Control mechanism for autonomous mobility of terminal device

A technology of autonomous movement and control unit, applied in the direction of access restriction, electrical components, wireless communication, etc., can solve problems such as delay, limited Scell ​​availability, high overhead, etc., and achieve the effect of avoiding interruption

Inactive Publication Date: 2014-05-07
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

thus limiting the usability of the Scell
Furthermore, it should be noted that in existing mobility schemes, when UE moves through an area with high density of small cells, a lot of signaling between eNB and UE and between eNB of Pcell and eNB of Scell ​​may be triggered
As mentioned above, this not only causes latency, but also increases the signaling load, which can be very expensive

Method used

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  • Control mechanism for autonomous mobility of terminal device
  • Control mechanism for autonomous mobility of terminal device
  • Control mechanism for autonomous mobility of terminal device

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Embodiment Construction

[0067] Embodiments and implementations of the present invention are described below with reference to the drawings. In order to illustrate the invention, the embodiments and implementations are described in connection with a cellular communication network based on a 3GPP based communication system, eg based on the LTE-A system. It should be noted, however, that the present invention is not limited to applications using this type of communication system, but can also be used with other types of communication systems and the like.

[0068]The basic system architecture of the communication network in which the embodiments of the embodiments of the present invention are applied may include the known architecture of one or more communication systems including a wired or wireless access network subsystem and a core network. Such an architecture comprises one or more access network control elements, radio access network elements, access service network gateways or base transceiver st...

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Abstract

There is provided a mechanism for controlling an autonomous mobility procedure of a user equipment. A list of candidate communication cells usable as target cells for the autonomous mobility procedure conducted by the UE is transmitted by the network to the UE. Furthermore, when the list is sent to the communication element, preparation information is sent to the candidate communication cells contained in the list sent to the user equipment for preparing the candidate communication cells for a potential autonomous mobility procedure conducted by the user equipment. When a cell is detected, the user equipment uses the list to determine whether the detected cell is a candidate cell for the autonomous mobility procedure. When the cell receives an access request, it uses the preparation information for determining that the requesting UE is conducting an autonomous mobility procedure, and obtains configuration date for immediately providing service to the user equipment.

Description

technical field [0001] The present invention relates to mechanisms for controlling autonomous mobility procedures of a terminal or user equipment. In particular, the present invention relates to apparatuses, methods and computer program products that allow a terminal device or user equipment to carry out autonomous mobility procedures, eg in a heterogeneous network. Background technique [0002] The following meanings of the abbreviations used in the description apply: [0003] BS: base station [0004] CA: Carrier Aggregation [0005] eNB: Evolved Node B [0006] ID: identification [0007] LTE: Long Term Evolution [0008] LTE-A: LTE Advanced [0009] MeNB: macro eNB [0010] PCell: main cell [0011] PCI: Physical Cell ID [0012] PeNB: pico eNB [0013] QoS: Quality of Service [0014] RACH: random access channel [0015] RRC: Radio Resource Control [0016] RF: radio frequency [0017] SCell: secondary cell [0018] UE: user equipment [0019] In the pas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W48/20
CPCH04W36/0005H04W36/0061H04W36/04H04W36/36
Inventor J·K·佩科南A·A·托斯卡拉K·I·佩德森
Owner NOKIA TECHNOLOGLES OY
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