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Cell reselection enhancement for power saving lte devices

A technology for cell reselection and power saving, applied in power management, energy-saving ICT, advanced technology, etc., and can solve problems such as high impact

Active Publication Date: 2015-11-18
HFI INNOVATION INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the paging cycle is extended to the minute level or longer, then the impact is greater

Method used

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  • Cell reselection enhancement for power saving lte devices
  • Cell reselection enhancement for power saving lte devices
  • Cell reselection enhancement for power saving lte devices

Examples

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Embodiment Construction

[0027] Reference will now be made in detail to some embodiments of the present invention, and examples will be described in conjunction with the accompanying drawings.

[0028] figure 1 A schematic diagram of a mobile communication network supporting enhanced cell reselection and enhanced paging according to a novel aspect. exist figure 1 In the example of , the mobile communication network 102 is an LTE network. In step 111, the user equipment UE101 is in a normal idle mode, camps in a cell, or has established a radio resource control (Radio Resource Control, RRC) connection with a serving base station in a connected mode. In step 112 , UE101 acquires configuration and parameters from network 102 . Configurations and parameters, for example, may relate to sleep mode operation, as well as paging and cell reselection configurations and parameters. The UE 101 can be configured to operate in different sleep modes with different sleep periods in the sleep mode and the connec...

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Abstract

A method of cell reselection enhancement is proposed. A UE obtains parameters for extended cell reselection (ECR) in a mobile communication network. The UE goes to sleep and then wakes up periodically to monitor a paging channel. The UE either applies a normal paging cycle having a normal paging cycle length or applies a power-saving paging cycle having a very long paging cycle length. The UE performs cell selection if normal paging cycle is applied. The UE performs cell reselection based on the ECR parameters if the power-saving paging cycle is applied, and if the ECR parameters are still valid based on a list of conditions. In one novel aspect, the network provides the ECR parameters for a wider area for the UE such that the UE can still use cell reselection after waking up from a very long sleep to reduce power consumption.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application No. 61 / 821,801 titled "SuperLongDRX for PowerSaving LTE Device" filed on May 10, 2013 under 35 U.S.C. §119, The subject matter of the above application is hereby incorporated by reference. technical field [0003] The disclosed embodiments are generally related to mobile communication network devices, and more specifically, to UE enhancement for power consumption optimization. Background technique [0004] LTE is an improved Universal Mobile Telecommunications System (UMTS), and LTE provides higher data rate, lower delay and improved system capacity. In the LTE system, the ETURAN (Universal Terrestrial Radio Access Network) communicates with multiple mobile stations. The ETURAN includes multiple base stations, called evolved Node Bs, and the mobile stations are called User Equipment (UE) ). UE can communicate with base station or eNB through DL and UL...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W68/00
CPCH04W52/0225H04W36/0072H04W48/20H04W52/0216H04W68/02Y02B60/50H04W76/28Y02D30/70H04W36/249
Inventor 徐家俊波·乔·麦可·康森恩
Owner HFI INNOVATION INC
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