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Data transmission method and device

A data transmission method and technology of a data transmission device are applied in the directions of error prevention/detection, electrical components, connection management, etc. using a return channel, which can solve power measurement errors, mutual interference of direct links, and waste of direct link resources. and other problems to achieve the effect of improving efficiency and reducing waste

Active Publication Date: 2017-02-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Power measurement needs to be performed before power control. However, there are errors in power measurement, and there will still be mutual interference between direct links with frequency spatial multiplexing, which will cause the direct link to fail to work, resulting in direct link resources. waste

Method used

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  • Data transmission method and device
  • Data transmission method and device

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0052] It should be understood that although the terms first, second, etc. may be used in the embodiments of the present invention to describe each site, user, or terminal, the site, user, or terminal should not be limited to these terms. These terms are only used to distinguish sites, users or terminals from each other. For example, without departing from the scope of the embodiments of the present invention, the first site can also be called the second site, and similar...

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Abstract

The present invention discloses a data transmission method and device. The method comprises the steps of using a first station to receive a data message sent by a second station during the data continuous transmission period; when the first station does not receive the data message sent by the second station successfully, using the first station to send a data message that is not confirmed instantly to the second station. According to the present invention, the waste of the directly connected link resources after interference can be reduced, and the bandwidth efficiency is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and device. Background technique [0002] Wireless Fidelity (Wireless Fidelity, WiFi) is a wireless local area network technology based on the IEEE802.11 standard of the Institute of Electrical and Electronics Engineers (IEEE). Terminals such as equipment (User Equipment, UE) form a computer network in a wireless manner. A WiFi network consists of stations (Station, STA), which may include an access point (Access Point, AP) and a user station, and the communication link between the access point and the user station is called an indirect link. In order to improve the utilization efficiency of bandwidth, the IEEE802.11 standard stipulates the direct link (Direct Link) technology, that is, the communication link between the user site and the user site does not need to pass through the access point, but at the same time only Allows a pair o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/00H04W74/08H04W76/02H04L1/16
Inventor 乔登宇丁志明树贵明杜振国
Owner HUAWEI TECH CO LTD
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