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Apparatus and method for transparent relaying in multi-hop relay cellular network

A technology of cellular network and relay station, which is applied in the field of multi-hop relay cellular network, and can solve problems such as preventing flexible configuration of wireless network and difficulty in providing effective services

Inactive Publication Date: 2007-11-14
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, the fixedness of the BS prevents the flexible configuration of the wireless network, which makes it difficult to provide effective services in a wireless environment that experiences variable traffic distribution and large variations in the number of calls

Method used

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  • Apparatus and method for transparent relaying in multi-hop relay cellular network

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Embodiment Construction

[0036] Preferred embodiments of the present invention will be described herein below with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

[0037] The present invention provides a transparent relay service in multiple frequency bands in a multi-hop relay cellular network. That is, a cellular network provides a transparent relay service using a plurality of frequency bands, and implements communication via a BS-RS link and an RS-MS link by using different frequency bands. A transparent relay service is defined as a service that allows a relay service via an RS to appear as a direct service from a BS from the perspective of an MS receiving the relay service.

[0038] The following description is made in the context of a Time Division Duplex-Orthogonal Frequency Division Multiple Access (TDD-OFDMA) wireless communication system, to...

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Abstract

An apparatus and method for transparently relaying a signal using a plurality of frequency bands in a multi-hop relay cellular network are provided, in which a Relay Station (RS) communicates with a Base Station (BS) via a relay link in a first frequency band and communicates with a Mobile Station (MS) within the sub-cell of the RS via a sub-cell link in a second frequency band different from the first frequency band.

Description

[0001] Cross References to Related Applications [0002] This application claims under 35 U.S.C. §119 of the application filed with the Korean Intellectual Property Office on January 3, 2006 and assigned serial number 2006-423, and filed with the Korean Intellectual Property Office on June 30, 2006 and assigned priority to application Serial No. 2006-60776, the contents of each of which are hereby incorporated by reference. technical field [0003] The present invention generally relates to a multi-hop relay cellular network, in particular to a device and method for providing transparent relay services in multiple frequency bands in the multi-hop relay cellular network. Background technique [0004] In the fourth generation (4G) mobile communication system, the cell radius is reduced to achieve a higher transmission rate and accommodate a larger number of calls. Centralized network design using traditional wireless network configuration techniques is not feasible for 4G mob...

Claims

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Application Information

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IPC IPC(8): H04B7/145H04B7/26
CPCH04B7/155H04W72/04H04W84/047G06K7/1404G06K2007/10524G08B7/06G08G1/123
Inventor 李美贤赵在源朴廷镐洪松男周判谕丁俊伶李成真姜贤贞
Owner SAMSUNG ELECTRONICS CO LTD
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