HYBRID OVERLAY/UNDERLAY SPECTRUM ACCESS BASED ON COOPERATIVE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION OF POWER BUDGET IN COGNITIVE RADIO NETWORK

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Karimkhani Bahare; SHAHZADI ALI

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY
Year:2016 | Issue:2

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Title

HYBRID OVERLAY/UNDERLAY SPECTRUM ACCESS BASED ON COOPERATIVE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION OF POWER BUDGET IN COGNITIVE RADIO NETWORK

Author(s)

Karimkhani Bahare | SHAHZADI ALI

Keywords

COGNITIVE RADIO

EVOLUTIONARY ALGORITHM

HYBRID OVERLAY/UNDERLAY

MULTI-OBJECTIVE OPTIMIZATION

PREDICTION

Abstract

ONE OF THE MAIN ISSUES OF SECONDARY USERS IN COGNITIVE RADIO NETWORKS IS TO INCREASE TRANSMISSION TIME AND TO DECREASE THE NUMBER OF SWITCHING DURING TRANSMISSION. AS SPECTRUM SENSING BY CONVENTIONAL METHODS IS TIME-CONSUMING, IN THIS PAPER WE PREDICT CHANNEL’S IDLE AND BUSY TIME USING KALMAN FILTER. WHEN THE CHANNEL IS IDLE, SECONDARY USER START TRANSMISSION IN OVERLAY MODE, WHEN THE CHANNEL IS PREDICTED TO BE BUSY, IT CAN ADJUST ITS TRANSMISSION POWER AND CONTINUE IN UNDERLAY TRANSMISSION MODE, WITHOUT SWITCHING TO ANOTHER CHANNEL. IN THIS MODE OPTIMUM POWER BUDGET IS OBTAINED USING MULTI-OBJECTIVE OPTIMIZATION WITH EVOLUTIONARY ALGORITHM. THROUGH SIMULATION WE COMPARE THE PERFORMANCE OF OVERLAY, UNDERLAY AND HYBRID MODE, AND SHOW THAT THE HYBRID METHOD WITH PREDICTION COULD PROVIDE BETTER SYSTEM UTILITY.

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APA: Copy

Karimkhani, Bahare, & SHAHZADI, ALI. (2016). HYBRID OVERLAY/UNDERLAY SPECTRUM ACCESS BASED ON COOPERATIVE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION OF POWER BUDGET IN COGNITIVE RADIO NETWORK. INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY. SID. https://sid.ir/paper/938902/en

Vancouver: Copy

Karimkhani Bahare, SHAHZADI ALI. HYBRID OVERLAY/UNDERLAY SPECTRUM ACCESS BASED ON COOPERATIVE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION OF POWER BUDGET IN COGNITIVE RADIO NETWORK. 2016. Available from: https://sid.ir/paper/938902/en

IEEE: Copy

Bahare Karimkhani, and ALI SHAHZADI, “HYBRID OVERLAY/UNDERLAY SPECTRUM ACCESS BASED ON COOPERATIVE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION OF POWER BUDGET IN COGNITIVE RADIO NETWORK,” presented at the INTERNATIONAL CONFERENCE ON INNOVATION IN SCIENCE AND TECHNOLOGY. 2016, [Online]. Available: https://sid.ir/paper/938902/en

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