Spectrum Usage Models for the Analysis, Design and Simulation of Cognitive Radio Networks

Abstract

ADVERTIMENT. La consulta d'aquesta tesi queda condicionada a l'acceptació de les següents condicions d'ús: La difusió d'aquesta tesi per mitjà del servei TDX (www.tesisenxarxa.net) ha estat autoritzada pels titulars dels drets de propietat intel·lectual únicament per a usos privats emmarcats en activitats d'investigació i docència. No s'autoritza la seva reproducció amb finalitats de lucre ni la seva difusió i posada a disposició des d'un lloc aliè al servei TDX. No s'autoritza la presentació del seu contingut en una finestra o marc aliè a TDX (framing). Aquesta reserva de drets afecta tant al resum de presentació de la tesi com als seus continguts. En la utilització o cita de parts de la tesi és obligat indicar el nom de la persona autora.ADVERTENCIA. La consulta de esta tesis queda condicionada a la aceptación de las siguientes condiciones de uso: La difusión de esta tesis por medio del servicio TDR (www.tesisenred.net) ha sido autorizada por los titulares de los derechos de propiedad intelectual únicamente para usos privados enmarcados en actividades de investigación y docencia. No se autoriza su reproducción con finalidades de lucro ni su difusión y puesta a disposición desde un sitio ajeno al servicio TDR. No se autoriza la presentación de su contenido en una ventana o marco ajeno a TDR (framing). Esta reserva de derechos afecta tanto al resumen de presentación de la tesis como a sus contenidos. En la utilización o cita de partes de la tesis es obligado indicar el nombre de la persona autora. WARNING.On having consulted this thesis you're accepting the following use conditions: Spreading this thesis by the TDX (www.tesisenxarxa.net) service has been authorized by the titular of the intellectual property rights only for private uses placed in investigation and teaching activities. Reproduction with lucrative aims is not authorized neither its spreading and availability from a site foreign to the TDX service. Introducing its content in a window or frame foreign to the TDX service is not authorized (framing). This rights affect to the presentation summary of the thesis as well as to its contents. In the using or citation of parts of the thesis it's obliged to indicate the name of the author Essentially, all models are wrong, but some are useful.George E. P. BoxTo my beloved family for their unconditional love and support.A mi querida familia por su cariño y apoyo incondicionales. 0 ABSTRACTThe owned spectrum allocation policy, in use since the early days of modern radio communications, has been proven to effectively control interference among radio communication systems and simplify the design of hardware for use at a known and fixed range of frequencies. However, the overwhelming proliferation of new operators, innovative services and wireless technologies during the last years has resulted, under this static regulatory regime, in the depletion of all spectrum bands with commercially attractive radio propagation characteristics. The vast majority of spectrum regarded as usable has already been allocated, thus...

A Survey of Measurement-Based Spectrum Occupancy Modeling for Cognitive Radios

“…Reference [77] compiled the results in [39], [51] and [59]. In addition, they proposed a new model considering time-, frequency-and spacevariance by focusing on the Markov process and the correlation.…”

Robust and Low‐Complexity Cooperative Spectrum Sensing via Low‐Rank Matrix Recovery in Cognitive Vehicular Networks

“…This paper was presented in part at the IEEE/CIC International Conference on Communications in China, Qingdao, China, Oct. [22][23][24]2017. This is an extended version.…”

“…The PU owns several licensed wideband channels that are divided into subbands. According to the existing spectrum measurements in [24][25][26], the licensed subbands are underutilized; namely, the spectrum occupancy rate of these subbands is relatively low. The secondary network is an infrastructurebased network that contains several SUs and a fusion center.…”

Space-dimension models of spectrum usage for cognitive radio networks

“…Thus, the availability of realistic and accurate, yet simple spectrum occupancy models can provide significant benefits in DSA/CR research [18]. Spectrum usage models are frequently employed in the study of DSA/CR systems, ranging from analytical studies to the design and dimensioning of DSA/CR networks, including the development of new simulation tools and more efficient DSA/CR techniques.…”