MOBILE COMMUNICATION SYSTEM

Title:

MOBILE COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2011/114429

Kind Code:

A1

Abstract:

A mobile communication system comprises a base station and a relay station that is operative to relay data transmitted and received between the base station and a mobile station. The base station comprises: a first scheduler for scheduling an initial transmission of data transmitted and received between the base station and the mobile station via the relay station; and a first managing unit for managing, as the radio resource used for the initial transmission of the data, a predetermined radio resource that is periodically used. The relay station comprises: a second scheduler for scheduling the transmission of a message used for determining whether the retransmission of the data is necessary and for scheduling the retransmission of the data; and a second managing unit for managing radio resources used for the transmission of the message and used for the retransmission of the data.

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Inventors:

OHTA YOSHIAKI (JP)
TAJIMA YOSHIHARU (JP)
TANAKA YOSHINORI (JP)
KAWASAKI YOSHIHIRO (JP)
OBUCHI KAZUHISA (JP)
SUGIYAMA KATSUMASA (JP)
SHIMIZU MASATSUGU (JP)

Application Number:

PCT/JP2010/054360

Publication Date:

September 22, 2011

Filing Date:

March 15, 2010

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Assignee:

FUJITSU LTD (JP)
OHTA YOSHIAKI (JP)
TAJIMA YOSHIHARU (JP)
TANAKA YOSHINORI (JP)
KAWASAKI YOSHIHIRO (JP)
OBUCHI KAZUHISA (JP)
SUGIYAMA KATSUMASA (JP)
SHIMIZU MASATSUGU (JP)

International Classes:

H04W16/26; H04B7/15; H04L1/16; H04W28/04; H04W72/04

Foreign References:

JP2008211803A	2008-09-11
JP2008060951A	2008-03-13

Other References:

ERICSSON ET AL.: "Un HARQ timing alternatives", 3GPP TSG-RAN WG1 #60, R1-100864, 22 February 2010 (2010-02-22)
SAMSUNG: "HARQ operation for relay", 3GPP TSG RAN WG2 #67, R2-094878, 28 August 2009 (2009-08-28)

Attorney, Agent or Firm:

MATSUKURA, Hidemi et al. (JP)
Hidemi Matsukura (JP)

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