![]() ![]() In Mobile Wireless Communications, Mischa Schwartz has written a well-structured book that, after a brief panoramic introduction, covers the principles of wireless communications in six chapters then offers a clear discussion of the operations of various digital wireless mobile communication systems in the final five chapters. ![]() The problem is exacerbated by a dearth of excellent books from authors expert in the subject who can communicate complex concepts with simplicity and clarity. The mathematical and logical analyses involved are much more complex, and many students, raised on a diet of 24/7 entertainment driven by user-friendly technology, lack the appetite to dig beyond a superficial understanding. It was easier 15 years ago to impart to students a sound understanding of AM broadcasting than it is nowadays to guide them to a good grounding in the technology of digital audio broadcasting. I often worry that the burgeoning army of salesmen and users of these technological advances is not matched by a growth in the number of graduates with expertise and unclouded insight in the subject. The internet revolution has had a global impact on every aspect of business and social life, and given rise to new jobs, business methods, social pastimes, vocabulary, crimes, laws and the like.įinally, there is the astonishing global revolution in mobile communications, the full impact of which is difficult to exaggerate, but suffice it to say that it has, for example, fast-forwarded telecommunications provision in some developing countries by up to 50 years. ![]() Information of all types - voice, music, sound, text, video, graphics and other data from myriad sensors and input devices - is now stored, processed and transmitted as numbers.Ĭomputationally powerful but inexpensive microprocessor circuits can carry out sophisticated manipulations of information and deliver a wide variety of services that were impossible during the analogue era. The word "revolution" is often used flippantly, but there is little doubt that there has been a genuine revolution in three areas of telecommunications in the past 15 years.Ī digital revolution has transformed the telecommunications, entertainment and broadcast industries. ![]()
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