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Method and apparatus for transmitting mobility measurement signal in beam-based mobility

A technology for measuring signals and mobility, applied in the directions of transmission path sub-channel allocation, signaling allocation, wireless communication, etc., can solve the problems of large complete search space and time-consuming, and achieve the effect of reducing complexity

Active Publication Date: 2022-01-28
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the second option, it may take time for the UE to find neighboring MRSs fast enough, since the set of target MRSs may not be known explicitly on the UE side, or the complete search space may be too large

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  • Method and apparatus for transmitting mobility measurement signal in beam-based mobility
  • Method and apparatus for transmitting mobility measurement signal in beam-based mobility
  • Method and apparatus for transmitting mobility measurement signal in beam-based mobility

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Embodiment Construction

[0039] As explained above, there is a number of technical issues associated with mobility reference signal (MRS) for beam-based mobility. For example, when the network uses L3 signaling to configure a new set of mobility reference signal (MRS) to the UE, if the UE is overlaid edge, the MRS search, L3 processing, and signaling may result in a drop-off connection. If the UE is used to detect a new MRS and report it to the network using the L3 signaling, the time taken by the UE finds too long, or the relevant energy consumption is too high.

[0040] In order to overcome these and other problems, certain embodiments of the present disclosure provide novel mobility reference signals and search processes that minimize the cost of beam switching, delay, and signaling. Some embodiments disclose two or more signal components that take into account more efficient beam switching. Using multiple signal components to coordinate beam switching provides many technical advantages that are not im...

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Abstract

According to some embodiments, a method in a wireless device (110) for performing mobility measurements comprises detecting (402) a first mobility measurement signal component transmitted from a network node (100), the first mobility measurement The signal includes group ID information. The method may also include using the group ID information to determine (404) one or more of a beam ID range and a resource allocation range for the second mobility measurement signal component. And, the method may further comprise detecting (406) the second mobility measurement signal component using one or more of the beam ID range and the resource allocation range.

Description

Technical field [0001] The present disclosure relates generally to wireless communications, and more particularly, relates to mobility of a mobility reference signal based on the beam. Background technique [0002] Compared with the current LTE mobility solutions for the next generation (NG) architecture (see e.g. TR 23.799, Study on Architecture for Next Generation), and more specifically, for NG access technology (see, e.g. TR 38.913, Study on Scenarios and requirements for Next Generation AccessTechnologies) general requirements will affect for the new RAT (NR) (see, for example, RP-160671, new SIDProposal: design Study on new Radio Access Technology, DoCoMo) active mode mobility solutions. Some of these requirements include support NEE mechanisms provide a "future", and support for a very wide range of frequencies (up to 100 GHz) requires. [0003] Neighbor cell / beam search and detection process [0004] In LTE, user equipment (UE) of a cell-based primary synchronization si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W48/16
CPCH04W48/16H04W36/00835H04W36/0085H04W36/0058H04L5/0053
Inventor O.N.C.伊尔马斯R.安德烈斯
Owner TELEFON AB LM ERICSSON (PUBL)
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