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Extended battery lifetime for nb-iot devices via coverage class specific paging

A coverage level, specific technology, applied in advanced technology, electrical components, wireless communication, etc., can solve the problem of low efficiency in the overall cell capacity, improve paging waiting time, extend battery life, reduce RF and baseband processing work Effect

Pending Publication Date: 2020-10-13
SHENZHEN GOODIX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since this DCI is only sent when no other downlink traffic is in progress, this solution is only partially effective
Furthermore, the solution in [R1-155803] is less efficient in terms of overall cell capacity because additional DCI messages consume downlink resources that are no longer available to other NB-IoT devices

Method used

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  • Extended battery lifetime for nb-iot devices via coverage class specific paging
  • Extended battery lifetime for nb-iot devices via coverage class specific paging
  • Extended battery lifetime for nb-iot devices via coverage class specific paging

Examples

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Embodiment Construction

[0033] In the following, a procedure to solve the above problems will be proposed to reduce the power consumption of NB-IoT devices in good coverage in idle mode. In particular, the following procedures are introduced:

[0034] -The process of statically configuring paging for each coverage level in NB-IoT RAN

[0035] - Division of paging occasions by coverage class using system information.

[0036] - Process for initial selection of paging coverage class

[0037] - The UE selects its coverage level by comparing the NRSRP threshold in the system information.

[0038] - The process of changing the coverage level of UE side paging

[0039] - When the signal condition changes, the UE may select other coverage levels for paging.

[0040] - The network may request the UE to report changes in its paging coverage level.

[0041] - The process of network paging devices

[0042] - NB-IoT RAN can efficiently page UEs based on the latest known coverage levels stored in the core n...

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Abstract

The invention discloses a method for optimizing power consumption for Narrowband Internet of Things devices, UEs, in idle mode using a coverage class specific paging configuration. The object of the invention to find a method that reduces power consumption of NB-IoT devices in good signal coverage within idle mode will be solved by a method for optimizing power consumption for Narrowband Internetof Things devices, UEs, in idle mode using a coverage class specific paging configuration, wherein carriers for paging are partitioned by coverage class, whereas the coverage class specific paging configuration, broadcasted by a system information exchanged between the base station and the UE, is extended by an additional NRSRP rsrp-ThresholdPcch threshold, whereas the UE selects one carrier for paging with a Narrowband Reference signal received power (NRSRP) smaller than the rsrp-ThresholdPcch threshold or if a UE is not reachable the eNodeB expands a paging area for the considered UE stepwise into other paging coverage classes in order to reach the UE.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from European Patent Application No. 19179725.7, filed 12 June 2019, entitled "Specific Paging to extend battery life for NB-IoT devices", priority of European patent application number 19153201.9. The entire contents of the aforementioned patent applications are hereby incorporated by reference. technical field [0003] The present invention relates to extending battery life for NB-IoT devices through coverage class specific paging. Background technique [0004] Narrowband Internet-of-Thing (NB-IoT) is a recently approved 3GPP standard for the radio interface between a base station (eNodeB) and a user equipment (UE). It can be deployed in the reallocated GSM spectrum in a stand-alone manner. In addition, it can share spectrum resources with FD-LTE cells within the LTE frequency band and within the LTE guard band. The goals of the standard are energy-efficient transmission of infreq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/02
CPCH04W68/02H04W52/0216Y02D30/70G16Y20/20G16Y10/75H04W48/10H04W52/0219H04W68/08H04W72/02
Inventor 马赛厄斯·库尔思
Owner SHENZHEN GOODIX TECH CO LTD
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