Abstract
Hybrid wireless mesh networks are more suitable to tunnels in underground mines because mesh clients can perform the routing functionality and provide end-user applications. Types of data transmitted among hybrid wireless mesh networks in underground mines are diverse and power supply of clients is limited. Using virtual potential field, a routing algorithm is proposed to support data-differentiated service in hybrid wireless mesh networks. Based on network parameters, the hybrid wireless mesh networks are abstracted as potential fields. The hop count is used to build the depth potential field. The residual energy of nodes is converted into penalty factor to symbolize the used buffer spaces of nodes, which is used to construct resource potential field to support different types of data. According to the different demands of data transmission, the proportion of these two potential fields is adjusted by a regulatory factor to form a hybrid potential field. The data packets are driven to move toward the gateway in the hybrid potential field at the same time to achieve high quality of service. Simulation results demonstrate that the proposed routing algorithm has shown better performance on end-to-end delay, delivery ratio, and network lifetime, compared with similar algorithms.
Highlights
Wireless mesh networks (WMNs) will play an increasingly important role in the next-generation network, which can be divided into three categories: infrastructure/backbone WMNs, client WMNs, and hybrid WMNs.[1]
In this article, considering these characteristics of application scenario, we propose a routing algorithm using virtual potential field for supporting datadifferentiated service (RADD) to satisfy the service requirements of different types of data and optimize the utilization of different types of nodes to prolong the lifetime of hybrid WMNs in underground mines
In the virtual potential field abstracted from the hybrid WMNs in underground mines, the path selection with the maximum potential gradient depends on the potential difference between neighbors
Summary
Wireless mesh networks (WMNs) will play an increasingly important role in the next-generation network, which can be divided into three categories: infrastructure/backbone WMNs, client WMNs, and hybrid WMNs.[1]. Hybrid WMNs have higher reliability than traditional wireless networks in underground mines. If a routing protocol can dynamically adjust to the data types, it can make full use of the advantages of hybrid WMNs to improve the quality of service. MRs employ wired power supply, while MCs use battery power.[5] Node energy is crucial to prolonging the network lifetime. The energy harvesting and prolonging of the network lifetime are two key elements and the energy supply of nodes should be considered to optimize the utilization of different types of nodes. In this article, considering these characteristics of application scenario, we propose a routing algorithm using virtual potential field for supporting datadifferentiated service (RADD) to satisfy the service requirements of different types of data and optimize the utilization of different types of nodes to prolong.
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