Multi-objective resources allocation for OFDM-based cognitive radio systems

作者：Pei Pei Chen^*; Qin Yu Zhang; Ye Wang; Shenzhen Meng Jing

来源：Information Technology Journal, 2010, 9(3): 494-499.

DOI：10.3923/itj.2010.494.499

• Cognitive radio
• Fitness functions
• Multi objective
• Multi-objective allocation
• Multiple objectives
• Mutual interference
• QoS requirements
• Resources allocation
• Weighted Sum

In this study, we focus on multi-objective resources allocation for OFDM-based cognitive radio system considering the mutual interference. The mutual interference between primary user and secondary user is neglected by most research works in cognitive radio systems. To achieve the allocation, we use Genetic Algorithm (GA) with fitness function. The fitness function is a weighted sum of multiple objectives which can represent the Quality of Service (QoS) requirements of user. Experiment results show that the proposed multi-objective allocation method considering mutual interference based on GA successfully meets the user';s QoS requirement. ? 2010 Asian Network for Scientific Information.

• 出版日期2010