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Physical layer channel analog method for testing network protocol stacks

A technology of physical layer channel and network protocol stack, which is applied in the field of physical layer channel simulation of network software protocol stack testing, can solve problems such as inability to detect protocol details, and achieve the effects of improving development efficiency and reducing development costs

Inactive Publication Date: 2013-08-07
CHONGQING JINMEI COMM
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Problems solved by technology

[0005] The purpose of the present invention is to realize the function and performance test of the protocol stack separated from the physical layer platform, thereby reducing the development risk, reducing the development cost, and solving the deficiency that the general simulation software cannot detect the protocol details through the interface conversion definition

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  • Physical layer channel analog method for testing network protocol stacks
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  • Physical layer channel analog method for testing network protocol stacks

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Embodiment Construction

[0060] In order to make the objectives, technical solutions and advantages of the present invention clearer, a system and method for simulating the PHY layer and channel space of a MESH protocol stack of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0061] Please refer to Figure 1, Figure 1(a) is the actual node protocol stack structure, Figure 1(b) In order to simulate the node protocol stack structure under the system, the simulation system mainly simulates the functions of the PHY layer, and forms a certain predetermined topology of virtual nodes in the channel space. The simulation system interacts with the MAC of the upper layer of the protocol stack to complete the information exchange between virtual nodes.

[0062] Please refer to figure 2 , this figure describes the interaction between the virtual node and the simulation system and the process flow of the simulation system to the message.

[0...

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Abstract

The invention belongs to the technical field of mobile communication, and particularly relates to a physical layer channel analog method for testing network protocol stacks. Simultaneous operation of a plurality of peer-to-peer software protocol stacks can be supported when practically applied PHY (physical layer) layer software entity is separated by establishing a plurality of pairs of transreceiving message queues, stimulating system interrupt, stimulating interface and message conversion mechanisms between MAC (Media Access Control) and PHY, and spatial topological distribution of a plurality of virtual nodes is realized. The retransmission of messages between the virtual nodes is realized by the response of the analog physical layer to upper software protocol stack messages so as to finish the interaction of messages among the virtual nodes, and a reference basis can be provided for performance evaluation and function adjustment of the protocol stacks. The method has the beneficial effects that multi-point communication analog on a single machine platform can be realized, multi-platform multi-point analog also can be realized, and large-scale networking testing can be performed on the function and performance of the protocol stacks under the condition of being separated from the physical layer platform, so that the development cost is reduced, and the development efficiency of products is improved.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a physical layer channel simulation method for network software protocol stack testing. Background technique [0002] In the network protocol stack, the MAC layer and the PHY layer exchange information through primitive messages to complete data scheduling and signal processing. The MAC layer determines the function of the physical layer (PHY) at the time of initialization, and provides channel control information in each frame through the MAC / PHY interface. [0003] The protocol stack is a layered software collection, and each layer is relatively independent. In the process of equipment development, the protocol stack and the hardware platform may be developed at the same time, or the protocol stack may complete the basic function development before the hardware platform. At this time, since there is no physical platform, the protocol function and performance can...

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Application Information

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IPC IPC(8): H04W24/06
Inventor 周继华赵涛宋莉黄华于进强
Owner CHONGQING JINMEI COMM
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