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Method and device for using carrier waves in carrier aggregation system

A carrier aggregation and carrier technology, which is applied in the field of communication to achieve the effects of simple implementation, reduced power consumption, and easy application

Inactive Publication Date: 2011-07-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, in order for the UE to support multi-carrier aggregation, the UE must also improve its own receiving / transmitting capabilities, and needs to receive / transmit data on more carriers and wider frequency bands at the same time. The UE's radio frequency needs to support higher bandwidth, baseband The design needs to support more data processing capabilities and more components consume power, which brings great challenges to the terminal

Method used

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  • Method and device for using carrier waves in carrier aggregation system
  • Method and device for using carrier waves in carrier aggregation system
  • Method and device for using carrier waves in carrier aggregation system

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Embodiment Construction

[0050] In a carrier aggregation system, a UE can communicate on multiple carriers at the same time. Due to different service transmission models, the UE does not need to maintain communication on multiple carriers at the same time at every moment. The present invention proposes that the purpose of reducing the processing overhead and power consumption of the UE can be achieved by reducing the functions of some carriers or turning off some carriers.

[0051] Specifically, the method of the present invention includes: dividing more than one carrier status according to the functions possessed by the carrier; transition between carrier states.

[0052] Wherein, the functions possessed by the carrier may correspond to one or more operation procedures.

[0053] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0054]Existing single-carrier scheduling includes resource scheduling in terms of function, a...

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Abstract

The invention discloses a method and a device for using carrier waves in a carrier aggregation system. The method comprises the following steps of: dividing more than one type of carrier states according to functions of the carrier waves; and when the carrier waves are used, turning on or turning off part of or all the functions of the carrier waves to ensure that the carrier waves are switched among more than one type of the carrier wave states. The method and the device achieve the effects of effectively reducing the processing expense and the power consumption of user equipment (UE) by turning off part of or all the functions of the carrier waves. The method and the device are simple to implement and easy to apply.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for using a carrier in a carrier aggregation system. Background technique [0002] In order to provide higher data rate for mobile users, Long Term Evolution Advance (LTE-A for short) proposes a carrier aggregation technology (Carrier aggregation, CA for short), the purpose of which is to provide user equipment with corresponding capabilities (User Equipment (UE for short) provides greater bandwidth and increases the peak rate of UE. In LTE, the maximum downlink transmission bandwidth supported by the system is 20MHz, and carrier aggregation is to aggregate two or more component carriers (CC for short) to support a downlink transmission bandwidth greater than 20MHz, and the maximum does not exceed 100MHz. [0003] The component carrier can use frequency bands already defined by LTE, or can use frequency bands specially added for LTE-A. Due to the current sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/08H04W72/12H04W72/54
CPCY02D30/70
Inventor 黄亚达
Owner ZTE CORP
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