JP2012507247A - 無線通信デバイスにおける無線リンク同期 - Google Patents
無線通信デバイスにおける無線リンク同期 Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 16
- 238000013507 mapping Methods 0.000 claims abstract description 23
- 238000011156 evaluation Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 14
- 230000006870 function Effects 0.000 description 17
- 238000012545 processing Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 15
- 230000001360 synchronised effect Effects 0.000 description 12
- 230000015654 memory Effects 0.000 description 11
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000012937 correction Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
(関連出願の相互参照)
本出願は、2008年11月7日出願の同時係属米国出願第61/112,482号に関連するものであり、その内容は本願明細書中に参照により組み込まれ、35U.S.C.119条のもとで恩典が請求される。
Claims (13)
- 無線通信端末であって、
トランシーバと、
前記トランシーバに接続された制御装置と
を備え、
前記制御装置は、仮想制御コードワードに対応するデコーダ誤り率へのチャネル状態情報のマッピングに基づいて同期を決定するように構成されており、
前記制御装置は、受信された信号内の制御コードワードを復号しようと試みるように構成されており、
前記制御装置は、前記制御コードワードの復号に成功した場合には、前記マッピングの表示に関係なく、非同期イベントが発生していないと判断するように構成されている、無線通信端末。 - 前記制御装置は、前記制御コードワードの復号に成功した場合には、前記マッピングの表示に関係なく、同期中イベントが発生したと判断するように構成されている、請求項1に記載の端末。
- 前記制御装置は、前記端末に宛てられた少なくとも1つの制御コードワードの復号に成功しなかった場合には、同期中イベントが発生しなかったと判断するように構成されている、請求項1に記載の方法。
- 無線通信端末であって、
トランシーバと、
前記トランシーバに接続されている制御装置と
を備え、
前記制御装置は、仮想制御コードワードについてブロック誤り率を推定するように構成されており、
前記制御装置は、前記端末が第1動作モードにある場合に、推定されたブロック誤り率に基づいて第1フィルタ出力を使用して無線リンク同期を決定するように構成されており、
前記制御装置は、前記端末が第2動作モードにある場合に、推定されたブロック誤り率に基づいて第2フィルタ出力を使用して無線リンク同期を決定するように構成されており、
前記制御装置は、前記第1動作モードから前記第2動作モードへ移行すると、前記第2モードへの移行の開始後、第2フィルタの第2評価期間と等しい時間が経過した時から前記第2動作モードで動作する間に、前記第2フィルタ出力を使用して無線リンク同期を決定するように構成されている、無線通信端末。 - 前記第1動作モードは間欠受信モードであり、前記第2動作モードは非間欠受信モードである、請求項4に記載の端末。
- 前記制御装置は、前記非間欠受信モードへの移行の開始から前記第2フィルタの第2評価期間と等しい時間が経過するまで、前記第1フィルタ出力を使用して無線リンク同期を決定するように構成されている、請求項5に記載の端末。
- 第1動作モードは第1間欠受信モードであり、第2モードは第2間欠受信モードであり、前記第1間欠受信モードの周期性は前記第2間欠受信モードの周期性とは異なっている、請求項3に記載の端末。
- 前記制御装置は、前記第2間欠受信モードへの移行の開始から第2フィルタの第2評価期間と等しい時間が経過するまで、第1フィルタ出力を使用して、無線リンク同期を決定するように構成されている、請求項7に記載の端末。
- 前記第1動作モードは第1間欠受信モードであり、前記第2動作モードは第2間欠受信モードであり、前記第1間欠受信モードの周期性は前記第2間欠受信モードの周期性とは異なっている、請求項4に記載の方法。
- 前記第2間欠受信モードへの移行開始から前記第2フィルタの第2評価期間と等しい時間が経過するまで、前記第1フィルタ出力を使用して無線リンク同期を決定する、請求項9に記載の方法。
- 無線通信端末における方法であって、
仮想制御コードワードについてブロック誤り率を推定すること、
前記端末が第1動作モードにある時に、推定されたブロック誤り率に基づき第1フィルタ出力を使用して無線リンク同期を決定すること、
前記端末が第2動作モードにある時に、推定されたブロック誤り率に基づき第2フィルタ出力を使用して無線リンク同期を決定すること、
前記第1動作モードから前記第2動作モードへ移行すること、
前記第2モードへの移行の開始後、前記第2フィルタの第2評価期間と等しい時間が経過した時から、前記第2動作モードで動作する間に、前記第2フィルタを使用して無線リンク同期を決定すること
を含む方法。 - 前記第1動作モードは間欠受信モードであり、前記第2動作モードは非間欠受信モードである、請求項11に記載の方法。
- 前記非間欠受信モードへの移行の開始から前記第2フィルタの第2評価期間と等しい時間が経過するまで、前記第1フィルタ出力を使用して無線リンク同期を決定する、請求項12に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11248208P | 2008-11-07 | 2008-11-07 | |
US61/112,482 | 2008-11-07 | ||
US12/605,443 | 2009-10-26 | ||
US12/605,443 US8457112B2 (en) | 2008-11-07 | 2009-10-26 | Radio link performance prediction in wireless communication terminal |
PCT/US2009/062412 WO2010053793A2 (en) | 2008-11-07 | 2009-10-28 | Radio link synchronization in a wireless communication device |
Publications (2)
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JP2012507247A true JP2012507247A (ja) | 2012-03-22 |
JP5369305B2 JP5369305B2 (ja) | 2013-12-18 |
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JP2011534723A Active JP5369305B2 (ja) | 2008-11-07 | 2009-10-28 | 無線通信デバイスにおける無線リンク同期 |
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US (2) | US8457112B2 (ja) |
EP (1) | EP2359661B1 (ja) |
JP (1) | JP5369305B2 (ja) |
KR (2) | KR101291945B1 (ja) |
CN (2) | CN102210188B (ja) |
AR (1) | AR079179A1 (ja) |
TW (3) | TWI548295B (ja) |
WO (1) | WO2010053793A2 (ja) |
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KR20130026536A (ko) | 2013-03-13 |
TWI612832B (zh) | 2018-01-21 |
TW201032641A (en) | 2010-09-01 |
US20130242975A1 (en) | 2013-09-19 |
KR101291945B1 (ko) | 2013-08-07 |
KR20110083715A (ko) | 2011-07-20 |
EP2359661B1 (en) | 2017-10-25 |
CN103533631A (zh) | 2014-01-22 |
CN102210188B (zh) | 2014-06-25 |
AR079179A1 (es) | 2012-01-04 |
US9654985B2 (en) | 2017-05-16 |
WO2010053793A2 (en) | 2010-05-14 |
JP5369305B2 (ja) | 2013-12-18 |
EP2359661A2 (en) | 2011-08-24 |
TW201448642A (zh) | 2014-12-16 |
TWI459840B (zh) | 2014-11-01 |
CN103533631B (zh) | 2017-01-18 |
TWI548295B (zh) | 2016-09-01 |
TW201637492A (zh) | 2016-10-16 |
CN102210188A (zh) | 2011-10-05 |
WO2010053793A3 (en) | 2010-07-15 |
US8457112B2 (en) | 2013-06-04 |
KR101485718B1 (ko) | 2015-01-22 |
US20100118856A1 (en) | 2010-05-13 |
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