CN104160671B - 无线网络中的信道估计 - Google Patents

无线网络中的信道估计 Download PDF

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Publication number
CN104160671B
CN104160671B CN201380011066.4A CN201380011066A CN104160671B CN 104160671 B CN104160671 B CN 104160671B CN 201380011066 A CN201380011066 A CN 201380011066A CN 104160671 B CN104160671 B CN 104160671B
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CN
China
Prior art keywords
subframe
channel estimation
reference signal
current subframe
subframes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201380011066.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN104160671A (zh
Inventor
丽贝卡·文玲·袁
拉古·N·沙拉
于远宁
迈克尔·L·麦克劳德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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
Priority claimed from US13/788,170 external-priority patent/US9237535B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN104160671A publication Critical patent/CN104160671A/zh
Application granted granted Critical
Publication of CN104160671B publication Critical patent/CN104160671B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201380011066.4A 2012-03-09 2013-03-08 无线网络中的信道估计 Expired - Fee Related CN104160671B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261609167P 2012-03-09 2012-03-09
US61/609,167 2012-03-09
US13/788,170 2013-03-07
US13/788,170 US9237535B2 (en) 2012-03-09 2013-03-07 Channel estimation in wireless networks
PCT/US2013/029755 WO2013134588A1 (en) 2012-03-09 2013-03-08 Methods and apparatus for enabling non-destaggered channel estimation

Publications (2)

Publication Number Publication Date
CN104160671A CN104160671A (zh) 2014-11-19
CN104160671B true CN104160671B (zh) 2018-02-09

Family

ID=49117368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380011066.4A Expired - Fee Related CN104160671B (zh) 2012-03-09 2013-03-08 无线网络中的信道估计

Country Status (5)

Country Link
EP (1) EP2823612B1 (https=)
JP (1) JP5990601B2 (https=)
KR (1) KR101701128B1 (https=)
CN (1) CN104160671B (https=)
WO (1) WO2013134588A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140341326A1 (en) * 2013-05-20 2014-11-20 Qualcomm Incorporated Channel estimation with discontinuous pilot signals
US9819457B2 (en) * 2015-03-26 2017-11-14 Apple Inc. Device and method for adaptive channel estimation
KR102435597B1 (ko) * 2020-08-25 2022-08-23 세종대학교산학협력단 매시브 mimo 통신 시스템에서 다운링크 신호 송신 방법 및 장치
EP4451627A1 (en) * 2023-03-21 2024-10-23 Samsung Electronics Co., Ltd. User equipment and operation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101675694A (zh) * 2007-04-11 2010-03-17 Lm爱立信电话有限公司 利用可变保护间隔对发送资源进行调度的方法和装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4881948B2 (ja) * 2006-06-23 2012-02-22 パナソニック株式会社 無線送信装置、無線受信装置、およびデータ生成方法
US8706068B2 (en) * 2008-06-23 2014-04-22 Telefonaktiebolaget L M Ericsson (Publ) Adaptive signal power measurement methods and apparatus
KR101529627B1 (ko) * 2008-12-23 2015-06-29 삼성전자 주식회사 이동통신 시스템의 채널 추정장치 및 방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101675694A (zh) * 2007-04-11 2010-03-17 Lm爱立信电话有限公司 利用可变保护间隔对发送资源进行调度的方法和装置

Also Published As

Publication number Publication date
CN104160671A (zh) 2014-11-19
EP2823612A1 (en) 2015-01-14
JP5990601B2 (ja) 2016-09-14
KR101701128B1 (ko) 2017-02-01
EP2823612B1 (en) 2018-07-18
KR20140133594A (ko) 2014-11-19
JP2015529021A (ja) 2015-10-01
WO2013134588A1 (en) 2013-09-12

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