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Method and arrangement in a wireless communication network

A communication mode and signal technology, applied in the direction of radio relay system, radio transmission system, electrical components, etc., can solve the problems of performance loss, overall transmission performance loss, prolonging the total transmission time, etc., and achieve the effect of improving performance

Inactive Publication Date: 2013-02-27
ERICSSON (CHINA) COMMUNICATION COMPANY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] While network deployment effort and hardware requirements may not be an issue for Type 1 trunking, such a half-duplex mechanism results in an undesirable performance loss as resources are divided between Un and Uu
[0008] Therefore, overall transfer performance suffers compared to transfer in full-duplex mode, which allows communication in both directions simultaneously
[0009] Another problem related to known solutions for avoiding self-interference at relay nodes is that time division creates a delay in transmission, which prolongs the total transmission time

Method used

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  • Method and arrangement in a wireless communication network
  • Method and arrangement in a wireless communication network
  • Method and arrangement in a wireless communication network

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Embodiment Construction

[0035] The solution is defined as the method and device in the relay node, and the methods and devices in the base station, which can be implemented in the following examples.However, the solution can be reflected in many different forms, so it should not be regarded as the embodiments mentioned in this article.The method and device of the invention are limited to any specific forms of the present invention. On the contrary, the method and device of the present invention must cover all modifications, equivalent schemes and alternatives within the scope of the solution defined by the claims.

[0036] Of course, without the basic characteristics of the solution, the solution can be performed differently from other ways except those methods described herein.In all aspects, all aspects must be deemed to be described rather than restrictions, and all changes in the scope of equivalent claims and equivalent scope should be covered in it.

[0037] figure 2 It is a schematic diagram on t...

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Abstract

Method and arrangement in a relay node, for selecting communication mode. The relay node is configured to communicate with a base station via a donor antenna over a first link and to communicate with a user equipment via a coverage antenna over a second link. The method comprises obtaining an isolation value, based on the radio wave isolation between the relay donor antenna and the relay coverage antenna. The obtained isolation value is compared with an isolation threshold level value. The relay node is configured to communicate in full duplex mode if the obtained isolation value exceeds the isolation threshold level value, otherwise in half duplex mode. Information concerning the configured duplex mode of the relay node is transmitted to the base station. Also a method and arrangement in a base station is described.

Description

Technical field [0001] The present invention involves the methods and devices in the relay node and the methods and devices in the base station.More specifically, the present invention involves a mechanism for selecting a communication mode in a relay node. Background technique [0002] For example, the 10th edition of the long -term evolution (LTE) is considered to be a tool for improving high data rates, group mobility, temporary network deployment, community edge throughput, and / or providing coverage in new areas.At least the type 1 relay node is part of the LTE level, and the type 1 relay is a series of internal relay nodes (RN) characterized by a series of characteristics.UE) is displayed as the distribution version of 8ENB and so on. [0003] Among the third -generation partner project (3GPP) that forms a part of the LTE work, it is generally assumed that the transmission of any antenna of any of the relay nodes can cause serious interference to the reception of another ant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/14
CPCH04B7/155H04B7/15564H04B7/15557
Inventor 甘剑松N.约翰逊刘愔缪庆育P.莫伯格王亥
Owner ERICSSON (CHINA) COMMUNICATION COMPANY LTD
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