JP2015511077A - Wlanシステムにおけるマルチユーザ並列チャネルアクセス - Google Patents
Wlanシステムにおけるマルチユーザ並列チャネルアクセス Download PDFInfo
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Abstract
Description
本出願は、2012年3月1日に出願された米国特許仮出願第61/605538号明細書、2012年7月9日に出願された米国特許仮出願第61/669505号明細書、および2012年8月16日に出願された米国特許仮出願第61/684051号明細書の利益を主張し、それらの内容は、本明細書における参照によって本明細書に組み込まれる。
i=NROW(k mod NCOL)+floor(k/NCOL) k=0,1,...,NBITS−1 式2
と定義され得る。
TXVECTOR=[TXVECTOR_Common,TXVECTOR_0,TXVECTOR_1,...,TXVECTOR_N] 式5
RXVECTOR=[RXVECTOR_Common,RXVECTOR_0,RXVECTOR_1,...,RXVECTOR_N] 式6
ここで、TXVECTOR_CommonおよびRXVECTOR_Commonは、SU−PCAもしくはMU−PCAで使用されるすべてのチャネル、またはすべての周波数セグメントに適用される、パラメータを含むことができ、TXVECTOR_iおよびRX_VECTOR_i、0<i<Nは、第iのチャネルまたは周波数セグメントに固有のパラメータを含むことができる。第iのチャネルは、任意の帯域幅とすることができ、連続および非連続の周波数セグメントから成ることができる。
Claims (20)
- 無線送受信ユニット(WTRU)に関連付けられたチャネルを介して、アクセスポイント(AP)が複数のWTRUに複数のチャネルを介して複数のデータメッセージを同時に送信する準備ができていることを表示している送信要求(RTS)メッセージを前記APから受信するように構成された受信機と、
前記WTRUに関連付けられた前記チャネルを介して、前記WTRUが前記WTRUに関連付けられた前記チャネルを介して受信する準備ができていることを表示している第1の送信可(CTS)メッセージを前記APに送信するように構成された送信機と
を備え、
前記受信機は、前記WTRUに関連付けられた前記チャネルを介して、前記複数のデータメッセージのうちのデータメッセージを前記APから受信するように構成され、
前記送信機は、前記WTRUに関連付けられた前記チャネルを介して、肯定応答(ACK)メッセージを前記APに送信するように構成され、前記ACKメッセージは、モアフラグメントビットを含み、および前記モアフラグメントビットは、前記WTRUが前記APに送信するためのアップリンク(UL)データを有するという条件で、「1」に設定される
ことを特徴とするWTRU。 - 前記モアフラグメントビットが1に設定され、および前記WTRUが前記APに送信するためのアップリンクデータを有するという条件で、
前記受信機は、前記STAに関連付けられた前記チャネルを介して、第2のCTSメッセージを前記APから受信するようにさらに構成され、
前記送信機は、前記STAに関連付けられた前記チャネルを介して、前記アップリンク(UL)データを前記APに送信するようにさらに構成される
ことを特徴とする請求項1に記載のWTRU。 - 前記WTRUに関連付けられた前記チャネルは、2以上のチャネルを含むことを特徴とする請求項1に記載のWTRU。
- 前記送信機は、前記複数のWTRUによるCTSメッセージ送信と同時に、前記第1のCTSメッセージを送信するように構成されることを特徴とする請求項1に記載のWTRU。
- 前記送信機は、前記複数のWTRUによるACKメッセージ送信と同時に、前記ACKメッセージを送信するように構成される
ことを特徴とする請求項1に記載のWTRU。 - 前記複数のチャネルのうちの少なくとも2つのチャネルは、異なる帯域幅を有することを特徴とする請求項1に記載のWTRU。
- 前記RTSメッセージは、グループRTS(G−RTS)メッセージであり、前記第1のCTSメッセージは、グループCTS(G−CTS)メッセージであり、および前記ACKメッセージは、グループACK(G−ACK)メッセージであることを特徴とする請求項1に記載のWTRU。
- 前記WTRUは、Institute of Electrical and Electronics Engineers(IEEE)802.11無線ローカルエリアネットワーク(WLAN)局(STA)であることを特徴とする請求項1に記載のWTRU。
- 無線送受信ユニット(WTRU)において使用する方法であって、前記方法は、
前記WTRUに関連付けられたチャネルを介して、アクセスポイント(AP)が複数のWTRUに複数のチャネルを介して複数のデータメッセージを同時に送信する準備ができていることを表示している送信要求(RTS)メッセージを前記APから受信するステップと、
前記WTRUに関連付けられた前記チャネルを介して、前記WTRUが前記WTRUに関連付けられた前記チャネルを介して受信する準備ができていることを表示している第1の送信可(CTS)メッセージを前記APに送信するステップと、
前記WTRUに関連付けられた前記チャネルを介して、前記複数のデータメッセージのうちのデータメッセージを前記APから受信するステップと、
前記WTRUに関連付けられた前記チャネルを介して、肯定応答(ACK)メッセージを前記APに送信するステップであって、前記ACKメッセージは、モアフラグメントビットを含み、前記モアフラグメントビットは、前記WTRUが前記APに送信するためのアップリンク(UL)データを有するという条件で、「1」に設定される、ステップと
を備えたことを特徴とする方法。 - 前記モアフラグメントビットが1に設定され、および前記WTRUが前記APに送信するためのアップリンクデータを有するという条件で、
前記STAに関連付けられた前記チャネルを介して、第2のCTSメッセージを前記APから受信するステップと、
前記STAに関連付けられた前記チャネルを介して、前記アップリンク(UL)データを前記APに送信するステップと
をさらに備えたことを特徴とする請求項9に記載の方法。 - 前記WTRUに関連付けられた前記チャネルは、2以上のチャネルを含むことを特徴とする請求項9に記載の方法。
- 前記第1のCTSメッセージを送信する前記ステップは、前記複数のWTRUによるCTSメッセージ送信と同時であることを特徴とする請求項9に記載の方法。
- 前記ACKメッセージを送信する前記ステップは、前記複数のWTRUによるACKメッセージ送信と同時であることを特徴とする請求項9に記載の方法。
- 前記複数のチャネルのうちの少なくとも2つのチャネルは、異なる帯域幅を有することを特徴とする請求項9に記載の方法。
- 前記RTSメッセージは、グループRTS(G−RTS)メッセージであり、前記第1のCTSメッセージは、グループCTS(G−CTS)メッセージであり、および前記ACKメッセージは、グループACK(G−ACK)メッセージであることを特徴とする請求項9に記載の方法。
- 前記WTRUは、Institute of Electrical and Electronics Engineers(IEEE)802.11無線ローカルエリアネットワーク(WLAN)局(STA)であることを特徴とする請求項9に記載の方法。
- 局(STA)に関連付けられたチャネルを介して、アクセスポイント(AP)が複数のWTRUに複数のチャネルを介して複数のデータメッセージを同時に送信する準備ができていることを表示している送信要求(RTS)メッセージを前記STAに送信するように構成された送信機と、
前記STAに関連付けられた前記チャネルを介して、前記STAが前記STAに関連付けられた前記チャネルを介して受信する準備ができていることを表示している第1の送信可(CTS)メッセージを前記STAから受信するように構成された受信機と
を備え、
前記送信機は、前記複数のチャネルを介して、前記複数のデータメッセージを前記STAに送信するように構成され、
前記受信機は、前記STAに関連付けられた前記チャネルを介して、肯定応答(ACK)メッセージを前記STAから受信するように構成され、前記ACKメッセージは、モアフラグメントビットを含み、および前記モアフラグメントビットは、前記STAが前記APに送信するためのアップリンク(UL)データを有するという条件で、「1」に設定される
ことを特徴とするアクセスポイント(AP)。 - 前記モアフラグメントビットが1に設定され、および前記STAが前記APに送信するためのアップリンクデータを有するという条件で、
前記送信機は、前記STAに関連付けられた前記チャネルを介して、第2のCTSメッセージを前記STAに送信するようにさらに構成され、
前記受信機は、前記STAに関連付けられた前記チャネルを介して、前記アップリンク(UL)データを前記STAから受信するようにさらに構成される
ことを特徴とする請求項17に記載のAP。 - アクセスポイント(AP)において使用する方法であって、前記方法は、
局(STA)に関連付けられたチャネルを介して、前記APが複数のWTRUに複数のチャネルを介して複数のデータメッセージを同時に送信する準備ができていることを表示している送信要求(RTS)メッセージを前記STAに送信するステップと、
前記STAに関連付けられた前記チャネルを介して、前記STAが前記STAに関連付けられた前記チャネルを介して受信する準備ができていることを表示している第1の送信可(CTS)メッセージを前記STAから受信するステップと、
前記複数のチャネルを介して、前記複数のデータメッセージを前記STAに送信するステップと、
前記STAに関連付けられた前記チャネルを介して、肯定応答(ACK)メッセージを前記STAから受信するステップであって、前記ACKメッセージは、モアフラグメントビットを含み、前記モアフラグメントビットは、前記STAが前記APに送信するためのアップリンク(UL)データを有するという条件で、「1」に設定される、ステップと
を備えたことを特徴とする方法。 - 前記モアフラグメントビットが1に設定され、前記STAが前記APに送信するためのアップリンクデータを有するとう条件で、
前記STAに関連付けられた前記チャネルを介して、第2のCTSメッセージを前記STAに送信するステップと、
前記STAに関連付けられた前記チャネルを介して、前記アップリンク(UL)データを前記STAから受信するステップと
をさらに備えたことを特徴とする請求項19に記載の方法。
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US10542555B2 (en) | 2020-01-21 |
TW201733327A (zh) | 2017-09-16 |
US20130229996A1 (en) | 2013-09-05 |
US20200163099A1 (en) | 2020-05-21 |
US20170231009A1 (en) | 2017-08-10 |
US20160227569A1 (en) | 2016-08-04 |
TWI602414B (zh) | 2017-10-11 |
US9338789B2 (en) | 2016-05-10 |
JP6122039B2 (ja) | 2017-04-26 |
US20230069602A1 (en) | 2023-03-02 |
US20230397186A1 (en) | 2023-12-07 |
JP6424246B2 (ja) | 2018-11-14 |
EP2820909A1 (en) | 2015-01-07 |
US9860908B2 (en) | 2018-01-02 |
US11770819B2 (en) | 2023-09-26 |
US11528723B2 (en) | 2022-12-13 |
EP3273743A1 (en) | 2018-01-24 |
US9681462B2 (en) | 2017-06-13 |
JP2017143559A (ja) | 2017-08-17 |
US10231251B2 (en) | 2019-03-12 |
US20190261385A1 (en) | 2019-08-22 |
EP2820909B1 (en) | 2017-09-06 |
TW201349815A (zh) | 2013-12-01 |
WO2013130793A1 (en) | 2013-09-06 |
US20180084566A1 (en) | 2018-03-22 |
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