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Method and apparatus for performing contention-based random access in a carrier frequency

A carrier frequency, random access technology, applied in wireless communication, electrical components, etc., can solve problems such as affecting delay

Active Publication Date: 2022-08-09
MOTOROLA MOBILITY LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the random access procedure, which is a prelude to making network resources available to user equipment by the network, represents a signaling overhead to support uplink communications, which can also affect the delay associated with any particular communication

Method used

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  • Method and apparatus for performing contention-based random access in a carrier frequency
  • Method and apparatus for performing contention-based random access in a carrier frequency
  • Method and apparatus for performing contention-based random access in a carrier frequency

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Embodiment Construction

[0018] While this disclosure may admit of various forms of embodiment, currently preferred embodiments are shown in the drawings and hereinafter described, it being understood that this disclosure is to be considered as an example of the invention and is not intended to Limited to the specific embodiments shown.

[0019] Embodiments provide a method and apparatus for performing contention-based random access in a carrier frequency.

[0020] figure 1 is an example block diagram of a system 100 according to a possible embodiment. The system 100 may include a wireless communication device 110 such as a user equipment (UE), a base station 120 such as an enhanced Node B (eNB) or a next generation Node B (gNB), and a network 130 . The wireless communication device 110 may be a wireless terminal, portable wireless communication device, smart phone, cellular phone, flip phone, personal digital assistant, personal computer, selective call receiver, tablet computer, laptop computer, o...

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PUM

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Abstract

A method and user equipment includes receiving (602) an indication from a network entity whether a cell in a carrier frequency supports a 2-step random access procedure. When a 2-step random access procedure is supported in the cell (604), the random access procedure is selected (606) between a 2-step random access procedure and a 4-step random access procedure, wherein the 2-step random access procedure and the 4-step random access procedure Each of the 2-step random access procedures includes one or more preambles that are configured in the cell to be associated with one of a 2-step random access procedure or a 4-step random access procedure. A preamble is randomly selected and transmitted (608) from one or more preambles associated with the selected random access procedure, wherein the time-frequency resources are determined based on the transmitted preamble. A data-carrying physical random access channel comprising a demodulation reference signal and one or more data symbols is transmitted (610) on the determined time-frequency resource.

Description

technical field [0001] The present disclosure relates to a method and apparatus for performing contention-based random access in a carrier frequency of a communication network, and more particularly, to contention-based random access with a reduced number of steps in supporting lower latency communications. Background technique [0002] Currently, user equipment such as wireless communication devices communicate with other communication devices using wireless signals such as in a network environment that may include one or more cells within which communication with the network and other devices operating within the network may be supported. Various communication connections. A network environment typically involves one or more sets of standards, each of which defines various aspects of any communication connection made using the corresponding standard in the network environment. Examples of standards under development and / or existing include New Radio Access Technology (NR)...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
CPCH04W74/0833H04W74/002
Inventor 郑惠贞维贾伊·南贾拉维克兰·诺里拉维·库奇波特拉罗伯特·拉瓦
Owner MOTOROLA MOBILITY LLC