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Common pdcch configuration

A technology of common control channel and resource location, applied in the field of common control channel configuration management, can solve problems such as degrading system performance and increasing network delay, etc.

Active Publication Date: 2020-03-06
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, monitoring multiple time-frequency resource locations simultaneously results in increased network latency and degraded system performance

Method used

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Embodiment Construction

[0014] In modern and next-generation (eg, New Radio (NR)) wireless networks, a common control channel is used to simultaneously deliver information to one or more UEs in a cell. For example, with regard to downlink control signaling, the physical downlink control channel (PDCCH) is used to transfer downlink control information (DCI) from a network node to one or more UEs (for example, for the downlink of these UEs) Scheduling assignment and uplink scheduling grant). Generally, the control information transmitted on the PDCCH is transmitted at the beginning of a time slot (or any other defined time-frequency unit measurement such as subframes, frames, etc.), and is related to data in the same or later time slot (Of course, in the case of mini-slots, PDCCH information can also be transmitted in regular time slots). Different formats defined by different time and frequency ranges of the PDCCH are possible, which allows systems and communication devices to properly handle differen...

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PUM

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Abstract

The present disclosure describes example techniques for configuring and utilizing common control channels and configuration thereof in wireless communication systems. For instance, in an aspect, the present disclosure describes an example method performed by a network node (106) (also referred to herein as a base station, eNB, next-generation NodeB (gNB), or the like) that includes generating resource location information identifying one or more candidate time-frequency resource locations for a common control channel utilized in the cell. In addition, the example method can include transmitting the resource location information to one or more UEs and / or one or more other network nodes.

Description

Technical field [0001] The present disclosure generally relates to wireless communication systems, and particularly relates to management of common control channel configurations in wireless communication systems. Background technique [0002] In the current wireless communication system, the user equipment (UE) may not know the precise time-frequency resource, and the precise time-frequency resource will be determined by the evolving NodeB (eNB) in Long Term Evolution (LTE). The network node of the class transmits control information for the cell. Instead, the number and location of these time-frequency resources may depend on the aggregation level associated with the communication and other factors. Because the location of these time-frequency resources can be one of several options, the UE must perform multiple "blind decoding" operations to monitor each of these several optional time-frequency resources. However, monitoring multiple time-frequency resource locations at the ...

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Application Information

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IPC IPC(8): H04L5/00
CPCH04L5/0007H04L5/0053H04L5/0094H04W36/08H04W24/08H04W24/10H04W72/0446H04W72/0453
Inventor S.帕克瓦尔R.巴德梅尔S.法拉哈提H.古拉帕蒂郑荣富
Owner TELEFON AB LM ERICSSON (PUBL)