Construction Technique for Optimized Data Transmission Over Wireless Radio Network
Journal Title: The International Journal of Technological Exploration and Learning - Year 2013, Vol 2, Issue 5
Abstract
Cognitive Radio is a radio for wireless communications in which either a network or a wireless node changes its transmission or reception parameters based on the interaction with the environment to communicate efficiently without interfering with licensed users.†This changing of parameters is based on the active monitoring of external and internal radio environment such as radio frequency spectrum, user behavior trends and network state. Simply, the idea behind the cognitive radio paradigm is the utilization of the idle frequency bands allocated to primary users or licensed users by the secondary users or unlicensed users without any interference to primary users’ communications. For the spectrum sensing in Cognitive Radio Networks we are choosing the time-varying nature of wireless channels, such as fading, multipath makes it difficult for wireless system designers to satisfy the everincreasing expectations of mobile users in terms of data rate and Quality of Service (QoS). The limited radio spectrum and limitation on the processing power availability in the portable handheld unit of mobile user are the other important constraints in designing wireless systems.
Authors and Affiliations
D. Hepzibha Rani| M.Tech, Systems and Signal Processing D.M.S.S.V.H College of Engineering, Mr. V. Ravi Sekhara Reddy| Asst. Professor, ECE Dept. D.M.S.S.V.H College of Engineering
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Construction Technique for Optimized Data Transmission Over Wireless Radio Network
Cognitive Radio is a radio for wireless communications in which either a network or a wireless node changes its transmission or reception parameters based on the interaction with the environment to communicate efficie...