety of frequencies about (1-300GHz).
Propagation of magnetic attraction waves concerning sight is one-directional that doesn't enable any intrusion.
Once the transmission medium faces one another then the communication between 2 endpoints and line of sight becomes contour to determine any association.
Above the 2 purposes area unit cited as supply point from wherever the wave gets generated then the antennae receive the ultimate transmission within the destination finish that is termed as receiving finish.
Characteristics of Microwave:
- Frequency varies: The frequency range of terrestrial microwaves is from 4-6 GHz to 21-23 GHz.
- Bandwidth: It supports the information measure from one to ten Mbps.
- Short distance: it's cheap for a brief distance.
- Long-distance: it's dearly-won because it needs the next tower for an extended distance.
- Attenuation: Attenuation suggests the loss of signal. it's full of environmental conditions and antenna size
Two classes of microwave Transmission area unit as follows :
- Terrestrial sort Microwave Transmission
- Satellite sort Microwave Transmission
Terrestrial sort Microwave Transmission: Terrestrial sort Microwave Transmission each antennas area unit mounted for the signal transmission on each transmittal and receiving sides with the propagation of the microwave that is generally used for telecommunication over the air.
Satellite sort Microwave Transmission: Satellite sort Microwave Transmission possesses the electronic wave that gets transmitted by supply and is a magnetic attraction in nature that possesses some supply containing the transmittal antennae for amplifying the supply wave i.e. a proof and rebroadcasts to the receiver antennae. GPS (Global Positioning System) is one among the most effective appropriate applications for Satellite sort Microwave Transmission.
Satellite Microwave Communication
A satellite may be an entity that revolves around the earth at an illustrious height.
Satellite communication is additional reliable today because it offers additional flexibility than cable and fiber optic systems.
We can communicate with any purpose in the world by victimization satellite communication.
How will Satellite work?
The satellite accepts the signal that's transmitted from the planet station, and it amplifies the signal. The amplified signal is retransmitted to a different earth station.
Advantages Of Satellite Microwave Communication:
- The coverage space of a satellite microwave is over the terrestrial microwave.
- The transmission value of the satellite is freelance of the space from the center of the coverage space.
- Satellite communication is employed in mobile and wireless communication applications.
- It is simple to put in.
- It is utilized in large types of applications like forecasting, radio/TV signal broadcasting, mobile communication, etc.
2 Radio Transmission
Radio waves are terribly low-frequency magnetic force waves that vary from ‘3KHz to 1GHz’.
Once the radio waves are thought-about terribly low-frequency waves then they need the power to urge penetrated inside the walls by receiving signals even though somebody is within the building.
This feature of radio waves prevents you from uninflected communication within and outdoors the building.
The radio emissions get propagated towards the Sky mode and ar position which implies the supplied transmitter whereas transmission the radio wave within the sky and that they get mirrored from the sky that gets the signals received by the receiving antenna.
There is a serious drawback related to Radio Transmission that's being positioned in nature the radio waves face problems like interference if another transmission antenna is causation a sign with identical frequency or information measure.
Applications Of Radio waves:
- An electromagnetic wave is beneficial for multicasting once there's one sender and plenty of receivers.
- An FM radio, television, conductor phones are samples of a electromagnetic wave.
Advantages Of Radio transmission:
- Radio transmission is principally used for wide space networks and mobile cellular phones.
- Radio waves cowl an oversized space, and that they will penetrate the walls.
- Radio transmission provides a better transmission rate.
3.Infrared sort Transmission
Infrared sort wave is that the highest frequency wave that is employed for a variety from 300GHz to four hundred THz.
The infrared transmission is usually used for communication between the supply and destination with a number of the stipulated vary.
Infrared transmission is that the high frequency that can't be used for penetrating the wall simply however differentiation still exists.
There aren't any {ways|ways that|ways in that} or probability of any quiet interference which comes at the time of accessing the tv or the other wave-oriented system.
Waves obtaining emitted get received by the tv so the action is performed on the idea of constructing the wave behave additional sort of a light-weight ray.
As the frequency of the magnetic force waves gets visible and additional it behaves additional like light-weight.
The most unremarkably used example of infrared transmission that we have a tendency to come upon is to create use of operative AC, or the other electronic convenience.
The remote system makes use of magnetic force waves that get raised to move from the electromagnetic wave towards the sunshine.
Infrared-type waves are thought about as a way more secured kind of unguided transmission medium.
Infrared sort waves are robust as a result of it doesn't have any probability of sniffing or spoofing or say any unwanted activities and extremely less probability of vulnerable attacks.
Thus it's not needed to create any license for all the above-named unwanted activities at the time of victimization of these infrared sort waves for transmission.
Characteristics Of Infrared:
- It supports high information measures, and thus the information rate is going to be terribly high.
- Infrared waves cannot penetrate the walls. Therefore, the infrared communication in one space can't be interrupted by the near rooms.
- An infrared communication provides higher security with minimum interference.
- Infrared communication is unreliable outside the building as a result the sun's rays can interfere with the infrared waves.
differences between guided and unguided transmission media
| Guided media | Unguided media |
|---|---|
| The signal need a physical path for transmission. | The signal is broadcasted via air or sometimes water |
| It provides direction to signal for travelling. Twisted pair cable, coaxial cable and fibre optic cable are its types. | not provide any direction. Radio waves, microwave, and infrared are its types. |
| used on earth | use in space |