JP2013512613A - マルチユーザベースの無線通信システムにおける送信失敗フレームの修復方法 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1848—Time-out mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/186—Processing of subscriber group data
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Abstract
【解決手段】本発明は、複数の無線端末にグループ制御情報を含む応答が要求されるフレームを送信した後、特定無線端末から正常に応答フレームが受信されない場合、グループを構成する前記複数の無線端末の全てから前記応答フレームを受信するための時間が満了された後、前記応答フレームの受信に失敗した無線端末を受信先にする要求フレームを送信する。他の実施例で、本発明は、特定無線端末から正常に前記応答フレームが受信されない場合、前記応答フレームの送信順序によって前記応答フレームの受信に失敗した無線端末から最後の順番の無線端末までを受信先にする要求フレームを送信する。
Description
Claims (15)
- マルチユーザ多重アンテナ技術を用いる無線通信システムで、複数の無線端末から応答フレームを正常に受信することができない場合、送信失敗された応答フレームを修復するための方法において、
(a)前記複数の無線端末を受信先として指定するためのグループ制御情報を含む応答が要求されるフレームを送信する段階;
(b)前記複数の無線端末から前記応答が要求されるフレームに対する第1の応答フレームを順次受信する段階;
(c)前記(b)段階で、特定無線端末から正常に前記第1の応答フレームが受信されない場合、グループを構成する前記複数の無線端末の全てから前記第1の応答フレームを受信するための時間が満了された後、前記第1の応答フレームの受信に失敗した無線端末を受信先にする要求フレームを送信する段階;及び、
(d)前記(c)段階の要求フレームに対する第2の応答フレームを受信する段階;
を含む送信失敗フレームの修復方法。 - 前記グループ制御情報は、各グループ別に固有に付与されるグループシーケンス番号、グループを構成する無線端末の受信可否を示すビットマップ情報、及び多重アンテナと関連するストリーム情報のうち少なくともいずれか一つを含む請求項1に記載の送信失敗フレームの修復方法。
- 前記(c)段階での前記要求フレームは、前記グループシーケンス番号、及び前記第1の応答フレームの受信に失敗した無線端末の受信状態を示すビットが設定されたビットマップ情報を含む請求項2に記載の送信失敗フレームの修復方法。
- 前記グループ制御情報は、前記応答が要求されるフレーム又は前記要求フレームの受信端末住所フィールドに記入されることを特徴とする請求項2に記載の送信失敗フレームの修復方法。
- 前記(c)段階での前記要求フレームは、前記第1の応答フレームの受信に失敗した無線端末の住所が受信端末住所フィールドに記入されることを特徴とする請求項2に記載の送信失敗フレームの修復方法。
- 前記要求フレームは、ブロックACK要求(BAR)フレームであり、前記第2の応答フレームは、ブロックACK(BA)フレームであることを特徴とする請求項2に記載の送信失敗フレームの修復方法。
- 前記ブロックACK要求フレームは、グループ情報及び受信端末情報を含む請求項6に記載の送信失敗フレームの修復方法。
- 前記グループ情報は、前記ブロックACK要求フレームの受信端末住所フィールドに記入され、前記受信端末情報は、前記ブロックACK要求フレームのBAR情報フィールドに記入される請求項7に記載の送信失敗フレームの修復方法。
- マルチユーザ多重アンテナ技術を用いる無線通信システムで、複数の無線端末から応答フレームを正常に受信することができない場合、送信失敗された応答フレームを修復するための方法において、
(a)前記複数の無線端末を受信先として指定するためのグループ制御情報を含む応答が要求されるフレームを送信する段階;
(b)前記複数の無線端末から前記応答が要求されるフレームに対する第1の応答フレームを順次受信する段階;
(c)前記(b)段階で、特定無線端末から正常に前記第1の応答フレームが受信されない場合、前記第1の応答フレームの送信順序によって前記第1の応答フレームの受信に失敗した無線端末から最後の順番の無線端末までを受信先にする要求フレームを送信する段階;及び、
(d)前記(c)段階の要求フレームに対する一つ以上の第2の応答フレームを受信する段階;
を含む送信失敗フレームの修復方法。 - 前記グループ制御情報は、各グループ別に固有に付与されるグループシーケンス番号、グループを構成する無線端末の受信可否を示すビットマップ情報、及び多重アンテナと関連するストリーム情報のうち少なくともいずれか一つを含む請求項9に記載の送信失敗フレームの修復方法。
- 前記(c)段階での前記要求フレームは、前記グループシーケンス番号、及び前記第1の応答フレームの受信に失敗した無線端末から最後の順番の無線端末まで受信状態を示すビットが設定されたビットマップ情報を含む請求項10に記載の送信失敗フレームの修復方法。
- 前記グループ制御情報は、前記応答が要求されるフレーム又は前記要求フレームの受信端末住所フィールドに記入されることを特徴とする請求項10に記載の送信失敗フレームの修復方法。
- 前記要求フレームは、ブロックACK要求(BAR)フレームであり、前記第2の応答フレームは、ブロックACK(BA)フレームであることを特徴とする請求項10に記載の送信失敗フレームの修復方法。
- 前記ブロックACK要求フレームは、グループ情報及び受信端末情報を含む請求項13に記載の送信失敗フレームの修復方法。
- 前記グループ情報は、前記ブロックACK要求フレームの受信端末住所フィールドに記入され、前記受信端末情報は、前記ブロックACK要求フレームのBAR情報フィールドに記入される請求項14に記載の送信失敗フレームの修復方法。
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KR10-2009-0113869 | 2009-11-24 | ||
KR20090113869 | 2009-11-24 | ||
KR10-2010-0023423 | 2010-03-16 | ||
KR20100023423 | 2010-03-16 | ||
KR20100046119 | 2010-05-17 | ||
KR10-2010-0046119 | 2010-05-17 | ||
PCT/KR2010/008355 WO2011065746A2 (ko) | 2009-11-24 | 2010-11-24 | 다중 사용자 기반 무선통신 시스템에서 전송 실패 프레임의 복구 방법 |
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JP2013512613A true JP2013512613A (ja) | 2013-04-11 |
JP5645953B2 JP5645953B2 (ja) | 2014-12-24 |
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US (4) | US8582489B2 (ja) |
EP (1) | EP2506451B1 (ja) |
JP (1) | JP5645953B2 (ja) |
KR (4) | KR101282362B1 (ja) |
CN (2) | CN102771060B (ja) |
DE (1) | DE112010004554T5 (ja) |
WO (1) | WO2011065746A2 (ja) |
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EP2506451A2 (en) | 2012-10-03 |
KR101877761B1 (ko) | 2018-08-07 |
KR20170115007A (ko) | 2017-10-16 |
KR101282362B1 (ko) | 2013-07-04 |
CN102771060B (zh) | 2016-05-18 |
CN105743556B (zh) | 2019-03-22 |
EP2506451B1 (en) | 2016-05-04 |
US20190165839A1 (en) | 2019-05-30 |
US8582489B2 (en) | 2013-11-12 |
CN102771060A (zh) | 2012-11-07 |
WO2011065746A2 (ko) | 2011-06-03 |
JP5645953B2 (ja) | 2014-12-24 |
US20140036757A1 (en) | 2014-02-06 |
KR20130014467A (ko) | 2013-02-07 |
EP2506451A4 (en) | 2013-06-05 |
US11362705B2 (en) | 2022-06-14 |
US20220311483A1 (en) | 2022-09-29 |
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