JP5710641B2 - 効率的なアップリンクsdmaオペレーション - Google Patents
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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 signaling, 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
- 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
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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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
- 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
- H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
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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
- H04L1/1854—Scheduling and prioritising arrangements
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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 signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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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
-
- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
- H04W74/06—Scheduled access using polling
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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Description
アクセスポイント(AP):ステーション(STA)機能を有し、かつワイヤレスメディア(WM)を介して関連づけられたSTAに対して、配信サービスへのアクセスを提供するあらゆるエンティティ。
Claims (18)
- コンピュータが実行する方法であって:
第1のグループに属する複数のワイヤレスデバイスの各々に付与された送信権を含むポーリングフレームを第1のワイヤレスデバイスにおいて受信するステップであって、前記第1のグループは前記第1のワイヤレスデバイスを含む、ステップと;
前記第1のワイヤレスデバイスによって、第1の肯定応答フレームを、前記送信権に基づいて決定された期間の間に、送信するステップであって、前記第1のグループに属する前記複数のワイヤレスデバイスの各々に対して送信のために同じ期間が割り当てられる、ステップと;
第2のグループに属する複数のワイヤレスデバイスの各々に付与された他の送信権を含む他のポーリングフレームを第2のワイヤレスデバイスにおいて受信するステップであって、前記第2のグループは前記第2のワイヤレスデバイスを含み、前記他の送信権は、前記第2のグループに属する前記複数のワイヤレスデバイスの各々に対して送信のために割り当てられた他の同じ期間を定義する、ステップと;
を有し、
前記第1のグループに属する前記ワイヤレスデバイスに割り当てられた前記期間は、前記第2のグループに属する前記ワイヤレスデバイスに割り当てられた前記他の期間とは異なる、コンピュータが実行する方法。 - 前記第1の肯定応答フレームの送信のタイミングは、前記第1の肯定応答フレームの長さに基づき決定される、
請求項1記載のコンピュータが実行する方法。 - 前記第1の肯定応答フレームは、バッファリングされたトラフィックの第1のセットのキューサイズを含む、
請求項1記載のコンピュータが実行する方法。 - 前記第1のワイヤレスデバイスによって、バッファリングされたトラフィックの第1のセットを、前記第1のグループに関連する前記期間の間に、送信するステップ、
を更に含む、請求項1記載のコンピュータが実行する方法。 - バッファリングされたトラフィックの前記第1のセットは、前記第1のグループに属する他のワイヤレスデバイスによって送信されたバッファリングされたトラフィックの第2のセットと同時に送信される、
請求項4記載のコンピュータが実行する方法。 - バッファリングされたトラフィックの前記第1及び第2のセットは、空間分割多重アクセス(SDMA)を用いて送信される、
請求項5記載のコンピュータが実行する方法。 - 前記第1のグループは、第3のワイヤレスデバイスを更に含み;かつ、
前記第1の肯定応答フレームは、前記第1のワイヤレスデバイスによって、前記第3のワイヤレスデバイスによって送信される第3の肯定応答フレームと、同時に送信される、
請求項1記載のコンピュータが実行する方法。 - 前記第1及び第3の肯定応答フレームは、空間分割多重アクセス(SDMA)を用いて送信される、
請求項7記載のコンピュータが実行する方法。 - コンピュータが実行する方法であって:
ワイヤレスデバイスのグループに、前記グループに属する前記ワイヤレスデバイスの各々に付与された送信権を含むポーリングフレームを送信するステップであって、前記送信権は、同じグループに属する前記ワイヤレスデバイスの各々に割り当てられる同じ期間を定義する、ステップと;
前記グループに属する少なくとも1つの前記ワイヤレスデバイスから空間分割多重アクセス(SDMA)を用いて送信されたフレームを受信するステップと;
ワイヤレスデバイスの他のグループに、前記他のグループに属する前記ワイヤレスデバイスの各々に付与された他の送信権を含む他のポーリングフレームを送信するステップと;
を有し、
前記他の送信権は、前記他のグループに属する前記ワイヤレスデバイスの各々に割り当てられた他の同じ期間を定義し、前記グループに属する前記ワイヤレスデバイスに割り当てられた前記期間は、前記他のグループに属する前記ワイヤレスデバイスに割り当てられた前記他の期間とは異なる、コンピュータが実行する方法。 - 前記同じ期間は、前記ワイヤレスデバイスが、バッファリングされたトラフィックを送信することを許された間の期間である、
請求項9記載のコンピュータが実行する方法。 - 前記受信するステップは、前記グループに属する複数のワイヤレスデバイスから複数のフレームを受信するステップを含み、
当該方法は、
最長のバッファリングされたトラフィックの前記受信に応答して、ワイヤレスデバイスの前記グループに肯定応答フレームを送信するステップ、
を更に有する請求項10記載のコンピュータが実行する方法。 - 前記肯定応答フレームは、ダウンリンクSDMA又はダウンリンクOFDMAを用いて送信される、
請求項11記載のコンピュータが実行する方法。 - プロセッサを含むデバイスであって、前記プロセッサは:
ワイヤレスデバイスのグループに、前記グループに属する前記ワイヤレスデバイスの各々に付与された送信権を含むポーリングフレームを送信し、前記送信権は、同じグループに属する前記ワイヤレスデバイスの各々に割り当てられる同じ期間を定義し;
前記グループに属する少なくとも1つの前記ワイヤレスデバイスから空間分割多重アクセス(SDMA)を用いて送信されたフレームを受信し;
ワイヤレスデバイスの他のグループに、前記他のグループに属する前記ワイヤレスデバイスの各々に付与された他の送信権を含む他のポーリングフレームを送信する;
処理を実行するよう構成され、
前記他の送信権は、前記他のグループに属する前記ワイヤレスデバイスの各々に割り当てられた他の同じ期間を定義し、前記グループに属する前記ワイヤレスデバイスに割り当てられた前記期間は、前記他のグループに属する前記ワイヤレスデバイスに割り当てられた前記他の期間とは異なる、デバイス。 - 前記同じ期間は、前記ワイヤレスデバイスが、バッファリングされたトラフィックを送信することを許された間の期間である、
請求項13記載のデバイス。 - 前記プロセッサは、前記グループに属する複数のワイヤレスデバイスから複数のフレームを受信し、
最長のバッファリングされたトラフィックの前記受信に応答して、ワイヤレスデバイスの前記グループに肯定応答フレームを送信する、
処理を更に実行するよう構成された請求項14記載のデバイス。 - 前記肯定応答フレームは、ダウンリンクSDMA又はダウンリンクOFDMAを用いて送信される、
請求項15記載のデバイス。 - 請求項1ないし8のうち何れか1項記載の方法をコンピュータに実行させるためのプログラム。
- 請求項9ないし12のうち何れか1項記載の方法をコンピュータに実行させるためのプログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/648,200 | 2009-12-28 | ||
US12/648,200 US8687546B2 (en) | 2009-12-28 | 2009-12-28 | Efficient uplink SDMA operation |
PCT/US2010/059190 WO2011090567A2 (en) | 2009-12-28 | 2010-12-07 | Efficient uplink sdma operation |
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JP2013516142A JP2013516142A (ja) | 2013-05-09 |
JP5710641B2 true JP5710641B2 (ja) | 2015-04-30 |
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JP2012547094A Active JP5710641B2 (ja) | 2009-12-28 | 2010-12-07 | 効率的なアップリンクsdmaオペレーション |
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US (3) | US8687546B2 (ja) |
EP (2) | EP3133761B1 (ja) |
JP (1) | JP5710641B2 (ja) |
CN (2) | CN104270822B (ja) |
BR (1) | BR112012017128A2 (ja) |
WO (1) | WO2011090567A2 (ja) |
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JP2013516142A (ja) | 2013-05-09 |
CN102111201B (zh) | 2014-07-30 |
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