JP5496203B2 - マルチセル環境において送信電力パターンを変更するための方法 - Google Patents

マルチセル環境において送信電力パターンを変更するための方法 Download PDF

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JP5496203B2
JP5496203B2 JP2011523124A JP2011523124A JP5496203B2 JP 5496203 B2 JP5496203 B2 JP 5496203B2 JP 2011523124 A JP2011523124 A JP 2011523124A JP 2011523124 A JP2011523124 A JP 2011523124A JP 5496203 B2 JP5496203 B2 JP 5496203B2
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cluster
power
base station
transmission
base stations
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JP2012500524A5 (enExample
JP2012500524A (ja
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ジュゼッペ ケール，
ショーン， エー． ラムプラシャド，
ハララボス パパドポウロス，
クリスティーン ペピン，
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NTT Docomo Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [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
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/30—Special cell shapes, e.g. doughnuts or ring cells

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2011523124A 2008-08-15 2009-08-11 マルチセル環境において送信電力パターンを変更するための方法 Active JP5496203B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8909608P 2008-08-15 2008-08-15
US61/089,096 2008-08-15
US12/538,739 US8705484B2 (en) 2008-08-15 2009-08-10 Method for varying transmit power patterns in a multi-cell environment
US12/538,739 2009-08-10
PCT/US2009/053471 WO2010019617A1 (en) 2008-08-15 2009-08-11 A method for varying transmit power patterns in a multi-cell environment

Publications (3)

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JP2012500524A JP2012500524A (ja) 2012-01-05
JP2012500524A5 JP2012500524A5 (enExample) 2012-09-27
JP5496203B2 true JP5496203B2 (ja) 2014-05-21

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US (1) US8705484B2 (enExample)
JP (1) JP5496203B2 (enExample)
WO (1) WO2010019617A1 (enExample)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US10200094B2 (en) 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US9819403B2 (en) 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US8654815B1 (en) 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US9826537B2 (en) 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
US20090170497A1 (en) * 2007-12-28 2009-07-02 Guowang Miao Probabilistic interference mitigation for wireless cellular networks
US8472963B2 (en) * 2008-08-13 2013-06-25 Ntt Docomo, Inc. Variable coordination pattern approach for improving performance in multi-cell or multi-antenna environments
US20120044849A1 (en) * 2009-02-02 2012-02-23 Ciena Corporation Power allocation in closed-loop downlink cooperative multiple point (comp) transmission
US8243670B2 (en) * 2009-08-19 2012-08-14 Chunghwa Telecom Co., Ltd. User grouping method for inter-cell interference coordination in mobile telecommunication
US8699967B2 (en) * 2009-08-31 2014-04-15 Qualcomm Incorporated Uplink transmit diversity enhancement
CN101742708B (zh) * 2009-10-28 2013-01-30 华为终端有限公司 无线接入点设备的工作方法及无线接入点设备
US20120002622A1 (en) * 2010-07-02 2012-01-05 Ralink Technology (Singapore) Corporation Pte. Ltd. Method for signal space partition and assignment and apparatus using the same
US8688154B2 (en) * 2010-09-02 2014-04-01 Ntt Docomo, Inc. Method and apparatus for communicating with blind interference alignment using power allocation and/or transmission architecture
US8787259B2 (en) * 2010-09-22 2014-07-22 Ntt Docomo, Inc. Method for efficient MU-MIMO transmission by joint assignments of transmission architecture, and interference alignment schemes using optimized user-code assignments and power-allocation
CN102545989B (zh) * 2010-12-17 2015-04-15 华为技术有限公司 用于分布式天线系统的通信方法、装置和系统
US8797959B2 (en) * 2011-01-05 2014-08-05 Futurewei Technologies, Inc. System and method for transceiver design
JP5603288B2 (ja) * 2011-04-26 2014-10-08 株式会社日立製作所 無線通信システム、無線通信方法および基地局装置
US20140036888A1 (en) * 2011-04-27 2014-02-06 Haralabos C. Papadopoulos Method for efficient mu-mimo transmission via blind interference alignment schemes with reduced channel coherence-time requirements
CN103139180B (zh) * 2011-12-01 2016-08-03 华为技术有限公司 一种基于流媒体业务提升小区吞吐量的方法和装置
US9137818B2 (en) * 2011-12-14 2015-09-15 Alcatel Lucent Method and system for a reduced-complexity scheduling for a network MIMO with linear zero-forcing beamforming
US8811213B1 (en) * 2012-02-24 2014-08-19 Sprint Communications Company, L.P. Avoiding satellite interference to long term evolution systems
US9294161B2 (en) * 2012-04-26 2016-03-22 Huawei Technologies Co., Ltd. System and method for interference coordination
KR20140000847A (ko) * 2012-06-26 2014-01-06 삼성전자주식회사 무선통신 시스템에서 간섭처리 방법 및 장치
CN103517394B (zh) * 2012-06-30 2017-08-18 华为技术有限公司 用户数据调度方法和装置
US9066351B2 (en) * 2012-07-19 2015-06-23 Nec Laboratories America, Inc. Tailoring wireless transmission strategies to user profiles
US9072065B2 (en) * 2012-09-13 2015-06-30 Futurewei Technologies, Inc. Systems and methods for downlink power control and scheduling in a wireless network
US9538387B2 (en) * 2012-09-28 2017-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Radio resource assignment coordination in superdense networks
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
CN104919837B (zh) * 2013-01-16 2019-11-12 日电（中国）有限公司 用于tdd系统中的dl/ul资源配置的方法和设备
EP2949089B1 (en) * 2013-01-25 2018-11-28 Huawei Technologies Co., Ltd. Joint compress and forward relaying system
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
RU2767777C2 (ru) 2013-03-15 2022-03-21 Риарден, Ллк Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом
US9479240B1 (en) 2014-01-31 2016-10-25 Quantenna Communications, Inc. Composite beamforming to coordinate concurrent WLAN links
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US9876539B2 (en) * 2014-06-16 2018-01-23 Ntt Docomo, Inc. Method and apparatus for scalable load balancing across wireless heterogeneous MIMO networks
WO2016051294A1 (en) * 2014-10-01 2016-04-07 Abb Technology Ltd. System and method for advising wireless computer networks on inter-network interferences
KR101810633B1 (ko) 2014-12-19 2017-12-19 한국전자통신연구원 셀룰러 이동통신시스템에서의 시스템 운용 방법 및 장치
JP6163181B2 (ja) * 2015-08-21 2017-07-12 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
CN105591876B (zh) * 2016-03-04 2019-03-08 重庆邮电大学 一种虚拟网络映射方法
CN108462552B (zh) * 2017-02-17 2022-04-12 华为技术有限公司 一种多码字传输方法及装置
US10764840B2 (en) * 2017-05-05 2020-09-01 Qualcomm Incorporated Sounding reference signal (SRS) coordination, power control, and synchronization for distributed coordinated multipoint (CoMP)
US11419005B2 (en) * 2017-06-16 2022-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and node for decoding or encoding user data based on a joint TBS index and redundant version
CN111328463B (zh) * 2017-11-17 2023-03-31 华为技术有限公司 一种通信方法及装置
US10555191B1 (en) 2019-08-01 2020-02-04 T-Mobile Usa, Inc. Optimum network performance improvement solutions selection systems and methods
US11343683B2 (en) 2020-04-22 2022-05-24 T-Mobile Usa, Inc. Identification and prioritization of optimum capacity solutions in a telecommunications network
US11064382B1 (en) 2020-05-07 2021-07-13 T-Mobile Usa, Inc. Management of telecommunications network congestion on roadways
US11350289B2 (en) 2020-05-14 2022-05-31 T-Mobile Usa, Inc. Identification of indoor and outdoor traffic usage of customers of a telecommunications network
US11153765B1 (en) 2020-05-15 2021-10-19 T-Mobile Usa, Inc. Capacity planning of telecommunications network by detecting anomalies in site behavior

Family Cites Families (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737691A (en) * 1995-07-14 1998-04-07 Motorola, Inc. System and method for allocating frequency channels in a two-way messaging network
GB2304495B (en) 1995-08-15 1999-12-29 Nokia Mobile Phones Ltd Radio resource sharing
EP1056294B1 (en) * 1997-06-09 2002-10-02 Hitachi, Ltd. Image sequence coding method
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
US6182264B1 (en) * 1998-05-22 2001-01-30 Vlsi Technology, Inc. Smart dynamic selection of error correction methods for DECT based data services
US20040042400A1 (en) * 1998-12-18 2004-03-04 Telefonaktiebolaget Lm Ericsson Connection admission control based on bandwidth and buffer usage
DE69923970T2 (de) * 1999-09-14 2006-04-27 Lucent Technologies Inc. Kanaldecodiereinrichtung und Verfahren zum Kanaldecodieren
US7072295B1 (en) * 1999-09-15 2006-07-04 Tellabs Operations, Inc. Allocating network bandwidth
US6597743B1 (en) 1999-12-07 2003-07-22 Ericsson Inc. Reduced search symbol estimation algorithm
US7441045B2 (en) * 1999-12-13 2008-10-21 F5 Networks, Inc. Method and system for balancing load distribution on a wide area network
US6804307B1 (en) * 2000-01-27 2004-10-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient transmit diversity using complex space-time block codes
US6901117B1 (en) * 2000-02-10 2005-05-31 Motorola, Inc. Soft output decoder for convolutional codes
ATE353505T1 (de) * 2000-03-01 2007-02-15 Nokia Corp Verkettete raum-zeit-kodierung
JP2001352258A (ja) 2000-06-08 2001-12-21 Sony Corp 復号装置及び復号方法
JP2002009692A (ja) * 2000-06-23 2002-01-11 Matsushita Electric Ind Co Ltd データ伝送装置及びデータ伝送方法
EP1204283A1 (en) 2000-11-06 2002-05-08 Telefonaktiebolaget L M Ericsson (Publ) Cellular radio network reusing frequencies
US6976087B1 (en) * 2000-11-24 2005-12-13 Redback Networks Inc. Service provisioning methods and apparatus
US7310369B1 (en) * 2000-12-15 2007-12-18 Conexant Systems, Inc. SNR-related parameter estimation method and system
US6987819B2 (en) * 2000-12-29 2006-01-17 Motorola, Inc. Method and device for multiple input/multiple output transmit and receive weights for equal-rate data streams
US7023840B2 (en) * 2001-02-17 2006-04-04 Alcatel Multiserver scheduling system and method for a fast switching element
US7042856B2 (en) * 2001-05-03 2006-05-09 Qualcomm, Incorporation Method and apparatus for controlling uplink transmissions of a wireless communication system
US7421030B2 (en) * 2001-05-08 2008-09-02 Siemens Aktiengesellschaft Method and device for transferring data in a multi-carrier system having parallel concatenated encoding and modulation
US7243295B2 (en) * 2001-06-12 2007-07-10 Intel Corporation Low complexity channel decoders
US20030002505A1 (en) * 2001-06-30 2003-01-02 Hoch Thomas A. Apparatus and method for packet-based switching
JP4149915B2 (ja) * 2001-07-05 2008-09-17 ディーアイ／ディーティー， インコーポレーテッド 絶縁切替え調整器におけるインダクタ電流感知および関連する方法
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
EP1341336B1 (en) * 2002-02-14 2005-07-13 Matsushita Electric Industrial Co., Ltd. Method for controlling the data rate of transmitting data packets in a wireless communications system, receiver and transmitter therefor
US7042858B1 (en) * 2002-03-22 2006-05-09 Jianglei Ma Soft handoff for OFDM
US7251768B2 (en) * 2002-04-22 2007-07-31 Regents Of The University Of Minnesota Wireless communication system having error-control coder and linear precoder
US7224744B2 (en) * 2002-04-22 2007-05-29 Regents Of The University Of Minnesota Space-time multipath coding schemes for wireless communication systems
US7184713B2 (en) * 2002-06-20 2007-02-27 Qualcomm, Incorporated Rate control for multi-channel communication systems
US7095812B2 (en) * 2002-06-24 2006-08-22 Agere Systems Inc. Reduced complexity receiver for space-time- bit-interleaved coded modulation
US7359313B2 (en) * 2002-06-24 2008-04-15 Agere Systems Inc. Space-time bit-interleaved coded modulation for wideband transmission
KR100487183B1 (ko) 2002-07-19 2005-05-03 삼성전자주식회사 터보 부호의 복호 장치 및 방법
EP1394312B1 (de) 2002-08-26 2007-12-26 Benninger Zell GmbH Verfahren zum Schlichten von bahn- oder fadenförmiger Ware
GB2394389B (en) 2002-10-15 2005-05-18 Toshiba Res Europ Ltd Equalisation apparatus and methods
SE0203362D0 (sv) 2002-11-13 2002-11-13 Reddo Networks Ab A method and apparatus for transferring data packets in a router
US20040116146A1 (en) * 2002-12-13 2004-06-17 Sadowsky John S. Cellular system with link diversity feedback
FR2848747A1 (fr) * 2002-12-16 2004-06-18 France Telecom Procede et dispositif multi-antenne de transmission de signaux
US6862552B2 (en) * 2003-01-15 2005-03-01 Pctel, Inc. Methods, apparatus, and systems employing soft decision decoding
US7386057B2 (en) * 2003-02-20 2008-06-10 Nec Corporation Iterative soft interference cancellation and filtering for spectrally efficient high-speed transmission in MIMO systems
US7246295B2 (en) * 2003-04-14 2007-07-17 Agere Systems Inc. Turbo decoder employing simplified log-map decoding
US7574518B2 (en) * 2003-06-23 2009-08-11 Microsoft Corporation System and method for computing low complexity algebraic network codes for a multicast network
JP4227481B2 (ja) * 2003-07-11 2009-02-18 パナソニック株式会社 復号装置および復号方法
US7724838B2 (en) * 2003-09-25 2010-05-25 Qualcomm Incorporated Hierarchical coding with multiple antennas in a wireless communication system
KR100713403B1 (ko) 2003-09-30 2007-05-04 삼성전자주식회사 통신 시스템에서 채널 상태에 따른 송신 방식 제어 장치및 방법
EP1521375A3 (en) * 2003-10-03 2005-04-13 Kabushiki Kaisha Toshiba Signal decoding methods and apparatus
GB2407007B (en) 2003-10-09 2006-06-28 Toshiba Res Europ Ltd Estimator for mimo receiver
US8705659B2 (en) 2003-11-06 2014-04-22 Apple Inc. Communication channel optimization systems and methods in multi-user communication systems
EP1530387A1 (en) * 2003-11-06 2005-05-11 Matsushita Electric Industrial Co., Ltd. Transmission power range setting during channel assignment for interference balancing in a cellular wireless communication system
US7706365B2 (en) 2003-11-25 2010-04-27 California Institute Of Technology Randomized distributed network coding
US7308047B2 (en) * 2003-12-31 2007-12-11 Intel Corporation Symbol de-mapping methods in multiple-input multiple-output systems
US20050185707A1 (en) * 2004-02-24 2005-08-25 Hoo Min C. Method and system for antenna selection diversity with minimum threshold
FR2869182B1 (fr) * 2004-04-20 2008-03-28 Thales Sa Procede de routage dans un reseau ad hoc
WO2005109679A1 (en) * 2004-05-07 2005-11-17 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme
KR20060048106A (ko) * 2004-05-25 2006-05-18 삼성전자주식회사 이동통신 시스템에서 섹터 다이버시티를 제공하는 직교주파수 분할 다중 심벌 전송 방법 및 장치와 시스템
US7564915B2 (en) * 2004-06-16 2009-07-21 Samsung Electronics Co., Ltd. Apparatus and method for coding/decoding pseudo orthogonal space-time block code in a mobile communication system using multiple input multiple output scheme
US7756051B2 (en) * 2004-07-02 2010-07-13 Microsoft Corporation Content distribution using network coding
US7443925B2 (en) 2004-07-20 2008-10-28 Mitsubishi Electric Research Laboratories, Inc. Pilot and data signals for MIMO systems using channel statistics
US7397843B2 (en) * 2004-08-04 2008-07-08 Telefonaktiebolaget L L M Ericsson (Publ) Reduced complexity soft value generation for multiple-input multiple-output (MIMO) joint detection generalized RAKE (JD-GRAKE) receivers
US20060039489A1 (en) * 2004-08-17 2006-02-23 Texas Instruments Incorporated Method and apparatus for providing closed-loop transmit precoding
US7894548B2 (en) 2004-09-03 2011-02-22 Qualcomm Incorporated Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
JP4763703B2 (ja) * 2004-10-01 2011-08-31 エージェンシー フォー サイエンス， テクノロジー アンド リサーチ 信号ベクトルの決定方法及びシステム、並びにコンピュータプログラム要素
KR100938091B1 (ko) 2004-10-13 2010-01-21 삼성전자주식회사 직교주파수다중분할 이동통신시스템에서 블록 부호화기법과 순환 지연 다이버시티 기법을 사용하는 기지국송신 장치 및 방법
US7627051B2 (en) * 2004-11-08 2009-12-01 Samsung Electronics Co., Ltd. Method of maximizing MIMO system performance by joint optimization of diversity and spatial multiplexing
US8458467B2 (en) * 2005-06-21 2013-06-04 Cisco Technology, Inc. Method and apparatus for adaptive application message payload content transformation in a network infrastructure element
US7446925B2 (en) * 2004-11-26 2008-11-04 Alces Technology Micro-electromechanical light modulator with anamorphic optics
KR101099621B1 (ko) 2004-12-07 2011-12-29 에스케이 텔레콤주식회사 일반화된 직교 공간-시간 블록 부호 방식을 사용하는 다입다출력 이동통신 시스템에서의 최적 전력 할당 방법
US7414978B2 (en) * 2004-12-30 2008-08-19 Massachusetts Institute Of Technology Minimum-cost routing with network coding
US8102837B2 (en) * 2004-12-30 2012-01-24 Massachusetts Institute Of Technology Network coding approach to rapid information dissemination
US7433432B2 (en) * 2004-12-31 2008-10-07 Broadcom Corporation Adaptive detector for multiple-data-path systems
JP4530274B2 (ja) * 2005-01-11 2010-08-25 株式会社リコー 符号処理装置、符号処理方法、プログラム及び情報記録媒体
JP4841615B2 (ja) * 2005-03-14 2011-12-21 テルコーディア ライセンシング カンパニー， リミテッド ライアビリティ カンパニー グループ単位のデマッピングを用いる繰り返しｍｉｍｏ受信機
JP4429945B2 (ja) 2005-03-23 2010-03-10 株式会社エヌ・ティ・ティ・ドコモ Ｍｉｍｏ多重通信装置および信号分離方法
US8180314B2 (en) * 2006-03-08 2012-05-15 Broadcom Corporation Method and system for utilizing givens rotation to reduce feedback information overhead
US7715863B2 (en) * 2005-06-01 2010-05-11 Nec Laboratories America, Inc. Throughput maximization using quantized rate control in multiple antenna communication
US8738053B2 (en) * 2005-09-21 2014-05-27 Broadcom Corporation Method and system for finding a threshold for semi-orthogonal user group selection in multiuser MIMO downlink transmission
US7948959B2 (en) 2005-10-27 2011-05-24 Qualcomm Incorporated Linear precoding for time division duplex system
US20070121499A1 (en) * 2005-11-28 2007-05-31 Subhasis Pal Method of and system for physically distributed, logically shared, and data slice-synchronized shared memory switching
EP1964279B1 (en) 2005-12-22 2012-02-08 Telefonaktiebolaget L M Ericsson (publ) Token based radio resource management
US8660210B2 (en) 2006-01-23 2014-02-25 Qualcomm Incorporated Method of packet format dependent selection of MIMO-OFDM demodulator
JP2007243425A (ja) * 2006-03-07 2007-09-20 Nec Corp 通信システム、無線基地局装置、およびスケジューリング方法
US8914015B2 (en) * 2006-03-20 2014-12-16 Qualcomm Incorporated Grouping of users for MIMO transmission in a wireless communication system
US9130791B2 (en) * 2006-03-20 2015-09-08 Qualcomm Incorporated Uplink channel estimation using a signaling channel
CA2541567C (en) 2006-03-31 2012-07-17 University Of Waterloo Parallel soft spherical mimo receiver and decoding method
SG171638A1 (en) 2006-05-04 2011-06-29 Agency Science Tech & Res Method and system for determining a signal vector
US8194760B2 (en) * 2006-06-01 2012-06-05 Ntt Docomo, Inc. Method and apparatus for distributed space-time coding in wireless radio networks
JP5230912B2 (ja) * 2006-06-08 2013-07-10 ラピスセミコンダクタ株式会社 半導体集積回路装置の製造方法
US7895497B2 (en) * 2006-06-26 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method using reduced memory for channel decoding in a software-defined radio system
JP4709119B2 (ja) * 2006-10-13 2011-06-22 ルネサスエレクトロニクス株式会社 復号装置及び復号方法
US9130618B2 (en) * 2006-10-26 2015-09-08 Alcatel Lucent MIMO communication system with variable slot structure
US7818023B2 (en) * 2006-10-27 2010-10-19 Qualcomm Incorporated Power allocation scheme
US7877097B2 (en) * 2006-11-06 2011-01-25 Fujitsu Limited Reuse pattern network scheduling using interference levels
US8027407B2 (en) * 2006-11-06 2011-09-27 Ntt Docomo, Inc. Method and apparatus for asynchronous space-time coded transmission from multiple base stations over wireless radio networks
US8042031B2 (en) * 2006-12-21 2011-10-18 Industrial Technology Research Institute Maximum likelihood detection method and system
US8005164B2 (en) * 2007-03-02 2011-08-23 Intel Corporation Link adaptation and antenna selection in cooperative multiple access systems
JP2010528503A (ja) 2007-05-18 2010-08-19 株式会社エヌ・ティ・ティ・ドコモ 適応軟出力ｍアルゴリズム受信器構造
US20090285323A1 (en) * 2008-05-15 2009-11-19 Sundberg Carl-Erik W Adaptive soft output m-algorithm receiver structures
US20090070746A1 (en) 2007-09-07 2009-03-12 Dinakar Dhurjati Method for test suite reduction through system call coverage criterion
US8325840B2 (en) * 2008-02-25 2012-12-04 Ntt Docomo, Inc. Tree position adaptive soft output M-algorithm receiver structures
US8279954B2 (en) * 2008-03-06 2012-10-02 Ntt Docomo, Inc. Adaptive forward-backward soft output M-algorithm receiver structures
US8559359B2 (en) * 2008-04-29 2013-10-15 Qualcomm Incorporated Information exchange mechanisms to achieve network QoS in wireless cellular systems
US8233926B2 (en) * 2008-05-22 2012-07-31 Futurewei Technologies, Inc. Spatial mode adaptation at the cell edge using interferer spatial correlation
US8565329B2 (en) * 2008-06-03 2013-10-22 Ntt Docomo, Inc. Soft output M-algorithm receiver structures with generalized survivor selection criteria for MIMO systems
US8451951B2 (en) 2008-08-15 2013-05-28 Ntt Docomo, Inc. Channel classification and rate adaptation for SU-MIMO systems

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