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Channel access mechanism for random access channel in unlicensed spectrum

A random access channel, unlicensed spectrum technology, used in connection management, wireless communications, error prevention/detection using return channels, etc., and can solve problems such as unacceptable delay levels, unacceptable signaling overhead levels, etc.

Pending Publication Date: 2021-06-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The above aspects involved in the random access procedure may introduce unacceptable levels of latency and / or unacceptable levels of signaling overhead

Method used

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  • Channel access mechanism for random access channel in unlicensed spectrum
  • Channel access mechanism for random access channel in unlicensed spectrum
  • Channel access mechanism for random access channel in unlicensed spectrum

Examples

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Embodiment Construction

[0061] For purposes of illustration, specific example embodiments will now be explained in more detail below in conjunction with the accompanying figures.

[0062] The embodiments set forth herein describe sufficient information to practice the claimed subject matter and illustrate ways in which such subject matter may be practiced. Upon reading the following description in light of the accompanying drawing figures, those skilled in the art will understand the concepts of claimed subject matter and will recognize applications of these concepts not particularly addressed herein. It should be understood that these concepts and applications fall within the scope of this disclosure and the appended claims.

[0063] Furthermore, it will be appreciated that any module, component or means disclosed herein that executes instructions may include or otherwise access a non-transitory computer / processor-readable storage medium or for storage such as a computer / processor-readable A medium...

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Abstract

Method and devices are provided for a channel access mechanism for accessing a network on a random access channel (RACH). Methods involve defining a listen-before-talk (LBT) category to be used as part of a contention based procedure and how a contention window that is part of the LBT can be dynamically adjusted.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Patent Application 62 / 751,460, entitled "Channel Access Mechanism for Random Access Channel in Unlicensed Spectrum," filed October 26, 2018 rights, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates generally to wireless communications, and in particular embodiments, to methods for accessing random access channels in unlicensed spectrum. Background technique [0004] In a wireless communication system, an electronic device (electronic device, ED) such as a user equipment (user equipment, UE) performs wireless communication with a transmission and reception point (Transmission and Receive Point, TRP) called a "base station" to transmit data to the ED and / or receive data from ED. Wireless communication from the ED to the base station is called uplink communication. Wireless communication from th...

Claims

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Application Information

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IPC IPC(8): H04W74/08
CPCH04W74/0833H04W74/0808H04L1/16H04L1/1822H04W76/27H04W16/14H04W72/0446H04W72/0453H04W72/23
Inventor 张佳胤默罕默德·阿代尔·赛勒穆张立清
Owner HUAWEI TECH CO LTD