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A channel detection method, apparatus and system

A technology for channel detection and indication information, which is applied in transmission systems, digital transmission systems, diversity/multi-antenna systems, etc., and can solve problems such as low channel detection efficiency

Inactive Publication Date: 2016-11-23
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the prior art, the AP can only perform channel detection on one terminal at a time, thus resulting in low channel detection efficiency

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  • A channel detection method, apparatus and system
  • A channel detection method, apparatus and system
  • A channel detection method, apparatus and system

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Embodiment Construction

[0190] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0191] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0192] The channel detection method provided by the embodiment of the present invention may be specifically applied to a scenario where an AP detects resources of an uplink channel for at least one terminal, where the resources of the uplink channel may in...

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Abstract

The invention discloses a channel detection method, apparatus and system. The method comprises the following steps: an AP sends a channel sounding request frame to at least one terminal, wherein the channel sounding request frame includes instruction information for acquiring the channel state between the AP and each terminal; the AP obtains a channel sounding request response frame of each terminal, wherein the channel sounding request response frame includes information for identifying the channel state between the AP and each terminal. The AP obtains uplink channel state information between the AP and each terminal according to the channel probe request response frame. The AP can perform channel sounding on a plurality of terminals at the same time, thus improving the efficiency of the AP in the uplink channel sounding for the plurality of terminals.

Description

technical field [0001] The invention relates to wireless communication technology, in particular to a channel detection method, device and system. Background technique [0002] With the development of communication technology and information technology, wireless communication network occupies people's life more and more with its great flexibility, and becomes an indispensable part of people's life. [0003] Usually, in a wireless communication network, when a wireless access point (Access Point, referred to as AP) is about to detect the channel status of multiple terminals (User Equipment, referred to as UE), the AP first sends a channel detection request frame to the first terminal. Obtain the channel detection request frame sent by the first terminal, and after determining the channel state information between the AP and the first terminal, send the channel detection request frame to the second terminal, and obtain the channel detection request sent by the second terminal ...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04B7/06
CPCH04L1/00
Inventor 林伟姚珂邢卫民
Owner ZTE CORP