AR067050A1 - Generacion de un libro de codigos de nodo b - Google Patents

Generacion de un libro de codigos de nodo b

Info

Publication number
AR067050A1
AR067050A1 ARP080102599A ARP080102599A AR067050A1 AR 067050 A1 AR067050 A1 AR 067050A1 AR P080102599 A ARP080102599 A AR P080102599A AR P080102599 A ARP080102599 A AR P080102599A AR 067050 A1 AR067050 A1 AR 067050A1
Authority
AR
Argentina
Prior art keywords
book
generation
code book
beam shaping
wtrus
Prior art date
Application number
ARP080102599A
Other languages
English (en)
Inventor
Erdem Bala
Kyle Jung-Lin Pan
Robert L Olesen
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of AR067050A1 publication Critical patent/AR067050A1/es

Links

Classifications

    • 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
    • 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
    • H04B7/0417—Feedback systems
    • 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
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0663—Feedback reduction using vector or matrix manipulations
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

Un método y aparato generan un libro de codigos y senalizacion de control y programacion asociada. Una pluralidad de combinaciones de canal es generada para una pluralidad de unidades inalámbricas de transmision/recepcion (WTRUs). El canal para cada WTRU es cuantizado en base al libro de codigos de WTRU. Un libro de codigos para conformacion de haz es generado para una pluralidad de WTRUs. El libro de codigos incluye una pluralidad de matrices de conformacion de haz, Todas las posibles matrices de conformacion de haz pueden ser calculadas y el libro de codigos puede ser cuantizado.
ARP080102599A 2007-06-19 2008-06-19 Generacion de un libro de codigos de nodo b AR067050A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94491207P 2007-06-19 2007-06-19

Publications (1)

Publication Number Publication Date
AR067050A1 true AR067050A1 (es) 2009-09-30

Family

ID=39811775

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP080102599A AR067050A1 (es) 2007-06-19 2008-06-19 Generacion de un libro de codigos de nodo b

Country Status (4)

Country Link
US (1) US20080316935A1 (es)
AR (1) AR067050A1 (es)
TW (1) TW200901697A (es)
WO (1) WO2008157167A2 (es)

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US8064849B2 (en) * 2008-02-07 2011-11-22 Telefonaktiebolaget Lm Ericsson (Publ) Precoding for multiple anntennas
US8964651B2 (en) * 2008-02-14 2015-02-24 Qualcomm Incorporated Traffic management employing interference management messages
US8767541B2 (en) * 2008-02-14 2014-07-01 Qualcomm Incorporated Scheduling policy-based traffic management
US8737314B2 (en) * 2008-02-14 2014-05-27 Qualcomm Incorporated Traffic management for multi-hop wireless communication
US8351455B2 (en) * 2008-04-04 2013-01-08 Futurewei Technologies, Inc. System and method for multi-stage zero forcing beamforming in a wireless communications system
US8396162B2 (en) * 2008-11-03 2013-03-12 Motorola Mobility Llc Method and apparatus for choosing a modulation and coding rate in a multi-user, MIMO communication system
US8743985B2 (en) * 2009-01-05 2014-06-03 Intel Corporation Method and apparatus using a base codebook structure for beamforming
EP2209220A1 (en) * 2009-01-19 2010-07-21 ST-Ericsson (France) SAS Process for beamforming data to be transmitted by a base station in a MU-MIMO system and apparatus for performing the same
CN102349313B (zh) * 2009-04-06 2014-05-28 马维尔国际贸易有限公司 用于多用户mimo通信***的改进型反馈策略
CN101989870A (zh) * 2009-08-05 2011-03-23 株式会社Ntt都科摩 获取信道质量指示信息的方法及基站
CN102006145B (zh) * 2009-09-02 2014-08-13 华为技术有限公司 一种多输入多输出***中的预编码方法和装置
KR101584993B1 (ko) * 2009-09-09 2016-01-14 삼성전자주식회사 복수의 송/수신 페어들의 송/수신 모드를 선택하는 방법 및 장치
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EP2442509B1 (en) * 2010-02-17 2013-05-08 Research In Motion Limited System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission
US9438320B2 (en) 2010-09-01 2016-09-06 Interdigital Patent Holdings, Inc. Iterative nonlinear precoding and feedback for multi-user multiple-input multiple-output (MU-MIMO) with channel state information (CSI) impairments
KR101359829B1 (ko) 2011-06-17 2014-02-10 충북대학교 산학협력단 코드북 기반의 다중 송수신 안테나 시스템에서의 코드북 인덱스 탐색 방법 및 이를 기록한 기록매체
US9769676B2 (en) * 2012-10-19 2017-09-19 Industrial Technology Research Institute Method of handling beamforming feedback in a wireless communication system and related communication device
CN104283634B (zh) * 2013-07-08 2019-07-30 中兴通讯股份有限公司 一种数据的发送方法、接收方法、***及装置
US9479298B2 (en) 2013-07-08 2016-10-25 Intel IP Corporation Demodulation reference signals (DMRS)for side information for interference cancellation
EP3157216B1 (en) * 2014-06-12 2022-01-19 Alcatel Lucent Method and device for acquiring downlink data in large-scale mimo system
KR101616636B1 (ko) * 2014-10-16 2016-04-28 영남대학교 산학협력단 듀얼 모드 빔포밍 방법 및 장치
US10608728B2 (en) 2016-04-01 2020-03-31 Apple Inc. Communication device and method for reducing interference
WO2018023221A1 (zh) * 2016-07-30 2018-02-08 华为技术有限公司 一种信道信息传输装置、方法和***
JP6732222B2 (ja) * 2016-09-29 2020-07-29 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． チャネル状態情報を送信するための方法および装置
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Also Published As

Publication number Publication date
TW200901697A (en) 2009-01-01
WO2008157167A3 (en) 2009-02-19
US20080316935A1 (en) 2008-12-25
WO2008157167A2 (en) 2008-12-24

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