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Timing Advance in New Radio

A timing advance and signal technology, applied in wireless communication, electrical components, synchronization devices, etc., can solve problems such as different propagation delays

Active Publication Date: 2021-12-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such techniques may not be suitable for next-generation wireless networks, where uplink transmissions on the same component carrier may travel through different propagation paths and thus have different propagation delays

Method used

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  • Timing Advance in New Radio
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  • Timing Advance in New Radio

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Embodiment Construction

[0043] It should be understood at the outset that although an example implementation of one or more embodiments is provided below, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or not. The present disclosure should in no way be limited to the exemplary implementations, drawings, and techniques shown below, including the exemplary designs and implementations shown and described herein, but may instead be limited by the scope of the appended claims Modified within the full scope of its equivalents.

[0044] Uplink transmissions are generally considered to be synchronized when they arrive at the base station within a certain period of time (eg, one cyclic prefix (CP)) of each other. Otherwise, they are considered to be out of sync, and thus interfere with each other. User Equipments (UEs) communicating with a base station are generally scattered within the coverage area of ​​the base station. Depending on the spe...

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Abstract

According to an aspect of the present disclosure, there is provided a method for uplink synchronization, wherein the method comprises: a user equipment (UE) receives a radio resource control (RRC) message from a network, the RRC message comprising: A first timing advance group (TAG) identification (ID) and a second TAG ID different from the first TAG ID. The method also includes the UE transmitting a first signal on a component carrier according to a timing advance associated with a first TAG ID, and the UE transmitting a second signal on the component carrier according to a timing advance associated with a second TAG ID .

Description

[0001] This application claims priority to U.S. Nonprovisional Patent Application No. 16 / 141,709, filed September 25, 2018, with the U.S. Patent and Trademark Office, entitled "Timing Advance in New Radio," which is incorporated by reference in its entirety incorporated into this article. technical field [0002] The present disclosure relates to wireless communications, and in particular embodiments, to systems and methods for performing uplink synchronization. Background technique [0003] Conventional synchronization techniques generally require user equipment (UE) to apply the same timing advance to its uplink transmissions on the same component carrier to the same base station. Such techniques may not be suitable for next generation wireless networks, where uplink transmissions on the same component carrier may travel over different propagation paths and thus have different propagation delays. In order to solve the above problems, advanced uplink synchronization techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00
CPCH04W56/0015H04W56/0045H04W56/0005H04W84/042
Inventor 哈米德雷扎·法曼巴默罕默德哈迪·巴里阿曼·贾萨尔
Owner HUAWEI TECH CO LTD