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DCI transmission method, terminal and network side equipment

A technology of network side equipment and transmission method, applied in the field of downlink control information transmission method, terminal and network side equipment, which can solve the problem of poor flexibility of terminal PDCCH detection

Active Publication Date: 2020-07-07
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a DCI transmission method, terminal and network-side equipment to solve the problem of poor flexibility in terminal PDCCH detection

Method used

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  • DCI transmission method, terminal and network side equipment
  • DCI transmission method, terminal and network side equipment
  • DCI transmission method, terminal and network side equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0152] As an optional implementation, the method also includes:

[0153] If the decoding of the first DCI is not successful, the terminal receives a third DCI sent by the network side device, the third DCI includes third indication information, and the third indication information is used to indicate the terminal Do not perform PDCCH detection for subsequent W detection opportunities, or indicate to perform PDCCH detection at the next detection opportunity, or indicate to stop PDCCH detection at least in the current DRX on period, where W is an integer greater than or equal to 1.

[0154] It should be noted that if the first DCI is not successfully decoded, the terminal may receive the third DCI sent by the network side device because the first DCI is not successfully decoded, and the terminal does not feed back the HARQ- ACK (that is, neither ACK nor NACK is fed back), the network side device does not detect the HARQ-ACK, and thus sends the third DCI. For example: the decodi...

Embodiment 1

[0205] A PDCCH monitoring status field is carried in the DCI, that is, the PDCCH detection status field. Preferably, this field can be composed of multiple consecutive bits. This field has three states corresponding to the following three function indications: the terminal does not perform any subsequent N transmission opportunities. PDCCH detection, where N is statically, semi-statically or dynamically configured by the network side device; continue to perform PDCCH detection at the next transmission opportunity; stop PDCCH detection and enter a sleep state.

[0206] A specific example such as Figure 4 As shown, the PDCCH detection status field can be indicated by two bits. When the value of this field is [0 1], the terminal will skip the PDCCH detection opportunities of N slots. Static or dynamic is indicated for the terminal. The best and simplest way is that the network side device can semi-statically configure the specific value of N for the network side device through R...

Embodiment 2

[0211] A PDCCH monitoring status field is carried in the DCI, that is, the PDCCH detection status field. Preferably, this field is composed of several or more consecutive bits. This field has two states corresponding to the following two functions: the terminal is not correct for the next N The transmission opportunity performs PDCCH detection, where N is statically, semi-statically or dynamically configured by the network side device; continue to perform PDCCH detection at the next transmission opportunity.

[0212] A specific example such as Figure 5 As shown, the PDCCH detection status field can be indicated by 1 bit. When the value of this field is [1], the terminal will skip the PDCCH detection opportunities of N slots. Static or dynamic is indicated for the terminal. The best and simplest way is that the network side device can semi-statically configure the specific value of N for the network side device through RRC signaling, and a bit 1 in the PDCCH detection status f...

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Abstract

The embodiment of the invention provides a DCI transmission method, a terminal and network side equipment. The method comprises: the terminal receives a first DCI sent by the network side equipment, wherein the first DCI comprises first indication information, the first indication information is used for indicating the terminal not to perform PDCCH detection on subsequent N detection opportunities, or is used for indicating to perform PDCCH detection in the next detection opportunity, or is used for indicating to stop PDCCH detection at least in the current DRX on period, and the N is an integer greater than or equal to 1,; and if the first DCI is decoded successfully, the terminal responds to the first indication information. According to the embodiment of the invention, the PDCCH detection flexibility of the terminal is improved, and the power consumption of the terminal can be further saved.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a downlink control information (Downlink Control Information, DCI) transmission method, terminal and network side equipment. Background technique [0002] In the 5G new air interface (New Radio, NR) system, it supports greater bandwidth, higher throughput, more complex services, and more complex processing technologies that match it. In addition, the terminal needs to detect the downlink control channel in the idle state (RRC_IDLE), the inactive state (RRC_Inactive) and the connected state (RRC_Connected). At present, the detection behavior of the physical downlink control channel (Physical downlink control channel, PDCCH) by the terminal is pre-configured, which leads to poor flexibility of the terminal's PDCCH detection. Contents of the invention [0003] Embodiments of the present invention provide a DCI transmission method, a terminal and a network sid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W52/02H04L1/16H04L1/18H04L5/00
CPCH04W24/02H04W52/0209H04L1/1607H04L1/1812H04L5/0055Y02D30/70H04W52/0229H04W52/0235H04W76/28H04W52/0216H04L5/0094H04L5/0053H04W72/23
Inventor 王加庆郑方政杨美英罗晨
Owner DATANG MOBILE COMM EQUIP CO LTD
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