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Uplink data transmission method and system for B-TrunC system

A transmission method and data transmission technology, applied in the B-TrunC system uplink data transmission method and system field, can solve the problems that the terminal cannot obtain the uplink scheduling authorization in time, affect the user experience, increase the service delay, etc., and solve the problem of SR transmission Effects of failure or lag, increasing transmission stability, and reducing transmission delay

Pending Publication Date: 2020-10-02
HEBEI FAREAST COMM SYST ENG
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  • Claims
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Problems solved by technology

However, in the process of sending uplink data, the terminal needs to go through the air interface, so there are many uncertainties that lead to the failure of SR transmission or the failure of the terminal to obtain the uplink scheduling authorization in time, which will increase the service delay and affect the user experience

Method used

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  • Uplink data transmission method and system for B-TrunC system
  • Uplink data transmission method and system for B-TrunC system
  • Uplink data transmission method and system for B-TrunC system

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] A B-TrunC system uplink data transmission method, including a terminal process and a base station process, wherein the terminal process includes the following steps:

[0031] Step 1.1: The uplink service data arrives and waits to be sent. At the same time, regardless of whether there is uplink service data to be sent, the terminal periodically obtains the uplink periodic authorization allocated by the base station;

[0032] Step 1.2: Report the BSR buffer status report to the base station through the uplink periodic authorization;

[0033] Step 1.3: Waiting for the base station to allocate uplink authorization for the corresponding data to the terminal;

[0034] Step 1.4: If there is uplink business data to be sent, perform data transmission after obtaining uplink authorization;

[0035] The base station process includes the following steps:

[0036...

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Abstract

The invention discloses an uplink data transmission method and system for a B-TrunC system, and belongs to the technical field of mobile communication. According to the invention, the uplink data transmission process of the B-Trunc system is optimized, when no uplink data needs to be transmitted, the base station can also periodically give uplink authorization occupying a small amount of resourcesto the terminal, and when uplink data needs to be sent, the terminal can send the BSR to the base station by using the resources authorized by the uplink period; and after receiving the BSR reportedby the terminal, the base station allocates required uplink resources to the terminal. Compared with the prior art, the time for acquiring and reporting the BSR uplink resources through the SR is saved for the terminal, the time delay is prevented from being lengthened due to SR reporting failure, the effects of reducing the transmission time delay of the uplink or loopback service and enhancing the service transmission stability are achieved, and the service quality of the base station to the time delay sensitive service can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a B-TrunC system uplink data transmission method and system. Background technique [0002] LTE (Long Term Evolution) is a long-term evolution of the UMTS (Universal Mobile Telecommunications System) technical standard formulated by 3GPP (The 3rd Generation Partnership Project). It was officially established and launched at the 3GPP Toronto meeting in December 2004. The LTE system introduces key technologies such as OFDM (Orthogonal Frequency Division Multiplexing) and MIMO (Multi-Input&Multi-Output), which significantly increases spectrum efficiency and data transmission rate. The maximum downlink transmission rate is 150Mbps, the uplink is 50Mbps, and supports multiple bandwidths It supports global mainstream 2G / 3G frequency bands and some new frequency bands, so the spectrum allocation is more flexible, and the system capacity and coverage are also significantly im...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W72/12H04W28/02
CPCH04W28/0278H04W72/1268H04W72/21
Inventor 孙发帅侯位昭王翔李勇李丹丽李士东蒋国华贾志华南永涛张婵
Owner HEBEI FAREAST COMM SYST ENG
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