JP5697753B2 - Tdm装置内共存干渉回避の方法及び装置 - Google Patents
Tdm装置内共存干渉回避の方法及び装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 23
- 238000004891 communication Methods 0.000 claims description 11
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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
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
- H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
- H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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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
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Coexistence Efficiency (CE) = (eNBがLTE TX/RXのリソースを承諾できる期間)/ (観察時間)
Probability to Collide (PC) = [(“ISMトランシーバがRX/TXできる”または“GNSSレシーバがRXできる”時)、eNBがLTE TX/RXのリソースを承諾する期間+ 拡張因子] / (観察時間)
PC_REQ = PCの所定のスレショルド値を示す
- Ttarget:ターゲットシステム中で伝送される信号の周期性
- ttransmit(m): 第m回伝送の伝送時間
- TonDuration: eNBにより配置されるonDurationTimer
- TlongDRX-Cycle: eNBにより配置される長いDRX周期
- tDRX Inactivity (n): 第n個のDRXサイクル中、DRXInactivityタイマーにより延長されるonDurationTimer
- Toffset:第一個のDRXサイクル開始点とターゲットシステム中の入力信号間の時間オフセット
Claims (17)
- 無線通信装置において、第一無線モジュールにより、前記第一無線モジュールと共同設置される第二無線モジュールのトラフィックまたはスケジューリング情報を得る工程と、
前記トラフィックまたはスケジューリング情報に基づいて、前記第一無線モジュールの望ましい時分割多重化パターン(以下、TDMパターンと称す)を決定して、前記第二無線モジュールとの装置内共存(IDC)干渉を軽減する工程と、
前記望ましいTDMパターンに基づいて、共存パターン情報を基地局に伝送する工程と、
を含み、
前記共存パターン情報は、一組の推奨される不連続受信 (以下、DRXと称す)設定パラメータ、及び、DRXサイクル開始点と前記第二無線モジュールの入力信号との間の時間オフセットを含む
ことを特徴とする方法。 - 前記共存パターン情報は、推奨されるTDMパターン周期性およびスケジューリング期間を含むことを特徴する請求項1に記載の方法。
- 長いDRX周期は128ms または 64msであり、
前記第二無線モジュールは、102.4ms または 102.4msの複数倍のWiFiビーコン信号周期性を有するWiFi無線モジュールである
ことを特徴する請求項1に記載の方法。 - onDurationTimerは十分に小さく、前記第一および前記第二無線モジュール間の衝突確率がスレショルド値より低いことを特徴する請求項1に記載の方法。
- IDC干渉インジケータを前記基地局に伝送し、各DRXサイクル中のON期間のフレキシブル拡張が制限されて、前記第一および前記第二無線モジュール間の衝突確率を減少させる工程をさらに含むことを特徴する請求項1に記載の方法。
- IDC干渉測定結果に基づいて、IDC干渉軽減メカニズムをトリガーし、前記IDC干渉軽減メカニズムがトリガーされる時、前記共存パターン情報が前記基地局に伝送される工程をさらに含むことを特徴する請求項1に記載の方法。
- 無線通信装置であって、
第一無線モジュールと共同設置される第二無線モジュールのトラフィックまたはスケジューリング情報を得る第一無線モジュールと、
前記トラフィックまたはスケジューリング情報に基づいて、前記第一無線モジュールの望ましい時分割多重化パターン(以下、TDMパターンと称す)を決定し、前記第二無線モジュールとの装置内共存(IDC)干渉を軽減する制御エンティティと、
前記望ましいTDMパターンに基づいて、共存パターン情報を基地局に伝送するトランスミッタと、を含み、
前記共存パターン情報は、一組の推奨される不連続受信 (以下、DRXと称す)設定パラメータ、及び、DRXサイクル開始点と前記第二無線モジュールの入力信号との間の時間オフセットを含む
ことを特徴とする装置。 - 前記共存パターン情報は、推奨されるTDMパターン周期性およびスケジューリング期間を含むことを特徴する請求項7に記載の装置。
- 長いDRX周期は128ms または 64msであり、
前記第二無線モジュールは、102.4ms または102.4msの複数倍のWiFiビーコン信号周期性を有するWiFi無線モジュールである
ことを特徴する請求項7に記載の装置。 - onDurationTimerが十分に小さく、前記第一および前記第二無線モジュール間の衝突確率がスレショルド値より小さいことを特徴する請求項7に記載の装置。
- 前記装置はIDC干渉インジケータを前記基地局に伝送して、各DRXサイクル中のON期間のフレキシブル拡張が制限されて、前記第一および前記第二無線モジュール間の衝突確率を減少させることを特徴する請求項7に記載の装置。
- 前記装置は、IDC干渉測定結果に基づいて、IDC干渉軽減メカニズムをトリガーし、前記IDC干渉軽減メカニズムがトリガーされる時、前記共存パターン情報が前記基地局に伝送されることを特徴する請求項7に記載の装置。
- ロングタームエボリューション (LTE)3GPP無線システムにおいて、第二無線モジュールと同じデバイスプラットフォームに共同設置されている第一LTE無線モジュールから、時分割多重化 (以下、TDMと称す)共存パターン情報を受信し、
前記TDM共存パターン情報に基づいて、前記第一無線モジュールの一組の不連続受信 (DRX)設定パラメータを決定し、前記第一LTE無線モジュールおよび前記第二無線モジュール間の装置内共存(IDC)干渉を軽減し、
前記TDM共存パターン情報は、一組の推奨される不連続受信 (以下、DRXと称す)設定パラメータ、及び、DRXサイクル開始点と前記第二無線モジュールの入力信号との間の時間オフセットを含む
ことを特徴とする方法。 - 前記TDM共存パターン情報は、推奨されるTDMパターン周期性およびスケジューリング期間を含むことを特徴する請求項13に記載の方法。
- 長いDRX周期が 128ms または 64msになるように配置され、
前記第二無線モジュールは、102.4ms または102.4msの複数倍のWiFiビーコン信号周期性を有するWiFi無線モジュールである
ことを特徴する請求項13に記載の方法。 - onDurationTimerが十分に小さくなるように配置されて、前記第一および前記第二無線モジュール間の衝突確率がスレショルド値より低いことを特徴する請求項13に記載の方法。
- IDC干渉指示を受信する工程と、
各DRXサイクル中のON期間のフレキシブル拡張を制限して、前記第一および前記第二無線モジュール間の衝突確率を減少させる工程と、
を含むことを特徴する請求項13に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38868710P | 2010-10-01 | 2010-10-01 | |
US61/388,687 | 2010-10-01 | ||
US13/200,775 | 2011-09-29 | ||
US13/200,775 US8780880B2 (en) | 2010-10-01 | 2011-09-29 | Method of TDM in-device coexistence interference avoidance |
PCT/CN2011/080479 WO2012041255A1 (en) | 2010-10-01 | 2011-09-30 | Method of tdm in-device coexistence interference avoidance |
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JP2013543686A JP2013543686A (ja) | 2013-12-05 |
JP5697753B2 true JP5697753B2 (ja) | 2015-04-08 |
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JP2013530554A Active JP5697753B2 (ja) | 2010-10-01 | 2011-09-30 | Tdm装置内共存干渉回避の方法及び装置 |
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US (2) | US8780880B2 (ja) |
EP (1) | EP2494809B1 (ja) |
JP (1) | JP5697753B2 (ja) |
CN (2) | CN102687548B (ja) |
ES (1) | ES2688666T3 (ja) |
TW (1) | TWI459735B (ja) |
WO (1) | WO2012041255A1 (ja) |
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