HK1001651A1 - A space division multiple access radio communication system and method for allocating channels therein - Google Patents

A space division multiple access radio communication system and method for allocating channels therein

Info

Publication number
HK1001651A1
HK1001651A1 HK98100614A HK98100614A HK1001651A1 HK 1001651 A1 HK1001651 A1 HK 1001651A1 HK 98100614 A HK98100614 A HK 98100614A HK 98100614 A HK98100614 A HK 98100614A HK 1001651 A1 HK1001651 A1 HK 1001651A1
Authority
HK
Hong Kong
Prior art keywords
communication system
radio communication
multiple access
division multiple
space division
Prior art date
Application number
HK98100614A
Other languages
English (en)
Inventor
Simon Reza Saunders
Original Assignee
Motorola Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Ltd filed Critical Motorola Ltd
Publication of HK1001651A1 publication Critical patent/HK1001651A1/xx

Links

Classifications

    • 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
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
HK98100614A 1996-01-27 1998-01-23 A space division multiple access radio communication system and method for allocating channels therein HK1001651A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9601678A GB2309616B (en) 1996-01-27 1996-01-27 A space division multiple access radio communication system and method for allocating channels therein

Publications (1)

Publication Number Publication Date
HK1001651A1 true HK1001651A1 (en) 1998-07-03

Family

ID=10787682

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100614A HK1001651A1 (en) 1996-01-27 1998-01-23 A space division multiple access radio communication system and method for allocating channels therein

Country Status (10)

Country Link
US (1) US5909649A (fr)
EP (1) EP0786914B1 (fr)
JP (1) JPH09215052A (fr)
CN (1) CN1087566C (fr)
AU (1) AU704787B2 (fr)
CA (1) CA2190234C (fr)
DE (1) DE69631870T2 (fr)
GB (1) GB2309616B (fr)
HK (1) HK1001651A1 (fr)
IL (1) IL119571A (fr)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697633B1 (en) * 1995-06-02 2004-02-24 Northrop Grummar Corporation Method permitting increased frequency re-use in a communication network, by recovery of transmitted information from multiple cochannel signals
GB2309616B (en) * 1996-01-27 2000-05-17 Motorola Ltd A space division multiple access radio communication system and method for allocating channels therein
GB2309858B (en) * 1996-01-31 2000-08-23 Motorola Ltd Apparatus and method for channel allocation
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
FI103618B1 (fi) * 1997-07-04 1999-07-30 Nokia Telecommunications Oy Vastaanotetun signaalin tulkitseminen
US6466557B1 (en) 1997-07-14 2002-10-15 Sanyo Electric Co., Ltd. Transmission channel allocation method and allocation apparatus
KR100468820B1 (ko) * 1997-08-04 2005-03-16 삼성전자주식회사 가중치기억장치를이용한적응위상배열안테나
IT1295808B1 (it) * 1997-11-04 1999-05-27 Cselt Centro Studi Lab Telecom Procedimento per l'assegnazione dei canali in un sistema di comunicazone tra mezzi mobili con accesso multiplo a divisione di
US6694154B1 (en) * 1997-11-17 2004-02-17 Ericsson Inc. Method and apparatus for performing beam searching in a radio communication system
US6154661A (en) * 1997-12-10 2000-11-28 Arraycomm, Inc. Transmitting on the downlink using one or more weight vectors determined to achieve a desired radiation pattern
FI108178B (fi) 1997-12-16 2001-11-30 Nokia Networks Oy Tietoliikenneverkon kapasiteetin kasvattaminen
US6047178A (en) * 1997-12-19 2000-04-04 Nortel Networks Corporation Direct communication wireless radio system
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US6052085A (en) * 1998-06-05 2000-04-18 Motorola, Inc. Method and system for beamforming at baseband in a communication system
DE69912734T2 (de) 1999-03-12 2004-05-27 Motorola, Inc., Schaumburg Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
JP3213601B2 (ja) * 1999-05-31 2001-10-02 三洋電機株式会社 無線基地局
DE69938185T2 (de) * 1999-12-21 2009-07-23 Lucent Technologies Inc. Eine Methode und ein Apparat zum Betrieb eines zellularen Telekommunikationsystems
JP3374971B2 (ja) * 2000-01-18 2003-02-10 株式会社ワイ・アール・ピー移動通信基盤技術研究所 チャネル割り当て方法および装置
TW468316B (en) 2000-02-03 2001-12-11 Acer Peripherals Inc Non-spatial division multiple access wireless communication system providing SDMA communication channels and its method
JP3520026B2 (ja) * 2000-04-03 2004-04-19 三洋電機株式会社 無線基地局、その制御方法およびプログラム記録媒体
US6823021B1 (en) 2000-10-27 2004-11-23 Greenwich Technologies Associates Method and apparatus for space division multiple access receiver
US6608588B2 (en) 2000-05-05 2003-08-19 Greenwich Technologies Associates Remote sensing using Rayleigh signaling
US7965794B2 (en) * 2000-05-05 2011-06-21 Greenwich Technologies Associates Method and apparatus for broadcasting with spatially diverse signals
JP3574055B2 (ja) * 2000-08-25 2004-10-06 三洋電機株式会社 無線基地局
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US7043259B1 (en) 2000-09-29 2006-05-09 Arraycomm, Inc. Repetitive paging from a wireless data base station having a smart antenna system
DE10112576C2 (de) * 2001-03-15 2003-07-17 Siemens Ag Verfahren zur Zuweisung von Übertragungskapazitäten in einem Funk-Kommunikationssystem mit Hilfe von adaptiven Antennen
US6999771B1 (en) * 2001-09-28 2006-02-14 Arraycomm Llc Channel assignments in a wireless communication system having spatial channels including grouping existing subscribers in anticipation of a new subscriber
CN1306722C (zh) * 2001-10-31 2007-03-21 松下电器产业株式会社 无线发射装置和无线通信方法
JP3997890B2 (ja) * 2001-11-13 2007-10-24 松下電器産業株式会社 送信方法及び送信装置
JP3939165B2 (ja) * 2002-02-20 2007-07-04 三洋電機株式会社 無線装置、無線通信システム、空間パス制御方法および空間パス制御プログラム
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US7539496B1 (en) * 2002-03-28 2009-05-26 Intel Corporation Channel assignment based on spatial strategies in a wireless network using adaptive antenna arrays
CN100365962C (zh) * 2002-06-18 2008-01-30 华为技术有限公司 一种智能天线的开关波束－自适应二级基带接收方法及其系统
JP4289854B2 (ja) * 2002-09-20 2009-07-01 京セラ株式会社 無線基地装置、移動端末装置、参照信号制御方法および参照信号制御プログラム
US7277730B2 (en) * 2002-12-26 2007-10-02 Nokia Corporation Method of allocating radio resources in telecommunication system, and telecommunication system
US6894993B2 (en) * 2002-12-27 2005-05-17 Arraycomm, Inc. Detection and correction of channel swap in spatial division multiple access systems
US8422380B2 (en) 2003-03-26 2013-04-16 Sharp Laboratories Of America, Inc. Dynamically reconfigurable wired network
US20050007979A1 (en) * 2003-07-07 2005-01-13 Intel Corporation Uniform channel spreading in a wireless local area network using dynamic frequency selection
US20050111427A1 (en) * 2003-11-21 2005-05-26 Qinghua Li SDMA training and operation
US7206550B2 (en) 2003-12-29 2007-04-17 Intel Corporation Antenna subsystem calibration apparatus and methods in spatial-division multiple-access systems
US8369790B2 (en) 2003-12-30 2013-02-05 Intel Corporation Communication overhead reduction apparatus, systems, and methods
US7804762B2 (en) * 2003-12-30 2010-09-28 Intel Corporation Method and apparatus for implementing downlink SDMA in a wireless network
JP4241440B2 (ja) * 2004-03-03 2009-03-18 株式会社日立製作所 パケットスケジュール方法及び無線通信装置
US7257088B2 (en) * 2004-05-11 2007-08-14 3Com Corporation SDMA system using MU-SIMO for the uplink and MU-MISO for the downlink
US8363603B2 (en) 2005-06-16 2013-01-29 Qualcomm Incorporated User separation in space division multiple access for a multi-carrier communication system
US7602837B2 (en) 2005-10-20 2009-10-13 Freescale Semiconductor, Inc. Beamforming for non-collaborative, space division multiple access systems
US8170830B2 (en) * 2006-08-22 2012-05-01 Jacobs James P Method and system for providing tolerance to interference and obstructions of line of sight
US8374650B2 (en) * 2006-09-27 2013-02-12 Apple, Inc. Methods for optimal collaborative MIMO-SDMA
US8626104B2 (en) * 2006-09-28 2014-01-07 Apple Inc. Generalized codebook design method for limited feedback systems
US7702029B2 (en) 2006-10-02 2010-04-20 Freescale Semiconductor, Inc. MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding
JP2008141255A (ja) 2006-11-29 2008-06-19 Kyocera Corp 無線通信方法及び無線通信装置
US8073069B2 (en) * 2007-01-05 2011-12-06 Apple Inc. Multi-user MIMO-SDMA for finite rate feedback systems
US8020075B2 (en) 2007-03-16 2011-09-13 Apple Inc. Channel quality index feedback reduction for broadband systems
US7961807B2 (en) 2007-03-16 2011-06-14 Freescale Semiconductor, Inc. Reference signaling scheme using compressed feedforward codebooks for multi-user, multiple input, multiple output (MU-MIMO) systems
US7809074B2 (en) * 2007-03-16 2010-10-05 Freescale Semiconductor, Inc. Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals
US8547986B2 (en) * 2007-04-30 2013-10-01 Apple Inc. System and method for resource block-specific control signaling
JP5059492B2 (ja) 2007-06-13 2012-10-24 京セラ株式会社 無線通信方法および無線通信装置
US7978623B1 (en) * 2008-03-22 2011-07-12 Freescale Semiconductor, Inc. Channel rank updates in multiple-input multiple-output communication systems
US20100102781A1 (en) * 2008-10-24 2010-04-29 Sony Ericsson Mobile Communications Ab Apparatus and method for charging a battery
GB2466280A (en) * 2008-12-18 2010-06-23 Inmarsat Global Ltd Multi-access communication in which plural transmissions share timing and frequency resources but have different waveforms or propagation characteristics
CN102833869B (zh) * 2011-06-16 2017-04-12 中兴通讯股份有限公司 空分复用用户的选择方法和系统
US10035198B2 (en) 2011-11-15 2018-07-31 Kennametal Inc. Double-sided, indexable cutting insert with ramping capability and cutting tool therefor
EP2858291B1 (fr) * 2013-10-03 2017-06-07 Telefonaktiebolaget LM Ericsson (publ) Réduction d'interférence de noeud caché
US20160087336A1 (en) * 2014-09-24 2016-03-24 Alexander Maltsev Systems and methods for optimizing wireless communication
CN106685608B (zh) * 2015-11-05 2020-03-24 电信科学技术研究院 一种车路协同通信系统的资源调度方法、装置及节点
JP7128807B2 (ja) * 2017-04-28 2022-08-31 株式会社Ｎｔｔドコモ 無線基地局およびユーザ端末

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
US5592490A (en) * 1991-12-12 1997-01-07 Arraycomm, Inc. Spectrally efficient high capacity wireless communication systems
WO1994009568A1 (fr) * 1992-10-09 1994-04-28 E-Systems, Inc. Systeme de reduction adaptative du brouillage dans le meme canal pour stations centrales de base de telephones cellulaires
FI933129A0 (fi) * 1993-07-08 1993-07-08 Nokia Mobile Phones Ltd Dataoeverfoeringsfoerfarande foer ett digitalt cellulaert mobiltelefonsystem och ett digitalt cellulaert mobiltelefonsystem
TW351886B (en) * 1993-09-27 1999-02-01 Ericsson Telefon Ab L M Using two classes of channels with different capacity
JP2556279B2 (ja) * 1993-12-14 1996-11-20 日本電気株式会社 移動通信システムの無線回線制御方式
US5566209A (en) * 1994-02-10 1996-10-15 Telefonaktiebolaget Lm Ericsson Transceiver algorithms of antenna arrays
WO1996000484A1 (fr) * 1994-06-23 1996-01-04 Telefonaktiebolaget Lm Ericsson Commutation intra-cellule avec des reseaux d'antennes
US5572221A (en) * 1994-10-26 1996-11-05 Telefonaktiebolaget Lm Ericsson Method and apparatus for detecting and predicting motion of mobile terminals
GB2309616B (en) * 1996-01-27 2000-05-17 Motorola Ltd A space division multiple access radio communication system and method for allocating channels therein

Also Published As

Publication number Publication date
JPH09215052A (ja) 1997-08-15
CN1164170A (zh) 1997-11-05
CA2190234C (fr) 2003-05-06
DE69631870T2 (de) 2005-01-05
IL119571A0 (en) 1997-02-18
CN1087566C (zh) 2002-07-10
EP0786914A3 (fr) 1998-12-16
US5909649A (en) 1999-06-01
IL119571A (en) 2001-01-28
AU704787B2 (en) 1999-05-06
DE69631870D1 (de) 2004-04-22
CA2190234A1 (fr) 1997-07-28
GB2309616B (en) 2000-05-17
GB9601678D0 (en) 1996-03-27
AU7173096A (en) 1997-07-31
EP0786914A2 (fr) 1997-07-30
GB2309616A (en) 1997-07-30
EP0786914B1 (fr) 2004-03-17

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080127