Data transmission method, device and terminal

A data transmission method and terminal technology, applied in the field of communication, can solve problems such as inability to guarantee reliable transmission of services

Active Publication Date: 2021-01-26
DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a data transmission method, device and terminal, which solves the problem that the ...

Method used

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  • Data transmission method, device and terminal
  • Data transmission method, device and terminal
  • Data transmission method, device and terminal

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0107] Such as Figure 5 As shown, the embodiment of the present invention provides a data transmission method, which is applied to the first terminal, and specifically includes the following steps:

[0108] Step 11: Determine the target resource selection window according to the discontinuous reception DRX configuration of the second terminal;

[0109] Wherein, according to the discontinuous reception DRX configuration of the second terminal, the target resource selection window is determined from the determined resource selection window; the determined resource selection window is set by the first terminal according to the parameters configured by the high layer, such as figure 2 , the determined resource selection window corresponds to the n+T1 to n+T2 time period, n is the generation time of the current data packet or the resource reselection time, 0≤T 1 ≤T proc,1 ,T proc,1 Indicates the transmission processing delay of the terminal, T 2min ≤T 2 ≤ remaining PDB, T 2...

no. 2 example

[0207] Such as Figure 20 As shown, the embodiment of the present invention provides a data transmission device 2000, which is applied to the first terminal, including:

[0208] A determining module 2001, configured to determine a target resource selection window according to the discontinuous reception DRX configuration of the second terminal;

[0209] A resource selection module 2002, configured to select a transmission resource for a data packet in the target resource selection window; wherein, at least the first M transmission resources of the data packet are within a target time period, and the target time period is the target resource Selecting a time period in which the window overlaps with the receiving time period configured by the DRX, N≥M≥1, and N is the total number of transmission times of data packets;

[0210] A transmission module 2003, configured to transmit the data packet to the second terminal on the transmission resource.

[0211] Optionally, the determi...

no. 3 example

[0237] In order to better achieve the above purpose, such as Figure 21As shown, the present invention also provides a terminal, which is specifically a first terminal, including: a processor 2100; and a memory 2120 connected to the processor 2100 through a bus interface, and the memory 2120 is used to store the The program and data used by the processor 2100 when performing operations, the processor 2100 invokes and executes the program and data stored in the memory 2120 .

[0238] Wherein, the transceiver 2110 is connected to the bus interface, and is used to receive and send data under the control of the processor 2100; the processor 2100 is used to read the program in the memory 2120 and perform the following steps:

[0239] determining a target resource selection window according to the discontinuous reception DRX configuration of the second terminal;

[0240] In the target resource selection window, a transmission resource is selected for the data packet; wherein, at le...

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Abstract

The invention provides a data transmission method, device and terminal, and the method is applied to a first terminal. The method comprises steps of determining a target resource selection window according to the discontinuous reception DRX configuration of a second terminal; selecting a transmission resource for a data packet in the target resource selection window; wherein at least the first M times of transmission resources of the data packet are in a target time period, the target time period is a time period in which the target resource selection window is overlapped with a receiving timeperiod configured by the DRX, N is greater than or equal to M and greater than or equal to 1, and N is the total transmission times of the data packet; and transmitting the data packet to the secondterminal on the transmission resource. According to the method, transmission reliability of the service can be ensured when a DRX mechanism is introduced into the straight-through link.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a data transmission method, device and terminal. Background technique [0002] In a mobile communication system based on shared channels, such as LTE, the transmission of uplink and downlink data is controlled by the base station (eNB) scheduler. When the scheduler determines to schedule a certain user, it will notify the terminal on which resource to send through the control channel. or receive data. The terminal (UE) monitors the control channel, and when it detects that it contains its own scheduling information, it completes data transmission (uplink) or reception (downlink) according to the instructions on the control channel. In the activated state, since the terminal is not sure when the eNB will schedule it, a common working mode is that the terminal continuously monitors the control channel, and analyzes each subframe containing its downlink schedul...

Claims

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Application Information

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IPC IPC(8): H04W52/02H04W72/04H04W76/28
CPCH04W52/0248H04W72/0446H04W76/28Y02D30/70H04W52/0216H04W72/02H04W92/18
Inventor 温小然赵锐
Owner DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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