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Information transmission method, initiating node and response node

An information transmission and node technology, applied in the field of communication, can solve the problems affecting the quality of information transmission, large path loss, serious signal attenuation, etc., and achieve the effect of improving the quality of information transmission and reducing the path loss.

Pending Publication Date: 2020-01-31
HUAWEI TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] However, there is no relationship between channel estimation and the sending and receiving directions of communication nodes. This makes most communication nodes on low-frequency channels use omnidirectional data sending and receiving. The signal attenuation is serious and the path loss is large, which affects the quality of information transmission.

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  • Information transmission method, initiating node and response node
  • Information transmission method, initiating node and response node
  • Information transmission method, initiating node and response node

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Embodiment Construction

[0103] The information transmission method, initiating node, and responding node provided by each embodiment of the present application are applicable to a wireless local area network (Wireless Local Area Networks, WLAN) system, especially applicable to the 802.11ad standard, the 802.11ay standard and subsequent improved standards of the standard. WLAN system. figure 1 It is a schematic structural diagram of a network system applicable to various embodiments of the present application. Such as figure 1 As shown, the network system to which the information transmission method is applicable may include, for example, at least one network device and at least one user device. Wherein, for a WLAN system, the network device may be, for example, a basic service set control point (PersonalBasic Service Set Control Point, PCP) / access point (Access Point, AP). The user equipment may be a station (STation, STA). The user equipment may be, for example, a smart phone, a tablet computer, ...

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Abstract

The embodiment of the invention provides an information transmission method, an initiating node and a response node. The information transmission method comprises the following steps that: the initiating node sends at least one first frame with at least one directional sending direction to a response node on a low-frequency channel for carrying out beamforming training in the sending direction, and receives a second frame comprising a beamforming training result from the response node on the low-frequency channel. According to the embodiment of the invention, the path loss of transmission information on a low-frequency channel can be reduced, and the signal strength is improved.

Description

technical field [0001] The present application relates to the field of communication technology, and in particular to an information transmission method, an initiating node and a responding node. Background technique [0002] Wireless Local Area Networks (WLAN) can work in low-frequency bands of 2.4GHz and 5GHz, and can also work in high-frequency bands of millimeter waves. [0003] At present, most WLANs work in low-frequency channels. On low-frequency channels, communication nodes need to perform channel estimation before transmitting data. According to the feedback channel status, an idle channel is determined for data transmission. [0004] However, channel estimation has no relationship with the sending and receiving directions of communication nodes. This makes most communication nodes on low-frequency channels use omnidirectional data sending and receiving. The signal attenuation is serious and the path loss is large, which affects the quality of information transmiss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/28H04B7/06
CPCH04B7/0617H04W16/28H04B7/04H04B7/06
Inventor 韩霄郭宇宸淦明于健
Owner HUAWEI TECH CO LTD
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