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A Wireless Network Traffic Forwarding Method Based on Joint Estimation of Encounter Time

A wireless network and joint estimation technology, which is applied in network traffic/resource management, wireless communication, advanced technology, etc., can solve the problems of large data transmission delay and high data transmission cost, and achieve small data transmission delay and data transmission cost low effect

Active Publication Date: 2019-08-30
PLA UNIV OF SCI & TECH
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Problems solved by technology

[0005] In short, the problem existing in the existing technology is: due to the uncertainty of the duration of the encounter between the node and the WiFi network caused by the movement of the node, the data transmission delay is large or the data transmission cost is high

Method used

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  • A Wireless Network Traffic Forwarding Method Based on Joint Estimation of Encounter Time
  • A Wireless Network Traffic Forwarding Method Based on Joint Estimation of Encounter Time
  • A Wireless Network Traffic Forwarding Method Based on Joint Estimation of Encounter Time

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Embodiment Construction

[0022] Such as figure 1 As shown, the wireless network traffic transfer method based on joint estimation of encounter time in the present invention includes the following steps:

[0023] (10) Encounter time estimation: The wireless node calculates the probability distribution of the encounter interval-duration pair according to the weight of each group of encounter interval-duration pairs, and estimates the encounter interval between the wireless node and the WiFi hotspot according to the probability distribution time and duration of the encounter;

[0024] figure 2 is a schematic diagram of the encounter interval and encounter duration between the mobile node and the WiFi hotspot.

[0025] Such as image 3 Shown, described (10) double encounter time estimation steps include:

[0026] (11) Calculation of the probability distribution of dual time pairs: when the wireless node encounters the WiFi hotspot for the i-th time, the probability distribution of each group of encou...

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Abstract

The invention discloses a wireless network flow transfer method based on joint estimation of an encountering time. The method comprises the following steps: (10) estimating the encountering time: calculating probability distribution according to the weight of each group of encountering interval time-duration pair, and estimating an encountering interval time and an encountering duration between a wireless node and a WiFi hotspot; (20) data transmission: estimating effective expectation of data transmission methods, and selecting the data transmission method corresponding to the maximum effective expectation to perform flow transfer and data transmission; (30) calculating virtual gain: calculating normalized transmission efficiency according to the actual encountering duration and the actual encountering interval time in a data transmission process, and calculating the virtual gain according to the normalized transmission efficiency; and (40) updating the weight: calculating the weight of each group of encountering interval time-duration pair according to the virtual gain, and a weight sum. According to the wireless network flow transfer method disclosed by the invention, the data transmission delay is small, and the data transmission cost is low.

Description

technical field [0001] The invention belongs to the technical field of wireless data transmission, in particular to a wireless network traffic transfer method based on joint estimation of encounter time, which has both small data transmission time delay and low data transmission cost. Background technique [0002] With the popularization of mobile smart devices such as smartphones and smart wearable devices, and the rise of various new services such as audio and video streaming media, mobile social sharing and cloud-based services, the total amount of global mobile data continues to grow. In order to improve data service quality and support more and more mobile data traffic, operators urgently need to improve the carrying capacity of cellular networks. Upgrading radio access network and core infrastructure to increase cellular network capacity is the most direct way to cope with the rapid growth of mobile data traffic. Upgrading and expanding the cellular network greatly in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W40/02H04W48/16H04W48/18
CPCH04W28/02H04W40/02H04W48/16H04W48/18Y02D30/70
Inventor 董超李智敏王海李艾静张磊
Owner PLA UNIV OF SCI & TECH
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