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Numerology-dependent downlink control channel mapping

A technology of control channel and physical downlink, which is applied in the field of downlink control channel mapping related to parameter sets, and can solve the problems of underutilization and underutilization of OFDM symbols

Active Publication Date: 2019-07-02
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, typically only one or a few users belong within a beam, resulting in underutilized OFDM symbols if each OFDM symbol cannot be filled with information for users within a beam
To reach multiple users with analog beamforming, beam sweeping across multiple symbols is applied, and each symbol is potentially underutilized

Method used

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  • Numerology-dependent downlink control channel mapping
  • Numerology-dependent downlink control channel mapping
  • Numerology-dependent downlink control channel mapping

Examples

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Embodiment Construction

[0039] Noting that this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, And will fully convey the scope of the present invention to those skilled in the art. Throughout this description, like numbers refer to like elements.

[0040] Herein, the terms user equipment (UE), terminal, handset, etc. interchangeably refer to devices that communicate with the network infrastructure. The term should not be interpreted as meaning any particular type of device, i.e. the term applies to all devices and the embodiments described herein are applicable to all device. Similarly, a base station (BS) is intended to refer to a node in the network infrastructure that communicates with UEs. Different names may be applicable (such as NB, eNB, gNB), and the functionality of the BS may also be distributed in v...

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Abstract

A user equipment performs a method comprising: receiving (S110) system information indicating a current numerology of a control region with configurable numerology; and decoding (S120) the control region in accordance with an assumption of a channel mapping which is selected from at least two predefined channel mappings on the basis of the current numerology. A base station performs a method comprising: transmitting (S210) system information indicating a current numerology of a control region with configurable numerology; generating (S220) a signal using a channel mapping selected from at least two predefined channel mappings; and transmitting (S230) the generated signal in the control region, wherein the channel mapping is selected on the basis of the current numerology of the control region or vice versa.

Description

technical field [0001] A method for implementing multiple parameter sets in a network, as well as user equipment, base stations, computer programs and computer program means of the network are disclosed herein. Background technique [0002] Fifth generation mobile telecommunications and wireless technology has not yet been fully defined, but is at the leading draft stage within the 3rd Generation Partnership Project (3GPP). It includes work on 5G New Radio (NR) access technologies. Long Term Evolution (LTE) terminology is used in this disclosure in a forward sense to include equivalent 5G entities or functionality, even though different terminology is specified in 5G. An overview of agreements on 5G NR access technologies from November 2016 is contained in 3GPP Technical Report 38.802 v0.3.0 (2016-11). [0003] In 3GPP there are past and ongoing research projects and work projects investigating new radio interfaces for 5G. The terms used to refer to this new and next-gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L27/26H04L5/00
CPCH04L5/0053H04L5/0064H04L5/0092H04L27/2602H04L27/26025H04L5/0023
Inventor S.帕克瓦尔R.巴德迈尔
Owner TELEFON AB LM ERICSSON (PUBL)
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