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A system message receiving method and device for an LTE system

A system message and receiving method technology, applied in the field of system message reception and device of LTE system, can solve problems such as large SI delay, and achieve the effect of eliminating delay

Active Publication Date: 2019-11-01
ASR MICROELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the time point at which the SI receives the command just misses the start time point of an SI scheduling cycle, the delay in receiving the SI will be even greater

Method used

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  • A system message receiving method and device for an LTE system
  • A system message receiving method and device for an LTE system
  • A system message receiving method and device for an LTE system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0045] see Figure 6 and Figure 7 A method for receiving system messages by a UE in an LTE system of the present application includes the following steps.

[0046] Step S602: Same as step S102.

[0047] Step S604: Same as step S104.

[0048] Step S606: Same as step S106.

[0049] Step S608: UE receives SIB1 and SI at the same time. exist Figure 7 Among them, SI is represented by SI 0, SI 1...SI n.

[0050] Step S610: Same as step S112.

[0051] Compare Figure 6 and figure 1 It can be seen that the main innovation of this application is to place the receiving of SIB1 and SI in the same step.

[0052] see Figure 8 , the step S608 further includes the following steps.

[0053] Step S802: The high layer of the UE initiates a command to receive the SIB1 to the physical layer of the UE according to the message that the MIB has been successfully decoded.

[0054] Step S804: The physical layer of the UE receives the PDCCH according to known parameters to obtain DCI con...

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Abstract

The invention discloses a system message receiving method for an LTE (Long Term Evolution) system, which comprises the following steps that: step S602, UE (User Equipment) is started, and a high layer of the UE sends a network searching command to a physical layer of the UE; and step S604, the UE performs cell search; S606, the UE receives the MIB; S608, the UE receives the SIB1 and the SI at the same time; S6, the UE continues the random access process. The invention further provides a system message receiving device of the LTE system. Compared with the prior art, the method and the device have the advantages that the SIB1 and the SII are received at the same time and are not in sequence, so that the time delay of the SIB1 receiving caused by an SIB1 decoding error can be reduced or eliminated.

Description

technical field [0001] The present application relates to a system message receiving method of a mobile communication system. Background technique [0002] LTE (Long Time Evolution, long-term evolution technology) is still evolving as 4G (fourth generation mobile communication technology), from the initial Release 8 version to the current Release 15 version. The system information in the LTE system can be divided into MIB (Master Information Block, master information block) and SIB (System Information Blocks, system information block). The SIB can be further divided into SIB1 (System Information Block Type1) and SI (System Information), and SI indicates SIB messages other than SIB1. With the upgrade of the LTE version, the SI, as the carrier for carrying the public parameters of the cell, becomes more and more complex with the increase of LTE functions. In LTE Release 8, SI includes SIB2 to SIB11. In LTE Release 14, SI includes SIB1 to SIB21. For UE (User Equipment, user...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W48/14H04W48/16H04J11/00
CPCH04J11/0069H04L1/0036H04L1/0038H04L1/0045H04L1/0061H04W48/14H04W48/16
Inventor 毛鲁光朱仕轶王明进
Owner ASR MICROELECTRONICS CO LTD