ArticleHealthcare technology letters
Research and Application of Multi-Link Aggregation Algorithm Based on Link Priority for Telemedicine in Complex Environments.
Article in Healthcare technology letters. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Background and objective: Telemedicine has been introduced as a new and effective method in dealing with public health challenges, improving access to health care, and reducing healthcare costs in today's world. In order to solve the problems of a single access network and the unknown network status of the telemedicine system in complex environments, a multi-link aggregation algorithm based on link priority (MLA-LP) was proposed. Methods: Firstly, the network parameters, such as packet loss rate (PLR) and round-trip time (RTT), of each link were obtained, and then MLA-LP was realized by using the congestion control algorithm based on sender and the traffic allocation algorithm based on link priority. Finally, the MLA-LP algorithm was tested on the test platform based on HoloWAN 1200 network simulator. The comparison algorithm was the multilink aggregation algorithm based on the weightedround-robin algorithm (MLA-WRR). Results: MLA-LP algorithm has higher uplink throughput than MLA-WRR under the same link PLR and delay. When the link is suddenly abnormal (burst packet loss, delay, etc.), the MLA-LP algorithm could quickly avoid the abnormal link and transfer traffic within 2 s; In the mobile scenario, compared with a single network and MLA-WRR algorithm, MLA-LP algorithm has the best video transmission effect, with an average delay of 136 ms, an average bit rate of 2.31 Mbps, an average PLR of 0.04%, and video jamming times close to 0. Conclusions: The MLA-LP algorithm could effectively aggregate link bandwidth and quickly avoid abnormal links, ensuring the robustness of the access network.In order to solve the problems of a single access network and the unknown network status of telemedicine system in complex environment, a MLA-LP was proposed. MLA-LP algorithm has higher uplink throughput and could quickly avoid the abnormal link and transfer traffic within 2 s, ensuring the robustness of the access network.
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