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Method and device for supporting simultaneous transmission and reception to multiple transmission and reception points in next generation mobile communication system

A technology of wireless communication system and receiving point, applied in the direction of separation device of transmission path, wireless communication, transmission system, etc., can solve the problem of no determination and no assertion, etc., to achieve the effect of enhancing related operations

Pending Publication Date: 2021-11-19
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

No determination has been made, and no assertion is made, as to whether any of the above might be applicable as prior art with the present disclosure

Method used

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  • Method and device for supporting simultaneous transmission and reception to multiple transmission and reception points in next generation mobile communication system
  • Method and device for supporting simultaneous transmission and reception to multiple transmission and reception points in next generation mobile communication system
  • Method and device for supporting simultaneous transmission and reception to multiple transmission and reception points in next generation mobile communication system

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no. 1 example

[0070] Figure 1A is a schematic diagram showing the structure of an LTE system for description according to an embodiment of the present disclosure.

[0071] refer to Figure 1A , the radio access network of the LTE system includes next-generation base stations (evolved Node B, hereinafter referred to as "eNB", "Node B" or "base station") 1a-05, 1a-10, 1a-15 and 1a-20, A mobility management entity (mobility management entity, MME) 1a-25 and a serving gateway (serving-gateway, SG) 1a-30. User equipment (hereinafter referred to as "UE" or "terminal") 1a-35 accesses an external network through eNBs 1a-05 to 1a-20 and S-GW 1a-30.

[0072] exist Figure 1A Among them, eNBs 1a-05 to 1a-20 correspond to existing Node Bs of a Universal Mobile Telecommunications System (UMTS) system. The eNB is connected to the UE 1a-35 through a radio channel and performs a more complex role than existing Node Bs. In the LTE system, all user services including real-time services (such as voice over...

no. 2 example

[0334] In the present disclosure, regarding a TCI state used when indicating a beam used when receiving a resource of a PDSCH transmitted to a UE in a next-generation mobile communication system, a method of improving an existing operation is considered. A method for indicating a downlink beam in the related art is to indicate a beam between one TRP and a UE, which means indicating a beam transmitted from a specific BWP belonging to one serving cell. Hereinafter, in an embodiment of the present disclosure, a method of simultaneously updating beam information applied to reception of PDSCHs configured in multiple serving cells and multiple BWP schemes of the corresponding cells is proposed. As a result, the delay time for applying a corresponding configuration and the signaling overhead for this purpose can be reduced.

[0335] Figure 2A is a schematic diagram illustrating an overall procedure for indicating a beam of a downlink signal transmitted from an NR system to a PDSCH ...

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Abstract

A communication method and system for converging a 5th-Generation (5G) communication system supporting higher data rates than a 4th-Generation (4G) system and an Internet of Things (IoT) technology are provided. The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and security services. The present disclosure discloses a method and device for supporting transmission and reception to a plurality of TRPs, and a method and device for updating PDSCH beam information of several serving cells together in the case of CA.

Description

technical field [0001] The present disclosure relates to a next generation mobile communication system. More particularly, the present disclosure relates to a method and apparatus for supporting simultaneous transmission and reception to a plurality of transmission and reception points (TRP) in a next generation mobile communication system. Background technique [0002] To meet the increased demand for wireless data traffic since the deployment of fourth-generation (4G) communication systems, efforts have been made to develop improved fifth-generation (5G) or pre-5G communication systems. Therefore, the 5G or pre-5G communication system is also called "beyond 4G network" or "post-long term evolution (LTE) system". The 5G communication system defined by the 3rd generation partnership project (3rd generation partnership project, 3GPP) is called a New Radio (NR) system. The 5G communication system defined by 3GPP is called New Radio (NR) system. [0003] The 5G communication...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
CPCH04L5/0053H04W72/23H04L5/0098H04L5/001H04L5/0044H04B7/0639H04B7/0695H04W80/02H04W72/1273H04W72/0453H04B7/0413H04W76/27H04W72/53
Inventor 陈胜利A.阿吉瓦尔卢勋东朴珍贤张宰赫金成勋
Owner SAMSUNG ELECTRONICS CO LTD
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