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Context-aware information centralization resource management method in multi-hop cellular network architecture

A technology for environmental awareness and resource management, applied in the field of information centralization and resource management in wireless communication

Inactive Publication Date: 2015-09-30
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is well known that scarce spectrum resources are being used up

Method used

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  • Context-aware information centralization resource management method in multi-hop cellular network architecture
  • Context-aware information centralization resource management method in multi-hop cellular network architecture
  • Context-aware information centralization resource management method in multi-hop cellular network architecture

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Embodiment Construction

[0049] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0050] The schematic diagram of the wireless environment awareness network is as follows: figure 1 shown. The flowchart of the method of the present invention is as figure 1 shown, including the following steps:

[0051] Step 1: Build a system model

[0052] Step 1.1: Abstract Model of Environment Perception System

[0053] The base station is equipped with a high-power transmitter, and all sensors can receive the broadcast signal of the base station, but the base station cannot perceive the signal of the sensor, except those that are close enough to connect to the base station successfully with one jump. A buffer in the network, which caches uploaded environmental information, is installed on each sensor. Suppose there are N sensors, one base station and L wireless links connecting all sensors to the base station. L≤((N+1) / 2), and generally, L<<(...

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Abstract

The invention relates to a wireless context aware network, in particular to a context-aware information centralization resource management method in a multi-hop cellular network architecture. A new structure is provided in information centralization and the multi-hop cellular network. Communication traffic is reduced in the network by introducing caches in the network and processes in the route. Considering priority, delay and size of information packets and Rayleigh attenuation in a wireless link, an optimal resource management method is provided to minimize long-term energy consumption. The optimization problem is modeled into a limited restless bandits problem which is further modeled into a standard restless bandits model, and complexity in online algorithms can be reduced with the aid of retrievable characteristic of the model. By the method, performance of the context aware network is improved significantly.

Description

technical field [0001] The invention relates to a wireless environment perception network, and proposes a better resource management method in the wireless environment perception network, belonging to the related fields of information centralization and resource management in wireless communication. technical background [0002] Since the environmental pollution problem has become increasingly serious in many countries and regions, environmental awareness networks have recently attracted a lot of attention. Environmental awareness plays an important protective role in improving human comfort, health and safety. Carbon monoxide, carbon dioxide, sulfur dioxide, and organic compounds in the air, as well as the conductivity, temperature, and pressure of seawater, require continuous sensing and monitoring, so effective information can be integrated and analyzed by means of big data and cloud computing. [0003] Wireless sensor networks are the most widely used method in collecti...

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/145
Inventor 张延华李秋然司鹏搏孙恩昌孙艳华杨睿哲王朱伟
Owner BEIJING UNIV OF TECH
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