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Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac pdu of ra procedure

A technology of random access and random access preamble, which is applied in wireless communication, wireless network protocols, electrical components, etc., can solve the problems of increased quantity, increased data volume and control information volume, and achieve reduced delay/delay and high efficiency effect of sending and/or receiving, improving overall throughput

Pending Publication Date: 2021-12-28
LG ELECTRONICS INC
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  • Summary
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The introduction of new radio communication technologies has led to an increase in the number of user equipments (UEs) served by a base station (BS) in a specified resource area, and has also resulted in an increase in the amount of data and control information sent by the BS to the UEs

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  • Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac pdu of ra procedure
  • Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac pdu of ra procedure
  • Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac pdu of ra procedure

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[0045] Reference will now be made in detail to exemplary implementations of the present disclosure, examples of which are illustrated in the accompanying drawings. The detailed description, which will be given below with reference to the accompanying drawings, is intended to explain exemplary implementations of the present disclosure, rather than to show the only implementations that can be implemented according to the present disclosure. The following detailed description includes specific details in order to provide a thorough understanding of the present disclosure. It will be apparent, however, to one skilled in the art that the present disclosure may be practiced without these specific details.

[0046] The following techniques, devices and systems can be applied to various wireless multiple-access systems. Examples of multiple-access systems include Code Division Multiple Access (CDMA) systems, Frequency Division Multiple Access (FDMA) systems, Time Division Multiple Ac...

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Abstract

In the present disclosure, UE transmits a random access preamble (RAP) on a physical random access channel (PRACH) and a common control channel (CCCH) service data unit (SDU) on a physical uplink channel (PUSCH). The UE receives a medium access control (MAC) protocol data unit (PDU) based on transmitting the RAP and the CCCH SDU. The MAC PDU may include a MAC PDU associated with a contention resolution identity (CRID) in the MAC PDU. The UE determines whether a MAC SDU is present or not in the MAC PDU, based on the MAC SDU indicator associated with a CRID in the MAC PDU in a state in which the CRID matches the CCCH SDU.

Description

technical field [0001] The present invention relates to a wireless communication system. Background technique [0002] The introduction of new radio communication technologies has resulted in an increase in the number of user equipments (UEs) served by a base station (BS) in a prescribed resource area, and has also resulted in an increase in the amount of data and control information transmitted by the BS to the UEs. Since the resources available for a BS to communicate with UEs are generally limited, new techniques are needed by which the BS utilizes limited radio resources to efficiently receive / transmit uplink / downlink data and / or uplink Road / downlink control information. Contents of the invention [0003] technical problem [0004] Various types of signals including data signals and control signals are communicated via uplink (UL) and downlink (DL). Scheduling of such communications is typically performed to achieve improved efficiency, latency, and / or reliability. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/08H04W72/12
CPCH04W74/0833H04W72/23H04W74/0838H04W74/0836H04W74/004H04W74/085H04W80/02
Inventor 李银终赵嬉静李承俊李靓九
Owner LG ELECTRONICS INC