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Signaling for multiplexing of low latency communication and sidelink communications

A side chain and link technology, applied in the field of multiplexing signaling, can solve the problem of weakening the efficacy of communication

Active Publication Date: 2021-01-05
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different transmissions involving these devices (e.g. sidelink UEs) may cause interference that prevents or reduces the efficacy of low-latency based communication between the base station and LLC UEs

Method used

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  • Signaling for multiplexing of low latency communication and sidelink communications
  • Signaling for multiplexing of low latency communication and sidelink communications
  • Signaling for multiplexing of low latency communication and sidelink communications

Examples

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Embodiment Construction

[0068] Different transmissions utilizing time-division duplex (TDD) or frequency-division duplex (FDD) and involving low-latency communication (LLC) user equipment (UE), base stations, and side-link UEs in a geographic area may cause interference that prevents Or reduce the efficiency of low-latency based communication between base station and LLC UE. For example, in an FDD system, LLC UEs (e.g., UEs capable of LLC communications such as Ultra-Reliable Low-Latency Communications (URLLC)) can send LLC transmissions in a grant-free manner to the uplink allocated for sidelink data. Route resources are punched. Sidelink UEs may also transmit sidelink data via the same resources allocated to sidelink data during the same or overlapping times—causing interference to the transmitted signal. The LLC data may not have been successfully received or decoded, and the LLC UE may need to resend the LLC data using resources otherwise allocated to sidelink data. As another example, the base...

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Abstract

Methods, systems, and devices for wireless communication are described. In an FDD system, a UE may identify an indicator associated with ultra-reliable low latency communications (URLLC) while communicating in a sidelink channel. The UE may also identify dedicated uplink resources in the sidelink channel, and reserve the dedicated uplink resources. The dedicated uplink resources may be reserved for an acknowledgement / negative acknowledgement (ACK / NACK) feedback or for a scheduling request (SR). URLLC data may be communicated, and the reserved uplink resources may be utilized to transmit an ACK / NACK feedback or a SR. In a TDD system, a base station may transmit information identifying dedicated resources for URLLC data. In some cases, a base station may transmit an indicator channel, whicha sidelink UE may monitor to determine the presence of URLLC data, and respond accordingly.

Description

[0001] This application is a patent application with an application date of February 17, 2018, an invention titled "Supporting Signaling Method and Device for Multiplexing Low-Latency Communication and Sidelink Communication", and application number 201880015346.5 Divisional application. [0002] Cross References to Related Applications [0003] This patent application claims priority to the following applications: U.S. Patent Application No. 15 / 711,751, filed September 21, 2017, by Li et al., entitled "Signaling For Multiplexing Of Low Latency Communication And Sidelink Communications"; Gupta et al. U.S. Provisional Patent Application No. 62 / 469,416, entitled "Techniques And Apparatuses For Reducing Sidelink Interference With Low-Latency Traffic In New Radio," filed March 9, 2017; and Li et al., March 3, 2017 U.S. Provisional Patent Application No. 62 / 466,839, entitled "Signaling For Multiplexing Of Low Latency Communication And Sidelink Communications In Frequency Division Du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/12H04W72/54
CPCH04W72/23H04W72/541H04W72/21H04L5/14H04W88/04H04L1/00H04W72/0446H04L5/0055H04W8/005H04W48/12H04W76/14H04L1/18H04W4/70
Inventor 李崇P·古普塔厉隽怿
Owner QUALCOMM INC
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