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Uplink scheduling grant for a plurality of physical uplink shared channels

A technology of physical uplink and shared channel, applied in the field of uplink scheduling grant of multiple physical uplink shared channels

Pending Publication Date: 2021-05-18
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the general requirements for eMBB are high data rate and medium latency and medium coverage, while URLLC service requires low latency and high reliability transmission, but may require medium data rate

Method used

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  • Uplink scheduling grant for a plurality of physical uplink shared channels
  • Uplink scheduling grant for a plurality of physical uplink shared channels
  • Uplink scheduling grant for a plurality of physical uplink shared channels

Examples

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Embodiment Construction

[0058] This application considers scheduling control procedures to improve signaling efficiency. For example, NR allows scheduling of multiple slots, each with a separate UL grant. This may easily exhaust PDCCH resources when the scheduled UL bursts are long and / or the number of UEs to be scheduled is high. The latter adds constraints to the scheduling process and wastes PDCCH resources unnecessarily.

[0059] Some of the embodiments contemplated herein will now be described more fully with reference to the accompanying drawings. There are, however, other embodiments within the scope of the subject matter disclosed herein, and the disclosed subject matter should not be construed as limited to only the embodiments set forth herein; rather, these embodiments are provided by way of illustration to inform Those skilled in the art convey the scope of the subject matter. According to some embodiments,

[0060] Generally, all terms used herein are to be interpreted according to t...

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Abstract

A method performed by a wireless device 410 is provided for receiving an uplink scheduling grant for a plurality of physical uplink shared channels (PUSCHs). The method includes receiving, from a network node 460, downlink control information (DCI). The DCI includes an indication corresponding to at least a time domain resource for each of the plurality of PUSCHs. Based on the indication, uplink scheduling grant resources are determined for the plurality of PUSCHs. At least one transmission is sent according to the determined uplink scheduling grant resources.

Description

Background technique [0001] The new radio (NR) standard in 3GPP is designed to serve multiple use cases such as enhanced mobile broadband (eMBB), ultra-reliable and low-latency communications (URLLC), and machine-type communications (MTC) . Each of these services has different technical requirements. For example, the general requirements for eMBB are high data rate and medium latency and medium coverage, while URLLC service requires low latency and high reliability transmission, but may require medium data rate. [0002] One of the solutions for low-latency data transmission is shorter transmission time intervals. In NR, in addition to transmission in slots, mini-slot transmission is allowed to reduce latency. A mini-slot can consist of any number of OFDM symbols from 1 to 14. It should be noted that the concepts of slots and mini-slots are not specific to a particular service, which means that mini-slots can be used for eMBB, URLLC or other services. figure 1 Example rad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0094H04L5/0044H04L5/0053H04W72/0446H04W72/1268H04W72/23
Inventor R·卡拉基郑荣富T·杜S·格兰特
Owner TELEFON AB LM ERICSSON (PUBL)