TW202142042A - 無線基地台及無線終端 - Google Patents

無線基地台及無線終端 Download PDF

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Publication number
TW202142042A
TW202142042A TW110106690A TW110106690A TW202142042A TW 202142042 A TW202142042 A TW 202142042A TW 110106690 A TW110106690 A TW 110106690A TW 110106690 A TW110106690 A TW 110106690A TW 202142042 A TW202142042 A TW 202142042A
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TW
Taiwan
Prior art keywords
base station
wireless
information
coordinated
recorded
Prior art date
Application number
TW110106690A
Other languages
English (en)
Chinese (zh)
Inventor
田中健
Original Assignee
日商索尼股份有限公司
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 日商索尼股份有限公司 filed Critical 日商索尼股份有限公司
Publication of TW202142042A publication Critical patent/TW202142042A/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • 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
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023Interference mitigation or co-ordination
    • H04J11/005Interference mitigation or co-ordination of intercell interference
    • H04J11/0053Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035Resource allocation in a cooperative multipoint environment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0035Synchronisation arrangements detecting errors in frequency or phase
    • 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
    • H04L25/0204Channel estimation of multiple channels
    • 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
    • H04L25/0222Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
TW110106690A 2020-03-04 2021-02-25 無線基地台及無線終端 TW202142042A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-036688 2020-03-04
JP2020036688 2020-03-04

Publications (1)

Publication Number Publication Date
TW202142042A true TW202142042A (zh) 2021-11-01

Family

ID=77613257

Family Applications (1)

Application Number Title Priority Date Filing Date
TW110106690A TW202142042A (zh) 2020-03-04 2021-02-25 無線基地台及無線終端

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

Family Cites Families (12)

* 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
JP5527780B2 (ja) * 2009-06-29 2014-06-25 ▲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
US9178576B2 (en) * 2011-07-19 2015-11-03 Lg Electronics Inc. Communication method using multiple transmission points, and apparatus for same
EP2918123B1 (en) 2012-11-08 2023-03-29 InterDigital Patent Holdings, Inc. A method and apparatus for medium access control for uniform multiple access points coverage in wireless local area networks
EP2961215B1 (en) * 2013-04-03 2017-03-29 Huawei Technologies Co., Ltd. Methods and apparatus for receiving and sending reference signal, user equipment, and base station
JP6325249B2 (ja) * 2013-12-26 2018-05-16 株式会社Nttドコモ ユーザ端末及び無線通信方法
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

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
EP4099746A4 (en) 2023-10-04
JPWO2021176783A1 (https=) 2021-09-10
US12335951B2 (en) 2025-06-17

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