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This book covers the fundamental principles behind the design of ultra-low power radios and how they can form networks to facilitate a variety of applications within healthcare and environmental monitoring, since they may operate for years off a small battery or even harvest energy from the environment. These radios are distinct from conventional radios in that they must operate with very constrained resources and low overhead.  This book provides a thorough discussion of the challenges associated with designing radios with such constrained resources, as well as fundamental design concepts and practical approaches to implementing working designs.  Coverage includes integrated circuit design, timing and control considerations, fundamental theory behind low power and time domain operation, and network/communication protocol considerations.   • Enables detailed understanding of the design space for ultra-low power radio; • Provides detailed discussion and examples of the design of a practical low power radio network; • Compares a variety of low power transmission and radio styles, including traditional continuous wave radio, wake up radios, and impulse radios; • Includes detailed design techniques and examples of integrated circuits for low power impulse radio transceivers, with discussion of timing control and synchronization.  .

Electronics --- Electrical engineering --- Applied physical engineering --- elektronica --- ingenieurswetenschappen --- elektrische circuits --- Low power radio. --- Low voltage integrated circuits.

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The US ushered in a new era of small-scale broadcasting in 2000 when it began issuing low-power FM (LPFM) licenses for noncommercial radio stations around the country. Over the next decade, several hundred of these newly created low-wattage stations took to the airwaves. This book describes the practices of an activist organisation focused on LPFM during this era. Despite its origins as a pirate broadcasting collective, the group eventually shifted toward building and expanding regulatory access to new, licensed stations.

TECHNOLOGY & ENGINEERING --- History --- Low power radio --- Community radio --- Alternative radio broadcasting --- Radio broadcasting --- Radio broadcasting policy --- Pirate radio broadcasting --- Journalism & Communications --- Radio & TV Broadcasting --- Political aspects --- Citizen participation --- Citizen participation. --- Offshore commercial radio --- Offshore radio broadcasting --- Radio pirates --- Radio stations --- Radio broadcasting and state --- Broadcasting policy --- Radio --- Radio industry and trade --- Broadcasting --- Freedom of information --- Government publicity --- Mass media --- Alternative commercial radio --- Countercultural commercial radio --- Countercultural radio broadcasting --- Freeform radio broadcasting --- Progressive radio broadcasting --- Underground radio broadcasting --- Association radio --- Community-access radio --- Free radio --- Local mass media --- Ethnic radio broadcasting --- Low power FM radio --- LPFM radio --- Low voltage systems --- Government policy --- E-books