Wireless mesh network (WMN) has become an important leading technology which provides several types
of useful applications such as community network, broadband home network and internet access, etc. The
rise in the size of users in WMN has created a degradation of efficiency in a network especially in dense
areas due to the clumsy channel allocation and hence creating many challenges for enhancing the users
experience, network quality and throughput. Therefore in this paper, we proposed OCA based AIF model
that can access the channel information and then it process to improve the RF channel association. The
proposed OCA-AIF will function for each period when some interference is detected via AIF and we further
extend this analysis by taking in to consideration the influence of interference to provide a high quality
indicator in network. The analysis of result shows the optimization by our proposed approach which
increases as per the increment of relay nodes (RNs).