JP5985491B2 - 無線通信システムで互いに異なる形態のサブフレームを受信する方法及び装置 - Google Patents
無線通信システムで互いに異なる形態のサブフレームを受信する方法及び装置 Download PDFInfo
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- JP5985491B2 JP5985491B2 JP2013537620A JP2013537620A JP5985491B2 JP 5985491 B2 JP5985491 B2 JP 5985491B2 JP 2013537620 A JP2013537620 A JP 2013537620A JP 2013537620 A JP2013537620 A JP 2013537620A JP 5985491 B2 JP5985491 B2 JP 5985491B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/71—Wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
- H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Description
図1においてフレーム101は、10個のサブフレーム103からなり、それぞれのサブフレームは、一般的なデータ送受信のために使用される「一般的なサブフレーム105」と、放送のために使用される「MBSFN(Multimedia Broadcast multicast service Single Frequency Network、以下、MBSFNと称する)サブフレーム107」の形態が存在する。一般的なサブフレーム105とMBSFNサブフレーム107との差は、OFDM(Orthogonal Frequency Division Multiplexing、以下、OFDMと称する)シンボルの数、サイクリックプレフィックス(Cyclic prefix)の長さ、セルの特定基準信号(cell−specific reference signals、CRS)などの構造及び数にあり、Rel−8、Rel−9システムでMBSFNサブフレームは、ブロードキャスト或いはマルチキャストのデータを送信するなどの目的としてのみ使用されてきた。しかしながら、システムが進化してLTE Rel−10からは、MBSFNサブフレームがブロードキャスト或いはマルチキャストの目的だけでなく、特定の端末に対するデータ送信のユニキャストの目的でも使用が可能になった。
この場合、LTE Rel−10端末は、MBSFNサブフレームに対してもPDSCHを受信するためには、MBSFNサブフレームに対するリソース割当情報を含むPDCCHを確認する手続を経なければならない。ところが、LTE Rel−10端末がすべてのMBSFNサブフレームでPDCCHを確認しなければならない場合には、これは、MBSFNサブフレームが特定の端末に対するユニキャストのデータを送信するか、或いは、マルチキャスト/ブロードキャストのデータを送信するかに応じて、不要な動作であり得る。
103 サブフレーム
105 一般的なサブフレーム
107 MBSFNサブフレーム
301 送受信機
303 多重化および逆多重化装置
305 上位階層装置
307 制御メッセージ処理部
309 制御部
Claims (8)
- 無線移動通信システムにおける端末のサブフレームデコーディング方法において、
MBSFN(Multimedia Broadcast multicast service Single Frequency Network)サブフレーム設定情報を含むシステム情報を受信するステップと、
前記端末の伝送モードを指示する情報を含む専用メッセージを受信するステップと、
前記専用メッセージに基づいて、前記端末の伝送モードが第1伝送モードであるか、第2伝送モードであるか識別するステップと、
前記端末が前記第1伝送モードに設定されていると、MBSFNサブフレーム関連の第1サブフレーム及びnon−MBSFNサブフレーム関連の第2サブフレームで、前記端末のためのPDCCH(physical downlink control channel)を感知するステップと、
前記端末が前記第2伝送モードに設定されていると、前記MBSFNサブフレーム関連の第1サブフレームでPDCCHを感知せず、前記non−MBSFNサブフレーム関連の第2サブフレームでPDCCHを感知するステップと、を含む
ことを特徴とする方法。 - 前記専用メッセージは、無線リソース制御(Radio Resource Control、RRC)メッセージに含まれる
ことを特徴とする請求項1に記載の方法。 - 前記端末のためのPDCCHが前記MBSFNサブフレーム関連の第1サブフレームで発見されると、前記第1サブフレームでPDSCH(physical downlink shared channel)をデコーディングするステップをさらに含む
ことを特徴とする請求項1に記載の方法。 - 前記端末に前記第1伝送モードが設定されていると、前記端末は、MBSFNサブフレームでのPDSCH受信を支援する
ことを特徴とする請求項1に記載の方法。 - 無線移動通信システムにおけるサブフレームデコーディングのための端末において、
信号を送受信する送受信部と、
MBSFN(Multimedia Broadcast multicast service Single Frequency Network)サブフレーム設定情報を含むシステム情報を受信し、前記端末の伝送モードを指示する情報を含む専用メッセージを受信し、
前記専用メッセージに基づいて、前記端末の伝送モードが第1伝送モードであるか、第2伝送モードであるか識別し、
前記端末が前記第1伝送モードに設定されていると、MBSFNサブフレーム関連の第1サブフレーム及びnon−MBSFNサブフレーム関連の第2サブフレームで、前記端末のためのPDCCH(physical downlink control channel)を感知し、
前記端末が前記第2伝送モードに設定されていると、前記MBSFNサブフレーム関連の第1サブフレームでPDCCHを感知せず、前記non−MBSFNサブフレーム関連の第2サブフレームでPDCCHを感知するように制御する制御部と、を含む
ことを特徴とする端末。 - 前記専用メッセージは、無線リソース制御(Radio Resource Control、RRC)メッセージに含まれる
ことを特徴とする請求項5に記載の端末。 - 前記制御部は、
前記端末のためのPDCCHがMBSFNサブフレーム関連の第1サブフレームで発見されると、前記第1サブフレームでPDSCH(physical downlink shared channel)をデコーディングするように制御する
ことを特徴とする請求項5に記載の端末。 - 前記端末に前記第1伝送モードが設定されていると、前記端末は、MBSFNサブフレームでのPDSCH受信を支援する
ことを特徴とする請求項5に記載の端末。
Applications Claiming Priority (3)
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US41111510P | 2010-11-08 | 2010-11-08 | |
US61/411,115 | 2010-11-08 | ||
PCT/KR2011/008458 WO2012064078A2 (ko) | 2010-11-08 | 2011-11-08 | 무선통신 시스템에서 서로 다른 형태의 서브프레임을 수신하는 방법 및 장치 |
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JP2016152881A Division JP6306104B2 (ja) | 2010-11-08 | 2016-08-03 | 無線通信システムで互いに異なる形態のサブフレームを受信する方法及び装置 |
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JP2013543347A JP2013543347A (ja) | 2013-11-28 |
JP2013543347A5 JP2013543347A5 (ja) | 2015-02-19 |
JP5985491B2 true JP5985491B2 (ja) | 2016-09-06 |
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JP2016152881A Active JP6306104B2 (ja) | 2010-11-08 | 2016-08-03 | 無線通信システムで互いに異なる形態のサブフレームを受信する方法及び装置 |
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EP (2) | EP3723394B1 (ja) |
JP (3) | JP5985491B2 (ja) |
KR (2) | KR101944879B1 (ja) |
CN (1) | CN103201972B (ja) |
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