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A communication method, hotspot access device and terminal device

A technology of a terminal device and a communication method, applied in the field of communication, can solve the problems of unlimited MPDU transmission bytes, long time for the terminal to send a message, affecting low-latency service experience, etc., so as to reduce the message transmission time and improve the User experience, the effect of improving the experience

Active Publication Date: 2020-10-16
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During MAC encapsulation and physical encapsulation, in order to increase the transmission rate of the air interface, multiple MSDUs can be aggregated into one MPDU frame for message transmission, and at the same time, burst mode can be used to send multiple PPDUs at one time, but now In the existing technology, there is no limit to the number of bytes transmitted by the MPDU, which leads to a relatively long time for the terminal to send a message. In addition, in the prior art, there is no limit to the time for MPDU aggregation, which leads to a long transmission time and affects the User experience on low-latency services

Method used

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  • A communication method, hotspot access device and terminal device
  • A communication method, hotspot access device and terminal device
  • A communication method, hotspot access device and terminal device

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Embodiment Construction

[0072] During MAC encapsulation and physical encapsulation, in order to increase the transmission rate of the air interface, multiple MSDUs can be aggregated into one MPDU frame. This aggregation is called MAC service data unit aggregation (aggregate MAC service data unit, A-MSDU); MPDUs are aggregated into 1 PPDU frame. This aggregation is called MAC protocol data unit aggregation (aggregate MACprotocol data unit, A-MPDU), such as figure 2 and image 3 shown. At the same time, in order to further improve the transmission efficiency of the air interface, many devices support the burst mode on the basis of supporting A-MPDU, that is, when the device competes for the transmission opportunity of the air interface, it sends multiple PPDUs at one time (such as Figure 4 shown).

[0073] As shown in Figure 5(a), in the frame structure of A-MPDU, only the number of bytes transmitted by MSDU (0-2304 bytes) is limited, and the transmission time of MPDU is not limited, resulting in ...

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Abstract

The invention provides a communication negotiation method, access hotspot equipment and terminal equipment. The communication negotiation method comprises the steps that the terminal equipment receives a first message sent by the access hotspot equipment, and the first message comprises indication information; and the terminal equipment determines the maximum length of the aggregation of the MPDU and the number of the PPDUs using the burst mode to send the physical layer convergence protocol layer protocol data units according to the indication information, and aggregates the MPDU according to the maximum length aggregated by the MPDU, wherein when the burst mode is used for sending the PPDU, and the PPDU is sent according to the sending number of the PPDU, the time length of sending the service data by single terminal equipment at a time is reduced, and the time delay of sending the priority service data is reduced, and the experience of a user on the low-time-delay service is improved especially for the low-time-delay service.

Description

technical field [0001] The present invention relates to the communication field, in particular to a communication method for reducing time delay, access hotspot equipment and terminal equipment. Background technique [0002] Messages sent between terminal devices connected through a wired network are called multiple access control (MAC) service data after the messages are encapsulated by logical link control (LLC) according to the protocol level. Unit (MAC service data unit, MSDU). After being encapsulated by the media access control (madia access control, MAC) layer of the 802.11 protocol, it is called a MAC protocol data unit (MAC protocol data unit, MPDU). After encapsulating the physical layer of the 802.11 protocol, it is called the physical layer convergence procedure (PLCP) layer protocol data unit (PLCP protocol data unit, PPDU), such as figure 1 shown. [0003] During MAC encapsulation and physical encapsulation, in order to increase the transmission rate of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W28/02H04L1/00
CPCH04L1/0006H04L5/0053H04W28/02
Inventor 赵望生
Owner HUAWEI TECH CO LTD
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