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公开(公告)号:JP5373798B2
公开(公告)日:2013-12-18
申请号:JP2010524727
申请日:2009-08-11
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
Inventor: 啓之 石井
CPC classification number: H04W56/005 , H04W56/00 , H04W76/048
Abstract: To determine a downlink synchronization state in a DRX state or in a state in which uplink timing synchronization is not maintained in user equipment, a mobile station (100) configured to perform communications with a radio base station (200) determines a downlink synchronization state by comparing RSRP measured based on a downlink reference signal transmitted from the radio base station (200) with Qrxlevmin notified from the radio base station (200) when the mobile station (100) is in a connected state in which a radio link with the radio base station (200) is established and in the discontinuous reception state.
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公开(公告)号:JP5371768B2
公开(公告)日:2013-12-18
申请号:JP2009539018
申请日:2008-10-21
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
Inventor: 啓之 石井
CPC classification number: H04B17/327 , H04B17/26 , H04B17/382 , H04W36/0094
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公开(公告)号:JP5357766B2
公开(公告)日:2013-12-04
申请号:JP2009539035
申请日:2008-10-24
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
Inventor: 啓之 石井
IPC: H04W36/00
CPC classification number: H04W36/0094 , H04B17/318 , H04B17/382 , H04W64/006
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公开(公告)号:JP5346802B2
公开(公告)日:2013-11-20
申请号:JP2009512928
申请日:2008-04-21
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
Abstract: A user equipment terminal capable of communicating with a base station apparatus in a mobile communication system includes a transmitting unit configured to transmit to the base station apparatus a first signal concerning a capability of the user equipment terminal; a receiving unit configured to receive from the base station apparatus a second signal concerning the capability of the user equipment terminal; and a communication processing unit configured to perform communication processing based on the capability of the user equipment terminal specified in the second signal. A base station apparatus capable of communicating with a user equipment terminal in a mobile communication system includes a receiving unit configured to receive from the user equipment terminal the first signal concerning the capability of the user equipment terminal; a transmitting unit configured to transmit to the user equipment terminal the second signal concerning the capability of the user equipment terminal; and a communication processing unit configured to perform communication processing based on the capability of the user equipment terminal specified in the second signal.
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公开(公告)号:JP5309221B2
公开(公告)日:2013-10-09
申请号:JP2011535396
申请日:2010-10-05
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
CPC classification number: H04J13/0062 , H04J13/22 , H04L5/0053 , H04W56/0045
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公开(公告)号:JP5283664B2
公开(公告)日:2013-09-04
申请号:JP2010141082
申请日:2010-06-21
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
CPC classification number: H04W72/0453 , H04W8/22 , H04W24/00 , H04W36/14 , H04W88/06
Abstract: A mobile station includes, where the mobile station supports a first frequency band and a second frequency band, an information element generating unit configured to generate an information element indicating at least one of whether a receiver sensitivity is degraded in the second frequency band, whether a certificate has been obtained for communications in the second frequency band, and whether transmission and reception bands of the mobile station correspond to a portion of a bandwidth of the second frequency band, and a transmitting unit configured to transmit the generated information element.
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公开(公告)号:JP5283513B2
公开(公告)日:2013-09-04
申请号:JP2008558084
申请日:2008-02-12
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
CPC classification number: H04W72/0413 , H04L5/0007 , H04L5/0048 , H04W72/08
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公开(公告)号:JPWO2011126025A1
公开(公告)日:2013-07-11
申请号:JP2012509673
申请日:2011-04-05
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
CPC classification number: H04W24/02 , H04L1/0026 , H04W24/10 , H04W28/18 , H04W48/08 , H04W52/241 , H04W52/40 , H04W72/042 , H04W88/08
Abstract: ユーザ端末UEの処理を複雑化させることなく、隣接セルのCQI測定を行うこと。サービングセルに設置された基地局装置(eNodeB#1)において、隣接セルに設置された基地局装置(eNodeB#2)から、当該隣接セルのCSI−RSに関するパラメータとして隣接セルのセルID、CSI−RSの位置及び送信電力を取得し、上記CSI−RSに関するパラメータを含む報知信号を生成してユーザ端末(UE)に送信することを特徴とする。
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公开(公告)号:JP5232660B2
公开(公告)日:2013-07-10
申请号:JP2009001198
申请日:2009-01-06
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
CPC classification number: H04J13/0059 , H04J11/005 , H04J13/0074 , H04J13/14 , H04J13/22 , H04L27/2613 , H04W72/00 , H04W72/0446
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公开(公告)号:JP5227938B2
公开(公告)日:2013-07-03
申请号:JP2009255586
申请日:2009-11-06
Applicant: 株式会社エヌ・ティ・ティ・ドコモ
Inventor: 啓之 石井
IPC: H04W52/18
CPC classification number: H04W52/367 , H04L5/0007 , H04L5/0039 , H04L5/0066 , H04W52/42
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