Issues in Designing Joint Radio Resource Management for Heterogeneous Wireless Networks

An Optimal Initial Radio Access Technology Selection Method for Heterogeneous Wireless Networks

“…Our focus here is on designing a RAT selection mechanism that can contribute towards a better radio resource management in HetNets. Few recent works [12,13,14,15,16,17] dealing with this type of objective are described as follows.…”

“…In such cases, there is no guarantee that the users connection to the RAT can be maintained.In[13], Atanasovski et al studied the problem of convergence of wireless access networks and reported on an architecture for resource management in Het-Nets (called RIWCoS). This architecture relies on the concept of Media Independent Handover Function (MIHF) user, a key component of the IEEE 802.21 framework.Although the RIWCoS framework is shown by simulations to be promising in handling emergency situations such as disaster management, its applicability re-quires that both terminal and network side resource management modules be implemented, under various assumptions and prerequisites.In[14], Suleiman et al investigated the joint radio resource management problem in HetNets and proposed a solution that considers the features of component access technologies such as the occupancy level in individual access networks, load balancing, nature of individual access networks, variability of network resources according to traffic conditions, asymmetry of access networks overlap, to name a few. A prototype implementation of their framework is presented and validated.…”

A Resource Allocation Method of Heterogeneous Wireless Cognitive Networks Based on Convex Optimization Theory

“…In [7][8][9], the authors address that when the heterogeneous network is with Multi-RAT, users can handover between RATs seamlessly, choose the RAT properly which can supply the best service considering the specific application and raise the QoS. But due to the limit of bandwidth in the network and the power of the mobile terminals, we need to allocate the resource legitimately to achieve the goal of enhancing the throughput and decrease the consumption of power of the whole network.…”