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Method for downlink control channel design

A signaling and user equipment technology, applied in the field of communication, which can solve problems such as affecting performance

Active Publication Date: 2019-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Beam blocking conditions can significantly impact performance when the beam blocking condition prevents the UE from decoding downlink control information in the time unit since it may be necessary for the downlink control information to locate and decode the downlink data information on that time unit

Method used

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  • Method for downlink control channel design
  • Method for downlink control channel design
  • Method for downlink control channel design

Examples

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Embodiment Construction

[0028] The structure, manufacture, and use of the embodiments provided herein are discussed in detail below. It should be appreciated, however, that the present disclosure provides many applicable inventive concepts that can be embodied in a wide variety of specific situations. The specific embodiments discussed are merely illustrative of specific ways to make and use the disclosure, and do not limit the scope of the disclosure. The term "beam direction" refers to a wireless antenna pattern or set of beamforming weights for directional signal transmission and / or reception. The terms "beam direction" and "beam" are used interchangeably herein.

[0029] Downlink Control Information (DCI) messages are typically decoded by the UE through a process known as blind decoding. Blind decoding reduces network overhead by allowing a UE to detect which set of Control Channel Elements (CCEs) in the Physical Downlink Control Channel (PDCCH) carry the UE's DCI message without having to send...

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Abstract

Embodiments of this disclosure improve the reliability of blind decoding when beamforming is used by having a user equipment (UE) receive a single downlink control information (DCI) message with different transmission and / or reception parameters. In some embodiments, a UE receives more than one set of configuration parameters, where any two sets of configuration parameters out of the more than oneset of configuration parameters have at least one different parameter. The UE may receive two sets of configuration parameters each having a different transmission modes, but the same search space type. Additional examples are also provided.

Description

[0001] This application claims priority to U.S. Provisional Patent Application No. 62 / 442,900, filed January 5, 2017, and entitled "Downlink Control Channel Design Method," filed February 6, 2017 Priority to U.S. Provisional Patent Application No. 62 / 455,485, entitled "DOWNLINK CONTROL CHANNEL DESIGN METHOD," and claims priority to 15 / 861,393, filed January 3, 2018, entitled Priority to US Nonprovisional Patent Application for "Downlink Control Channel Design Method." The entire contents of all of the aforementioned applications are incorporated herein by reference as if reproduced in their entirety. technical field [0002] The present disclosure relates generally to communications, and in particular embodiments, to systems and methods for downlink control channel design, which may include Next Radio Physical Downlink Control Channel (NR-PDCCH) design. Background technique [0003] Wireless signals transmitted at high carrier frequencies (such as millimeter wave (mmW) sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/00
CPCH04L5/0053H04W72/231H04W72/232H04L1/0045H04L1/0075H04L5/0023H04L5/0091H04L5/0069H04B7/0617H04W88/025H04L5/0007H04L1/0038H04W72/23
Inventor 龚政委阿民·玛瑞夫
Owner HUAWEI TECH CO LTD