Virginia Tech Symposium on Wireless and – författare
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2 produkter
2 produkter
1 592 kr
Skickas inom 10-15 vardagar
Technology advances and new frequency allocations for personal communication services (PCS) are creating numerous business and technical opportunities. An important requirement for exploiting opportunities is the ability to track the dramatic changes in wireless technology, which is a principal focus of this book. It places particular emphasis on the areas of signal processing, propagation and spread spectrum, and emerging communication systems. It also contains new results on adaptive antennas for capacity improvements in wireless communication systems, as well as state-of-the-art information on recent technical developments. Also included are several chapters which discuss the impact of defence conversion on the wireless industry, and related competitive issues.The first part of the book contains several tutorial chapters on key areas in wireless communications; the second focuses on digital signal processing and spread spectrum, two means of creating interference and multipath robust communications; the third concerns propagation aspects of wireless communications; the fourth discusses the performance of emerging wireless systems; and the fifth describes the opportunities and pitfalls of defence conversion from the perspective of several US defence firms that have successfully made the transition to commercial wireless.
Wireless Personal Communications
The Evolution of Personal Communications Systems
Inbunden, Engelska, 1996
1 064 kr
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Wireless personal communications, or wireless as it is now being called, has arrived. The hype is starting to fade, and the hard work of deploying new systems and services for personal communications is underway. In the United States, the FCC propelled the wireless era from infancy to mainstream with a $7.7 billion auction of 60 MHz of radio spectrum in the 180011900 MHz band. With the largest single sale of public property in the history of mankind mostly complete, the resources of the entire world are being called upon to develop inexpensive, rapidly deployable wireless systems and sub scriber units for an industry that is adding subscribers at greater than 50% annual rate. This growth is commonplace for wireless service companies throughout the world, and in the U.S., where as many as 7 licensed wireless service providers may be competing for cellularfPCS customers within the next couple of years, differentiators in cost, qual ity, service, and coverage will become critical to customer acceptance and use. Many of these issues are discussed in the papers included in this book.