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eMTC terminal coverage mode switching method and device

A coverage mode and terminal technology, applied in the field of communications, can solve problems such as unreasonable switching timing of coverage mode and speed reduction, and achieve the effect of ensuring accuracy and solving speed reduction.

Active Publication Date: 2021-05-04
CHENGDU TD TECH LTD
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Problems solved by technology

[0007] In view of this, the main purpose of the present invention is to provide a coverage mode switching method and device for eMTC terminals, which can solve the problem of rate reduction caused by unreasonable timing of coverage mode switching

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  • eMTC terminal coverage mode switching method and device

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0048] figure 1 It is a schematic flow diagram of the method of the embodiment of the present invention, such as figure 1 As shown, the switching method of the terminal coverage mode implemented in this embodiment mainly includes:

[0049] Step 101, the terminal performs real-time monitoring and statistics on the preset transmission status parameters, and determines whether the current coverage mode needs to be switched according to the transmission status parameters and the preset rate estimation conditions corresponding to the current coverage mode; the transmission The status parameters include the selected MCS order, number of repetitions, bit error rate and reference signal received power (RSRP).

[0050] In this step, different from existi...

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Abstract

The invention discloses a terminal coverage mode switching method and device, and the method comprises the steps that a terminal carries out the real-time monitoring and statistics of preset transmission state parameters, and determines whether the coverage mode needs to be switched or not according to the transmission state parameters and a preset rate estimation condition corresponding to the current coverage mode; the transmission state parameters comprise selected MCS order, repetition times, bit error rate and reference signal receiving power (RSRP); and when it is determined that the coverage mode needs to be switched, the terminal executes a corresponding coverage mode switching operation. By applying the technical scheme disclosed by the invention, the problem of rate reduction caused by unreasonable switching opportunity of the coverage mode can be solved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for switching coverage modes of an Enhanced Machine Type Communications (Enhanced Machine Type Communications, eMTC) terminal. Background technique [0002] The Internet of Things (IoT, Internet of Things) is an important part of the future development of information technology. Its main technical feature is to connect objects to the network through communication technology, so as to realize the intelligent network of human-machine interconnection and object-object interconnection. According to the characteristics of this kind of Internet of Things business, the protocol 3GPP R13 has evolved based on LTE, and designed eMTC technology specially for the Internet of Things. The characteristics of eMTC are wide coverage (compared to LTE15dB coverage enhancement), low cost, low power consumption, and support for massive connections. Among the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W36/00H04W36/30H04W36/32H04W88/06
CPCH04W4/70H04W36/0083H04W36/30H04W36/32H04W88/06Y02D30/70
Inventor 鲜柯王亮张光伟黄伟
Owner CHENGDU TD TECH LTD
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