KR20210073584A - 협력 다중 입력 다중 출력 다운링크 스케줄링 - Google Patents

협력 다중 입력 다중 출력 다운링크 스케줄링 Download PDF

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Publication number
KR20210073584A
KR20210073584A KR1020217015539A KR20217015539A KR20210073584A KR 20210073584 A KR20210073584 A KR 20210073584A KR 1020217015539 A KR1020217015539 A KR 1020217015539A KR 20217015539 A KR20217015539 A KR 20217015539A KR 20210073584 A KR20210073584 A KR 20210073584A
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KR
South Korea
Prior art keywords
mode
transmission
user equipment
downlink data
data transmission
Prior art date
Application number
KR1020217015539A
Other languages
English (en)
Korean (ko)
Inventor
피터 존 블랙
매튜 스튜어트 그롭
마이클 밍씨 팬
태머 아델 카더스
Original Assignee
엑스콤 랩스 인코퍼레이티드
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 US16/180,947 external-priority patent/US10756860B2/en
Priority claimed from US16/180,869 external-priority patent/US10659112B1/en
Priority claimed from US16/180,799 external-priority patent/US10432272B1/en
Priority claimed from US16/180,848 external-priority patent/US10812216B2/en
Application filed by 엑스콤 랩스 인코퍼레이티드 filed Critical 엑스콤 랩스 인코퍼레이티드
Priority to KR1020247010767A priority Critical patent/KR20240046312A/ko
Publication of KR20210073584A publication Critical patent/KR20210073584A/ko

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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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0413—MIMO systems
    • 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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H04W72/042—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • 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 signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
KR1020217015539A 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링 KR20210073584A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020247010767A KR20240046312A (ko) 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US16/180,848 2018-11-05
US16/180,947 US10756860B2 (en) 2018-11-05 2018-11-05 Distributed multiple-input multiple-output downlink configuration
US16/180,869 US10659112B1 (en) 2018-11-05 2018-11-05 User equipment assisted multiple-input multiple-output downlink configuration
US16/180,799 US10432272B1 (en) 2018-11-05 2018-11-05 Variable multiple-input multiple-output downlink user equipment
US16/180,848 US10812216B2 (en) 2018-11-05 2018-11-05 Cooperative multiple-input multiple-output downlink scheduling
US16/180,799 2018-11-05
US16/180,869 2018-11-05
US16/180,947 2018-11-05
PCT/US2019/059196 WO2020096860A1 (fr) 2018-11-05 2019-10-31 Planification coopérative de liaison descendante à entrées et sorties multiples

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020247010767A Division KR20240046312A (ko) 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링

Publications (1)

Publication Number Publication Date
KR20210073584A true KR20210073584A (ko) 2021-06-18

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Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020217015539A KR20210073584A (ko) 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링
KR1020247010767A KR20240046312A (ko) 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020247010767A KR20240046312A (ko) 2018-11-05 2019-10-31 협력 다중 입력 다중 출력 다운링크 스케줄링

Country Status (7)

Country Link
EP (1) EP3878106A4 (fr)
KR (2) KR20210073584A (fr)
CN (1) CN113016147A (fr)
AU (1) AU2019375404B2 (fr)
CA (1) CA3116921A1 (fr)
TW (1) TWI796529B (fr)
WO (1) WO2020096860A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10979110B2 (en) * 2019-07-04 2021-04-13 Realtek Semiconductor Corp. Cooperative precoding method and communication system
US11582642B2 (en) * 2020-11-16 2023-02-14 At&T Intellectual Property I, L.P. Scaling network capability using baseband unit pooling in fifth generation networks and beyond
US11540330B2 (en) 2020-11-25 2022-12-27 At&T Intellectual Property I, L.P. Allocation of baseband unit resources in fifth generation networks and beyond
US20230337146A1 (en) * 2022-04-14 2023-10-19 Mediatek Inc. Wi-fi power-adjusting method and device thereof
CN116203362B (zh) * 2023-02-10 2023-09-19 深圳市云帆自动化技术有限公司 一种配电盘状态监测系统

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
KR101631477B1 (ko) * 2009-08-05 2016-06-17 삼성전자주식회사 적응적으로 단일 포인트 송/수신 및 협력 멀티 포인트 송/수신을 적용하는 통신 시스템
US20130286960A1 (en) * 2012-04-30 2013-10-31 Samsung Electronics Co., Ltd Apparatus and method for control channel beam management in a wireless system with a large number of antennas
WO2013173801A1 (fr) * 2012-05-17 2013-11-21 Huawei Technologies Co., Ltd. Système et procédé de fonctionnement de communication multipoint adaptative en liaison descendante
EP2862385B1 (fr) 2012-06-19 2017-08-09 Telefonaktiebolaget LM Ericsson (publ) Procédé et noeud de commande pour réguler des mesures effectuées par un équipement 'utilisateur
US9130709B2 (en) * 2012-09-12 2015-09-08 Telefonaktiebolaget L M Ericsson (Publ) Method for inter-cell downlink interference minimization via comp
US9503924B2 (en) * 2013-01-18 2016-11-22 Qualcomm Incorporated Interpolation-based channel state information (CSI) enhancements in long-term evolution (LTE)
CN105103467B (zh) * 2013-04-09 2018-11-09 瑞典爱立信有限公司 基于无线电条件选择传输模式
US9419757B2 (en) * 2013-10-04 2016-08-16 Cellos Software Ltd Method and apparatus for coordinating one or more downlink transmissions in a wireless communication system
US10608860B2 (en) * 2015-09-11 2020-03-31 Apple Inc. Device and method for enhanced seamless mobility
WO2017159995A1 (fr) * 2016-03-14 2017-09-21 엘지전자 주식회사 Procédé d'estimation de canal de commande et équipement utilisateur pour le mettre en œuvre
US10044426B1 (en) * 2016-05-27 2018-08-07 Sprint Spectrum L.P. Transmission mode selection between beamforming and MU-MIMO
US10542556B2 (en) 2016-09-23 2020-01-21 Qualcomm Incorporated Modulation and coding scheme (MCS) and/or rank selection in coordinated multi-point (CoMP) communication
US10972158B2 (en) * 2017-03-16 2021-04-06 Samsung Electronics Co., Ltd. Distributed FD-MIMO: cellular evolution for 5G and beyond

Also Published As

Publication number Publication date
TW202029824A (zh) 2020-08-01
CN113016147A (zh) 2021-06-22
CA3116921A1 (fr) 2020-05-14
EP3878106A4 (fr) 2022-08-03
EP3878106A1 (fr) 2021-09-15
TWI796529B (zh) 2023-03-21
WO2020096860A1 (fr) 2020-05-14
AU2019375404A1 (en) 2021-05-20
KR20240046312A (ko) 2024-04-08
AU2019375404B2 (en) 2023-12-14

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