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Discrete event simulation method applied to WiMAX (World Interoperability for MicrowaveAccess) system and platform thereof

A technology of discrete events and simulation methods, applied in the field of simulation, can solve the problems of WiMAX frequency point application difficulties, etc., and achieve the effects of fast running speed, real and effective simulation, and less computer resources

Inactive Publication Date: 2016-07-20
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use and promotion of WiMAX in China is facing the problem of frequency point application

Method used

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  • Discrete event simulation method applied to WiMAX (World Interoperability for MicrowaveAccess) system and platform thereof
  • Discrete event simulation method applied to WiMAX (World Interoperability for MicrowaveAccess) system and platform thereof

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Experimental program
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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The invention proposes a discrete event simulation method suitable for a WiMAX system. The specific plan is:

[0028] Using object-oriented thinking, the base station and terminal are abstracted into two types of device models (NetDevice). The model realizes basic physical layer information, and reserves MAC protocol interface and network layer protocol interface. The device model can complete protocol installation and channel access , send / receive, etc.

[0029] The protocol between the MAC layer and the network layer is installed in the device model. The application layer protocol (645App) is carried on the network layer. The application layer refers to the DL / T645 protocol to simulate the actual frame length and transmission frequency of the power consumption information collection system, which can highly s...

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Abstract

The invention discloses a discrete event simulation method applied to a WiMAX (World Interoperability for MicrowaveAccess) system and a platform thereof. The method comprises the following steps: (1) simulating: while initialization ending condition is false, initializing a system state variable, initializing a clock, scheduling an initialization event or putting the initialization event into an events list; (2) doing loop: setting the clock into the time for occurring a next event, executing the next event, removing the next event from the events list and updating statistical data; and (3) while the set ending condition is true, ending the simulation loop; and meanwhile, generating a statistical report by the system. The platform comprises a physical layer, an MAC layer, a network layer, an application layer and a channel; protocols of the MAC layer and the network layer are directly arranged in a netdevice; and a network layer protocol is loaded on the network layer. According to the method and the platform disclosed by the invention, the simulation content has a high similarity with the practical situation, and the service loading capability of a communication system can be evaluated more truly.

Description

technical field [0001] The invention relates to a simulation method, in particular to a discrete event simulation method and a platform suitable for a WiMAX system. Background technique [0002] The full name of WiMAX is WorldInteroperabilityforMicrowaveAccess, that is, global microwave access interoperability. WiMAX is called IEEE802.16 standard, that is, Broadband Wireless Access (BWA) standard. It is a wireless metropolitan area network technology, and it is a new air interface standard proposed for microwave and millimeter wave frequency bands. WiMAX has the characteristics of long-distance and high-bandwidth transmission, and its network performance and network architecture conform to the distribution characteristics of power services. However, the use and promotion of WiMAX in China faces difficulties in applying for frequency points. In 1991, the Radio Management Committee approved 15 pairs of duplex frequency points and 10 simplex frequency points in the 230MHz fr...

Claims

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Application Information

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IPC IPC(8): H04W24/06
Inventor 赵涛李建岐赵勇高鸿坚安春燕朱伟义
Owner STATE GRID CORP OF CHINA
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