JP5815571B2 - 無線システムのコーディネータ装置、ソース装置及びリレイ装置の通信方法及びフレーム構造 - Google Patents
無線システムのコーディネータ装置、ソース装置及びリレイ装置の通信方法及びフレーム構造 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15557—Selecting relay station operation mode, e.g. between amplify and forward mode, decode and forward mode or FDD - and TDD mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
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- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- 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
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15592—Adapting at the relay station communication parameters for supporting cooperative relaying, i.e. transmission of the same data via direct - and relayed path
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
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- H04W84/12—WLAN [Wireless Local Area Networks]
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Description
●データフレーム、制御フレーム、管理フレーム(リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームを除いた管理フレーム)の場合
−Detour link((2)、(3)):Address1=Destination STA Address、Address2=Source STA Address、Address3=BSSID
●リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレーム(例えば、RLS request/response、Link Margin request/responseなどが該当)の場合
−HD DFスキームと同一
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
第2に、リレイ装置の中継スキームがハーフデュプレックスデコード・アンド・フォワード(Half Duplex Decode and Forward;HD DF)スキームの場合、全てのフレーム(データフレーム、制御フレーム及び管理フレームなど)は下記のように各リンクの送信する装置、受信する装置のアドレスをそれぞれAddress1、Address2に記載する。
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
第3に、リレイ装置を経由してフレームを送信する通信スキームが協力通信である場合である。
●データフレーム、制御フレーム、管理フレーム(リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームを除いた管理フレーム)の場合
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Source STA Address、Address3=BSSID
この場合、データ、制御及び一部を除いた管理フレームは、HD DF中継スキームにもかかわらず、リレイ−デスティネーションリンクでリレイ装置のアドレスに代わってソース装置のアドレスをAddress1に記録する。ここで、ソース装置のアドレスをAddress1に記録する理由は、ソース−リレイリンクはHD DF中継スキームと同一であるが、デスティネーション装置でチェース結合(chase combining)を行うためである。
−HD DFスキームと同一
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
ここで、協力通信から除外されたリンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームとして、RLS request/response、Link Margin request/responseフレームなどが挙げられる。
●データ、制御及び管理フレーム(リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームを除いた管理フレーム)の場合
−Detour link((2)、(3)):Address1=Destination STA Address、Address2=Source STA Address、Address3=BSSID
●前記フレームに対する応答フレームの場合
−Detour link((2)応答):Address1=Source STA Address、Address2=Relay STA Address、Address3=BSSID
−Detour link((3)応答):Address1=Relay STA Address、Address2=Destination STA Address、Address3=BSSID
●リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームの場合
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
協力通信の場合
●データ、制御及び管理フレーム(リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームを除いた管理フレーム)の場合
−Detour link((2)、(3)):Address1=Destination STA Address、Address2=Source STA Address、Address3=BSSID
●前記フレームに対する応答フレームの場合
−Detour link((2)応答、(3)応答)Address1=Source STA Address、Address2=Destination STA Address、Address3=BSSID
●リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレーム(RLS request/response、Link Margin request/response)の場合
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
Full Duplex AF中継の場合
● data、control、managementフレーム(リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレームを除いたフレーム)
−Detour link((2)、(3)):Address1=Destination STA Address、Address2=Source STA Address、Address3=BSSID
●リンク情報リクエストフレームまたはリレイ動作設定/変更リクエストフレーム(RLS request/response、Link Margin request/response)
−HD DFスキームと同一
−Detour link((2)):Address1=Relay STA Address、Address2=Source STA Address、Address3=BSSID
−Detour link((3)):Address1=Destination STA Address、Address2=Relay STA Address、Address3=BSSID
以下、図9〜図11を参照して中継のために用いる予約リソースを割り当てる方法について説明する。
220 A−BFT(Association Beam Forming Training)
230 AT(Announce Time)
240 DTT(Data Transfer Time)
Claims (2)
- 予約基盤の媒体アクセス制御を用いる無線システムのコーディネータ装置の通信方法において、
ソース装置がデスティネーション装置に送信するフレームがリレイ装置を経由して中継されるようにするために、前記ソース装置から前記リレイ装置のための予約リソースをリクエストするフレームを受信するステップと、
サービス区間のために拡張されたスケジュール構成要素(Extended Schedule Element)をリレイ装置に送信するステップと、
前記リクエストに応じて前記リレイ装置のための予約リソースを割り当てるステップと、
を含み、
前記拡張されたスケジュール構成要素は、
ソース装置に対応するソースAIDとデスティネーション装置に対応するデスティネーションAIDとに区分される割り当てフィールドを含み、ビーコンフレームまたはアナウンスメントフレームを用いて送信され、
前記リレイ装置は、拡張されたスケジュール構成要素に含まれるソースAIDに対応するソース装置からフレームを受信し、フルデュプレックスアンプリファイ・アンド・フォワード(Full Duplex Amplify and Forward:FD AF)スキームまたはハーフデュプレックスデコード・アンド・フォワード(Half Duplex Decode and Forwardと、HD DF)スキームを用いて拡張されたスケジュール構成要素に含まれるデスティネーションAIDに対応するデスティネーション装置にフレームを中継する装置を含むことを特徴とするコーディネータ装置の通信方法。 - ビーコンフレームまたはアナウンスメントフレームを用いてコーディネータ装置から割り当てられた予約リソースに関する情報を受信するステップと、
前記予約リソースに関する情報に含まれたソース装置に対応するソースAIDとデスティネーション装置に対応するデスティネーションAIDとに区分される割り当てフィールドからソース装置のAID及びデスティネーション装置のAIDを確認するステップと、
前記確認結果に応じてフルデュプレックスアンプリファイ・アンド・フォワード(Full Duplex Amplify and Forward:FD AF)スキームまたはハーフデュプレックスデコード・アンド・フォワード(Half Duplex Decode and Forwardと、HD DF)スキームに基づいて前記予約リソースを用いて前記ソース装置のAIDに対応するソース装置が送信するフレームを前記デスティネーション装置のAIDに対応するデスティネーション装置に中継するステップと、を含み、
前記割り当てられた予約リソースに関する情報は、前記ソース装置から前記コーディネータ装置に送信された前記リレイ装置のための予約リソースをリクエストするフレームに基づくことを特徴とするリレイ装置の通信方法。
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KR10-2010-0021942 | 2010-03-11 | ||
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PCT/KR2011/001745 WO2011112056A2 (ko) | 2010-03-11 | 2011-03-11 | 무선 시스템의 조정자 장치, 소스 장치 및 릴레이 장치의 통신 방법 및 프레임 구조 |
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JP2015095078A Active JP6087387B2 (ja) | 2010-03-11 | 2015-05-07 | 無線システムのコーディネータ装置、ソース装置及びリレイ装置の通信方法及びフレーム構造 |
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EP (2) | EP2547008B1 (ja) |
JP (2) | JP5815571B2 (ja) |
KR (5) | KR101755013B1 (ja) |
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EP2547008A2 (en) | 2013-01-16 |
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EP2547008A4 (en) | 2016-08-24 |
KR101993876B1 (ko) | 2019-06-28 |
US10764790B2 (en) | 2020-09-01 |
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