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Click to allow Flash After you enable Flash, refresh this page and the presentation should play. View by Category Toggle navigation. Products Sold on our sister site CrystalGraphics. Title: Wireless Communication. Tags: communication wireless. Latest Highest Rated. Where has it come from in the last decade?
What is its future potential? Why is wireless channel different from wired? How does wireless design overcome the challenges of the channels and interference?
What are key wireless communication concepts? Characteristics Mostly radio transmission, new protocols for data transmission are needed Advantages Spatial flexibility in radio reception range Ad hoc networks without former planning No problems with wiring e. Disadvantages Generally very low transmission rates for higher numbers of users Often proprietary, more powerful approaches, standards are often restricted Many national regulations, global regulations are evolving slowly Restricted frequency range, interferences of frequencies Nevertheless, in the last years, it has really been a wireless revolution 29 The Wireless Revolution Cellular is the fastest growing sector of communication industry exponential growth sincewith over 2 billion users worldwide today Three generations of wireless First Generation 1G Analog 25 or 30 KHz FM, voice only, mostly vehicular communication Second Generation 2G Narrowband TDMA and CDMA, voice and low bit-rate data, portable units.
In the same period, the Internet grew from being a curious academic tool to about 1 billion users. Broadband internet access is also growing rapidly 31 Sept figures 2.Why don't fictional characters say "goodbye" when they hang up a phone? All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.
Hottest Questions. Previously Viewed. Unanswered Questions. Wireless Communication. Human Resources. What is the Conclusion for wireless communication? Wiki User The conclusion for wireless communication is that it will generally improve communication. However, there are some technological challenges that need to be addressed.
Asked in Wireless Communication Powerpoint paper presentation on wireless communication? Asked in Telecommunications, Wireless Communication What are the different types of wireless communication in networking? Asked in Web Usability How is wireless web communication possible?
Asked in Electronics Engineering, Telecommunications, Wireless Communication What is the Simple block diagram of wireless communication? Asked in Telecommunications, Wireless Communication, The Difference Between What is the difference between wide communication and wireless communication?
Wireless allowed widespread, i. Asked in Telecommunications, Wireless Communication What is wireless communication media? Wireless communication is a type of communication in which uses infrared and radio frequencies to transfer data to several devices.
Wireless communication media is media that facilitates the passing of the data, such as a LAN. Pagers are a form of wireless communication. Asked in Speech Writing Types of wireless communication?
One type of wireless communication is smart phones. Other types of wireless communications are cell phones, tablets, and iPads.Cassina bim
Ira Brodsky has written: 'Wireless' -- subject s : Wireless communication systems, Personal communication service systems 'The history of wireless' -- subject s : Wireless communication systems, Technological innovations, Telecommunication, Telematics.
Asked in Electronics Engineering, Telecommunications, Wireless Communication What advantages does wireless communication has over optical fiber? The advantage of wireless communication over optical fiber are as follows : the cost of wireless communication is much less over optical fiber communication : unlimited no of users can be installed which is not so easier in Optical fibers : maintanence of wireless communcation system is cheaper than Optical fiber communication.
Asked in Electronics Engineering, Telecommunications, Wireless Communication What are some wireless communication systems? Wireless communication systems include pagers, cellular phones, personal communications systems.
Asked in Wireless Communication Is a land line considered wireless communication? Even if you plug a wireless telephone into a land line, it is still not considered wireless communication because it is tethered to the hardwired telephone jack.
Asked in Computer Networking, Telecommunications, Wireless Communication What type of transmission medium is used by wireless communication? Asked in Computers What is the Conclusion on advantages and disadvantages of communication technology? The conclusion on advantages and disadvantages of communication technology vary depending on the type of communication. In most cases, the advantages seem to outweigh the disadvantages.
Asked in Internet, Telecommunications, Wireless Communication What are the advantages of wireless communication? There are several advantages of wireless communication. A few advantages are enhanced productivity, emergency alerts, and remote area connectivity.From this beginning, wireless communications has developed into a key element of modern society. From satellite transmission, radio and television broadcasting to the now ubiquitous mobile telephone, wireless communications has revolutionized the way societies function.
History: The term "Wireless" came into public use to refer to a radio receiver or transceiver, establishing its usage in the field of wireless telegraphy early on Now the term is used to describe modern wireless connections such as in cellular networks and wireless broadband Internet.
It is also used in a general sense to refer to any type of operation that is implemented without the use of wires, such as "wireless remote control" or "wireless energy transfer", regardless of the specific technology that is used to accomplish the operation.
The distances involved may be short a few meters as in television remote control or long thousands or millions of kilometers for radio communications. When the context is clear, the term is often shortened to "wireless".
Wireless communication is generally considered to be a branch of telecommunications. In the US the frequencies that are available for use for communication are treated as a public resource and are regulated by the Federal Communications Commission. This determines which frequency ranges can be used for what purpose and by whom. Commonly, remote controls are consumer IR devices used to issue commands from a distanceto TV or DVD Most of these remotes communicate to their respective devices via infrared signals and few radio signals.
These instruments use radio waves to enable the operator to make phone calls from many locations world-wide. Wi Fi phones provides you with a new and costeffective way to talk over the Internet, with great functionality like 3G Calling, Call Waiting, Call Transfer and many other useful features.
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Automatically changes to Flash or non-Flash embed. WordPress Embed Customize Embed. URL: Copy. Rajan Govinda Saindane. Raisoni Polytechnic, Jalgaon. In the s, licensed amateur radio operators received permission from the FCC to transmit data on several radio frequencies. With licensed frequency band, companies purchase spectrum licenses from the FCC. Inunlicensed devices was launched by FCC.
Unlicensed devices continue to advance the public interest, necessity, and convenience. Licensed solutions can transmit at higher powers. Unlicensed spectrum is regulated by the FCC. Unlicensed spectrum has supported utility communications for nearly two decades. Unlicensed spectrum is used for other critical communications.
Licensed solutions avoid interference, making them more robust than unlicensed solutions. A License Protects Me from Interference. Security is unrelated to whether a wireless system operates on licensed or unlicensed spectrum. Unlicensed equipment can tolerate an increasingly crowded spectrum while delivering superior performance, offering an excellent option to extend network capabilities as an addition to, or replacement for, licensed equipment.
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The presentation is successfully added In Your Favorites. Views: Introduction to Telecommunication. Communication is a process in which information is transferred from source to destination. Information can be in any form e. Voice communication is the simplest mode of communication. People also use facial expressions and body language to communicate with each other. We have been using communication technology for years.
Communications, or telecommunication, technology consists of electromagnetic devices and systems for communicating over long distance. The principle examples are telephone, radio, television, and cable. Before s computer technology and communications technology developed independently, like rails in a railroad track that never merge. Since then, however they have gradually fused together, producing a new information environment. Basic Communications System Elements:.
Purpose of a Communication System:. Wireless Telecommunications. With the invention of the radio, expensive cabling requirements were eliminated and transoceanic wireless communication became possible. Radio was invented by Marconi an Italian scientist in In radio communication the information signal is converted into an electromagnetic wave form and is broadcast in space using radiating devices known as antennas.
Brief History of Wireless Communications:. Transoceanic Communication. Voice over Radio. Birth of Mobile Telephony. Cellular Mobile Telephony. PCS and Beyond.
Third Generation Wireless 3G contains a group of standards to support broadband voice, data and multi-media communications over wireless networks. The Telecom Generations Search this site. Transmission Multiple Access Techniques. Principle of CDMA.
Handoff in CDMA. CDMA User identification parameters. PN Codes. Walsh Codes.Russian dlpt prep
Introduction to Telecommunication Communication is a process in which information is transferred from source to destination. Capacity may be measured in bits per second bps or in call capacity. Information maybe of different natures, such as voice, video, or data produced by a computer.
Deliver information in shortest time delay. Delays are measured in milliseconds or in round trip delay. Wireless Telecommunications With the invention of the radio, expensive cabling requirements were eliminated and transoceanic wireless communication became possible. Introduction to Telecommunication Introduction to Telecommunication Communication is a process in which information is transferred from source to destination.By Marty Brounstein, Malcolm Kushner.
These phrases say nothing and stop your presentation rather than finish it. A good conclusion brings closure to a presentation and also seeks a lasting impact. Because the conclusion is the last part of the talk, it is often the part the audience remembers best. So you want to leave them with a bang. Here are six techniques that can help you bring positive closure to a presentation:.
Recap: A recap is a summary of the main points covered in your talk. You want it brief, generally covering no more than three or four points. Repeat core message: This technique ends your presentation by briefly emphasizing the theme that you have carried throughout the talk. It works really well when your introduction raised this theme and you want to wrap it up in the end.
Call to action: With this closing technique, you finish by requesting that the audience take some kind of action. That action can be implementing an idea that they have gained from your talk or doing something to support a cause. Quote: This technique works best when you can come up with a witty or interesting line that wraps up your presentation nicely.
As you do in an introduction, you want to identify the source of the quote and tie it to your main point. Rhetorical question: In this technique, you leave the audience with a thought-provoking question. Story: A story often makes for a nice close to a presentation. To make a story work in a conclusion, you want it to be relatively brief and to illustrate a point that ties to what the whole presentation was about.5G Introduction course - TELCOMA Training
How to Write a Conclusion for a Presentation. About the Book Author Malcolm Kushner Santa Cruz, CA is an internationally acclaimed consultant on humor and communication as well as a professional speaker and trainer.
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