TWI350671B - Systems and methods for reduced overhead in wireless communication networks having sdma modulation - Google Patents

Systems and methods for reduced overhead in wireless communication networks having sdma modulation

Info

Publication number
TWI350671B
TWI350671B TW096122520A TW96122520A TWI350671B TW I350671 B TWI350671 B TW I350671B TW 096122520 A TW096122520 A TW 096122520A TW 96122520 A TW96122520 A TW 96122520A TW I350671 B TWI350671 B TW I350671B
Authority
TW
Taiwan
Prior art keywords
systems
methods
wireless communication
communication networks
reduced overhead
Prior art date
Application number
TW096122520A
Other languages
English (en)
Other versions
TW200810415A (en
Inventor
Manyuan Shen
Guanbin Xing
Original Assignee
Adaptix 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 Adaptix Inc filed Critical Adaptix Inc
Publication of TW200810415A publication Critical patent/TW200810415A/zh
Application granted granted Critical
Publication of TWI350671B publication Critical patent/TWI350671B/zh

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
    • H04B7/06—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
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
TW096122520A 2006-07-21 2007-06-22 Systems and methods for reduced overhead in wireless communication networks having sdma modulation TWI350671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/491,554 US20080020772A1 (en) 2006-07-21 2006-07-21 Systems and methods for reduced overhead in wireless communication networks having SDMA modulation

Publications (2)

Publication Number Publication Date
TW200810415A TW200810415A (en) 2008-02-16
TWI350671B true TWI350671B (en) 2011-10-11

Family

ID=38957493

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096122520A TWI350671B (en) 2006-07-21 2007-06-22 Systems and methods for reduced overhead in wireless communication networks having sdma modulation

Country Status (3)

Country Link
US (1) US20080020772A1 (zh)
TW (1) TWI350671B (zh)
WO (1) WO2008011320A2 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080182625A1 (en) * 2007-01-30 2008-07-31 Broadcom Corporation, A California Corporation RF transeiver system with antenna configuration control and methods for use therewith
US8036099B2 (en) * 2007-09-06 2011-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for linearly precoding downlink transmissions to reduce temporal variations in interference
KR101119249B1 (ko) 2008-03-26 2012-03-19 서강대학교산학협력단 분산 안테나 시스템에서 신호 처리 장치 및 방법
US8385288B2 (en) 2008-08-20 2013-02-26 Qualcomm Incorporated Multi-channel SDMA
US8654715B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated Systems and methods providing mobile transmit diversity
US8654705B2 (en) 2008-10-24 2014-02-18 Qualcomm Incorporated System and method for supporting multiple reverse link data streams
US8670717B2 (en) * 2008-11-27 2014-03-11 Futurewei Technologies, Inc. System and method for enabling coordinated beam switching and scheduling
US9059760B2 (en) * 2010-02-05 2015-06-16 Qualcomm Incorporated Apparatus and method for enabling uplink beamforming transit diversity
JP5690200B2 (ja) * 2011-04-26 2015-03-25 京セラ株式会社 基地局
CN103236998B (zh) * 2013-04-19 2017-02-08 北京航空航天大学 空地无线信号处理方法及装置
US9590744B2 (en) * 2013-05-06 2017-03-07 Alcatel Lucent Method and apparatus for beamforming
KR102172442B1 (ko) * 2014-02-19 2020-10-30 삼성전자주식회사 우선 순위를 갖는 송신 빔 인덱스 선택 및 할당 방법 및 장치
US10530456B2 (en) * 2018-03-15 2020-01-07 Samsung Electronics Co., Ltd. Methods of radio front-end beam management for 5G terminals

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359923B1 (en) * 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
US6870808B1 (en) * 2000-10-18 2005-03-22 Adaptix, Inc. Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks
US6947748B2 (en) * 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
GB2376567B (en) * 2001-06-12 2005-07-20 Mobisphere Ltd Improvements in or relating to smart antenna arrays
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
US6999794B1 (en) * 2002-06-28 2006-02-14 Arraycomm Llc Transmission of a common pilot channel from a beamforming transmit antenna array
US7573851B2 (en) * 2004-12-07 2009-08-11 Adaptix, Inc. Method and system for switching antenna and channel assignments in broadband wireless networks
CN1870461B (zh) * 2005-05-24 2011-06-01 都科摩（北京）通信技术研究中心有限公司 基于随机发射波束成形的mimo系统及其用户调度方法
US7907911B2 (en) * 2005-08-16 2011-03-15 Alcatel-Lucent Usa Inc. Scheduling multi-user transmission in the downlink of a multi-antenna wireless communication system
US7656965B2 (en) * 2005-12-29 2010-02-02 Celeno Communications (Israel) Ltd. Method of secure WLAN communication
KR101002877B1 (ko) * 2007-03-06 2010-12-21 한국과학기술원 통신시스템에서 다중 사용자 스케쥴링 방법 및 장치

Also Published As

Publication number Publication date
TW200810415A (en) 2008-02-16
WO2008011320A2 (en) 2008-01-24
WO2008011320A3 (en) 2008-04-10
US20080020772A1 (en) 2008-01-24

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MM4A Annulment or lapse of patent due to non-payment of fees