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Mechanism for ssb transmission in nr-u

A technology of opportunity and time slot, applied in the field of SSB transmission mechanism in NR-U

Pending Publication Date: 2020-12-18
INTERDIGITAL PATENT HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This causes problems for UE to detect SSB

Method used

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  • Mechanism for ssb transmission in nr-u
  • Mechanism for ssb transmission in nr-u
  • Mechanism for ssb transmission in nr-u

Examples

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Embodiment Construction

[0040] The detailed description of the exemplary embodiments will be discussed with reference to various figures, embodiments, and aspects herein. While this description provides detailed examples of possible implementations, it should be understood that these details are intended to be examples and therefore do not limit the scope of the application.

[0041] References in this specification to "one embodiment," "an embodiment," "one or more embodiments," "an aspect" and the like mean that at least one embodiment of the present disclosure includes an aspect described in connection with that embodiment. A specific feature, structure, or characteristic. Furthermore, the term "embodiment" in various places in the specification does not necessarily refer to the same embodiment. That is, various features described may be exhibited by some embodiments while not others.

[0042] According to an aspect of the present application, mechanisms and procedures for gNB to send SSB in NR-...

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PUM

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Abstract

The present application is directed to an apparatus including a non-transitory memory including instructions stored thereon for monitoring synchronous signals and physical broadcast channels (SSBs) from a network node. The apparatus also includes a processor, operably coupled to the non-transitory memory, configured to execute a set of instructions. The instructions include configuring the apparatus for a STTC (SSB Transmission Timing Configuration). The instructions also include monitoring the STTC for the SSBs. The instructions further include determining a first one of the SSBs in a first slot of a subframe in a scheduled SSB transmission in the STTC has been transmitted at a first scheduled location, where the transmission of the first one of the SSBs is based upon confirmation of a successful Listen Before Talk (LBT) available channel prior to the scheduled SSB transmission in the STTC. The instructions even further include determining a second one of the SSBs in the scheduled SSBtransmission in the STTC successfully or failed to transmit at a second scheduled location. The instructions yet even further include observing transmission of the second one of the SSBs in the firstslot or a second slot.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority to U.S. Provisional Application No. 62 / 669,613, filed May 20, 2018, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present application is directed to a mechanism for sending synchronization signals and a physical broadcast channel (SSB) in New Radio Unlicensed (NR-U). Background technique [0004] In NR, the SSB carries basic signals and information such as Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS) and Physical Broadcast Channel (PBCH). These are used by UEs to acquire synchronization and Master Information Blocks (MIBs), both in initial cell search and in connected state. If a UE cannot detect SSB, the UE will have serious problems and will not be able to operate in NR systems. [0005] In NR-U, the gNB may not be able to send SSB bursts at predefined / configured locations. T...

Claims

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Application Information

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IPC IPC(8): H04W74/08H04W16/14H04W56/00
CPCH04W16/14H04W74/0808H04W56/00H04J11/0069H04W48/10H04W72/0446H04L5/0048H04L41/0806H04W56/001H04W72/12H04W74/08H04W72/30
Inventor 李一凡L·R·耶尔A·Y·特塞李晴M·阿瓦丁J·M·默里张国栋
Owner INTERDIGITAL PATENT HLDG INC