Data transmission method for wireless link control layer

A technology of wireless link control and data transmission method, which is applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problem of breaking the interlayer structure, and achieve the effect of reducing the loopback delay

Active Publication Date: 2006-10-04
XFUSION DIGITAL TECH CO LTD
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Problems solved by technology

[0009] The problem solved by the present invention is to provide a data transmission method of the wireless link control layer, to solve the need in the prior art to modify the TCP parameters or parse the TCP / IP packets in PDCP, break the interlayer structure, and realize the improvement of TCP Defects in transmission performance

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  • Data transmission method for wireless link control layer
  • Data transmission method for wireless link control layer

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Embodiment Construction

[0026] The basic principle of the present invention is as figure 1 shown, including:

[0027] Step s101, the radio link control layer receives the service data unit sent by the upper layer of the local end;

[0028] Step s102, the radio link control layer judges whether the received service data unit carries confirmation information TCP ACK;

[0029] Step s103, the radio link control layer preferentially sends the protocol data unit corresponding to the service data unit carrying the acknowledgment information TCP ACK.

[0030] The present invention reduces the round-trip delay by reducing the TCP ACK transmission delay, so that the data transmission rate is increased and the congestion time is reduced. Because the TCP loopback delay is composed of two parts: the transmission delay of the data segment and the transmission delay of the corresponding TCP ACK. The transmission delay of the data segment is related to the TcpRxBufferSize of the opposite end. The larger the TcpRx...

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Abstract

The invention discloses a data transferring method of the wireless chain circuit control layer, which comprises the following steps: a) the wireless chain circuit control layer receives the server data unit of the upper layer; b) the wireless chain circuit control layer quotes whether the received server data unit has the confirm information TCP ACK; c) the wireless chain circuit control layer first sends the protocol data unit which is corresponding to the server data unit of the confirm information TCP ACK. It provides a RLC data transferring method.

Description

technical field [0001] The invention relates to a data transmission method in the field of wireless communication, in particular to a data transmission method of a wireless link control layer. Background technique [0002] With the development of communication technology, especially the development of third-generation mobile communication technology, data services have become one of the important services of mobile communication systems. Among them, the wireless data service provides end users with a seamless connection to the Internet network, allowing end users to obtain more convenient Internet information through the wireless system. [0003] Since the existing Internet network mainly uses TCP (Transmit Control Protocol, Transmission Control Protocol) / IP (Internet Protocol, Internet Protocol) to carry out networking and complete data transmission, therefore, using wireless data services to provide terminal users with access to the Internet When connecting seamlessly wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L1/16H04L29/08H04L12/721
Inventor 许佰魁
Owner XFUSION DIGITAL TECH CO LTD
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