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Based on the feedback from the pedestrian flow monitoring system, resources can be optimally allocated to maximize social and economic benefits. Moreover, trampling accidents can be avoided because pedestrian guidance is carried out in time. In order to meet these requirements, we propose a method of pedestrian flow monitoring based on the received signal strength (RSS) of wireless sensor networks. This method mainly utilizes the shadow attenuation effect of pedestrians on radio frequency (RF) signals of effective links. In this paper, a deployment structure of RF wireless sensor network is firstly designed to monitor the pedestrians. Secondly, the features are extracted from the wavelet decomposition of RSS signal series with a short time. Lastly, the support vector machine (SVM) algorithm is trained by an experimental data set to distinguish the instantaneous number of pedestrian passing through the monitoring point. In the case of dense and sparse indoor personnel density, the accuracy of the SVM model is 88.9% and 94.5%, respectively. In the outdoor environment, the accuracy of the SVM model is 92.9%. The experimental results show that this method can realize the high precision monitoring of the flow of people in the context of real-time pedestrian flow monitoring.<\/jats:p>","DOI":"10.1186\/s13638-021-02079-y","type":"journal-article","created":{"date-parts":[[2022,1,4]],"date-time":"2022-01-04T08:02:50Z","timestamp":1641283370000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A method of pedestrian flow monitoring based on received signal strength"],"prefix":"10.1186","volume":"2022","author":[{"given":"Zhiyong","family":"Yang","sequence":"first","affiliation":[]},{"given":"Jing","family":"Wen","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4826-8773","authenticated-orcid":false,"given":"Kaide","family":"Huang","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,1,4]]},"reference":[{"key":"2079_CR1","doi-asserted-by":"publisher","first-page":"24411","DOI":"10.1109\/ACCESS.2019.2899939","volume":"7","author":"J Sang","year":"2019","unstructured":"J. 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