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WIA-PA is a standard of wireless networks for industrial-process automation, which is proposed by Industrial Wireless Alliance of China. Network manager is an integral role of the WIA-PA network. In this paper, we first look closely into the architecture of WIA-PA and the responsibility of network manager. More specifically, we set our focus on the schemes and algorithms involved in the process of...
This paper proposes a channel assignment algorithm based on dissymmetrical model and validates the algorithm with simulation. It aims to resolve the channel assignment problem of Wireless Mesh Network where the nodes own different number of radios and the number of orthogonal channels is changing. This algorithm uses graphtheory knowledge and translates channel assignment problem into integer linear...
The capacity of wireless mesh networks can be enhanced with judicious channel assignment. This paper deals with one particular type of mesh network topology - the tree topology. The unique characteristics of this topology is that all the traffic to/from the mesh nodes goes through the root. This enables design of an efficient channel allocation algorithm that utilizes the intrinsic characteristics...
Employing multiple channels can effectively improve the network capacity in wireless mesh networks (WMNs). In multi-radio multi-channel WMNs, the channel assignment problem is to assign each radio a channel such that the network capacity is maximized. Since whether two nodes can communicate with each other depends on the channels they use, different channel assignments may lead to different network...
Wireless mesh network (WMN) has become a popular access network architecture. But because of its multi-hop nature, co-channel interference and contention, the attainable capacity of a wireless node in a WMN is significantly less than the radio capacity. We propose a overlay architecture for a WMN, where a wireless-ring (WRing) is deployed over the regular mesh for carrying wireless mesh traffic only...
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