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Information transferring method and system

A technology of information transmission and information transmission, which is applied in the field of communication, can solve problems such as ensuring the quality of user terminals at the same time, and achieve the effect of reducing interference

Active Publication Date: 2013-10-30
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] It can be seen that in the above two solutions in the prior art, it is impossible to effectively reduce the interference received by the user terminal while ensuring the quality of the uplink and downlink of the user terminal at the same time

Method used

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  • Information transferring method and system
  • Information transferring method and system

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Embodiment Construction

[0040] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0041] figure 1 It is a schematic diagram of an embodiment of the information transmission method of the present invention. Such as figure 1 As shown, the steps of the information transmission method in this embodiment are as follows:

[0042] In step 101, the macro base station judges whether the user terminal is in the edge area of ​​the macro cell and the micro cell, and sends corresponding link parameters to the user terminal according to the judgment result.

[0043] Step 102, the user terminal adjusts its uplink and downlink according to link parameters;

[0044] Step 103, if the macro base station determines that the user terminal is in the border area between the macro cell and the micro cell, the user terminal receives first downlink information from the macro base station through a dow...

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Abstract

The invention discloses an information transferring method and system. According to the information transferring method, a macro base station judges whether a user terminal is located in the marginal area of a macro cell and a micro cell or not and sends the parameter of a corresponding link to the user terminal according to a judgment result. The user terminal adjusts the uplink and the downlink of the user terminal according to the parameter of the link. If the macro base station determines that the user terminal is located in the marginal area of the macro cell and the micro cell, the user terminal receives first downlink information from the macro base station through the downlink and sends first uplink information to a micro base station of the micro cell through the uplink. Due to the fact that the uplink and the downlink of the user terminal can conduct communication with different cells, the quality of the uplink and the downlink of the user terminal can be guaranteed simultaneously, and interference in the user terminal is effectively reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to an information transmission method and system. Background technique [0002] Due to limited spectrum resources, the capacity of cellular mobile communication networks is limited. When the traffic demand of the user in the cellular cell exceeds the limit of the capacity that the cell can provide, the effective communication rate of the user will decrease. Using the cell splitting technology alone is no longer able to meet the rapidly growing data service requirements of users. Within the coverage of macro cells, by introducing new low-power nodes (micro base stations), the distance between the transmitter and receiver is shortened in local areas, that is, the "heterogeneous network" architecture is used to improve coverage and system throughput. effective way. [0003] In a heterogeneous network, micro base stations are small in size, easy to deploy, and lower in construction and main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/18H04W72/08H04W72/54
Inventor 毕奇陈鹏杨姗佘小明蒋峥刘洋李欣
Owner CHINA TELECOM CORP LTD
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