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A Method of Dynamically Using Packet Aggregation Transmission Based on Network State

A network status and data packet technology, applied in the field of communication, can solve problems such as long time consumption, increased network delay, and reduced network performance, and achieve the effect of reducing delay, improving performance, and reducing the probability of transmission failure.

Active Publication Date: 2017-04-19
西安三好软件技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the network status is not good, using data packet aggregation technology takes a long time to deal with collisions and retransmissions, resulting in an increase in the delay of the entire network and a decrease in network performance.

Method used

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  • A Method of Dynamically Using Packet Aggregation Transmission Based on Network State
  • A Method of Dynamically Using Packet Aggregation Transmission Based on Network State
  • A Method of Dynamically Using Packet Aggregation Transmission Based on Network State

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Embodiment Construction

[0019] refer to figure 1 , the implementation steps of the present invention are as follows:

[0020] Step 1, channel competition.

[0021] The wireless access point AP competes with the wireless station for the channel. If the wireless access point AP obtains the channel, perform step 2. If the wireless station obtains the channel, perform step 3. If neither the wireless access point AP nor the wireless station obtains the channel, That is, if a collision occurs in the channel, go to step 4.

[0022] Step 2, the wireless access point AP sends data to the wireless station, that is, performs downlink data transmission.

[0023] refer to figure 2 , the specific implementation of this step is as follows:

[0024] 2a) The wireless access point AP counts the number n of collisions and the number m of initiated data transmissions in the current time period, and calculates the ratio of the number of collisions to the number of data packet transmissions, that is, the collision oc...

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Abstract

The invention discloses a method for dynamically utilizing data packet aggregation transmission based on a network state, for mainly solving the problem that the performance of a network is degraded when data packet aggregation transmission is used under the condition that the network is not in a good state in the prior art. According to the scheme, the method comprises the following steps: firstly, counting the collision occurrence rate p of the network within present time through a wireless access point AP, setting a collision occurrence rate threshold th, subsequently comparing the collision occurrence rate p with the collision occurrence rate threshold, if p is greater than th, transmitting a single data packet at a wireless station and the wireless access point AP, and if p is less than or equal to th, packaging a plurality of data packets handed down from an upper computer into one medium access control (MAC) frames for transmitting through the wireless station and the wireless access point AP. By adopting the method, the data transmission time delay of the network is reduced, the performance of the network is improved, and the method can be applied to heavy-load network communication.

Description

technical field [0001] The invention belongs to the field of communication technology, and further relates to a method for dynamically using data packet transmission based on network status in the field of wireless local area networks, which can be used in wireless local area networks using data packet aggregation technology to reduce link transmission time and effectively improve the performance of wireless networks. performance. Background technique [0002] In a data packet communication network based on the Open Systems Interconnection OSI, each layer must add a header to the data to store some control information. The overhead caused by these header transmissions will have a great impact on network performance, especially under heavy load conditions, these overheads will reduce the bandwidth utilization of application services. For services with small data packets, header transmission takes more time, wasting most of the transmission time. In order to reduce the trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04W74/08H04L1/16H04L5/00
Inventor 李长乐陈睿刘会影郭超
Owner 西安三好软件技术股份有限公司
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