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Mobile communication system, network equipment, terminal equipment and data scheduling method

A mobile communication system, data scheduling technology, applied in transmission systems, wireless communication, digital transmission systems, etc., to achieve the effect of improving efficiency and meeting performance requirements

Active Publication Date: 2020-03-10
CHINA ACADEMY OF INFORMATION & COMM
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] This application provides a mobile communication system, network equipment, terminal equipment and a data scheduling method, aiming to solve the problem of how to perform efficient hybrid automatic repeat request response between network equipment and terminal equipment when multiple PDCCHs correspond to the same PDSCH set

Method used

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  • Mobile communication system, network equipment, terminal equipment and data scheduling method
  • Mobile communication system, network equipment, terminal equipment and data scheduling method
  • Mobile communication system, network equipment, terminal equipment and data scheduling method

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Embodiment Construction

[0033] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0034] In the NR Rel.15 standard, a network device schedules a PDSCH for transmitting downlink information through a PDCCH. According to the description of 3GPP TS 38.211.Vf20 and 3GPP TS 38.213.Vf20: a control resource set (Control-resource set, CORESET for short) is defined in the NR system. CORESET consists of frequency on resource blocks, time ...

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Abstract

The invention discloses a mobile communication system, network equipment, terminal equipment and a data scheduling method, and the method comprises the following steps: searching a PDCCH set which comprises at least two repeated PDCCHs and is used for scheduling one target PDSCH set; wherein the value of the DAI field of each PDCCH in the PDCCH set is determined according to the position sequenceof the DAI field in the PDCCH set; wherein the position sequencing is that at least one numerical value of a monitoring moment, a serving cell index, a bandwidth part index, a CORESET index, a searchspace index and a CCE index is arranged from small to large according to an identifier of a transmission resource occupied by each PDCCH in the PDCCH set; determining the number of bits of the HARQ-ACK codebook and each piece of HARQ-ACK information according to the searched DAI field of the PDCCH; and sending the HARQ-ACK codebook. The invention further comprises a mobile communication network device, a terminal device and a system which apply the method. By using the dynamic HARQ-ACK codebook determined by the sorting mode of the DAI in the downlink control channel in the invention, the timedelay requirement and the efficiency requirement of uplink control information transmission in an NR system are met.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to a data scheduling method, a mobile communication device and a system applying the data scheduling method. Background technique [0002] In NR technology, the network device schedules the physical downlink shared channel (Physical Downlink Control Channel, PDSCH) used to transmit downlink information through the Physical Downlink Control Channel (PDCCH), and the physical uplink shared channel for the terminal equipment (UE) to send uplink information channel (PUSCH). The terminal device sends acknowledgment (ACK) or non-acknowledgement (NACK) information of downlink service data reception to the network device, so that the network device determines whether to reschedule the downlink service data or schedule channel downlink service data to the terminal device. ACK and NACK information are collectively referred to as hybrid automatic repeat request ackno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/12H04W72/04H04L1/18H04L1/16
CPCH04L1/1812H04L1/1607H04W72/0453H04W72/0446H04W72/23
Inventor 闫志宇杜滢
Owner CHINA ACADEMY OF INFORMATION & COMM
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