Unlock instant, AI-driven research and patent intelligence for your innovation.

Method and apparatus for random access procedure

A random access process and random access technology, applied in machine-to-machine/machine-type communication services, transmission path separation devices, transmission monitoring, etc., can solve the problems of no assertion, no determination, etc., To achieve the effect of enhancing the random access process

Pending Publication Date: 2021-08-06
SAMSUNG ELECTRONICS CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and apparatus for random access procedure
  • Method and apparatus for random access procedure
  • Method and apparatus for random access procedure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-2

[0081] [Example 1-2 Network Response of Step CFRA]

[0082] figure 1 A flowchart of a method for performing a random access process is shown in accordance with an embodiment of the present disclosure.

[0083] The UE is transmitted to the base station to send a random access preamble and transmit a payload (ie, Mac PDU) (105) on the PUSCH. Random access preamble and payload transmission are also known as MSGA. The payload is also known as the MSGA payload. Words of random access resources (ie, special leader / PUSCH resource / RO) are used to transmit MSGAs.

[0084] After using the MSGA transmitted using the non-dominant random access resource, the UE monitors the response from the network (ie, GNB) in the configuration window (110). In one embodiment, if the UE receives the PDCCH addressed to the C-RNTI, it is considered that the random access response is successfully received and the random access process is successfully completed.

[0085]In another embodiment, if the UE rece...

Embodiment 2

[0090] [Example 2 - Processing multiple RSRP thresholds for RA selection]

[0091] figure 2 A flowchart showing a method for processing a reference signal receiving power (RSRP) threshold according to an embodiment of the present disclosure.

[0092] Method 2-1: In NR, the reconfiguration process specified in TS 38.331 is used to modify the RRC connection, for example, create / modify / release radio bearer (RB), perform synchronous reconfiguration, setting / modification / release measurement, add / Modify / Release SCELL and cell groups. If the UE receives the RRC reconfiguration message, where the cell group configuration in the RRC reconfiguration message contains the SPCell Configuration (SpcellConfig), the UE executes reconfiguration with the synchronization process. In this process, the UE synchronizes with the target SPCell's DL by receiving and decoding the PBCH of the target spcell, and obtains the MIB of the target spcell. Subsequently, the UE initiates a random access...

Embodiment 3

[0115] [Example 3 - Selection between 2 steps RA and 4 steps RA]

[0116]In NR, the reconfiguration process specified in TS 38.331 is used to modify the RRC connection, for example, create / modify / release radio bearer (RB), perform synchronous reconfiguration, setting / modification / release measurement, add / modify / release SCell And a group. If the UE receives the RRC reconfiguration message, where the cell group configuration in the RRC reconfiguration message contains the SPCell Configuration (SpcellConfig), the UE executes reconfiguration with the synchronization process. In this process, the UE synchronizes with the target SPCell's DL by receiving and decoding the PBCH of the target spcell, and obtains the MIB of the target spcell. Subsequently, the UE initiates a random access to the target SPCell. If the target spcell is PCell, the RRC connection reconfiguration completion message is transferred to the target SPCell. Otherwise, it will be transmitted on the source PC...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). 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 safety services. The present disclosure provides method and apparatus of performing random access procedure.

Description

Technical field [0001] The present disclosure relates to a wireless communication system. Specifically, the present disclosure relates to an apparatus, method, and system for a random access process in a wireless communication system. Background technique [0002] Since the deployment of 4G communication systems, in order to meet the demand for increased wireless data services, we have strive to develop improved 5G or quasi-5G communication systems. Therefore, 5G or quasi-5G communication system is also referred to as "over 4G network" or "post system". The 5G communication system is considered to be implemented in a higher frequency (mm wave) frequency band (for example, 60 GHz band) to achieve a higher data rate. In order to reduce the propagation loss of radio waves and increase the transmission distance, beamforming, large-scale multi-input multi-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beamforming, large-scale Antenna technology. In addition, in ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04W4/70H04W74/08
CPCH04W4/70H04W74/0833H04W72/0453H04L5/001H04L5/0051H04L5/0053H04W74/04H04B17/318H04B17/327H04W72/23
Inventor A.阿吉瓦尔金成勋
Owner SAMSUNG ELECTRONICS CO LTD