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Speed distribution method in wireless body area network based on Stankelberg game

A technology of wireless body area network and allocation method, which is applied in the field of rate allocation in wireless body area network based on Stein-Kohlberg game, and can solve the problems of heavy load of sensor nodes and large communication overhead.

Inactive Publication Date: 2019-03-01
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0007] The above data rate allocation schemes are all based on the cooperative game model. During the implementation process, the nodes need to communicate and negotiate with each other, which will inevitably lead to a large communication overhead and bring a heavy burden to the sensor nodes with limited energy consumption. burden

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  • Speed distribution method in wireless body area network based on Stankelberg game
  • Speed distribution method in wireless body area network based on Stankelberg game
  • Speed distribution method in wireless body area network based on Stankelberg game

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] The present invention is a solution to the data rate allocation problem in the wireless body area network, and its overall flow chart is shown in the attached figure 1 . This embodiment is based on the figure 2 As shown in the system model diagram, the number of sensor nodes in the body area network is m=3. The specific implementation steps are as follows:

[0029] The first step is information collection; the coordinator C collects the i-th sensor node s in the network i The minimum data transfer rate requirement r i,min , priority θ i and utility gain λ i , information.

[0030]...

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Abstract

The invention discloses a speed distribution method in a wireless body area network based on a Stankelberg game. Under the limitation of a network capacity, a coordinator serving as a game leader adjusts the data transmission speeds of sensor nodes in the same network through formulating speed prices, so that the own earning is maximized; and then, the sensor nodes serving as game followers acquire the respective optimal transmission speeds according to the best response function of the speed prices. According to the method, during the process of designing the utility function, the heterogeneity of data collected by the sensor nodes with different functions in the network is considered to meet the diverse requirements of the different data on transmission speeds, and the satisfaction of the user is improved. Furthermore, the instantaneity of abnormal data transmission is ensured through dividing priorities for each sensor node according to the abnormity of the data collected by the node and the energy efficiency of the node, and the service life of the network is prolonged.

Description

technical field [0001] The invention relates to the field of wireless communication networks, and relates to a rate allocation method in a wireless body area network based on the Stan Kohlberg game. Background technique [0002] With the increase in the number of patients with chronic diseases in society and the intensification of the aging trend of the population, the Wireless Body Area Network (WBAN) has gradually become the focus of attention due to its advantages of real-time monitoring of human body characteristics. Wireless Body Area Network (WBAN) is a human-centered network consisting of multiple sensor nodes attached to the human body or implanted in the body and a coordinator. The equipment is responsible for collecting the information collected from the sensor nodes in the network, and sending it to the control center through the external network after fusion processing. [0003] The sensor nodes with different functions in the wireless body area network are resp...

Claims

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Application Information

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IPC IPC(8): H04W28/22H04W84/18H04B13/00
CPCH04B13/005H04W28/22H04W84/18Y02D30/70
Inventor 孙咏梅王静贤纪越峰
Owner BEIJING UNIV OF POSTS & TELECOMM
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