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Compressed mode measurements for flexible bandwidth carrier systems, devices, and methods

A flexible bandwidth, carrier technology, applied in wireless communication, access restriction, electrical components, etc., can solve different problems

Active Publication Date: 2014-10-08
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, different issues may arise when performing inter-frequency measurements on flexible bandwidth carrier systems

Method used

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  • Compressed mode measurements for flexible bandwidth carrier systems, devices, and methods
  • Compressed mode measurements for flexible bandwidth carrier systems, devices, and methods
  • Compressed mode measurements for flexible bandwidth carrier systems, devices, and methods

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Embodiment Construction

[0065] The present application provides methods, systems and devices that can solve the following problems: how a radio access network enables a user equipment (UE) in connected mode to perform inter-frequency measurements on a first bandwidth cell on another bandwidth cell. The first bandwidth cell may be a normal bandwidth cell or a flexible bandwidth cell, and the second bandwidth cell may be a normal bandwidth cell or a flexible bandwidth cell. A UE connected to a normal bandwidth cell may perform measurements on inter-frequency adjacent normal bandwidth cells and flexible bandwidth cells to assist the serving normal bandwidth cell in determining possible handover candidates. To enable inter-frequency measurements, the data and control channels may be compressed (eg, sent with a shorter than normal period). For example, a frame that may typically be 15 slots may be compressed into 7 slots for transmission. This may enable the UE to tune to other frequencies during the rem...

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Abstract

Methods, systems, and devices are provided that may address problems to enabling a user equipment (UE) in connected mode on a normal bandwidth cell to make inter-frequency measurements on another normal bandwidth cell and a flexible bandwidth cell. Some embodiment utilize a set of compressed mode gap configurations for measuring both normal bandwidth and flexible bandwidth inter-frequency cells with the following modification for flexible bandwidth cells: reducing the coherent length used by the UE; using the same cell search parameters at the UE but modifying the compressed mode gap parameters to accommodate both normal bandwidth and flexible bandwidth cell search; and / or maintaining the compressed mode gap parameters but reducing the search window size during cell search coherent accumulation. Some embodiments may configure separate compressed mode measurements configuration for normal bandwidth and flexible bandwidth measurements.

Description

[0001] cross reference [0002] This patent application claims priority to Provisional Application No. 61 / 568,742, filed December 9, 2011, entitled "SIGNAL CAPACITY BOOSTING, COORDINATED FORWARD LINK BLANKING AND POWER BOOSTING, AND REVERSE LINK THROUGHPUT INCREASING FOR FLEXIBLE BANDWIDTH SYSTEMS" , which is assigned to the assignee of the present application and is hereby expressly incorporated by reference for all purposes. This patent application also claims priority to Provisional Patent Application No. 61 / 672,182, filed July 16, 2012, entitled "COMPRESSED MODE MEASUREMENTS FOR FLEXIBLE BANDWIDTH SYSTEMS, DEVICES, AND METHODS," which has been assigned to The assignee of the present application, it is hereby expressly incorporated by reference for all purposes. Background technique [0003] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems ...

Claims

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Application Information

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IPC IPC(8): H04W24/10
CPCH04W48/20H04W24/02H04W36/0094H04W16/14H04W24/00
Inventor O·O·阿沃尼伊S·S·索利曼E·C·帕克R·F·小奎克S·达斯
Owner QUALCOMM INC