December 2020
Intermediate
752 pages
25h 39m
English
Content preview from Dynamic Spectrum Access Decisions
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Chapter 1Introduction
This book targets the field of dynamic spectrum access (DSA), which can also be referred to as dynamic spectrum awareness, dynamic spectrum management (DSM), or cooperative spectrum management. The book does not attempt to explain or summarize what is already established in standardization efforts, such as the dynamic spectrum access network (DySPAN), also known as the Institute of Electrical and Electronics Engineers (IEEE) P1900,1 or the Wireless Innovation Forum (WINNF) Spectrum Access System (SAS). Rather, it's goal is to help engineers design the most suitable DSA approach for whatever wireless communications system is being built. DSA is needed for a wide range of civilian and military communications systems to dynamically optimize spectrum use. A form of DSA can be used for licensed and unlicensed spectrum bands in a wide variety of systems. DSA is presented in this book with a wider context than cognitive radios. There are many commercial and military communications systems that are not necessarily categorized as cognitive systems, but use these techniques to dynamically manage scarce spectrum resources. In today's ever‐increasing appetite for bandwidth, every extra Hertz a wireless system can use means an increased rate of transmission in bits per second (bps) over the air (OTA). Different types of communications systems are evolving to add incremental DSA capabilities. For example, military communications systems are moving towards DSA with a ...
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