Analysis Of Mobile Communication Communications Essay

Analysis Of Mobile Communication Communications Essay Wireless communication has become a ubiquitous part of modern life, from global cellular telephone systems to local and even personal-area networks. This book provides a tutorial introduction to digital mobile wireless networks, illustrating theoretical underpinnings with a wide range of real-world examples. The book begins with a review of propagation phenomena, and goes on to examine channel allocation, modulation techniques, multiple access schemes, and coding techniques. GSM and IS-95 systems are reviewed and 2.5G and 3G packet-switched systems are discussed in detail. Performance analysis and accessing and scheduling techniques are covered, and the book closes with a chapter on wireless LANs and personal-area networks. Many worked examples and homework exercises are provided and a solutions manual is available for instructors. The book is an ideal text for electrical engineering and computer science students taking courses in wireless communications. It will also be an invaluab le reference for practicing engineers. Wireless communication technology is diffusing around the planet faster than any other communication technology to date. Because communication is at the heart of human activity in all domains, the advent of this technology, allowing multimodal communication from anywhere to anywhere where there is the appropriate infrastructure, is supposed to have profound social effects. Yet, which kind of effects, under which conditions, for whom and for what is an open question. Indeed, we know from the history of technology, including the history of the Internet, that people and organizations end up using the technology for purposes very different of those initially sought or conceived by the designers of the technology. Furthermore, the more a technology is interactive, and the more it is likely that the users become the producers of the technology in its actual practice. Therefore, rather than projecting dreams and fears on the kind of society that will result in the future from the widespread use of wireless communication, we must root ourselves in the observation of the present using the traditional, standard tools of scholarly research. People, institutions, and business have suffered enough from the unwarranted prophecies of futurologists and visionaries that project and promise whatever comes to their minds on the basis of anecdotal observation and ill understood developments. Thus, our aim in this report is to ground an informed discussion of the social uses and social effects of wireless communication technology on what we know currently (2004) in different areas of the world. We would have like to consider exclusively information and analyses produced within the rigorous standards of academic research. This constitutes a good proportion of the material examined here. The rise of mobile communication Mobile communication has diffused into society at a rate that is unprecedented. On a world basis, the number of mobile phone s rose 24% between 2000 and 2005. According to the International Telecommunications Union (ITU), there was about one telephone subscription for every third person in the world (2005).2 At the same time there were about half as many who had access to the intent (ITU 2005). The highest adoption rates are found in Europe where there are approximately 82 subscriptions per 100 persons. In Oceania (Australia, New Zealand, etc.) there are 69, and in the Americas there are 52 subscriptions per 100 persons. Following this Asia had 22 subscriptions per 100 and Africa had 11. While the adoption rate in Europe has levelled off, there is an almost Klondike like atmosphere in many other countries. The growth rates in India and China are far above 50% per year. In addition, growth in sub-Saharan Africa often tops 100% and sometimes even 200% per year.3 Thus, in the last decade; we have seen the widespread adoption of a new form of communication.

Education Essay Example | Topics and Well Written Essays - 1000 words - 7

Education - Essay Example With education turning out to be one of the most important aspects of one’s life, educators, government authorities and other relevant stakeholders are increasingly concerned about the various challenges that may impede the educational processes. Although, countries of the world have their own educational systems to effectively educate their children and young people, there could be some problems in each of these systems. So, this paper focusing on the educational systems of United States and Middle Eastern countries, will discuss how there are certain inherent problems in both these systems, necessitating reforms. United States is regarded as the most developed nation in various spheres of human existence from economy to science and technology, media power, etc. United States is able to achieve that recognition, not only because of their innovative mindset and hard work, but due to a strong educational system. Although, the educational system is churning out equipped individu als, there are certain facts and issues, which clearly show that the education system in America needs reforms. One of the key facts is the inability of the children, students or young adult to read and write high level language in various fields from science to politics. Michael Moore in his book, Stupid white men-- and other sorry excuses for the state of the nation provides the statistics which depict the levels of literacy among the people in America. â€Å"There are forty-four million Americans who cannot read and write above a fourth-grade level-in other words, who are functional illiterates.† (Moore). He further states that even if the people are able to read, they rarely indulge in reading activities. â€Å"I've also read that only 11 percent of the American public bothers to read a daily newspaper, beyond the funny pages or the used car ads.† (Moore). This implies that though the Americans are educated, they are not utilizing their knowledge to increase their awareness about the world. If these shocking facts about the educational system are focused in an particular perspective, it is clear that the schooling system has some loopholes. Formal education of a child begins in a school and the quality of schooling depends on the variety of factors. The conditions of American public schools particularly regarding the treatment of teachers point towards the lackadaisical attitude of the American government towards education. Teachers and their dedicated efforts are very important in the education of the child. But even these teachers are neglected by the American government and society. They are not adequately paid and this results in low quality of teaching, as the teachers are not encouraged to perform better by recognizing their efforts in form of high wages. â€Å"The twin topics of teacher quality and teacher compensation have garnered considerable attention†¦motivated in part by the desire to increase the quality of individuals who select into the teaching profession, and to prevent attrition.† (). With these problems of underpayment and attrition, it is obvious that the education of children is effected to such an extent they are never able to comprehend true meaning of education. To correct these situation regarding the quality of education and quality of teachers, they have to be paid aptly. â€Å"One obvious policy tool to deal with the quality and distribution of teachers would be to increase teachers' monetary compensation, perhaps in a targeted

Sociology And Social Worlds Essay Example | Topics and Well Written Essays - 2000 words

Sociology And Social Worlds - Essay Example â€Å"Matter† refers â€Å"principally, to the role material objects play in the making of social worlds† (Redman, 2008, p. 8), e.g. money and receipts which help create attachments between people as well as between people and objects. It can be argued that things (or matter) can affect social bonds on their own as well, since they â€Å"have agency as much as people† (Carter & Smith, 2008, qtd. in Redman, 2008, p. 12). Matter is inextricably linked to social attachments as well, both between people and between people and objects, everything material is at some point social and vice versa. There is much that has been said by social constructionists in this regard and this paper attempts to assess the above-mentioned role of matter with regard to what the social constructionists have put forward in this regard. Just how efficacious these arguments are is a matter that will also be addressed herein. In the end, a recommendation is made for more research to be done with regard to the role of matter in our attachment forging. To come back to matter, it may also include certain physical/biological traits, such as gender. But here the question arises if it is indeed gender that causes attachments to be forged between people (for instance mother and child, husband and wife) and not social norms. Thus, social constructionists argue, it can be an effect of both factors simultaneously, a woman is biologically female, and hence is expected by society to rear her child and love her unconditionally, however, this does not necessarily mean that the love she feels for her child is fabricated – it is the role of being a â€Å"mother† that may be socially fabricated, but not the feelings of being a â€Å"mother.† In such a context, it is our bodies, that are â€Å"matter,† and which are used to form attachments between people and between people and things, for instance, a girl having fondness for her doll, whereas a boy having it for his cricket bat. In this regard, social constructionists hold that it is actually the society that causes this errant belief of gender to be transferred into the social lives of people (Gabb, 2008, p. 31). Social constructionists argue that this phenomenon has more to do with social norms and practices than with individual needs and requirements. However, that cannot be completely true. There are certain individual traits that tend to form an attachment between people and objects and between people. In Woodward’s article, for instance, the attachment to boxing has been linked with certain ideals of masculinity, while that in itself cannot be considered to be matter, it is, perhaps, the biological sex of a person, and even the social implications that come with this, that determine and effect the propensity of boxers to be attached to the sport itself and the various factors it brings with it (2008). Moreover, the training of the boxer inculcates in him/her further attach ment to the game. Although some would argue that it is more mental than physical – attachment to boxing is caused by a certain psychological drive in the person.