A low-cost, real-time, and short-range software-defined digital wireless communications transceiver design and implementation at baseband
Küçük Resim Yok
Tarih
2015
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Gazi Universitesi Muhendislik-Mimarlik
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Physical layer transceiver design lies in the heart of all wireless communications systems. However, each and every emerging wireless communications technology forces the already-existing transceiver designs and their corresponding hardware to change. In addition, due to the dramatic increase in number of emerging wireless technologies, there are serious concerns regarding the utilization of valuable radio spectrum. Recently, cognitive radio concept is proposed in order to provide a new perspective for the aforementioned concerns. Operating on a software-defined platform, cognitive radio introduces flexibility in design of utmost level; adapts itself to the dynamic radio environment; senses the radio spectrum steadily to be aware of it; and learns about its past experiences in order to plan and take action in the future in a beter way. Therefore, in this study, a software-defined wireless acoustic baseband transceiver design whose each and every parameter could be modified, updated, and changed with utmost flexibility is established toward realization of cognitive radio. Mathematical analysis and a simulation environment of the design are provided too. A real-time implementation of the transceiver is realized as well in order to both demonstrate an operating prototype and set up a testbed for software-defined platforms. Results for theoretical, simulation, and real-time performance of the transceiver are given along with relevant discussions and future directions.
Açıklama
Anahtar Kelimeler
Acoustic, Baseband, Cognitive radio, Short-range, Simulation, Software-defined radio, Testbed, Wireless communications
Kaynak
Journal of the Faculty of Engineering and Architecture of Gazi University
WoS Q Değeri
Scopus Q Değeri
Q2
Cilt
30
Sayı
2
