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Assisted beamforming at mobility

A beamforming and mobility technology used in the field of beam switching

Active Publication Date: 2019-02-05
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regardless of the link budget gains offered by beamforming solutions, the reliability of systems that rely purely on beamforming and operate at higher frequencies can be challenging because coverage can be more sensitive to both temporal and spatial variations. sensitive

Method used

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  • Assisted beamforming at mobility
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  • Assisted beamforming at mobility

Examples

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Embodiment Construction

[0051] The embodiments set forth below represent information to enable those skilled in the art to practice the embodiments and illustrate the best modes for practicing the embodiments. Upon reading the following description in light of the accompanying drawing figures, those skilled in the art will understand the concepts of the disclosure and will recognize applications of these concepts not specifically addressed herein. It should be understood that these concepts and applications fall within the scope of this disclosure and the appended claims.

[0052] Antenna Node (AN): As used herein, an "antenna node" or "AN" is a unit capable of generating one or more beams covering a particular area or direction. The AN can be a base station, or a part of a base station.

[0053] User Equipment (UE): As used herein, a "UE" is any type of wireless device that has access to (i.e. is served by) a cellular communication network by wirelessly transmitting and / or receiving signals to an A...

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Abstract

Systems and methods are disclosed herein relating to beam-switching in a wireless system. In some embodiments, a method of operation of a user equipment device (UE) that transmits and / or receives to and / or from a source antenna node (AN) on a source beam comprises performing a mobility reference signal (MRS) search to attempt to detect MRS transmitted by one or more candidate ANs for one or more candidate beam. The method further comprises, if one or more conditions that are indicative of the MRS search being unsuccessful are met, transmitting an indication that the MRS search was unsuccessful. In this manner, one or more network nodes are informed that an action(s) (e.g., assisted beam-formed MRS transmission and / or increasing MRS transmit power at candidate AN(s)) needs to be taken to enable a successful MRS search by the UE.

Description

[0001] related applications [0002] This application claims the benefit of Provisional Patent Application Serial No. 62 / 349301 filed June 13, 2016, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to beam switching in wireless communication networks such as, for example, cellular communication networks. Background technique [0004] Compared to current mobility solutions in the 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE), as described in e.g. 3GPP Technical Report (TR) 23.799 V0.4.0, "Study on Architecture for NextGeneration System" Next Generation (NG) architecture and more specifically the general requirements for NG access technologies as described in e.g. 3GPP TR 38.913V0.3.0, "Study on Scenarios and Requirements for Next Generation Access Technologies" will affect the Active Mode Mobility for New Radio Access Technology (RAT) (NR) as described in NTT DOCOMO "RP-...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04W36/00
CPCH04B7/0617H04W36/06H04W52/08H04W52/241H04W52/143H04W36/0085H04W36/085H04W36/0094H04W36/08H04W52/40
Inventor R.阿克森O.N.C.伊马兹P.拉马莎德拉
Owner TELEFON AB LM ERICSSON (PUBL)
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