CN102077101B - 用于支持蜂窝网络中多用户天线波束形成的系统和方法 - Google Patents
用于支持蜂窝网络中多用户天线波束形成的系统和方法 Download PDFInfo
- Publication number
- CN102077101B CN102077101B CN200980124037.2A CN200980124037A CN102077101B CN 102077101 B CN102077101 B CN 102077101B CN 200980124037 A CN200980124037 A CN 200980124037A CN 102077101 B CN102077101 B CN 102077101B
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- CN
- China
- Prior art keywords
- receiver
- scaling factor
- bit format
- power scaling
- access node
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
- H04W52/58—Format of the TPC bits
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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
- H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector 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
- H04B7/0617—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 for beam forming
-
- 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
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- 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
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- 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
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7521508P | 2008-06-24 | 2008-06-24 | |
US61/075,215 | 2008-06-24 | ||
US61/075215 | 2008-06-24 | ||
PCT/US2009/003746 WO2009157993A1 (en) | 2008-06-24 | 2009-06-24 | System and method for supporting multi-user antenna beamforming in a cellular network |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102077101A CN102077101A (zh) | 2011-05-25 |
CN102077101B true CN102077101B (zh) | 2014-03-12 |
Family
ID=41444835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980124037.2A Expired - Fee Related CN102077101B (zh) | 2008-06-24 | 2009-06-24 | 用于支持蜂窝网络中多用户天线波束形成的系统和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9020554B2 (zh) |
EP (1) | EP2307894A4 (zh) |
JP (1) | JP5475760B2 (zh) |
KR (1) | KR101410603B1 (zh) |
CN (1) | CN102077101B (zh) |
BR (1) | BRPI0914588A2 (zh) |
WO (1) | WO2009157993A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2485387B (en) | 2010-11-12 | 2013-10-02 | Intellectual Ventures Holding 81 Llc | Wireless communication system, communication unit, and method for scheduling |
US9635617B1 (en) * | 2012-11-21 | 2017-04-25 | Sprint Communications Company L.P. | Controllable transformer tap to dynamically adjust power distribution levels in wireless networks |
US10154462B2 (en) * | 2014-12-12 | 2018-12-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio link management in a combined cell |
CN104735684B (zh) * | 2015-03-24 | 2018-05-22 | 浙江大学 | 一种蜂窝移动通信网络公共控制信号立体覆盖的多扇区联合控制方法 |
DE102016213703B4 (de) * | 2016-07-26 | 2018-04-26 | Volkswagen Aktiengesellschaft | Vorrichtung, Fahrzeug, Verfahren, Computerprogramm und Funksystem zur Funkversorgung in einem vordefinierten Raum |
US11723014B2 (en) | 2019-04-16 | 2023-08-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Controlling transmitter output |
CN116660680B (zh) * | 2023-05-31 | 2024-05-24 | 国家电网有限公司 | 一种基于节点电力线通信停电事件研判方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1823278A (zh) * | 2003-05-14 | 2006-08-23 | 高通股份有限公司 | Ofdm系统中的功率控制和调度 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7764231B1 (en) | 1996-09-09 | 2010-07-27 | Tracbeam Llc | Wireless location using multiple mobile station location techniques |
JP2003018053A (ja) * | 2001-06-28 | 2003-01-17 | Nippon Soken Inc | 通信装置 |
US7197084B2 (en) * | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
EP2621238A1 (en) | 2002-05-01 | 2013-07-31 | InterDigital Technology Corporation | Point to multi-point services using shared channels in wireless communication systems |
AU2003241402A1 (en) | 2002-05-07 | 2003-11-11 | Ipr Licensing, Inc. | Antenna adaptation in a time division duplexing system |
AU2003303913A1 (en) * | 2003-02-13 | 2004-09-06 | Docomo Communications Laboratories Europe Gmbh | Differential multiple-length transmit and reception diversity |
US20080144493A1 (en) | 2004-06-30 | 2008-06-19 | Chi-Hsiang Yeh | Method of interference management for interference/collision prevention/avoidance and spatial reuse enhancement |
EP1851324B1 (en) * | 2005-02-10 | 2012-10-24 | Emory University | Novel proteins with enhanced functionality and methods of making novel proteins using circular permutation |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US20070087695A1 (en) * | 2005-10-17 | 2007-04-19 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Mobile directional antenna |
JP4203529B2 (ja) | 2007-11-28 | 2009-01-07 | 京セラ株式会社 | 無線装置およびアンテナ指向性制御方法 |
KR101349831B1 (ko) * | 2008-03-23 | 2014-01-09 | 엘지전자 주식회사 | 피드백 오버헤드 감소를 위한 신호 전송 방법 및 이를 위한피드백 정보 전송 방법 |
JP5154295B2 (ja) | 2008-05-02 | 2013-02-27 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置及びユーザ装置並びに通信制御方法 |
US8295868B2 (en) * | 2008-06-09 | 2012-10-23 | Samsung Electronics Co., Ltd. | Downlink control information format for multiple codeword transmission |
US8326341B2 (en) * | 2008-06-23 | 2012-12-04 | Nokia Corporation | Method, apparatus and computer program for downlink MU-MIMO power settings and control |
-
2009
- 2009-06-24 JP JP2011514632A patent/JP5475760B2/ja not_active Expired - Fee Related
- 2009-06-24 WO PCT/US2009/003746 patent/WO2009157993A1/en active Application Filing
- 2009-06-24 KR KR1020117001703A patent/KR101410603B1/ko active IP Right Grant
- 2009-06-24 CN CN200980124037.2A patent/CN102077101B/zh not_active Expired - Fee Related
- 2009-06-24 US US12/997,061 patent/US9020554B2/en not_active Expired - Fee Related
- 2009-06-24 EP EP09770532.1A patent/EP2307894A4/en not_active Withdrawn
- 2009-06-24 BR BRPI0914588A patent/BRPI0914588A2/pt not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1823278A (zh) * | 2003-05-14 | 2006-08-23 | 高通股份有限公司 | Ofdm系统中的功率控制和调度 |
Also Published As
Publication number | Publication date |
---|---|
US20110081943A1 (en) | 2011-04-07 |
EP2307894A4 (en) | 2017-05-31 |
WO2009157993A1 (en) | 2009-12-30 |
KR101410603B1 (ko) | 2014-06-20 |
EP2307894A1 (en) | 2011-04-13 |
JP2011526106A (ja) | 2011-09-29 |
US9020554B2 (en) | 2015-04-28 |
BRPI0914588A2 (pt) | 2015-12-22 |
JP5475760B2 (ja) | 2014-04-16 |
KR20110025837A (ko) | 2011-03-11 |
CN102077101A (zh) | 2011-05-25 |
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Owner name: YANXING BIDEKE CO., LTD. Free format text: FORMER OWNER: NORTEL NETWORKS LTD (CA) Effective date: 20130410 Owner name: APPLE COMPUTER, INC. Free format text: FORMER OWNER: YANXING BIDEKE CO., LTD. Effective date: 20130410 |
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Effective date of registration: 20130410 Address after: American California Applicant after: APPLE Inc. Address before: American New York Applicant before: NORTEL NETWORKS LTD. Effective date of registration: 20130410 Address after: American New York Applicant after: NORTEL NETWORKS LTD. Address before: Quebec Applicant before: NORTEL NETWORKS Ltd. |
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