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Random access control method of machine type communication (MTC) equipment and MTC equipment

A technology of random access and control method, applied in the field of communication, can solve the problems of network congestion and mobile user use, and achieve the effects of reducing impact, reducing changes, and avoiding congestion

Active Publication Date: 2011-11-09
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0036] Embodiments of the present invention provide a random access control method for MTC devices and MTC devices to solve the problem that the communication of existing MTC devices easily causes network congestion and affects the use of mobile users

Method used

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  • Random access control method of machine type communication (MTC) equipment and MTC equipment
  • Random access control method of machine type communication (MTC) equipment and MTC equipment
  • Random access control method of machine type communication (MTC) equipment and MTC equipment

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Experimental program
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Effect test

Embodiment 1

[0058] According to Embodiment 1 of the present invention, a random access control method for MTC equipment is provided, such as Figure 4 shown, including:

[0059] Step S401, obtain relevant parameters for determining the random access load by monitoring the channel on which the network side delivers the random access response message to other user equipments;

[0060] According to the existing random access procedure, whether in the UMTS system or the LTE system, the MTC device, as a mobile user equipment UE, can monitor the channel on which the network side delivers random access responses to other user equipments. According to the monitoring of the channel, relevant parameters for determining the random access load can be obtained. These relevant parameters are parameters that can characterize the random access load strength of the network. The specific parameters are not limited. There are multiple parameters of the load intensity, and the related parameters can be a co...

Embodiment 2

[0082] According to Embodiment 2 of the present invention, the random access control of the MTC device provided in Embodiment 1 of the present invention is applied to the UMTS system. In the UMTS system, when the MTC device has data and needs to initiate random access, it directly performs random access control by judging the random access load of the network according to the method of Embodiment 1.

[0083] According to the random access process of the UMTS system, when the UE initiates a random access request including the uplink synchronization code SYNC_UL / uplink synchronization code identifier preamble to the network side, the network side sends the fast physical access indication channel FPACH (TDD system) / AICH (WCDMA system) to the network side. ) sends a random access response message to the UE. Therefore, in this embodiment, the channel monitored by the MTC device is FPACH (TDD system) / AICH (WCDMA system). Random access control is performed by detecting the random ac...

Embodiment 3

[0096] According to Embodiment 3 of the present invention, the random access control of the MTC device provided in Embodiment 1 of the present invention is applied to the LTE system. In the LTE system, when there is data and needs to initiate random access, the MTC device directly performs random access control by determining the random access load of the network according to the method provided in Embodiment 1.

[0097] According to the random access process of the LTE system, the eNB on the network side is responsible for the configuration of the available preamble and PRACH resources, and notifies the UE of the configuration results through system messages. Whether it is a contention random access process or a non-contention random access process, after the network side receives the preamble sent by the UE, the network side sends a random access response on the PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel). Scheduling is performed by scheduling ...

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Abstract

The invention discloses a random access control method of machine type communication (MTC) equipment and the MTC equipment, and is used for solving the problem caused by random access of multiple pieces of MTC equipment in the current network. The method comprises the following steps of: acquiring relevant parameters of a random access load by monitoring a channel which is used for transmitting a random access response message to other user equipment by a network side; determining the random access load according to the acquired relevant parameters; and controlling random access according to a comparison result between the determined random access load and a set load. In the MTC equipment, the random access is controlled by judging the random access load of the network, the congestion caused by simultaneously accessing multiple MTC terminals to the network can be avoided, the influence of the MTC equipment access on the traditional mobile terminal access is reduced, and the change on the action of network-side equipment is simultaneously reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular, to an MTC (MachineType Communications, MachineType Communications) random access control method and an MTC device. Background technique [0002] The MTC (Machine Type Communications) function needs to be supported in the third-generation mobile communication system and its long-term evolution system. As a new communication concept, MTC aims to organically combine a variety of different types of communication technologies, such as machine-to-machine communication, machine control communication, human-computer interaction communication, and mobile Internet communication, thereby promoting social production and lifestyles development of. It is expected that the business of person-to-person communication in the future may only account for 1 / 3 of the entire terminal market, while a larger amount of communication is MTC communication business. Sometimes, MTC commun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04L1/00
Inventor 赵毅房家奕张英
Owner DATANG MOBILE COMM EQUIP CO LTD
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