Data transmission method and equipment

A data transmission method and data transmission technology, applied in the field of data transmission in WLAN, can solve problems such as user collisions, achieve the effects of reducing power consumption, flexible uplink and downlink scheduling transmission, and improving efficiency

Active Publication Date: 2014-03-26
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a data transmission method and equipment, realize uplink and downlink scheduling, and solve the problems of user collision and hidden nodes while ensuring transmission efficiency, which can reduce power consumption and interference between users

Method used

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  • Data transmission method and equipment
  • Data transmission method and equipment
  • Data transmission method and equipment

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Embodiment Construction

[0039] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0040] figure 1 is a flow chart of the data transmission method provided by the embodiment of the present invention, such as figure 1 shown, including:

[0041] Step 101, in the wireless local area network WLAN, the access point AP dynamically allocates uplink time slots and / or downlink time slots for data transmission to each station STA according to data transmission requirements, and sends the time slot information to the corresponding STAs .

[0042] The AP sends the uplink time slot and / or downlink time slot information to the corresponding STA by sending a beacon frame to the STA. The beacon frame (that is, the Beacon frame) is sent periodically ...

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Abstract

The invention discloses a data transmission method and equipment, and relates to a WLAN (Wireless Local Area Network) technology. The method comprises the following steps: in the WLAN, an access point (AP) dynamically allocates uplink timeslot and / or downlink timeslot used for data transmission for each STA according to data transmission demands and sends the timeslot information to the corresponding STA; for the uplink timeslot, the AP receives uplink data frames from the corresponding STA when the AP allocates the uplink timeslot to the STA; for the downlink timeslot, the AP sends downlink data frames to the corresponding STA when the AP allocates the downlink timeslot to the STA. The method and the equipment achieve uplink and downlink scheduling, solve the problems of user collision and hidden nodes, ensure the data transmission efficiency, and reduce power consumption and interference among users.

Description

technical field [0001] The present invention relates to wireless local area network (WLAN) technology, in particular to a method and equipment for data transmission in WLAN. Background technique [0002] With the wide application of WLAN derived from the 802.11 standard, its network coverage has also evolved from the original simple office or home LAN with relatively few users to the current large-scale carrier-class operation, and the application scenarios have gradually spread to User-intensive areas such as convention and exhibition centers, stadiums, transportation hubs, and airports and universities. Faced with the large-scale networking requirements of carrier-class operations, the original 802.11 technology also has a process of continuous updating and optimization. [0003] The specific carrier sense and multiple access / collision avoidance (CSMA / CA) mechanism used in 802.11MAC is called the distributed coordination function (DCF). DCF provides a distributed, content...

Claims

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Application Information

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IPC IPC(8): H04W74/08
CPCY02B60/50Y02D30/70
Inventor 林伟傅强刘向凤
Owner ZTE CORP
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