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Relay node subframe configuration method, device and communication system

A technology of subframe configuration and frame configuration, which is applied in the wireless field and can solve problems such as inability to effectively perform subframe configuration

Inactive Publication Date: 2012-07-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the prior art, when CA and RN are jointly deployed in the LTE system, that is, the base station and RN can communicate on multiple carriers at the same time, the prior art cannot effectively configure RN subframes under CA

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  • Relay node subframe configuration method, device and communication system
  • Relay node subframe configuration method, device and communication system
  • Relay node subframe configuration method, device and communication system

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Embodiment Construction

[0030] In order to make the specific technical solution and the purpose of the invention clearer, further description will be made below in conjunction with specific implementation methods and accompanying drawings.

[0031] The technical solutions provided by the embodiments of the present invention can be applied to various wireless communication networks, such as code division multiple access (code division multiple access, CDMA), time division multiple access (time division multiple access, TDMA), frequency division multiple access (frequency division multiple access) multiple access (FDMA), orthogonal frequency division multiple access (OFDMA), single carrier frequency division multiple access (single carrier FDMA, SC-FDMA), and other networks. The terms "network" and "system" are used interchangeably. A CDMA network may implement wireless technologies such as universal terrestrial radio access (UTRA), CDMA2000, and the like. UTRA may include CDMA (WCDMA) and other varia...

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Abstract

The invention discloses a relay node subframe configuration method, which comprises the steps that a relay node (RN) transmits an RN subframe configuration request for one component carrier (CC) or multiple CCs to a base station, wherein the RN subframe configuration request for one CC or multiple CCs is used for requesting for configuring the RN subframe of one CC or multiple CCs; and the RN receives RN subframe configuration information for the CC transmitted by the base station, wherein the RN subframe configuration information for the CC is obtained through configuration after the base station receives the RN subframe configuration request for the CC. The invention additionally discloses a corresponding device. According to the scheme, the RN subframe configuration of the CC in scenes that carriers are aggregated and RNs are jointly deployed can be realized.

Description

technical field [0001] The present invention relates to the field of wireless technologies, and in particular to a relay station (relay node, RN) subframe configuration method, device and communication system. Background technique [0002] In the evolution of a long term evolution (long term evolution, LTE) system, an RN is introduced, and the RN accesses the network through a base station, which may be called a host base station of the RN. The link between the base station and user equipment (user equipment, UE) is divided into a relay link between the base station and the RN, and an access link between the RN and the UE. [0003] According to whether the frequency resources used by the relay link and the access link are the same, the relay can be divided into an in-band relay (in band relay) and an out-band relay (out band relay). For the in-band relay, according to the capability of the RN, if the RN cannot complete receiving and sending on the relay link and the access ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B7/15
CPCH04L5/001H04L5/0094H04B7/155H04W72/0453
Inventor 常宁娟刘菁王可彭炎
Owner HUAWEI TECH CO LTD
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