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Time domain resource determination method and device, equipment and storage medium

A technology of time domain resources and determination method, applied in the field of communication, can solve the problem of not providing

Active Publication Date: 2021-04-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, currently NR only provides a method for determining time domain resources in unicast transmission scenarios, and does not provide a method for determining the time domain position of PDSCH in multicast / broadcast / multicast transmission scenarios

Method used

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  • Time domain resource determination method and device, equipment and storage medium
  • Time domain resource determination method and device, equipment and storage medium
  • Time domain resource determination method and device, equipment and storage medium

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Embodiment Construction

[0051] The International Telecommunication Union (ITU) has defined three major application scenarios for the fifth generation (5Generation, 5G) mobile communication system and future mobile communication systems: enhanced mobile broadband (Enhanced Mobile Broadband, eMBB), high reliability Ultra Reliable and Low Latency Communications (URLLC) and massive Machine Type Communications (mMTC). Typical eMBB services include: ultra-high-definition video, augmented reality (Augmented Reality, AR), virtual reality (Virtual Reality, VR), etc., and these services are mainly characterized by a large amount of transmitted data and a high transmission rate. Typical URLLC services include: wireless control in industrial manufacturing or production processes, motion control of unmanned vehicles and unmanned aircraft, and tactile interaction applications such as remote repair and remote surgery. The main feature of these services is the requirement of ultra-high reliability Sexuality, low lat...

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Abstract

The invention provides a time domain resource determination method and device, equipment and a storage medium. The method comprises the following steps: acquiring a group radio network temporary identifier GRNTI; detecting a first downlink control channel in the common search space, wherein the GRNTI is used for scrambling the first downlink control channel; acquiring first time domain resource allocation information, wherein the first time domain resource allocation information and the GRNTI have an association relationship; and determining the time domain resource of the first downlink data channel according to the first time domain resource allocation information and the first downlink control channel. Therefore, the time domain position of the PDSCH can be determined in a multicast / broadcast / multicast transmission scene. Therefore, the broadcast / multicast / multicast transmission requirements of the terminal equipment can be met, and the broadcast / multicast / multicast can achieve the effects of saving transmission resources and effectively avoiding transmission congestion.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method, device, device and storage medium for determining time-domain resources. Background technique [0002] A large number of mobile data multimedia services and various high-bandwidth multimedia services, such as Internet Protocol Television (IPTV) and mobile TV (Television, TV), provide high robustness and extremely important communication services, such as: disaster situations The multicast communication (group communication) under the environment and the public safety network have put forward higher requirements for broadcast / multicast / multicast services. These mobile data multimedia services require multiple users to receive the same data at the same time. Compared with general unicast data services, they have the characteristics of large data volume, long duration, and delay sensitivity. At present, the 3rd Generation Partnership Project (3rd Gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/06H04W72/04H04L5/00
CPCH04W72/0446H04L5/0053H04W72/0466H04W74/006H04L5/0094H04W4/06H04L5/0055H04W72/23H04L1/1812
Inventor 胡丹官磊
Owner HUAWEI TECH CO LTD