Universiti Teknologi Malaysia Institutional Repository

Reconfiguring software defined radio platform for dynamic spectrum access

Khairul Rashid, K. M. and Sarijari, M. Adib and Fisal, N. and Latiff, N. M. A. and A. Rashid, Rozeha and Yusof, S. K. S. (2011) Reconfiguring software defined radio platform for dynamic spectrum access. In: 2011 IEEE International Rf And Microwave Conference (RFM 2011).

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Official URL: http://ieeexplore.ieee.org/document/6168706/


Traditional static spectrum allocation policy has resulted in current day spectrum scarcity and inefficient spectrum utilization. Dynamic Spectrum Access (DSA) technique allows cognitive (unlicensed) user (CU) to opportunistically transmit in a primary (licensed) user (PU) frequency band for a given time if it does not detect any ongoing operations. In this work, CU is implemented on Software Defined Radio (SDR) platform consisting of GNU Radio and USRP. This platform is then reconfigured for DSA based on Cognitive Radio (CR) technology which features include abilities to sense, learn, adapt and react according to the environment. The proposed design of the DSA based CR system consists of four main functional blocks: spectrum sensing, spectrum management, spectrum decision and data transmission. In this paper, we address the implementation of DSA based CR on IEEE802.15.4 standard. The result shows a significant improvement in term of Packet Reception Rate (PRR) for CU with DSA based CR system compared to the system without DSA capability.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Copper, Radio spectrum management, Sensors, Cognitive radio, Software radio, Synchronization, Data communication, spectrum management and spectrum decision, Dynamic Spectrum Access, Cognitive Radio, Software Defined Radio, spectrum sensing
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:46203
Deposited By: Haliza Zainal
Deposited On:10 Jun 2015 03:01
Last Modified:05 Jul 2017 08:53

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