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Method for inter-radio access technology cell reselection

A technology for radio access and cell reselection, used in wireless communications, electrical components, etc.

Active Publication Date: 2014-06-25
INTERDIGITAL TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cell selection quality value is compared to a predetermined threshold

Method used

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  • Method for inter-radio access technology cell reselection
  • Method for inter-radio access technology cell reselection
  • Method for inter-radio access technology cell reselection

Examples

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Embodiment

[0120] 1. A method for performing cell reselection, the method comprising determining a current cell selection quality value; comparing the cell selection quality value with a predetermined threshold; if the cell selection quality value is less than or equal to the predetermined threshold , Then measure the neighboring cell; and if a neighboring cell that is better than the current cell is found based on the measurement, then reselect to the better neighboring cell.

[0121] 2. The method according to embodiment 1, wherein the cell selection quality value is the difference between the reference symbol reception quality in the cell and the minimum required quality level.

[0122] 3. The method according to embodiment 1 or 2, wherein the threshold is a threshold for triggering intra-frequency measurement; and the measurement performed is about neighboring intra-frequency cells.

[0123] 4. The method according to embodiment 1 or 2, wherein the threshold is a threshold for triggering in...

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Abstract

A method for performing cell reselection implemented in a wireless transmit receive unit (WTRU), the method comprising, receiving, from a current cell in a current radio access technology (RAT), inter-RAT priority information; and determining to perform quality measurements on an inter-RAT cell in a candidate RAT based on the inter-RAT priority information.

Description

Technical field [0001] The present invention relates to wireless communication. Background technique [0002] The Third Generation Partnership Project (3GPP) has launched the Long Term Evolution (LTE) project to bring new technologies, new network architectures and configurations, and new applications and services to wireless cellular networks in order to provide improved Spectrum efficiency, reduced latency, faster user experience, and richer applications and services. LTE aims to implement E-UTRAN (Evolved Universal Terrestrial Radio Access Network). [0003] In the Universal Mobile Telecommunications System (UMTS), when a wireless transmit / receive unit (WTRU) camps on a cell (that is, when the WTRU has selected a cell and switched to the control channel of the cell), The WTRU regularly searches for better cells based on a set of criteria. If a better cell is found, then the better cell is selected and the WTRU will camp on the better cell. In earlier UMTS systems, the WTRU c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/30
CPCH04W36/30H04W36/0085H04W36/0088H04W36/34H04W48/20
Inventor D·帕尼M·萨摩尔S·索马桑德朗王津R·P·穆克吉
Owner INTERDIGITAL TECH CORP