A Survey of Cognitive Radio Systems Željko Tabaković Croatian Post and Electronic Communications Agency‚ Jurišićeva 13‚ Zagreb‚ Croatia zeljko.tabakovic@hakom.hr Abstract - A fundamental problem facing the future wireless systems is where to find suitable spectrum bands to meet the demand of future services. While essentially all of the radio spectrum is allocated to different services‚ applications and users‚ observation provide evidence that usage of the spectrum is actually quite low.
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Roles and functions of radio in society Radio is an electronic medium of audio communication Functions and roles Information .Through news‚ talk shows‚ adverts and other programmes‚ radio creates awareness in society of what is happening within and outside agiven the society. For example focus on Africa programme on BBC world service radio. Education. Through the documentaries‚ drama and quiz shows aired onradio. Society members are able to draw lessons. Look at instance of playson Hiv/Aids‚ agriculture
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News in Radio An Annotated Bibliography Steven Castellano Monmouth University News in Radio People are interested in hearing something new everyday on broadcasting radio stations. It can be news‚ music‚ sports‚ etc. What is interesting is how news from a radio station snatches a huge number of audiences. It is well known that people are interested in particular topics that keep them tuned in for new news content. Studies and writings published by researchers in this topic have been evaluating
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Radio is widely used mass communication medium and has a great potentiality in dissemination of information as radio signals cover almost entire world. More than 177 radio stations are there across the country. Almost 97 percent of the population is reached by the radio. Radio being a convenient form of entertainment caters to a large audience. With the invention of transistors this medium has reached the common man in urban and rural areas of India but the utilization of radio is more among rural
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XM Satellite Radio 1. Value proposition of XM to different consumer segments and primary target segment. XM had developed the capability to provide 50+ high quality (near CD quality) digital radio channels to cars and homes via satellite throughout the country. Such a service was not available before and has the ability to deliver uninterrupted service without any retuning needed. The value proposition here is high quality and ubiquitous radio broadcast‚ in addition to the variety of
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September 26‚ 2011 10:52 WSPC/INSTRUCTION FILE 14˙Sahpankum Asian-European Journal of Mathematics Vol. 4‚ No. 3 (2011) 523–544 c World Scientific Publishing Company DOI: 10.1142/S1793557111000435 ON RADIO NUMBER OF POWER OF CYCLES Laxman Saha∗ ‚ Pratima Panigrahi† and Pawan Kumar‡ Department of Mathematics‚ IIT Kharagpur Kharagpur‚ West Bengal 721302‚ India ∗laxman.iitkgp@gmail.com †pratima@maths.iitkgp.ernet.in ‡pawan@maths.iitkgp.ernet.in Communicated by M. R. R. Moghaddam
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Keith Haring and Andy Warhol were both very famous American artists and are pop artists. Although they both did pop art‚ they were known for different reasons and became artists in different ways. Keith Haring was a social activist and was known for his inspiring cartoon graffiti against drug addiction‚ diseases‚ etc. Some of his artworks are‚”Crack is Wack” and “Ignorance Equals Fear”. He died at the age 31 because of AIDS complications.On the other hand‚ Andy Warhol was known as a leading figure
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Andy Wirth is a famous name of the hotel industry and mountain resorts and also a great contributor to community service and environmental organizations in the area of Lake Tahoe‚ focusing to generally improve the area for people of every age. Wirth is a also a member of the Tahoe Fund “Founders Circle” and is a recipient of numerous professional‚ philanthropic and community service awards. Recently‚ the Reno Gazette-Journal published here: http://www.rgj.com/story/opinion/voices/2015/09/11/op-e
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1. What is the relationship between radio airplay and record sales? Beginning in the 1950’s‚ radio stations play began to affect record sales. Radio stations began to play a variety of songs‚ including artists such as Elvis Presley and Bill Haley. When people heard songs they enjoyed on the radio‚ they tuned in to hope to hear the song again at some point. This drive to listen to these tunes help contribute to the record store boom. People would have to buy records to control when they could listen
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1) The first item that I chose to represent myself was my plane ticket to Europe. For spring break in 2012‚ my soccer team and I went to the Netherlands and England to play soccer for 10 days. It was a great trip that included site seeing‚ lots of touring and playing some of the soccer club over there. I chose this item to represent myself because it was the best vacation that I have ever been. The second item that I have chosen to represent myself is a picture of my family and I. My family
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