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SCell deletion method and apparatus

A deletion method and technology of a deletion device, applied in the field of SCell deletion, can solve the problems of introducing computational complexity and causing system overhead, etc.

Active Publication Date: 2014-06-11
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the SCell is configured by the UE, it is considered that the SCell is always valid, that is, the high-level measurement process of the UE configured on the SCell will continue, which introduces additional computational complexity and causes unnecessary system overhead

Method used

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  • SCell deletion method and apparatus

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Embodiment 1

[0017] Embodiment 1 of the present invention proposes an SCell deletion method, which can adaptively match UE transmission requirements under the premise of meeting UE transmission requirements when the CA function is enabled, thereby reducing invalid system overhead or reducing SCell overhead. Inefficient transmission; its flow can be as follows figure 1 shown, including:

[0018] Step 101, determine when the decision to delete the SCell is required, that is, determine the moment when the decision to delete the SCell is required, and at this moment subsequent steps need to be performed.

[0019] In the embodiment of the present invention, the process of determining when to make an SCell deletion decision further includes but is not limited to the following methods:

[0020] Method 1: If the event type that triggers deletion of the SCell is a periodic event trigger, then when the periodic trigger event satisfies a specific condition, it is determined that an SCell deletion de...

Embodiment 2

[0047] Based on the same technical idea, the embodiment of the present invention also provides a schematic structural diagram of an SCell deletion apparatus. see figure 2 , the device consists of:

[0048] SCell deletion decision module 21, used to determine when to perform SCell deletion decision;

[0049] The SCell deletion execution module 22 is configured to determine whether the current SCell needs to be deleted when it is determined that the SCell deletion judgment is required, and delete the current SCell when the judgment result is yes.

[0050] The SCell deletion judging module 21 is specifically configured to determine that an SCell deletion judgment is required if the event type that triggers the deletion of the SCell is a periodic event trigger, when the periodic trigger event meets a specific condition; or, if the event type that triggers the deletion of the SCell is If the aperiodic event is triggered, when the aperiodic trigger event satisfies a specific cond...

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Abstract

The invention discloses an SCell deletion method and apparatus. The method comprises: determining when to perform SCell deletion decision-making; when it is determined that an SCell deletion decision is needed to be made, determining whether it is required to delete a current SCell; and when a determination result is yes, deleting the current SCell. By using the method provided by the embodiments of the invention, when UE transmission demands cannot be satisfied due to the lowered UE transmission demands or worsening SCell channel characteristics, the SCell of UE can be timely deleted, thus unnecessary computing complexity and system cost are reduced.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to an SCell deletion method and device. Background technique [0002] The LTE (Long Term Evolution, long-term evolution) system Rel-10 version introduces the CA (Carrier Aggression, carrier aggregation) feature, which increases the maximum transmission bandwidth supported by the system from 20MHz to 100MHz (5×20MHz). In the CA system, multiple component carriers simultaneously serving a UE (User Equipment, user equipment) are divided into PCC (Primary Component Carrier, primary component carrier) and SCC (Secondary Component Carrier, secondary component carrier). The cell corresponding to PCC is called PCell (Primary Cell, primary cell), which inherits all the functions of the LTE serving cell; the cell corresponding to SCC is called SCell (Secondary Cell, secondary cell), which only undertakes the function of data transmission; If the UE needs to transmit, the system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10
Inventor 徐昊胡奕曾超君
Owner DATANG MOBILE COMM EQUIP CO LTD
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