Method and device for controlling auxiliary carrier of double carriers

A secondary carrier and dual carrier technology, applied in the field of downlink data services

Active Publication Date: 2011-03-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a method and device for controlling secondary carriers of dual carriers, so as to at least solve the above-mentioned problem of additional network control overhead caused by frequently sending HS-SCCH order

Method used

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  • Method and device for controlling auxiliary carrier of double carriers
  • Method and device for controlling auxiliary carrier of double carriers
  • Method and device for controlling auxiliary carrier of double carriers

Examples

Experimental program
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Embodiment 1

[0016] figure 1 It shows a flowchart of a method for controlling a dual-carrier secondary carrier according to an embodiment of the present invention, and the method includes the following steps:

[0017] Step S102: The scheduler of the base station obtains the amount of data to be sent corresponding to the terminal within a specified time, where the terminal is a dual-carrier terminal;

[0018] Among them, the length of the designated time can be set based on experience, for example, the designated time is set to a designated number (500) of the scheduling period, and the scheduling period of the scheduler is usually 2 ms. Based on this, the process for the scheduler to obtain the amount of data may be: the scheduler counts the number of times that there is data to be sent in the buffer area corresponding to the terminal in a specified number of scheduling periods; and determines the amount of data to be sent corresponding to the terminal according to the number of times The propo...

Embodiment 2

[0034] This embodiment provides a method for controlling a dual-carrier secondary carrier. The method can be implemented by the following modules, which can be set on the base station. The specific modules involved are as follows:

[0035] 1) Scheduling module of HSDPA scheduler;

[0036] 2) HSDPCCH demodulation module of HSDPA scheduler;

[0037] 3) Algorithm module of HSDPA scheduler;

[0038] The scheduling module of the scheduler will first determine whether the HSSCCH order period for the activation / deactivation of the DC secondary carrier has arrived during 2ms scheduling. If the HSSCCH order period is satisfied, it will determine whether the DC UE needs to go according to the corresponding algorithm provided by the algorithm module. Activate the secondary carrier; if the condition for sending the HSSCCH order to deactivate the secondary carrier is met, the scheduling module of the scheduler will send the HSSCCH order command to the UE to notify the UE to deactivate the correspo...

Embodiment 3

[0074] image 3 Shows a structural block diagram of an apparatus for controlling a dual-carrier secondary carrier according to an embodiment of the present invention. The apparatus can be set on a scheduler of a base station. The apparatus includes: a data amount acquisition module 32, a control mode determination module 34, and Control module 36; the functions of each module are as follows:

[0075] The data amount acquisition module 32 is configured to acquire the amount of data to be sent corresponding to the terminal within a specified time, where the terminal is a dual-carrier terminal;

[0076] The control mode determination module 34 is connected to the data volume acquisition module 32, and is used to determine the control mode for the secondary carrier of the terminal according to the data volume acquired by the data volume acquisition module 32, where the control mode includes: activating the secondary carrier and deactivating the secondary carrier ;

[0077] The control ...

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Abstract

The invention discloses a method and a device for controlling an auxiliary carrier of double carriers. The method comprises the following steps: a scheduler of a base station acquires a data amount to be sent corresponding to a terminal within a designated time, wherein the terminal is a dual-carrier terminal; the scheduler determines a control mode on the auxiliary carrier of the terminal according to the data amount, and the control mode comprises: activating the auxiliary carrier and deactivating the auxiliary carrier; and the scheduler controls the auxiliary carrier according to the determined control mode. The invention solves the problem that the system performance is influenced by additional network control overhead due to the frequent transmission of HS-SCCH order in the relevant technology and at the same time, saves wireless resources and reduces consumption of the battery power of the terminal.

Description

Technical field [0001] The present invention relates to the field of downlink data services in the third-generation mobile communication technology, and in particular, to a method and device for controlling a dual-carrier secondary carrier. Background technique [0002] In the HSDPA (High Speed ​​Downlink Packet Access) technology in WCDMA (Wireless Code Division Multiple Access), it involves DC (Dual Carrier / Dual Cell, dual carrier). Secondary carrier technology. The R8 protocol introduced the FDD (Frequency Division Duplex, Frequency Division Duplex) dual cell (carrier) HSDPA function in March 2009, and the peak rate of the user equipment UE was increased to 2×21.6M=43.2M. [0003] In order to improve user throughput, DC-HSDPA simultaneously transmits data through two adjacent carriers. For a dual-carrier UE, there are two downlink cells, a serving cell and a secondary serving cell, and the uplink is still one cell. The serving cell has a corresponding uplink channel, but the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W76/04
CPCY02D30/70
Inventor 石清
Owner ZTE CORP
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