TW201141082A - Method and apparatus for switching between single user detection and multi user detection - Google Patents

Method and apparatus for switching between single user detection and multi user detection Download PDF

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Publication number
TW201141082A
TW201141082A TW100102163A TW100102163A TW201141082A TW 201141082 A TW201141082 A TW 201141082A TW 100102163 A TW100102163 A TW 100102163A TW 100102163 A TW100102163 A TW 100102163A TW 201141082 A TW201141082 A TW 201141082A
Authority
TW
Taiwan
Prior art keywords
channel
subspace
received power
received
residual interference
Prior art date
Application number
TW100102163A
Other languages
English (en)
Chinese (zh)
Inventor
Kapil Bhattad
Peter Gaal
Alexei Yurievitch Gorokhov
Juan Montojo
Naga Bhushan
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW201141082A publication Critical patent/TW201141082A/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0452Multi-user MIMO systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0697Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using spatial multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/0871Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • H04L25/085Arrangements for reducing interference in line transmission systems, e.g. by differential transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW100102163A 2010-01-20 2011-01-20 Method and apparatus for switching between single user detection and multi user detection TW201141082A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29672010P 2010-01-20 2010-01-20
US13/009,174 US8983389B2 (en) 2010-01-20 2011-01-19 Method and apparatus for switching between single user detection and multi user detection

Publications (1)

Publication Number Publication Date
TW201141082A true TW201141082A (en) 2011-11-16

Family

ID=43734072

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100102163A TW201141082A (en) 2010-01-20 2011-01-20 Method and apparatus for switching between single user detection and multi user detection

Country Status (7)

Country Link
US (1) US8983389B2 (https=)
EP (1) EP2526634B1 (https=)
JP (1) JP5657699B2 (https=)
KR (1) KR101433294B1 (https=)
CN (1) CN102714531B (https=)
TW (1) TW201141082A (https=)
WO (1) WO2011146146A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110048422A (ko) * 2009-11-02 2011-05-11 주식회사 팬택 채널 정보 피드백 장치와 그를 이용하는 통신단말장치 및 기지국 장치
US8238496B1 (en) * 2010-05-18 2012-08-07 Applied Micro Circuits Corporation Multiuser multiple-input multiple-output (MU-MIMO) channel estimation for multicarrier communications
AU2011363817B2 (en) * 2011-03-31 2016-03-03 Sun Patent Trust Method of feeding back MU-CQI in a communication system, transmission point device, and user equipment
US9215694B2 (en) 2011-12-22 2015-12-15 Qualcomm Incorporated Reference signals design for time tracking in LTE-A
AU2013249974B2 (en) * 2012-04-17 2016-02-18 Telefonaktiebolaget L M Ericsson (Publ) Single carrier mode switching in component carrier receiver
US8842782B2 (en) * 2012-05-10 2014-09-23 Intel Mobile Communications GmbH Apparatus and method for decoding a received signal
US8781027B2 (en) 2012-05-10 2014-07-15 Intel Mobile Communications GmbH Apparatus and method for determining a precoding matrix
WO2015085588A1 (en) * 2013-12-13 2015-06-18 Qualcomm Incorporated Ue reference signal based channel estimation
US9998185B2 (en) * 2015-03-27 2018-06-12 Newracom, Inc. Aggregation methods and systems for multi-user MIMO or OFDMA operation
CN106470056B (zh) * 2015-08-21 2019-07-23 上海诺基亚贝尔股份有限公司 确定mimo模式间切换发生时的sinr阈值的方法与设备
EP3310013B1 (en) * 2016-10-13 2020-07-15 Nokia Technologies Oy Sharing resources in an unlicensed frequency band
CN108462551B (zh) * 2017-02-17 2020-10-23 瑞昱半导体股份有限公司 解调方法及接收装置
CN107515335A (zh) * 2017-09-01 2017-12-26 江苏爱吉亚电子科技有限公司 利用mu‑mimo技术的ota测试系统
WO2019100244A1 (zh) * 2017-11-22 2019-05-31 华为技术有限公司 波束分配方法及装置
CN110120830B (zh) * 2018-02-07 2020-11-06 上海朗帛通信技术有限公司 一种基站、用户设备中的用于无线通信的方法和装置
CN115941117B (zh) * 2022-11-18 2024-05-31 哲库科技(北京)有限公司 检测方法、基带芯片、通信设备及检测装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3797510B2 (ja) 1997-07-16 2006-07-19 ソニー株式会社 通信方法、送信装置、受信装置及びセルラー無線通信システム
US7016436B1 (en) 1999-12-17 2006-03-21 Ericsson, Inc. Selective joint demodulation systems and methods for receiving a signal in the presence of noise and interference
US6832080B1 (en) * 2000-09-12 2004-12-14 Ericsson, Inc. Apparatus for and method of adapting a radio receiver using control functions
US20030125040A1 (en) * 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
JPWO2005029723A1 (ja) 2003-09-18 2006-11-30 三菱電機株式会社 移動体通信端末
US8804883B2 (en) * 2004-06-08 2014-08-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reduced interference signal demodulation
JP4913641B2 (ja) 2007-03-20 2012-04-11 株式会社エヌ・ティ・ティ・ドコモ 基地局、通信端末、送信方法、受信方法、通信システム
JP4755137B2 (ja) 2007-05-01 2011-08-24 株式会社エヌ・ティ・ティ・ドコモ 基地局装置及び通信制御方法
JP5344121B2 (ja) * 2008-06-30 2013-11-20 日本電気株式会社 シングルキャリア伝送方式における無線通信方法および装置

Also Published As

Publication number Publication date
US20120021688A1 (en) 2012-01-26
US8983389B2 (en) 2015-03-17
JP5657699B2 (ja) 2015-01-21
JP2013517747A (ja) 2013-05-16
CN102714531B (zh) 2015-11-25
WO2011146146A1 (en) 2011-11-24
EP2526634A1 (en) 2012-11-28
EP2526634B1 (en) 2019-11-13
CN102714531A (zh) 2012-10-03
KR101433294B1 (ko) 2014-08-22
KR20120123447A (ko) 2012-11-08

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