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Channel interception method and terminal equipment

A channel and terminal technology, which is applied in the field of terminal equipment and channel listening methods, can solve the problems of high transmission collision probability and high power consumption of channel listening, and achieve the effect of reducing transmission collision probability and terminal channel listening power consumption

Active Publication Date: 2020-11-03
CHINA ACADEMY OF INFORMATION & COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a channel listening method and terminal equipment to solve the problem of high transmission collision probability and channel listening when re-evaluating reserved transmission resources in existing methods and equipment. The problem of high power consumption

Method used

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  • Channel interception method and terminal equipment
  • Channel interception method and terminal equipment
  • Channel interception method and terminal equipment

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no. 1 Embodiment

[0030] Figure 1(a) is a channel resource time-domain position of an embodiment of the channel sensing indication information, Figure 1(b) is another channel resource time-domain position of the channel sensing indication information embodiment, Figure 1(c) The first embodiment of the present invention provides a method for determining a position of a channel for detecting resources used for re-evaluation of periodically reserved transmission resources, which is the monitoring window of the embodiment of the channel monitoring indication information.

[0031] In the present invention, the system design provides configuration information, which includes channel sensing indication information for periodic re-evaluation of reserved transmission resources, and the channel sensing indication information is used to indicate the sensing period and / or position of the sensing channel resource .

[0032] In the present invention, the periodically reserved transmission resources include t...

no. 2 Embodiment

[0063] Fig. 2 (a) is the method flow of the embodiment of the channel sensing method, Fig. 2 (b) is the periodic reserved resource of the embodiment of the channel sensing method, Fig. 2 (c) is the first resource of the embodiment of the channel sensing method Figure 2(d) is the second interception resource of the embodiment of the channel interception method. The second embodiment of the present invention realizes the channel interception of re-evaluating the periodically reserved resources through the partial interception method. Listen, specifically, a channel listening method, comprising the following steps:

[0064] Step 101, acquiring the configuration information.

[0065]In step 101, the terminal obtains the configuration information, and the configuration information carries channel sensing indication information used by the terminal for re-evaluation of periodically reserved transmission resources.

[0066] The configuration information carries the channel listening...

no. 3 Embodiment

[0075] image 3 It is an embodiment of a channel monitoring terminal device, using the channel monitoring method in the first to second embodiments of the present invention, in the third embodiment of the present invention, a channel monitoring terminal device, including: configuration Module 11, sending module 12, receiving evaluation module 13.

[0076] The configuration module is used to obtain configuration information; the sending module is used to send SCI, wherein the SCI indicates the reserved transmission resource and the reservation period for PSSCH; the sending module is used to send the SCI, wherein the SCI indicates Periodically reserved transmission resources for PSSCH; the receiving and evaluating module is configured to receive, listen and detect SCI, and re-evaluate the periodically reserved resources according to the configuration information.

[0077] The role of the configuration information in the embodiments of the present invention, the reserved transmis...

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Abstract

The invention discloses a channel interception method and terminal equipment, and solves the problems of high transmission collision probability and high channel interception power consumption duringreserved transmission resource re-evaluation in the conventional method and equipment. In order to solve the above problem, the invention provides a channel interception method. The configuration information comprises channel interception indication information used for periodic reserved transmission resource re-evaluation, and the channel interception indication information is used for indicatingan interception period and / or intercepting a channel resource position. Channel interception terminal equipment comprises a configuration module used for acquiring configuration information; a sending module which is used for sending the SCI, wherein the SCI indicates periodic reserved transmission resources for the PSSCH; and a receiving evaluation module which is used for receiving the interception detection SCI and re-evaluating the periodic reserved resources according to the configuration information. According to the invention, partial channel interception with low channel interceptionpower consumption is realized.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a channel monitoring method and terminal equipment. Background technique [0002] In the terminal-to-terminal communication technology, the terminal can select transmission resources by means of channel sensing. To support periodic service transmission, the terminal can indicate periodic resource occupation. Since the selection of transmission resources based on the channel sensing method belongs to distributed channel access, the channel sensing results of different terminals may be different, and collisions may occur when the same transmission resources are selected, and the terminal has sent SCI (Side Link Control Information) to indicate the reserved The transmission resources may also be occupied by other terminals, so the terminal needs to continue to listen to the channel to re-evaluate the reserved transmission resources. At present, the terminal ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W28/26H04L5/00
CPCH04W24/02H04W28/26H04L5/0053Y02D30/70
Inventor 沈霞杜滢闫志宇焦慧颖刘晓峰魏贵明徐菲
Owner CHINA ACADEMY OF INFORMATION & COMM
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