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Method for transmitting wireless frame and wireless network device

A technology of wireless network equipment and transmission method, applied in the field of wireless communication, can solve the problems of long transmission period of detection signal, poor timeliness of channel state, etc.

Active Publication Date: 2017-07-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sending period of the sounding signal in the current TDD system is long, and the timeliness of the channel state acquired by the base station is poor.

Method used

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  • Method for transmitting wireless frame and wireless network device
  • Method for transmitting wireless frame and wireless network device
  • Method for transmitting wireless frame and wireless network device

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Embodiment Construction

[0039] The technical solutions of the embodiments of the present invention can be applied to various communication systems, such as: LTE (Long Term Evolution, Long Term Evolution) TDD system, distributed MIMO system based on multi-cell cooperation or Massive MIMO system based on large-scale antenna groups, in the future Evolved 5G (the 5th Generation, fifth-generation mobile communication) system, M2M (Machine to Machine, machine-to-machine communication) system, D2D (Device to Device, device-to-device communication) system, or multiple base station coordinated systems, etc. . figure 1 It is a simplified application scene diagram for various communication systems according to the embodiment of the present invention. As shown in the figure, it includes at least a base station and multiple user equipments in the same cell. The message sent by the user equipment is called downlink transmission. The transmission channel between the user equipment and the base station is called a ...

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Abstract

The embodiment of the invention discloses a method for transmitting a wireless frame. The method comprises the following steps: determining configuration information of the wireless frame; and performing uplink transmission of the wireless frame according to the configuration information of the wireless frame, wherein the wireless frame comprises at least three special sub-frames. Correspondingly, the embodiment of the invention further discloses a wireless network device. By adoption of the method disclosed by the invention, the number of the sub-frames applied to uplink transmission in the wireless frame can be increased, and then the number of the sub-frames used for sending detection signals is increased, thereby improving the timeliness of obtaining a downlink channel state.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a wireless frame transmission method and wireless network equipment. Background technique [0002] With the evolution of wireless communication technology, in the future 5G (the 5th Generation, fifth generation mobile communication technology) system, an important feature is to introduce more transmission antennas, such as distributed MIMO (Multiple -Input Multiple-Output, multiple input multiple output) system, or a Massive MIMO system based on a large-scale antenna group. In downlink data transmission, the performance of MIMO transmission depends on the acquisition of the downlink channel state, that is, the more time-sensitive the acquisition of the downlink channel state is, the better the performance of MIMO transmission will be. [0003] In a TDD (Time Division Duplexing) system, since the uplink and downlink channels use the same frequency, that is,...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/0446H04L27/2602H04W72/20H04L5/0051H04L5/0092H04L5/1469H04L5/0048
Inventor 李元杰佩尔·腾奎思比约恩·斯鲍姆
Owner HUAWEI TECH CO LTD
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