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UEs, network nodes and methods to aid in measurements in mixed-signal configurations

A signal configuration and network node technology, applied in pilot signal allocation, transmission path sub-channel allocation, location diversity, etc., can solve the problem of reducing measurement

Active Publication Date: 2018-12-21
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will degrade the measurements performed by the UE on cells on such "mixed NCT carriers"

Method used

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  • UEs, network nodes and methods to aid in measurements in mixed-signal configurations
  • UEs, network nodes and methods to aid in measurements in mixed-signal configurations
  • UEs, network nodes and methods to aid in measurements in mixed-signal configurations

Examples

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Embodiment Construction

[0088] As part of the research examples in this article, a problem will first be identified and discussed.

[0089] In the prior art, the UE only knows the type of carrier used to operate the serving cell (ie, PCell and SCell). This information is provided to the UE by the serving eNB. The type of carrier may be a new carrier type (NCT), or it may be a conventional carrier type (LCT). However, the UE does not know the carrier type used to operate the neighbor cell. The UE assumes that all cells on the carrier use LCT or NCT to operate. That is, in the existing solution, the UE assumes that all cells on the carrier have the same CRS configuration, that is, all cells on the NCT use the NCT configuration to operate. Therefore, the UE can perform measurements on all cells in the same way.

[0090] However, due to the introduction of NCT, some cells on the NCT carrier can be operated using RS transmission configured with NCT, such as CRS only transmitted in DL subframes every 5ms, w...

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PUM

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Abstract

A method for adapting a radio procedure in a UE is provided. The UE obtains (502) information about the signal configuration indicating whether the downlink DL reference signal RS transmitted in the cell on the first carrier frequency of the first carrier uses the first signal configuration and the second signal configuration the same signal configuration, or - whether said DL RS transmitted in said cell on said first carrier frequency uses the same signal configuration as used in said first signal configuration and said second signal configuration On the carrier frequency, the signal configuration of the DL RS sent in the serving cell of the UE (120) is the same signal configuration. The first signal configuration includes DL RSs that are not sent in every subframe. The second signal configuration includes a DL RS transmitted in each subframe and in each resource block on the entire channel bandwidth of the neighbor cell. The UE adapts (503) radio procedures based on the obtained information.

Description

Technical field [0001] The embodiments herein relate to user equipment (UE), network nodes, and methods therein. In particular, the embodiments herein relate to the adaptation radio procedure and the assisting UE adaptation radio procedure. Background technique [0002] Communication devices such as terminals are called, for example, user equipment (UE), mobile terminals, wireless terminals, and / or mobile stations. The terminal is able to communicate wirelessly in a cellular communication network or wireless communication system sometimes also referred to as a cellular radio system or cellular network. Communication may be via a radio access network (RAN) and possibly via one or more core networks (which are included in a cellular communication network) between, for example, two terminals, between a terminal and a normal phone, and / or between a terminal and Execute between servers. [0003] The terminal can also be called a mobile phone, a cellular phone, a notebook computer, or...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W72/00H04W72/12
CPCH04B7/022H04L5/001H04L5/0035H04L5/0048H04L5/0094
Inventor A·贝拉万M·卡兹米
Owner TELEFON AB LM ERICSSON (PUBL)