JPWO2021176783A1 - - Google Patents

Info

Publication number
JPWO2021176783A1
JPWO2021176783A1 JP2022504974A JP2022504974A JPWO2021176783A1 JP WO2021176783 A1 JPWO2021176783 A1 JP WO2021176783A1 JP 2022504974 A JP2022504974 A JP 2022504974A JP 2022504974 A JP2022504974 A JP 2022504974A JP WO2021176783 A1 JPWO2021176783 A1 JP WO2021176783A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022504974A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPWO2021176783A1 publication Critical patent/JPWO2021176783A1/ja
Priority to JP2025043076A priority Critical patent/JP2025089342A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04L5/003—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2022504974A 2020-03-04 2020-12-02 Pending JPWO2021176783A1 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025043076A JP2025089342A (ja) 2020-03-04 2025-03-18 無線基地局および無線端末

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020036688 2020-03-04
PCT/JP2020/044869 WO2021176783A1 (ja) 2020-03-04 2020-12-02 無線基地局および無線端末

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025043076A Division JP2025089342A (ja) 2020-03-04 2025-03-18 無線基地局および無線端末

Publications (1)

Publication Number Publication Date
JPWO2021176783A1 true JPWO2021176783A1 (https=) 2021-09-10

Family

ID=77613257

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022504974A Pending JPWO2021176783A1 (https=) 2020-03-04 2020-12-02
JP2025043076A Pending JP2025089342A (ja) 2020-03-04 2025-03-18 無線基地局および無線端末

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025043076A Pending JP2025089342A (ja) 2020-03-04 2025-03-18 無線基地局および無線端末

Country Status (6)

Country Link
US (1) US12335951B2 (https=)
EP (1) EP4099746A4 (https=)
JP (2) JPWO2021176783A1 (https=)
CN (1) CN115152266A (https=)
TW (1) TW202142042A (https=)
WO (1) WO2021176783A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022209213A1 (ja) * 2021-03-30 2022-10-06 ソニーグループ株式会社 無線通信装置および方法
WO2022222154A1 (zh) * 2021-04-23 2022-10-27 北京小米移动软件有限公司 请求发送、请求接收方法和装置
CN120021185A (zh) * 2023-11-17 2025-05-20 华为技术有限公司 通信方法和通信装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012085237A (ja) * 2010-10-14 2012-04-26 Panasonic Corp 通信システム、基地局、端末及び通信方法
JP2012531858A (ja) * 2009-06-29 2012-12-10 ▲ホア▼▲ウェイ▼技術有限公司 参照信号処理方法、装置およびシステム
JP2015126412A (ja) * 2013-12-26 2015-07-06 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
JP2016501465A (ja) * 2012-11-08 2016-01-18 インターデイジタル パテント ホールディングス インコーポレイテッド ワイヤレスローカルエリアネットワークにおける均一な複数のアクセスポイントカバレージのための媒体アクセス制御のための方法および装置
JP2016515777A (ja) * 2013-04-03 2016-05-30 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 参照信号を受信するためおよび送るための方法および装置、ユーザ機器、ならびに基地局

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102546512B (zh) * 2005-08-24 2017-04-26 无线局域网一有限责任公司 正交频分复用发送装置和正交频分复用接收装置
US8442566B2 (en) * 2009-01-07 2013-05-14 Samsung Electronics Co., Ltd. Coordinated multipoint (CoMP) joint transmission using channel information feedback and higher rank dedicated beam-forming
EP2398155A4 (en) * 2009-02-10 2011-12-28 Huawei Tech Co Ltd METHOD, DEVICE AND SYSTEM FOR COOPERATIVE MULTIPORT TRANSMISSION
US9178576B2 (en) * 2011-07-19 2015-11-03 Lg Electronics Inc. Communication method using multiple transmission points, and apparatus for same
TWI630800B (zh) * 2016-10-21 2018-07-21 財團法人工業技術研究院 協調式多點傳輸方法和基地台
GB2568943B (en) * 2017-12-01 2022-02-09 Samsung Electronics Co Ltd Improvements in and relating to integrated access and backhaul and non terrestrial networks
CN111741474B (zh) * 2019-03-25 2022-02-11 华为技术有限公司 一种信道状态信息的测量方法、装置及网络侧设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012531858A (ja) * 2009-06-29 2012-12-10 ▲ホア▼▲ウェイ▼技術有限公司 参照信号処理方法、装置およびシステム
JP2012085237A (ja) * 2010-10-14 2012-04-26 Panasonic Corp 通信システム、基地局、端末及び通信方法
JP2016501465A (ja) * 2012-11-08 2016-01-18 インターデイジタル パテント ホールディングス インコーポレイテッド ワイヤレスローカルエリアネットワークにおける均一な複数のアクセスポイントカバレージのための媒体アクセス制御のための方法および装置
JP2016515777A (ja) * 2013-04-03 2016-05-30 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 参照信号を受信するためおよび送るための方法および装置、ユーザ機器、ならびに基地局
JP2015126412A (ja) * 2013-12-26 2015-07-06 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法

Also Published As

Publication number Publication date
JP2025089342A (ja) 2025-06-12
US20230098215A1 (en) 2023-03-30
CN115152266A (zh) 2022-10-04
EP4099746A1 (en) 2022-12-07
WO2021176783A1 (ja) 2021-09-10
TW202142042A (zh) 2021-11-01
EP4099746A4 (en) 2023-10-04
US12335951B2 (en) 2025-06-17

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