With the advancement of technology, China is developing rapidly in the construction of emergency communication systems. Currently, emergency communication networks have an urgent demand for multimedia services and higher requirements for network bandwidth. When there are multiple different services in the network, traditional universal routing protocols are no longer applicable and cannot simultaneously meet the transmission requirements of different business flows. There is a common problem with the existing encoding aware routing in the power emergency communication MESH network. In order to improve network performance, a large amount of data flow is concentrated on certain nodes to create more encoding opportunities. When the data flow increases to a certain extent, these nodes will cause local congestion or even paralysis due to heavy load. A new routing metric has been proposed, and based on this metric, a coding aware load balancing routing strategy has been proposed. This routing strategy not only utilizes network coding to save network resources and improve network throughput, but also considers the load situation of nodes. It selects nodes with relatively light load as the next hop node to forward, achieving a balance between network coding and node load balancing. The simulation results show that in scenarios with different data transmission rates, this routing strategy can effectively alleviate network congestion, with higher network throughput and lower end-to-end latency.
700MHz is known as the golden band, with wide coverage and strong diffraction ability, which is very suitable for deployment in vast rural and remote areas, and can greatly reduce the construction cost; With the proposal of the national "double carbon" goal, as an important field to achieve the "double carbon" goal, the State Grid of China has put forward new requirements for the construction of new power systems; The digitalization and intellectualization of the power industry put forward higher requirements for the delay, bandwidth and reliability of the communication system; The features of 5G technology, such as low latency, high reliability and Dalian connection, just meet the requirements of the above features; At present, the deployment planning of 700MHz network is still in the exploration stage. This paper combines the actual deployment and test of power 5G service, and provides a reference basis for a large number of deployment of 700MHz band terminals and base stations in the power system through the actual test data.
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