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Systems and methods for beam selection using multiple frequencies

A beam and frequency technology, applied in the field of beam selection systems, can solve problems such as limited capacity of cellular communication systems

Active Publication Date: 2020-06-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cellular communication systems utilizing the microwave spectrum band (300MHz to 3GHz) are becoming increasingly capacity limited due to interference and traffic loading

Method used

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  • Systems and methods for beam selection using multiple frequencies
  • Systems and methods for beam selection using multiple frequencies
  • Systems and methods for beam selection using multiple frequencies

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Embodiment Construction

[0027] The construction, manufacture and use of the presently preferred embodiments are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be implemented in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention.

[0028] The present invention is described with respect to a preferred embodiment of a system and method of beam selection that uses multiple mmWave carrier frequencies and supports initial access by a wireless device to a communications controller. Other embodiments may be applied to other frequency bands, to other systems that use multiple carrier frequencies for beam selection, or to support other networking operations, such as switching a wireless device from one communication controller to another communication The controller, enabling disco...

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Abstract

A method for operating a UE includes receiving, by the UE during an initial access sequence, a plurality of first inbound beams each transmitted by a communications controller in a different transmit direction over a first carrier, where the first inbound beams have a different subcarrier frequency range from each other, generating values of a receive metric in accordance with the first inbound beams, selecting one of the first inbound beams in accordance with the receive metric values, transmitting, by the UE, an indication of the selected first inbound beam, and receiving, by the UE, a second inbound beam transmitted by the communications controller in a transmit direction in accordance with the indication of the selected first inbound beam, where the second inbound beam has a second subcarrier frequency range of the first carrier that is different than a first subcarrier frequency range of the selected first inbound beam.

Description

technical field [0001] The present invention relates generally to systems and methods for beam selection, and in particular embodiments, to systems and methods for beam selection using multiple frequencies. Background technique [0002] In recent years, the volume of wireless data has been growing at an unprecedented rate, pushing the capacity of current macro cell deployments. Cellular communication systems utilizing the microwave spectrum band (300 MHz to 3 GHz) are increasingly becoming capacity limited due to interference and traffic loading. The use of high frequency bands where a large amount of bandwidth is available is considered a key feature of future communication systems. The use of these frequency bands (eg, 28GHz, 38GHz, 60GHz, and 73GHz) can alleviate currently observed capacity issues. Contents of the invention [0003] According to a first example embodiment of the present invention, a method for operating user equipment (UE) is provided. The method com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0408
CPCH04B7/0639H04B7/0695H04B7/088H04B17/309H04L5/0023H04L5/0053H04W16/28H04W72/046H04W72/0453
Inventor 卢卡斯·科兹米安艾哈迈德·艾克哈提卜维普尔·德赛菲利普·萨特瑞
Owner HUAWEI TECH CO LTD