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Wireless transmission method, apparatus, and system

A wireless transmission and timely technology, applied in the field of wireless communication, can solve the problem of undefined media access control service data unit transmission, etc., and achieve the effect of efficient transmission mechanism

Inactive Publication Date: 2008-07-02
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the IEEE802.11N standard does not define the transmission of media access control service data units

Method used

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  • Wireless transmission method, apparatus, and system
  • Wireless transmission method, apparatus, and system
  • Wireless transmission method, apparatus, and system

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Embodiment Construction

[0022] The first embodiment provided by the present invention is a wireless transmission method, which transmits a data unit from a first communication layer to a third communication layer through a second communication layer. figure 2 It is a flow chart of the method of the first embodiment provided by the present invention. In step 201, a transmission opportunity is obtained. The data unit is in the format of an information frame and can be expressed as a media access control service data unit, an aggregate media access control service data unit, a media access control protocol data unit and an aggregate media access control protocol data unit. The data unit mentioned below is equivalent to an information frame. In step 202, a transfer descriptor is read. The transfer descriptor contains the attributes and address of the data unit. The address points to a storage location of a memory, where the memory is used to store the data unit. And in step 202 the data unit is unac...

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Abstract

The invention relates to a wireless transmission method, device and system for transmitting an aggregated data unit from a first communication layer to a third communication layer. The wireless transmission system includes a device; this device includes a receiver and a processor; the wireless transmission system transmits a aggregated data unit from the first communication layer to the third communication layer; a wireless transmission method implemented in the second communication layer, for transmitting data from a first communication layer to a third communication layer, comprises steps: picking a information from the first communication layer; according to the information, the information frame to be transmitted is aggregated in a preset length so as to be transmitted to the third communication layer; the multiple information frames to be transmitted form the data, wherein when the second communication layer cannot transmit in time any part of the plurality of aggregated information frames to be transmitted, the transmission is filled up. By the method for picking the information of the information frame to be transmitted, and aggregating the information frame to be transmitted according to the picked information, it is insured that the wireless transmission system updates the aggregated parameter real-time; and the multiple information frames can be transmitted at one time according with the request of critical time, and a steady and high effective transmission mechanism is defined.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a wireless transmission device, system and method including a transmission device for transmitting aggregated data from a first communication layer to a third communication layer and padding the transmission. Background technique [0002] Generally speaking, a wireless local area network includes three layers: the first communication layer, that is, a host to transmit data or information frames, such as a medium access control service data unit (MAC Service Data Unit, MSDU), to the second communication layer; The second communication layer is used for buffering the data or information frame transmitted from the host, and transmitting the data or information frame to the third communication layer. Each MSDU corresponds to a description, such as a TX Descriptor, which records attributes and storage addresses of the MSDU. The storage address is used to locate the addre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/08
CPCH04L1/1874H04W28/06H04L69/323H04L69/325H04L69/324H04L69/32
Inventor 曹文龙
Owner MEDIATEK INC