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Communication Section Setting Method, Relay Station And Mobile Communication System

A technology of mobile communication system and communication section, which is applied in the relay field of wireless communication, and can solve problems such as inability to send mobile station control signals

Inactive Publication Date: 2012-12-05
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] In addition, in the uplink backhaul, PUCCH (Physical Uplink Control Channel: Physical Layer Uplink Control Channel) and PUSCH (Physical Uplink Shared Channel: Physical Uplink Shared Channel), which are control signals suitable for relay stations, can be sent, but cannot be sent as PUCCH, PUSCH of the control signal to be sent by the mobile station

Method used

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  • Communication Section Setting Method, Relay Station And Mobile Communication System
  • Communication Section Setting Method, Relay Station And Mobile Communication System
  • Communication Section Setting Method, Relay Station And Mobile Communication System

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Embodiment Construction

[0072] Several embodiments will be described below. In addition, in the following description, a base station, a relay station, and a mobile station are abbreviated as eNB, RN, and UE, respectively, as appropriate. The base station eNB in ​​this embodiment is a donor base station (Donor eNB or DeNB) that supports backhaul with the relay station RN.

[0073] In the following description, a "backhaul interval" refers to one or more intervals among a plurality of intervals set in units of TTI (Transmission Time Interval) in a single radio frame. In the present embodiment, TTI is defined as time in units of subframes (1 ms). "Setting the backhaul" may mean setting or determining the backhaul as a subframe in the radio frame. Also, this embodiment can be applied even when TTI is not a time in units of subframes. That is, TTI originally means "the time required to transmit a transport block (Transport Block)", and a subframe originally means "a section in which radio resources ar...

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Abstract

Provided is a mobile communication system wherein a mobile relay station sets a common restricted communication period to mobile stations (UE) under control of the mobile relay station (RN) during a period from the detection of a handover till the application of a new backhaul connected to a base station that is a destination of the handover. For example, during a restricted communication period, such as Measurement gap, the mobile stations under control of the mobile relay station do not perform data transmissions / receptions, so that a back-haul can be set during the Measurement gap.

Description

technical field [0001] The invention relates to the relay technology of wireless communication between a base station and a mobile station. Background technique [0002] In the cellular mobile communication system, the development from UMTS (Universal Mobile Telecommunication System: Universal Mobile Communication System) to LTE (Long Term Evolution: Long Term Evolution) has been realized. In LTE, OFDM (Orthogonal Frequency Division Multiplexing: Orthogonal Frequency Division Multiplexing) and SC-FDMA (Single Carrier-Frequency Division Multiple Access: Single Carrier Frequency Division Multiple Access) are used as downlink and uplink wireless access technologies, respectively. It can perform high-speed wireless packet communication with a peak downlink transmission rate of over 100Mb / s and an uplink peak transmission rate of over 50Mb / s. The international standardization organization 3GPP (3rd Generation Partnership Project: 3rd Generation Partnership Project) has started r...

Claims

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Application Information

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IPC IPC(8): H04W16/26H04B7/15H04W72/04H04W84/00
CPCH04W84/047H04W76/04H04W76/048H04W36/0088H04W88/04H04B7/155H04W76/28H04W16/26H04W36/34H04W76/20
Inventor 太田好明河崎义博田岛喜晴田中良纪杉山胜正
Owner FUJITSU LTD
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