A Result Analysis of OFDM-Based Cognitive Radio Networks for Efficient- Energy Resource Allocation
Volume: 5 - Issue: 05 - Date: 01-05-2016
Approved ISSN: 2278-1412
Published Id: IJAECESTU275 | Page No.: 1010-1014
Author: Santavana Singh
Co- Author: Sumit Dubey
Abstract:-In this paper, we tend to investigate the energy-efficient resource allocation in
orthogonal frequency division multiplexing (OFDM)-based cognitive radio (CR) networks, where
we tend to try and maximize the system energy-efficiency under the thought of many practical
limitations, such as transmission power budget of the Cr system, interference threshold of most
important users and transmit demands of secondary users. Our general objective formulation
leads to a challenging mixed integer programming problem that's hard to solve. To form it
computationally tractable, we employ a time-sharing methodology to change it as a non-linear
partial program problem, which may be further converted into an equivalent convex optimization
problem by using its hypogragh kind. Supported these transformations, it is possible to obtain
(near) best possible explanation by usual optimization method. However, the complexness of the
standard technique is just excessively high for this real-time optimization project. By utilize the
structure of the problem extensively; we develop an efficient barrier methodology to work out the
(near) best solution with an affordable complexness, significantly higher than the standard
technique. Numerical results show that our proposal can maximize the energy efficiency of the Cr
system, whilst the proposed algorithmic rule performs quickly and stably.
Key Words:-orthogonal frequency-division multiplexing (OFDM), inter-carrier interference (ICI)
Area:-Engineering
Download Paper:
Preview This Article
