An Energy Efficiency Stabilization Scheme for Millimeter Wave Mobile Backhaul Links Based on q-Learning

A backhaul link, energy efficiency technology, applied in the direction of location-based services, specific environment-based services, machine learning, etc., can solve problems such as link failure

Active Publication Date: 2020-09-08
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a millimeter-wave wireless backhaul network parameter adjustment scheme based on Q learning, using the Q learning method to identify the environment and make decisions through the Q table, so as to adjust the network parameters so that the network energy efficiency can be stabilized Within a certain range, supplemented by D2D communication technology to solve the problem that the link cannot be connected due to high blocking, so as to further improve the energy efficiency and stability of the millimeter wave backhaul network

Method used

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Embodiment Construction

[0148] The present invention will be further described below in conjunction with specific embodiment and accompanying drawing:

[0149] like figure 1 As shown, we apply the Manhattan model to simulate the urban road area, and set up five residential areas in the area. There is one MBS in the center of the area, one SBS every 110m around the area, and 10 SBSs on the periphery of the area. In order to ensure the full coverage of the SBS, two SBSs are arranged on both sides of the MBS, and a total of 12 SBSs are arranged. On the drivable roads in the area, up to 100 VMAPs were randomly placed. Each VMAP has a 30% chance to remain stationary and a 70% chance to move and move only on its own path. The moving speed is randomly selected between 5m / s and 9m / s, and when moving to an intersection, there is a 50% probability of going straight, a 25% probability of turning left, and a 25% probability of turning right.

[0150] Table 1: Simulation parameters

[0151]

[0152]

[...

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Abstract

The invention discloses a millimeter wave mobile backhaul link energy efficiency stabilization scheme based on Q learning. The invention belongs to the technical field of millimeter wave wireless backhaul networks, and reasonably utilizes each device in a millimeter wave backhaul system for cooperative work. The scheme involves an access controller AC, a macro base station MBS, a micro base station SBS and a vehicle-mounted access node VMAP. The AC is reasonably allocated in the scheme, so that the VMAP can be directly or indirectly connected with the SBS as much as possible to form a backhaullink, and the Q learning decision is added to adjust the network parameters, so that the energy efficiency of the network is stabilized within a certain range as much as possible. A backhaul networkparameter adjustment scheme is constructed in combination with a Q learning method and a D2D relay strategy, and optimal adjustment of network parameters is realized through information interaction and cooperation among a vehicle-mounted access node, a micro base station, a macro base station and an access controller, so that the stability of millimeter wave wireless backhaul link energy efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of millimeter-wave wireless backhaul networks, and relates to a method for rationally scheduling network resources to improve network energy efficiency, in particular to constructing a backhaul network parameter adjustment scheme in combination with a Q-learning method and a D2D relay strategy, and accessing nodes through a vehicle , Micro base station, macro base station and access controller information interaction and cooperation, realize the optimization and adjustment of network parameters, thereby improving the stability of the energy efficiency of the millimeter wave wireless backhaul link. Background technique [0002] In the next-generation wireless network, there will be data-intensive and multimedia-rich wireless network applications (eg, augmented reality, high-definition video transmission, online games, etc.). These applications require high-speed and reliable and stable wireless connections. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W24/10H04W4/40H04W4/70H04W4/029H04W48/20H04W76/10H04W40/12H04W40/22G06N20/00
CPCG06N20/00H04W4/029H04W4/40H04W4/70H04W24/02H04W24/10H04W40/12H04W40/22H04W48/20H04W76/10Y02D30/70
Inventor 桂劲松戴湘文
Owner CENT SOUTH UNIV
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