JP6479976B2 - 無線通信システムにおけるd2d信号送受信方法及びそのための装置 - Google Patents
無線通信システムにおけるd2d信号送受信方法及びそのための装置 Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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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
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Description
・UEの能力(capability)などの前もって定義された条件を満たす場合
SA又はD2Dデータが送信されるSA又はD2Dデータ周期(period)内のサブフレーム(the subframe is within the SA or D2D data period in which SA or data is transmitted)
・UEがRRC_Connected状態であり、eNBが(専用(dedicated)シグナリングによって)D2DSS送信開始を指示し、及び/又はUEがSA又はD2Dデータ周期内のサブフレーム上でSA又はD2Dデータを送信しない場合に前もって定義された他の条件が満たされ、及び/あるいは以下の条件が全て(又は一部)満たされる場合
−D2D通信関連D2DSS伝送のためのRSRP閾値が設定され、該当の閾値がSIBを介して設定された場合。ここで、一例として、閾値は{−∞、−115、・・・、−60(5単位で増加)、+∞}dBmのうちで一つの値として設定されることができる。
−eNBが(専用(dedicated)シグナリングによって)D2DSS送信中断を指示しなかった場合。
・UEが他のD2DSSのためのスキャニングを行わない場合、
・UEの能力(capability)などの前もって定義された条件を満たす場合
・UEがディスカバリープール内でディスカバリーメッセージを送信する場合(the UE transmits a discovery message in the discovery pool)、
・UEがRRC_Connected状態であり、eNBが(専用(dedicated)シグナリングによって)D2DSS送信開始を指示し、及び/又は以下の条件が全て(又は一部)満たされる場合
−D2Dディスカバリー関連D2DSS伝送のためのRSRP閾値が設定され、該当の閾値がSIBを介して設定された場合。ここで、一例として、閾値は{−∞、−115、・・・、−60(5単位で増加)、+∞}dBmのうちで一つの値として設定されることができる。
−eNBが(専用(dedicated)シグナリングによって)D2DSS送信中断を指示しなかった場合。
−オプション1−1:「D2DSS transmission timer」を定義することができる。仮に、UEが「SA又はD2Dデータが送信されるSA又はD2Dデータ周期(period)内のサブフレーム(the subframe is within the SA or D2D data period in which SA or data is transmitted)」という条件によってサブフレーム#nでD2DSSを送信する場合、該当のUEは送信すべきSA/データがない場合であってもサブフレーム#n+40、#n+80、・・・、#n+K*40でD2DSSを続けて(又は連続して)伝送することができる。ここで、Kは「D2DSS transmission timer」に対応する。
−SA又はD2Dデータを送信するUEは、D2DSSリソース内の以下の(一部又は全ての)条件を満たす各サブフレーム上でD2DSSを送信する。
・D2DSS支援(capable)UE
・SA又はD2Dデータが送信されるSA又はD2Dデータ周期(period)内のサブフレーム(the subframe is within the SA or D2D data period in which SA or data is transmitted)、又は(/及び)UEがSAを送信する意図(intend)があるサブフレームからXms以内のサブフレーム、又は(/及び)「condition for continuing D2DSS transmission」を満たすサブフレーム
・UEがRRC_Connected状態であり、eNBが(専用(dedicated)シグナリングによって)D2DSS送信開始を指示するか、又は(/及び)以下の条件が全て(又は一部)満たされる場合
−D2D通信関連D2DSS伝送のためのRSRP閾値が設定され、該当の閾値がSIBを介して設定された場合。ここで、一例として、閾値は{−∞、−115、・・・、−60(5単位で増加)、+∞}dBmのうちで一つの値として設定できる。
−eNBが(専用(dedicated)シグナリングによって)D2DSS送信中断を指示しなかった場合。
・D2DSS支援(capable)UE
・UEがディスカバリープール内でディスカバリーメッセージを送信する意図(intend)がある場合
・UEがRRC_Connected状態であり、eNBが(専用(dedicated)シグナリングによって)D2DSS送信開始を指示し、及び/又は以下の条件が全て(又は一部)満たされる場合
−D2Dディスカバリー関連D2DSS伝送のためのRSRP閾値が設定され、該当の閾値がSIBを介して設定された場合。ここで、一例として、閾値は{−∞、−115、・・・、−60(5単位で増加)、+∞}dBmのうちで一つの値として設定できる。
−eNBが(専用(dedicated)シグナリングによって)D2DSS送信中断を指示しなかった場合。
1)D2DSSと同期化されたUEは共通タイミング(common timing)を共有する同期化クラスターを作るために同じD2DSSを送信する。
−UEが独立的な同期化ソース(synchronization source)(すなわち、ISS)の場合、D2DSS送信のために自分が選択したD2DSSリソース上のそれぞれのサブフレームが、仮に、i)SA又はD2Dデータが送信されるSA又はD2Dデータ周期内のサブフレームである場合、ii)UEがSAを送信する意図(intend)があるサブフレームからXms以内のサブフレームの場合、又は(/及び)iii)「condition for continuing D2DSS transmission」を満たすサブフレームの場合には該当のサブフレーム上でD2DSSを送信しなければならない。
Claims (4)
- 無線通信システムにおいて第1端末(UE)により実行されるD2D同期化信号(D2DSS)を送信するための方法であって、
前記第1端末が基地局(eNB)のカバレージ外にあるかどうか、及びPSBCH DMRS測定値が閾値未満であるかどうかを検査するステップと、
前記第1端末が前記基地局のカバレージ外にあり、及び前記PSBCH DMRS測定値が前記閾値未満である場合、第2端末に前記D2D同期化信号を送信するステップと、を含み、
前記D2D同期化信号は、D2Dデータチャネルの送信に対するスケジューリング割り当て信号を送信するために、スケジューリング割り当て区間以前に送信される、D2D同期化信号送信方法。 - 前記第1端末が前記基地局のカバレージ内にあるかどうか、及び前記基地局がD2D同期化信号送信をシグナリングするかどうかを検査するステップと、
前記第1端末が前記基地局のカバレージ内にあり、及び前記基地局がD2D同期化信号送信をシグナリングする場合、前記第2端末に前記D2D同期化信号を送信するステップと、
を更に含む、請求項1に記載のD2D同期化信号送信方法。 - 前記D2D同期化信号は、前記スケジューリング割り当て区間以前に所定の範囲内で送信される、請求項1に記載のD2D同期化信号送信方法。
- 無線通信システムにおいてD2D同期化信号(D2DSS)を送信するための第1端末(UE)であって、
無線周波数送受信機と、
プロセッサと、を含み、
前記プロセッサは、
前記第1端末が基地局(eNB)のカバレージ外にあるかどうか、及びPSBCH DMRS測定値が閾値未満であるかどうかを検査し、
前記第1端末が前記基地局のカバレージ外にあり、及び前記PSBCH DMRS測定値が前記閾値未満である場合、第2端末に前記D2D同期化信号を送信するよう前記無線周波数送受信機を制御するように構成され、
前記D2D同期化信号は、D2Dデータチャネルの送信に対するスケジューリング割り当て信号を送信するために、スケジューリング割り当て区間以前に送信される、第1端末。
Applications Claiming Priority (19)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462066890P | 2014-10-21 | 2014-10-21 | |
| US62/066,890 | 2014-10-21 | ||
| US201462076468P | 2014-11-06 | 2014-11-06 | |
| US62/076,468 | 2014-11-06 | ||
| US201462077888P | 2014-11-10 | 2014-11-10 | |
| US62/077,888 | 2014-11-10 | ||
| US201462080253P | 2014-11-14 | 2014-11-14 | |
| US62/080,253 | 2014-11-14 | ||
| US201462086175P | 2014-12-01 | 2014-12-01 | |
| US62/086,175 | 2014-12-01 | ||
| US201562146177P | 2015-04-10 | 2015-04-10 | |
| US62/146.177 | 2015-04-10 | ||
| US201562150869P | 2015-04-22 | 2015-04-22 | |
| US62/150,869 | 2015-04-22 | ||
| US201562154738P | 2015-04-30 | 2015-04-30 | |
| US62/154,738 | 2015-04-30 | ||
| US201562161853P | 2015-05-14 | 2015-05-14 | |
| US62/161,853 | 2015-05-14 | ||
| PCT/KR2015/011158 WO2016064195A2 (ko) | 2014-10-21 | 2015-10-21 | 무선 통신 시스템에서 d2d 신호 송수신 방법 및 이를 위한 장치 |
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| JP2017538322A JP2017538322A (ja) | 2017-12-21 |
| JP6479976B2 true JP6479976B2 (ja) | 2019-03-06 |
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| JP2017522004A Active JP6549226B2 (ja) | 2014-10-21 | 2015-10-21 | 無線通信システムにおけるd2d信号送受信方法及びそのための装置 |
| JP2017521581A Active JP6479976B2 (ja) | 2014-10-21 | 2015-10-21 | 無線通信システムにおけるd2d信号送受信方法及びそのための装置 |
| JP2020131651A Active JP7225169B2 (ja) | 2014-10-21 | 2020-08-03 | 無線通信システムにおけるd2d信号送受信方法及びそのための装置 |
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| EP (3) | EP3211816B1 (ja) |
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| KR (1) | KR102426407B1 (ja) |
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