[...]... making a myriad of detailed radio use decisions on behalf of the user (not necessarily of the network) to use the radio spectrum more effectively (This is the fi rst of several informal defi nitions of cognitive radio The technical defi nition is given in a computational ontology of the ideal cognitive radio, the iCR.) CR is based on “software radio. ” (See J Mitola, Software Radio Architecture, Wiley, Hoboken,... adaptive radios toward cognitive radio, the AACR revolution AACR technology can also power increasingly autonomous cognitive wireless networks (CWNs) The cognitive radio architecture (CRA) defi nes functions, components, and design rules by which to evolve software-defi ned radio (SDR) toward the iCR vision The core technology of the CRA evolution is the ,1 defi ned in RXML, perceiving the radio spectrum,... to radio applications via a new metalanguage, Radio XML (RXML) Cognitive Radio Architecture: The Engineering Foundations of Radio XML By Joseph Mitola III Copyright © 2006 John Wiley & Sons, Inc 1 2 INTRODUCTION X - Unused Channels Z - Subscribed Services I - In Use by Others B - Broadcast I XX Z I Z B X I B I X I X Perceives Radio Domain Perceives Scene as User Vision + CWPDA FIGURE 1-1 Notional cognitive. .. but in support of my passion for the public benefit of radio technology over the decades, starting with teaching in the 1970s, graduate work in the 1970s and 1980s, my first book—Software Radio Architecture in 2000, continuing through the cognitive radio research at KTH, and fi nally the publication of this book about Aware, Adaptive, and Cognitive Radio Lynné not only is the wind beneath my wings, she... is about making radios so smart that they can autonomously discover how, when, and where to use radio spectrum to obtain information services without having previously been programmed to do so Cognitive radio integrates machine perception software into wireless systems radio nodes and networks Radios today are evolving from awareness (e.g., of location) toward cognition: the self-aware radio autonomously... intelligence on the other are developing quickly, driven by complementary market forces 1.5 COGNITIVE RADIO AND PUBLIC POLICY Ideal cognitive radios are aware, adaptive radios that learn from experience AML enables wireless devices to discover and use radio spectrum by “being polite” to each other, employing self-defi ned radio etiquettes rather than predefi ned albeit flexible air interfaces and protocols But... Software Radio Architecture, Wiley, Hoboken, NJ, 2000) Between 1998 and 2000, I refi ned cognitive radio concepts in my dissertation research At that time, I built a research prototype cognitive wireless personal digital assistant (CWPDA) in Java—CR1—and trained it, gaining insights into cognitive radio technology and architecture While working on my dissertation, I described the ideal CR (iCR) for spectrum... Web Languages / 439 Radio XML / 439 Conclusions / 443 GLOSSARY 444 REFERENCES 451 INDEX 467 PREFACE On 14 October 1998, I coined the term cognitive radio (CR)” to represent the integration of substantial computational intelligence—particularly machine learning, vision, and natural language processing—into softwaredefi ned radio (SDR) CR embeds a RF-domain intelligent agent as a radio and information... collaborate to accelerate iCR One tool toward this end used successfully in the ITU, OMG, TIA, and SDR Forum is the open architecture standard 1.6.1 Open Architecture Frames Collaboration Evolution from AAR toward iCR may be accelerated by industry agreement on an open cognitive radio architecture (CRA), a minimal set of AACR functions, components, and interfaces Standard functions relate to both use... Learning about the , the , and the CR1 implementing this architecture is developed in the companion CD-ROM with sufficient detail for experimentation and behavior modification 1.8.2 Radio Competence The radio competence part develops radio- domain use cases in Chapter 6 Chapter 7 explicates the radio knowledge into structured knowledge chunks with related methods of using the . alt="" COGNITIVE RADIO ARCHITECTURE The Engineering Foundations of Radio XML JOSEPH MITOLA III A JOHN WILEY & SONS, INC., PUBLICATION COGNITIVE RADIO. [2] adapted to radio applications via a new metalan- guage, Radio XML (RXML). Cognitive Radio Architecture: The Engineering Foundations of Radio XML By Joseph