JP5986298B2 - 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット - Google Patents
無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット Download PDFInfo
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
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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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
-
- 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
- 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
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0658—Feedback reduction
- H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
- H04L27/266—Fine or fractional frequency offset determination and synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
-
- 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
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
-
- 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
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0628—Diversity capabilities
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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
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0643—Feedback on request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- 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
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
ルートインデックスr=0、1、...、N−1、
n=0、1、...、N−1、
Mは一意的な巡回シフトの数、および
巡回シフトs=0、1、...、M−1
である。
ルートインデックスr=0、1、...、N−1、
n=0、1、...、N−1、および
巡回シフトs=0、1、...、N−1
である。
実施形態
実施形態1は、無線送受信ユニット(WTRU)において使用される方法を提供し、方法は、ビームフォーミ機能要素を含む第1のメッセージを、アクセスポイント(AP)から受信するステップと、ビームフォーマ機能要素を含む第2のメッセージを、APに送信するステップと、WTRUが割り当てられるグループを示す、第2のメッセージに対する応答である第3のメッセージを、APから受信するステップであって、グループは、ビームフォーマ機能要素に基づき、グループは、アップリンク(UL)送信のためにWTRUによって使用されるUL送信情報を示す、ステップとを含む。
Claims (10)
- アクセスポイント(AP)において使用される方法であって、
第1のメッセージを、無線送受信ユニット(WTRU)に送信するステップであって、前記第1のメッセージは、前記APがマルチユーザ(MU)多入力多出力(MIMO)動作が可能であることを示す第1の機能要素を含む、ステップと、
第2のメッセージを、前記WTRUから受信するステップであって、前記第2のメッセージは、前記WTRUがMU MIMO動作が可能であることを示す第2の機能要素を含む、ステップと、
前記第2の機能要素および前記WTRUからの受信電力レベルに基づいて、前記WTRUのためのグループを決定するステップと、
前記WTRUが割り当てられる前記グループを示す第3のメッセージを送信するステップであって、前記第3のメッセージは、アップリンク(UL)送信のために前記WTRUによって使用されることになるUL MU MIMO送信情報を含む、ステップと、
UL MU MIMO送信を、前記WTRUから受信するステップであって、前記UL MU MIMO送信は、前記第3のメッセージの中で送信された前記UL MU MIMO送信情報に従ったものである、ステップと
を備えることを特徴とする方法。 - 前記第1の機能要素は、要素識別情報(ID)、長さ、オプション、必須情報、出発時刻(TOD)タイムスタンプ、TODクロックレート、任意情報、送信電力、サービス品質(QoS)要件、または前記WTRUに関連付けられたモビリティのうちの少なくとも1つを示すことを特徴とする請求項1に記載の方法。
- 前記第2の機能要素は、要素識別情報(ID)、長さ、オプション、送信電力、タイミングフィードバック、出発時刻(TOD)タイムスタンプ、TODクロックレート、圧縮されたビームフォーミングフィードバック、および任意情報のうちの少なくとも1つを示し、前記第2の機能要素は、超高スループット(VHT)機能情報フィールドの一部であることを特徴とする請求項1に記載の方法。
- 前記APは、IEEE802.11 AP、802.16 AP、802.1x AP、または別のタイプの無線ネットワークのためのAPのうちの少なくとも1つであることを特徴とする請求項1に記載の方法。
- アクセスポイント(AP)において、
プロセッサと、
前記プロセッサによって実行された場合に、前記APに、
第1のメッセージを、無線送受信ユニット(WTRU)に送信することであって、前記第1のメッセージは、前記APがマルチユーザ(MU)多入力多出力(MIMO)動作が可能であることを示す第1の機能要素を含む、送信することと、
第2のメッセージを、前記WTRUから受信することであって、前記第2のメッセージは、前記WTRUがMU MIMO動作が可能であることを示す第2の機能要素を含む、受信することと、
前記第2の機能要素および前記WTRUからの受信電力レベルに基づいて、前記WTRUのためのグループを決定することと、
前記WTRUが割り当てられる前記グループを示す第3のメッセージを送信することであって、前記第3のメッセージは、アップリンク(UL)送信のために前記WTRUによって使用されることになるUL MU MIMO送信情報を含む、送信することと、
UL MU MIMO送信を、前記WTRUから受信することであって、前記UL MU MIMO送信は、前記第3のメッセージの中で送信された前記UL MU MIMO送信情報に従ったものである、受信することと
を行わせる、プロセッサ実行可能命令をストアしたメモリと
を備えたことを特徴とするAP。 - 前記第1の機能要素は、要素識別情報(ID)、長さ、オプション、必須情報、出発時刻(TOD)タイムスタンプ、TODクロックレート、任意情報、送信電力、サービス品質(QoS)要件、または前記WTRUに関連付けられたモビリティのうちの少なくとも1つを示すことを特徴とする請求項5に記載のAP。
- 前記第2の機能要素は、要素識別情報(ID)、長さ、オプション、送信電力、タイミングフィードバック、出発時刻(TOD)タイムスタンプ、TODクロックレート、圧縮されたビームフォーミングフィードバック、および任意情報のうちの少なくとも1つを示し、前記第2の機能要素は、超高スループット(VHT)機能情報フィールドの一部であることを特徴とする請求項5に記載のAP。
- 前記APは、IEEE802.11 AP、802.16 AP、802.1x AP、または別のタイプの無線ネットワークのためのAPのうちの少なくとも1つであることを特徴とする請求項5に記載のAP。
- 前記UL MU MIMO送信情報は、複数の行からなる行列を含み、前記WTRUは前記行の1つと関連付けられていることを特徴とする請求項1に記載の方法。
- 前記UL MU MIMO送信情報は、複数の行からなる行列を含み、前記WTRUは前記行の1つと関連付けられていることを特徴とする請求項5に記載のAP。
Applications Claiming Priority (3)
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US201261644872P | 2012-05-09 | 2012-05-09 | |
US61/644,872 | 2012-05-09 | ||
PCT/US2013/032321 WO2013169389A1 (en) | 2012-05-09 | 2013-03-15 | Multi-user multiple input multiple output communications in wireless local area networks and wireless transmit and receive units |
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JP2016153588A Division JP2017005739A (ja) | 2012-05-09 | 2016-08-04 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
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JP2015522974A JP2015522974A (ja) | 2015-08-06 |
JP5986298B2 true JP5986298B2 (ja) | 2016-09-06 |
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JP2015511466A Expired - Fee Related JP5986298B2 (ja) | 2012-05-09 | 2013-03-15 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
JP2016153588A Pending JP2017005739A (ja) | 2012-05-09 | 2016-08-04 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
JP2017160583A Pending JP2018023117A (ja) | 2012-05-09 | 2017-08-23 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
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JP2016153588A Pending JP2017005739A (ja) | 2012-05-09 | 2016-08-04 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
JP2017160583A Pending JP2018023117A (ja) | 2012-05-09 | 2017-08-23 | 無線ローカルエリアネットワークにおけるマルチユーザ多入力多出力通信、および無線送受信ユニット |
Country Status (7)
Country | Link |
---|---|
US (2) | US20130301551A1 (ja) |
EP (2) | EP3367586A1 (ja) |
JP (3) | JP5986298B2 (ja) |
KR (3) | KR20160149295A (ja) |
CN (2) | CN104272605B (ja) |
TW (2) | TW201810965A (ja) |
WO (1) | WO2013169389A1 (ja) |
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KR20150008470A (ko) | 2015-01-22 |
US20170294953A1 (en) | 2017-10-12 |
JP2017005739A (ja) | 2017-01-05 |
JP2018023117A (ja) | 2018-02-08 |
TW201810965A (zh) | 2018-03-16 |
EP2853036A1 (en) | 2015-04-01 |
WO2013169389A1 (en) | 2013-11-14 |
CN104272605B (zh) | 2017-09-29 |
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