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Method for uplink beam indication for wireless communication system with beam forming

A beamforming, wireless communication network technology, applied in the field of beam management and reporting, can solve the problem of increasing difficulty

Inactive Publication Date: 2019-09-13
MEDIATEK INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Beamforming makes it harder to achieve these goals

Method used

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  • Method for uplink beam indication for wireless communication system with beam forming
  • Method for uplink beam indication for wireless communication system with beam forming
  • Method for uplink beam indication for wireless communication system with beam forming

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Embodiment Construction

[0029] Reference will now be made in detail to some embodiments of the invention, examples of which are illustrated in the accompanying drawings.

[0030] figure 1 A novel millimeter wave beamforming wireless communication system 100 with uplink beam training and beam determination is described. The beamforming mmWave mobile communication network 100 includes a base station BS 101 and a user equipment UE 102 . The mmWave cellular network 100 uses narrow beam directional communications and can support multi-gigabit data rates. Directional communication is achieved through digital and / or analog beamforming, where multiple antenna assemblies are applied with multiple sets of beamforming weights to form multiple beams. Different beamforming can have different spatial resolutions, ie beamwidths. For example, sectored antennas can form beams with low array gain but wide spatial coverage, while beamforming antennas can achieve high array gain but narrow spatial coverage.

[0031...

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Abstract

A method of configuring different uplink beam management (UL BM) procedures is proposed. Different UL BM procedures are defined such that UE knows how to transmit the configured uplink reference signal (UL RS) over UL RS resource groups to BS. A first UL BM procedure enables UE to transmit with sweeping TX beams and enables BS to measure with sweeping RX beams (U-1 procedure). A second UL BM procedure enables UE to transmit UL RS on a number of UL resources with a fixed UE TX beam (U-2 procedure). A third UL BM procedure enables UE to transmit UL RS on a number of UL resources with different UE TX beams (U-3 procedure).

Description

[0001] cross reference [0002] This application claims the following priority: U.S. Provisional Patent Application No. 62 / 548,973, filed August 23, 2017, entitled "UETX Beam Combination Determination for Beamforming System", No. 62 / 567,014, The application date is October 2, 2017, the U.S. provisional patent application titled "Mechanism for UL Beam Indication", No. 16 / 108,765, and the application date is the U.S. provisional patent application on August 22, 2018. The above-mentioned US patent applications are hereby incorporated by reference. technical field [0003] The present invention relates generally to wireless communications. More specifically, the present invention relates to beam management and reporting in millimeter wave (Millimeter Wave, mmWave) beamforming systems. Background technique [0004] The growing bandwidth shortage faced by mobile operators has prompted exploration of the underutilized mmWave spectrum between 3G and 300GHz for next-generation bro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
CPCH04B7/0404H04B7/0628H04B7/0695H04B7/088H04W16/28H04W24/10H04L5/0048H04B7/06966H04B7/0617H04W72/046H04B7/046H04B7/0686
Inventor 游家豪杨维东张铭博蔡承融桂建卿
Owner MEDIATEK INC
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