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Method, access point and user equipment for transmitting information

A technology for user equipment and information transmission, which is applied in the field of information transmission and can solve problems such as waste of frequency band resources

Active Publication Date: 2020-09-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause a waste of frequency band resources, and filling zero itself is an additional overhead, which is not what we want

Method used

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  • Method, access point and user equipment for transmitting information
  • Method, access point and user equipment for transmitting information
  • Method, access point and user equipment for transmitting information

Examples

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Embodiment Construction

[0136] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0137] It should be understood that the technical solution of the present invention can be applied to various communication systems, such as: Global System of Mobile Communication (Global System of Mobile Communication, referred to as "GSM"), Code Division Multiple Access (Code Division Multiple Access, referred to as "CDMA") ”) system, Wideband Code Division Multiple Access Wireless (WCDMA for short), General Packet Radio Service (GPRS for short), Long Ter...

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Abstract

The present invention discloses a method for transmitting information, an access point and user equipment. The method includes: determining the maximum number of OFDM symbols of a frequency band used for downlink transmission, and the maximum number of OFDM symbols of the frequency band is the The maximum value of the maximum number of OFDM symbols of all subbands in the frequency band; according to the relationship between the maximum number of OFDM symbols of the subband to which the user equipment belongs and the maximum number of OFDM symbols of the frequency band, determine whether to send additional Additional long training field indication information of the long training field; sending an indication message to the user equipment, where the indication message includes the additional long training field indication information. The method and device of the embodiment of the present invention can adopt the method of transmitting an additional long training field in the data transmission process, reduce the overhead of filling zeros in the data transmission process, improve the utilization rate of frequency band resources, and improve the reliability of data transmission.

Description

technical field [0001] The present invention relates to the field of communication, and more particularly, to a method of transmitting information, an access point and a user equipment. Background technique [0002] Multiple Input Multiple Output (Multiple Input Multiple Output, referred to as "MIMO") technology can provide transmit (receive) beamforming to effectively increase the transmit (receive) power and effectively improve the reliability of the communication system; on the other hand, MIMO technology can generate additional spatial degrees of freedom to double the throughput of the system and effectively increase the rate of the communication system. Because of these advantages of the MIMO technology, the MIMO technology has become one of the key technologies of the 802.11n standard protocol. The multi-MIMO technology of the 802.11n standard includes space-time coding, beamforming, antenna selection, coherent combining, and spatial multiplexing, and supports simulta...

Claims

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Application Information

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IPC IPC(8): H04B7/08H04L27/26
CPCH04L5/0023H04L5/0048H04L5/0064H04L5/0091H04L1/0031H04L27/2613H04L27/2626H04B7/0452H04L27/26136H04L25/0202H04B7/08H04L27/26
Inventor 卢伟山于健
Owner HUAWEI TECH CO LTD
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