CN102077484A - 针对单小区mbms传输的合成波束赋形方法和系统 - Google Patents

针对单小区mbms传输的合成波束赋形方法和系统 Download PDF

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Publication number
CN102077484A
CN102077484A CN200880130051.9A CN200880130051A CN102077484A CN 102077484 A CN102077484 A CN 102077484A CN 200880130051 A CN200880130051 A CN 200880130051A CN 102077484 A CN102077484 A CN 102077484A
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Prior art keywords
doa
weight coefficient
doa information
wave beam
information
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CN200880130051.9A
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CN102077484B (zh
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张碧军
陈宇
胡中骥
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Nokia Shanghai Bell Co Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

提供了一种用于MBMS传输的波束赋形系统和方法。该方法包括：通过上行链路估计而获得每个用户的DoA信息；基于获得的DoA信息来计算波束赋形加权系数；根据波束赋形加权系数，生成合成加权系数。该方法还包括判断用户数量。在判断出MBMS用户数量小于预定阈值时，根据所有获得的DoA信息来计算波束赋形加权系数；在判断出MBMS用户数量大于预定阈值时，则首先对获得的DoA信息进行分组，从每一组中选择一个DoA信息来计算波束赋形加权系数。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN200880130051.9A 2008-08-07 2008-08-07 针对单小区mbms传输的合成波束赋形方法和系统 Active CN102077484B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2008/001441 WO2010015108A1 (zh) 2008-08-07 2008-08-07 针对单小区mbms传输的合成波束赋形方法和系统

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CN102077484A true CN102077484A (zh) 2011-05-25
CN102077484B CN102077484B (zh) 2013-10-16

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CN (1) CN102077484B (zh)
WO (1) WO2010015108A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110546967A (zh) * 2017-03-09 2019-12-06 Lg电子株式会社 基于波束接收mbms服务的方法及装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102029336B1 (ko) * 2012-08-21 2019-10-07 제일모직 주식회사 유기광전자소자용 화합물, 이를 포함하는 유기발광소자 및 상기 유기발광소자를 포함하는 표시장치
CN115942471A (zh) * 2018-06-25 2023-04-07 上海朗帛通信技术有限公司 一种被用于无线通信的基站、用户设备中的方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100342586C (zh) * 2005-07-07 2007-10-10 哈尔滨工业大学 基于遗传算法的智能天线复合波束形成方法
CN101098178B (zh) * 2006-06-27 2010-12-29 中兴通讯股份有限公司 一种专用信道宽业务波束赋形实现方法及系统
CN101170339B (zh) * 2006-10-26 2011-07-13 中兴通讯股份有限公司 动态扇区广播波束形成的实现方法
GB2445001A (en) * 2006-12-21 2008-06-25 Siemens Ag Determining mobile terminal location from responses to messages transmitted into different coverage areas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110546967A (zh) * 2017-03-09 2019-12-06 Lg电子株式会社 基于波束接收mbms服务的方法及装置
CN110546967B (zh) * 2017-03-09 2021-10-01 Lg电子株式会社 基于波束接收mbms服务的方法及装置
US11272324B2 (en) 2017-03-09 2022-03-08 Lg Electronics Inc. Method and apparatus for receiving MBMS service on basis of beam

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Publication number Publication date
CN102077484B (zh) 2013-10-16
WO2010015108A1 (zh) 2010-02-11
WO2010015108A8 (zh) 2011-01-06

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Address after: 201206 Pudong New Area, Nanjing Road, No. 388, Shanghai

Patentee after: Shanghai NOKIA Baer Limited by Share Ltd

Address before: 201206 Pudong New Area, Nanjing Road, No. 388, Shanghai

Patentee before: Shanghai Alcatel-Lucent Co., Ltd.