WO2011149271A3 - 무선랜 시스템에서 파워 세이브 모드 운영 방법 및 장치 - Google Patents
무선랜 시스템에서 파워 세이브 모드 운영 방법 및 장치 Download PDFInfo
- Publication number
- WO2011149271A3 WO2011149271A3 PCT/KR2011/003842 KR2011003842W WO2011149271A3 WO 2011149271 A3 WO2011149271 A3 WO 2011149271A3 KR 2011003842 W KR2011003842 W KR 2011003842W WO 2011149271 A3 WO2011149271 A3 WO 2011149271A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- station
- downlink transmission
- power save
- save mode
- basis
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 7
Classifications
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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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
-
- 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
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
-
- 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
-
- 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
- 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]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
무선랜 시스템에서 파워 세이브 모드 운영 방법이 제공된다. 상기 방법은 비 액세스포인트 스테이션(non AP(Access Point) station; STA)의 파워 세이브 모드(Power Save Mode; PSM) 를 포함하는 파워 세이브 멀티 폴(power save multi poll; PSMP) 프레임을 AP와 MIMO(Multiple Input Multiple Output) 페어링된 제1 STA 및 제2 STA에게 전송하되, 상기 PSM 정보는 하향 링크 전송 구간이 시작되는 시점을 지시하는 하향 링크 전송 시작 오프셋(start offset), 상기 하향 링크 전송 구간의 지속 시간을 지시하는 하향 링크 전송 지속 시간(duration) 및 전송 대상 STA 식별 정보를 포함하고, 상기 하향 링크 전송 구간 동안 데이터 프레임을 상기 제1 STA 및 상기 제2 STA에게 MIMO 전송 하는 것을 포함하되, 상기 전송 대상 STA 식별 정보는 상기 AP가 MIMO 전송하는 대상 STA인 제1 STA 및 제2 STA을 포함하는 대상 STA 그룹을 지시하는 그룹 식별자(Group Identifier; Group ID)를 지시한다.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/700,123 US9191893B2 (en) | 2010-05-26 | 2011-05-25 | Method and apparatus for operating a power save mode in a wireless LAN system |
US14/883,887 US9673879B2 (en) | 2010-05-26 | 2015-10-15 | Method and apparatus for operating a power save mode in a wireless LAN system |
US15/498,143 US10085209B2 (en) | 2010-05-26 | 2017-04-26 | Method and apparatus for operating a power save mode in a wireless LAN system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34825310P | 2010-05-26 | 2010-05-26 | |
US61/348,253 | 2010-05-26 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/700,123 A-371-Of-International US9191893B2 (en) | 2010-05-26 | 2011-05-25 | Method and apparatus for operating a power save mode in a wireless LAN system |
US14/883,887 Continuation US9673879B2 (en) | 2010-05-26 | 2015-10-15 | Method and apparatus for operating a power save mode in a wireless LAN system |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011149271A2 WO2011149271A2 (ko) | 2011-12-01 |
WO2011149271A3 true WO2011149271A3 (ko) | 2012-04-19 |
Family
ID=45004566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/003842 WO2011149271A2 (ko) | 2010-05-26 | 2011-05-25 | 무선랜 시스템에서 파워 세이브 모드 운영 방법 및 장치 |
Country Status (2)
Country | Link |
---|---|
US (3) | US9191893B2 (ko) |
WO (1) | WO2011149271A2 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8542696B2 (en) | 2009-12-16 | 2013-09-24 | Intel Corporation | Device, system and method of simultaneously communicating with a group of wireless communication units |
US20110149731A1 (en) * | 2009-12-17 | 2011-06-23 | Gong Michelle X | Device, system and method of scheduling communications with a group of wireless communication units |
US9191893B2 (en) | 2010-05-26 | 2015-11-17 | Lg Electronics Inc. | Method and apparatus for operating a power save mode in a wireless LAN system |
US20120207071A1 (en) * | 2011-02-16 | 2012-08-16 | Samsung Electronics Co., Ltd. | Enhanced power save multi-poll (psmp) protocol for multi-user mimo based wireless local area networks |
WO2012173326A1 (en) | 2011-06-15 | 2012-12-20 | Lg Electronics Inc. | Method for transmitting and receiving data unit based on uplink multiple user multiple input multiple output transmission and apparatus for the same |
EP2823676A1 (en) * | 2012-03-06 | 2015-01-14 | Interdigital Patent Holdings, Inc. | Method and apparatus for power savings in a wireless local area network |
JP5961749B2 (ja) * | 2012-04-28 | 2016-08-02 | エルジー エレクトロニクス インコーポレイティド | 無線lanシステムにおけるチャネルアクセス方法及び装置 |
JP6151769B2 (ja) | 2012-04-30 | 2017-06-21 | エルジー エレクトロニクス インコーポレイティド | 無線lanシステムにおいてチャネルアクセス方法及び装置 |
JP6262852B2 (ja) * | 2013-11-07 | 2018-01-17 | エルジー エレクトロニクス インコーポレイティド | 無線lanにおけるマルチユーザアップリンク受信方法及び装置 |
US9755795B2 (en) * | 2013-12-18 | 2017-09-05 | Huawei Technologies Co., Ltd. | System and method for WLAN OFDMA design of subcarrier groups and frame format |
US9420537B2 (en) | 2014-03-26 | 2016-08-16 | Intel Corporation | Queueing mechanism for client-side network traffic to reduce radio power consumption on mobile clients |
GB2541390B (en) * | 2015-08-14 | 2021-10-20 | Tcl Communication Ltd | Systems and methods for multi-user communication |
EP3340713B1 (en) | 2015-08-21 | 2023-01-18 | LG Electronics Inc. | Data transmission method and device in wireless communication system |
CN106656288B (zh) * | 2016-12-29 | 2020-08-11 | 电子科技大学 | 一种基于降低平均误码率上界的导频数据间最优功率分配方法 |
Citations (4)
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KR20070042442A (ko) * | 2005-10-18 | 2007-04-23 | 삼성전자주식회사 | 무선통신 시스템에서 전송 시간 구간의 할당 방법과 장치및 그 시스템 |
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US20070201468A1 (en) * | 2006-02-28 | 2007-08-30 | Jari Jokela | Multicast group address signaling using MAC header for power save delivery in a wireless network |
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US8014818B2 (en) * | 2006-01-04 | 2011-09-06 | Interdigital Technology Corporation | Methods and systems for providing efficient operation of multiple modes in a WLAN system |
US7796545B2 (en) * | 2006-01-10 | 2010-09-14 | Qualcomm Incorporated | Method and apparatus for scheduling in a wireless communication network |
TWI465085B (zh) * | 2006-02-14 | 2014-12-11 | Interdigital Tech Corp | Wlan服務中提供可靠多播服務方法及系統 |
US7751396B2 (en) * | 2006-02-28 | 2010-07-06 | Nokia Corporation | Multicast address signaling for power save delivery in a wireless network |
US8467345B2 (en) * | 2008-08-20 | 2013-06-18 | Qualcomm Incorporated | Methods and apparatus for scheduling wireless transmissions |
KR101783926B1 (ko) * | 2009-10-23 | 2017-10-23 | 마벨 월드 트레이드 리미티드 | Wlαn을 위한 스트림 개수 지시자 |
US8542696B2 (en) * | 2009-12-16 | 2013-09-24 | Intel Corporation | Device, system and method of simultaneously communicating with a group of wireless communication units |
US20110149731A1 (en) * | 2009-12-17 | 2011-06-23 | Gong Michelle X | Device, system and method of scheduling communications with a group of wireless communication units |
US9191893B2 (en) | 2010-05-26 | 2015-11-17 | Lg Electronics Inc. | Method and apparatus for operating a power save mode in a wireless LAN system |
-
2011
- 2011-05-25 US US13/700,123 patent/US9191893B2/en active Active
- 2011-05-25 WO PCT/KR2011/003842 patent/WO2011149271A2/ko active Application Filing
-
2015
- 2015-10-15 US US14/883,887 patent/US9673879B2/en active Active
-
2017
- 2017-04-26 US US15/498,143 patent/US10085209B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070147284A1 (en) * | 2005-09-21 | 2007-06-28 | Interdigital Technology Corporation | Method and apparatus for transmission management in a wireless communication system |
KR20070042442A (ko) * | 2005-10-18 | 2007-04-23 | 삼성전자주식회사 | 무선통신 시스템에서 전송 시간 구간의 할당 방법과 장치및 그 시스템 |
US20070147423A1 (en) * | 2005-12-20 | 2007-06-28 | Menzo Wentink | More Power Save Multi-Poll Indication |
US20070201468A1 (en) * | 2006-02-28 | 2007-08-30 | Jari Jokela | Multicast group address signaling using MAC header for power save delivery in a wireless network |
Also Published As
Publication number | Publication date |
---|---|
US9673879B2 (en) | 2017-06-06 |
US20170230909A1 (en) | 2017-08-10 |
US9191893B2 (en) | 2015-11-17 |
US10085209B2 (en) | 2018-09-25 |
US20130070658A1 (en) | 2013-03-21 |
US20160036503A1 (en) | 2016-02-04 |
WO2011149271A2 (ko) | 2011-12-01 |
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