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Network-assisted beam scheduling mechanism for directional beamforming transmission

A beam and beam information technology, applied in the field of multi-antenna technology, can solve problems such as amplification and interference fluctuations

Pending Publication Date: 2021-01-01
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, when the receiving beam is aligned with the direction of the interfering signal, the interference will fluctuate more violently and be amplified a lot

Method used

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  • Network-assisted beam scheduling mechanism for directional beamforming transmission
  • Network-assisted beam scheduling mechanism for directional beamforming transmission
  • Network-assisted beam scheduling mechanism for directional beamforming transmission

Examples

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Embodiment Construction

[0061] The current application discloses a mechanism for beam scheduling of UEs with different kinds of beamforming capabilities.

[0062] Note that the examples and embodiments discussed herein are not intended to be limiting. Furthermore, as used herein, the word "exemplary" means "serving as an example, instance, or illustration." Thus, any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. All embodiments described in this "Detailed Description" are exemplary embodiments provided to enable those skilled in the art to make or use the invention and not to limit the invention defined by the claims range.

[0063] The Cat.I hidden node problem is a problem of neighbor gNBs of hidden nodes serving gNBs. While its neighbor cell is transmitting and directed towards its scheduled UE, the serving gNB may not be able to listen to its neighbor's transmission within transmission range due to the directe...

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PUM

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Abstract

Method, apparatus, and computer program product for a serving cell in a wireless communication system determining blacklisted beams from a neighboring cell, exchanging blacklisted beam information with the neighboring cell, and scheduling beam and user equipment transmission based on the exchanged information. A blacklisted beam could be regarded as an interference beam from the neighboring cell.User equipment may be scheduled for a transmission burst prior to making the determination. Determining such a beam can involve ascertaining the blacklisted beams of the neighboring cell in each timeslice of a transmission burst. A beam could be blacklisted if it is above a predetermined threshold. Exchanging could be done either through a central controller or by direct reporting between the cells, and done perhaps via a backhaul interface or during specified time slices based on inter-cell coordination or determined implicitly. Scheduling would avoid transmission in the direction of blacklisted beams.

Description

technical field [0001] The present invention relates generally to channel access mechanisms for NR on unlicensed spectrum, and in particular to multi-antenna techniques with a large number of antennas and highly directional beamforming. Background technique [0002] This section is intended to provide a background or context to the invention disclosed below. The description herein may include concepts that may be pursued, but not necessarily concepts that have been previously conceived, implemented or described. Therefore, unless otherwise expressly indicated herein, what is described in this section is not prior art to the description in this application and is not admitted to be prior art by inclusion in this section. [0003] In 3GPP LTE-Advanced, multiple antennas with a large number of antennas have been standardized in 3GPP LTE-Advanced and have also become an essential feature of licensed NR systems, see e.g. " Study on New Radio (NR) Access Technology; Physical Lay...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/046H04W72/541
Inventor 刘建国陶涛骆喆孟艳武卓沈钢
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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