SG11201807679XA - Methods and devices for determining precoder parameters in a wireless communication network - Google Patents

Methods and devices for determining precoder parameters in a wireless communication network

Info

Publication number
SG11201807679XA
SG11201807679XA SG11201807679XA SG11201807679XA SG11201807679XA SG 11201807679X A SG11201807679X A SG 11201807679XA SG 11201807679X A SG11201807679X A SG 11201807679XA SG 11201807679X A SG11201807679X A SG 11201807679XA SG 11201807679X A SG11201807679X A SG 11201807679XA
Authority
SG
Singapore
Prior art keywords
factor
beams
precoder
international
parameters
Prior art date
Application number
SG11201807679XA
Inventor
Sebastian Faxér
Svante Bergman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of SG11201807679XA publication Critical patent/SG11201807679XA/en

Links

Classifications

    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/0452—Multi-user 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
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • 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
    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Small-Scale Networks (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/168349 Al 5 October 2017 (05.10.2017) WIPO I PCT (51) International Patent Classification: HO4B 77041 7 (2017.01) H04B 7/04 (2017.01) (21) International Application Number: PCT/IB2017/051803 (22) International Filing Date: 29 March 2017 (29.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/315,972 31 March 2016 (31.03.2016) US 62/316,820 1 April 2016 (01.04.2016) US 62/316,857 1 April 2016 (01.04.2016) US (71) Applicant: TELEFONAKTIEBOLAGET LM ERIC- SSON (PUBL) [SE/SE]; 164 83 Stockholm (SE). (72) Inventors: FAXER, Sebastian; Frihetsvkgen 33, 177 53 Jarfalla (SE). BERGMAN, Svante; Selmedalsringen 8, 129 36 Hagersten (SE). (74) Agents: DUFORT, Julie et al.; Ericsson Canada Inc., Pat- ent Department, 8275 Route Transcanadienne, Saint- Laurent, Quebec H4S OB6 (CA). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3)) — (54) Title: METHODS AND DEVICES FOR DETERMINING PRECODER PARAMETERS IN A WIRELESS COMMUNICA- TION NETWORK 1100 Selecting a subset of beams from a plurality of orthogonal beams 1110 Obtaining power levels of the selected subset of beams for generating a first factor of the precoder 1120 Obtaining phases of the selected subset of beams for generating a second factor of the precoder, wherein the first factor and the second factor are part of the parameters of the precoder 1130 Fig. 11 (57) : A method and a device for determining parameters of a precoder in a wireless communication system are disclosed. According to one aspect, a method includes selecting a subset of beams corresponding to a plurality of orthogonal beams; obtaining power levels of the selected subset of beams for generating a first factor of the precoder and obtaining phases of the selected subset of beams for generating a second factor, wherein the first factor and the second factor are part of the parameters of the precoder. 11111111111111011101111111111101011111011101111111111111011111111110111111111110111111 W O 20 17 / 1683 49 Al
SG11201807679XA 2016-03-31 2017-03-29 Methods and devices for determining precoder parameters in a wireless communication network SG11201807679XA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662315972P 2016-03-31 2016-03-31
US201662316857P 2016-04-01 2016-04-01
US201662316820P 2016-04-01 2016-04-01
PCT/IB2017/051803 WO2017168349A1 (en) 2016-03-31 2017-03-29 Methods and devices for determining precoder parameters in a wireless communication network

Publications (1)

Publication Number Publication Date
SG11201807679XA true SG11201807679XA (en) 2018-10-30

Family

ID=58461403

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201807679XA SG11201807679XA (en) 2016-03-31 2017-03-29 Methods and devices for determining precoder parameters in a wireless communication network

Country Status (20)

Country Link
US (10) US10505600B2 (en)
EP (5) EP3248301B1 (en)
JP (3) JP2019518352A (en)
KR (2) KR102198018B1 (en)
CN (6) CN110086516A (en)
AU (2) AU2017243951B2 (en)
BR (3) BR112018069744A2 (en)
CA (1) CA3019372C (en)
DK (1) DK3272022T3 (en)
ES (1) ES2880442T3 (en)
IL (2) IL261686B (en)
MX (2) MX2018011657A (en)
MY (1) MY194876A (en)
NZ (1) NZ746231A (en)
PH (2) PH12018502024A1 (en)
PT (1) PT3272022T (en)
RU (4) RU2695125C1 (en)
SG (1) SG11201807679XA (en)
WO (3) WO2017168351A1 (en)
ZA (1) ZA201806058B (en)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017168351A1 (en) * 2016-03-31 2017-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for quantizing beam phases for a precoder
US10557773B2 (en) 2016-05-18 2020-02-11 Jand, Inc. Fixtureless lensmeter system
US11025322B2 (en) 2016-08-12 2021-06-01 Telefonaktiebolaget Lm Ericsson (Publ) Progressive advanced CSI feedback
US11071095B2 (en) * 2016-08-12 2021-07-20 Telefonaktiebolaget Lm Ericsson (Publ) Layer 1 and layer 2 channel state information rich reporting mechanisms
RU2765573C2 (en) * 2016-08-12 2022-02-01 Телефонактиеболагет Лм Эрикссон (Пабл) Multipath codebooks with further optimized costs
CN109952716B (en) 2016-08-12 2022-08-23 瑞典爱立信有限公司 Configurable codebook for advanced CSI feedback overhead reduction
CN110100483A (en) 2016-11-02 2019-08-06 Idac控股公司 Equipment, system and method for the power significant wave beam tube reason in wireless system
US10256997B2 (en) 2016-12-16 2019-04-09 Cisco Technology, Inc. Computing transmit and receive filters for a network device
BR112019016179A2 (en) 2017-02-06 2020-04-07 Ericsson Telefon Ab L M operation method of a second node, second node, and first node
JP7017312B2 (en) * 2017-02-20 2022-02-08 株式会社Ｎｔｔドコモ Wireless base station and wireless communication method
CN108809372B (en) 2017-04-26 2021-05-11 华为技术有限公司 Method and equipment for indicating and determining precoding vector
CN109428637B (en) * 2017-08-28 2022-02-01 华为技术有限公司 CSI-RS measurement feedback method and equipment
CN109495148B (en) * 2017-09-10 2021-08-31 华为技术有限公司 Method for restricting codebook subset
EP3474459A1 (en) * 2017-10-18 2019-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
WO2019078864A1 (en) * 2017-10-19 2019-04-25 Nokia Technologies Oy Ue-specific beam mapping with reference weight vectors
EP3704801B1 (en) * 2017-10-30 2021-05-19 Telefonaktiebolaget LM Ericsson (publ) Codebook design for virtualized active antenna system (aas)
US10868602B2 (en) 2018-01-19 2020-12-15 Lenovo (Singapore) Pte. Ltd. Channel compression matrix parameters
US20210234590A1 (en) * 2018-02-15 2021-07-29 Hewlett-Packard Development Company, L.P. Beam steering based on out-of-band data tracking
WO2019172811A1 (en) * 2018-03-08 2019-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for handling antenna signals for transmission between a base unit and a remote unit of a base station system
CN112154611A (en) * 2018-03-29 2020-12-29 诺基亚通信公司 Beam selection accelerator for wireless node scheduler
CN112088497B (en) 2018-05-09 2023-07-07 索尼集团公司 Method and device for polarization optimization of MIMO wireless transmission
US10848204B2 (en) * 2018-05-21 2020-11-24 Boise State University Reconfigurable antenna multiple access for millimeter wave systems
CN110581727A (en) * 2018-06-08 2019-12-17 英国电讯有限公司 Wireless telecommunications network
CN116506039A (en) * 2018-07-06 2023-07-28 日本电气株式会社 Multiple TRP codebook
US11637732B2 (en) * 2018-07-18 2023-04-25 Samsung Electronics Co., Ltd. Method and apparatus for high-resolution CSI reporting in advanced wireless communication systems
US10936703B2 (en) * 2018-08-02 2021-03-02 International Business Machines Corporation Obfuscating programs using matrix tensor products
WO2020026004A1 (en) * 2018-08-02 2020-02-06 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive co-phasing for beamforming using co-phasing matrices for wireless communications
CN112585881B (en) * 2018-08-10 2023-11-28 索尼公司 Multi-beam reception in a communication device
WO2020043282A1 (en) 2018-08-29 2020-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
CN110875768B (en) * 2018-08-30 2023-05-26 大唐移动通信设备有限公司 Feedback method and device of channel state information, network equipment and terminal
EP3847788A4 (en) * 2018-09-04 2022-05-11 CommScope Technologies LLC Front-haul rate reduction for use in a centralized radio access network
US10469146B1 (en) 2018-09-28 2019-11-05 Qualcomm Incorporated Reducing hypothesis search for multi-panel precoder selection
WO2020062017A1 (en) * 2018-09-28 2020-04-02 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
US10840986B2 (en) * 2018-09-28 2020-11-17 Mediatek Inc. Enhanced type II channel state information in mobile communications
WO2020087529A1 (en) * 2018-11-02 2020-05-07 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
WO2020091663A1 (en) * 2018-11-02 2020-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Hybrid common/independent fd-basis for type ii csi enhancement
US20200162142A1 (en) * 2018-11-15 2020-05-21 Samsung Electronics Co., Ltd. Method and apparatus to enable csi reporting in wireless communication systems
WO2020102947A1 (en) * 2018-11-19 2020-05-28 华为技术有限公司 Method, device and system for receiving information
US10879970B2 (en) 2018-11-21 2020-12-29 Samsung Electronics Co., Ltd Eigenvalue decomposition precoding matrix index selection
US11888564B2 (en) * 2018-11-21 2024-01-30 Ntt Docomo, Inc. Method for quantization of combination coefficients associated with frequency domain compression
US10651905B1 (en) * 2018-11-21 2020-05-12 Samsung Electronics Co., Ltd Eigenvalue decomposition precoding matrix index selection
KR102165754B1 (en) * 2018-12-19 2020-10-14 서강대학교산학협력단 Beamforming system and method comprising multiple antenna elements
CN113728561B (en) 2019-01-11 2023-10-13 联想（新加坡）私人有限公司 Type II codebook compression using multi-level quantization
WO2020150936A1 (en) * 2019-01-23 2020-07-30 Qualcomm Incorporated Precoder matrix quantization for compressed csi feedback
US10992360B2 (en) * 2019-01-28 2021-04-27 Apple Inc. Feedback overhead reduction for precoders under high rank spatial channels
EP3921948A1 (en) * 2019-02-08 2021-12-15 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for beamspace processing based on multiple beamspace bases
WO2020222034A1 (en) * 2019-05-01 2020-11-05 Telefonaktiebolaget Lm Ericsson (Publ) Coefficient solution for low peak-to-average power ratio (papr) precoders
FR3096528A1 (en) * 2019-05-24 2020-11-27 Orange Method for determining at least one precoder for a transmitter device of a wireless communication system
EP4014455A4 (en) * 2019-10-18 2023-05-10 Telefonaktiebolaget LM Ericsson (publ.) Network node, terminal device and methods therein for data transmission using beamforming
CN114600378B (en) * 2019-11-07 2023-10-03 松下电器（美国）知识产权公司 Terminal, base station and communication method
CN113438001B (en) * 2020-03-23 2022-08-19 维沃移动通信有限公司 Channel state information feedback method, receiving method, terminal and network side equipment
US20230155661A1 (en) * 2020-04-20 2023-05-18 Telefonaktiebolaget Lm Ericsson (Publ) Beam management for a radio transceiver device
CN112866159B (en) * 2021-01-06 2022-06-21 紫光展锐(重庆)科技有限公司 Baseband signal generation method and related device
US20220271852A1 (en) * 2021-02-22 2022-08-25 Samsung Electronics Co., Ltd. Multiple antenna channel tracking under practical impairment
US11909474B2 (en) * 2021-05-13 2024-02-20 Qualcomm Incorporated Rank adapation for MIMO transmissions and retransmissions
CN117813773A (en) * 2021-08-17 2024-04-02 高通股份有限公司 Design of precoding codebook for LOS MIMO
WO2023175025A2 (en) * 2022-03-15 2023-09-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Csi reporting for 5g nr systems

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1161907C (en) * 2001-07-20 2004-08-11 华为技术有限公司 Downstream feedback multiple-antenna emitting method and device for radio communication system
US8391322B2 (en) * 2003-07-09 2013-03-05 Broadcom Corporation Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
US7917176B2 (en) * 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
US7620112B2 (en) 2005-11-30 2009-11-17 Nokia Corporation Adaptive basis functions in a multicarrier communication system
JP4845640B2 (en) * 2006-08-23 2011-12-28 富士通株式会社 Wireless communication system and wireless communication method
KR20080022033A (en) 2006-09-05 2008-03-10 엘지전자 주식회사 Method for feed back information concerning pre-coding and method for pre-coding
KR20080022031A (en) * 2006-09-05 2008-03-10 엘지전자 주식회사 Method for transmitting and receiving information concerning pre-coding vector for mimo system, and method for selecting pre-coding vector
US7702029B2 (en) * 2006-10-02 2010-04-20 Freescale Semiconductor, Inc. MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding
JP2009152688A (en) * 2007-12-18 2009-07-09 Toshiba Corp Terminal apparatus, base station, radio communication method, and communication program
BRPI0916252B1 (en) 2008-07-29 2020-10-13 Sun Patent Trust minimal transmission apparatus and minimal transmission method
EP3026840B1 (en) 2008-08-11 2020-09-30 LG Electronics, Inc. Method and apparatus for transmitting uplink signals using multi-antenna
WO2010025426A1 (en) 2008-08-28 2010-03-04 Wi-Lan, Inc. Hybrid feedback for closed loop multiple-input multiple-output
CN101908921B (en) * 2009-06-02 2014-04-30 华为技术有限公司 Optimization method for space division multiple access, device and system thereof
JP5892607B2 (en) * 2010-03-12 2016-03-23 国立大学法人 千葉大学 Photoelectric conversion device and characteristic inspection method thereof
EP2567558B1 (en) * 2010-05-07 2014-07-30 Huawei Technologies Co., Ltd. Method and system for quantized feedback rate adaptation in a communication system
WO2011146606A1 (en) * 2010-05-19 2011-11-24 Interdigital Patent Holdings, Inc. Method and apparatus for compressing channel state information based on path location information
WO2011150549A1 (en) 2010-06-01 2011-12-08 Nokia Corporation Apparatus and method for selection of beam groups and subset of beams in communication system
WO2012007838A1 (en) 2010-07-13 2012-01-19 Media Tek Singapore Pte. Ltd. System and method for coordinating multiple wireless communications devices in a wireless communications network
JP5497577B2 (en) 2010-08-16 2014-05-21 株式会社Ｎｔｔドコモ COMMUNICATION CONTROL METHOD, BASE STATION DEVICE, AND MOBILE STATION DEVICE
US8891656B2 (en) 2011-10-27 2014-11-18 Ntt Docomo, Inc. Low-complexity, rank extendable, codebook design and method for supporting precoding matrix feedback for multi-user and single-user MIMO systems
WO2013069957A1 (en) 2011-11-07 2013-05-16 엘지전자 주식회사 Method for feeding back codebook-based precoding matrix information in wireless communication system and device therefor
KR101921669B1 (en) 2011-12-27 2018-11-27 삼성전자주식회사 Method and appratus for limited feedback of channel state information in massive mimo system based frequency division duplexing wireless communication
US9137698B2 (en) * 2012-02-24 2015-09-15 Samsung Electronics Co., Ltd. Beam management for wireless communication
KR101655924B1 (en) * 2012-03-07 2016-09-08 엘지전자 주식회사 Method for performing hierarchical beamforming in wireless access system and device therefor
CN104094630B (en) 2012-03-22 2018-04-27 阿尔卡特朗讯 For cooperateing with the information feedback of multicast communication
CN104584450B (en) * 2012-06-04 2018-01-26 交互数字专利控股公司 Transmit the channel condition information (CSI) of multiple transmission point
US9312937B2 (en) 2012-08-26 2016-04-12 Lg Electronics Inc. Method and apparatus for transmitting codebook-based signal in wireless communication system
US8971437B2 (en) * 2012-12-20 2015-03-03 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
CN104009785B (en) * 2013-02-25 2017-11-28 华为技术有限公司 Code book feedback method, user equipment and base station
JP5850872B2 (en) * 2013-03-07 2016-02-03 株式会社Ｎｔｔドコモ User equipment and base station
US20140301492A1 (en) * 2013-03-08 2014-10-09 Samsung Electronics Co., Ltd. Precoding matrix codebook design for advanced wireless communications systems
US9461723B2 (en) * 2013-03-29 2016-10-04 Intel IP Corporation Orthologonal beamforming for multiple user multiple-input and multiple-output (MU-MIMO)
EP2985921B1 (en) 2013-04-15 2017-08-30 Huawei Technologies Co., Ltd. Method for reporting channel state information, user device, and base station
EP2993805B1 (en) 2013-04-29 2018-03-21 LG Electronics Inc. Method and apparatus for transmitting channel state information in wireless communication system
WO2014198037A1 (en) 2013-06-13 2014-12-18 Qualcomm Incorporated Two-dimensional discrete fourier transform (2d-dft) based codebook for elevation beamforming
CN104620527B (en) * 2013-08-08 2018-06-19 华为技术有限公司 Determine method, receiving device and the sending device of pre-coding matrix instruction
CN104202073A (en) * 2014-03-04 2014-12-10 中兴通讯股份有限公司 Channel information feedback method, pilot frequency and wave beam transmitting methods, systems and devices
CN109861730A (en) 2014-03-24 2019-06-07 华为技术有限公司 Feedback method, method of reseptance and the device of pre-coding matrix instruction
CN106105065B (en) * 2014-03-26 2019-09-06 诺基亚技术有限公司 Radio frequency beam forming basic function feedback
US10171212B2 (en) * 2014-07-04 2019-01-01 Lg Electronics Inc. Method and device for performing channel estimation
US9906280B2 (en) * 2014-07-14 2018-02-27 Intel Corporation Principal eigen beam quantization for MIMO systems
US20160072562A1 (en) 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
US9397736B2 (en) * 2014-11-21 2016-07-19 Intel IP Corporation Quantized eigen beams for controlling antenna array elements in a wireless network
US9973305B2 (en) 2014-12-30 2018-05-15 Mediatek Inc. Soft buffer partition for superposition coding
US9806781B2 (en) 2015-04-29 2017-10-31 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
WO2017168351A1 (en) * 2016-03-31 2017-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for quantizing beam phases for a precoder

Also Published As

Publication number Publication date
BR112018069906A2 (en) 2019-02-05
RU2019121597A3 (en) 2020-01-24
ZA201806058B (en) 2019-12-18
ES2880442T3 (en) 2021-11-24
CN107454996B (en) 2021-05-28
CN107454996A (en) 2017-12-08
RU2695640C1 (en) 2019-07-25
US10630355B2 (en) 2020-04-21
US20190280747A1 (en) 2019-09-12
BR112018070165A2 (en) 2019-01-29
MY194876A (en) 2022-12-21
EP3736998A1 (en) 2020-11-11
US11671154B2 (en) 2023-06-06
WO2017168350A1 (en) 2017-10-05
NZ746231A (en) 2020-03-27
US20190132032A1 (en) 2019-05-02
PH12018502024A1 (en) 2019-03-04
US20170288751A1 (en) 2017-10-05
US10205495B2 (en) 2019-02-12
CN109004964A (en) 2018-12-14
AU2017243951B2 (en) 2020-05-14
JP2019518353A (en) 2019-06-27
US20230308146A1 (en) 2023-09-28
US10505600B2 (en) 2019-12-10
JP2019518352A (en) 2019-06-27
US20180269941A1 (en) 2018-09-20
EP3272022A1 (en) 2018-01-24
DK3272022T3 (en) 2021-06-28
IL261937A (en) 2018-10-31
KR102198018B1 (en) 2021-01-08
US11251843B2 (en) 2022-02-15
IL261686A (en) 2018-11-04
CN109004964B (en) 2021-06-04
AU2017243952A1 (en) 2018-10-25
CA3019372A1 (en) 2017-10-05
US20200228172A1 (en) 2020-07-16
EP3890200A1 (en) 2021-10-06
CN110086516A (en) 2019-08-02
US10333596B2 (en) 2019-06-25
JP6751770B2 (en) 2020-09-09
CA3019372C (en) 2020-01-07
US20180294856A1 (en) 2018-10-11
MX2018011657A (en) 2019-01-10
WO2017168349A1 (en) 2017-10-05
AU2017243951A1 (en) 2018-10-04
EP3272022B1 (en) 2021-05-05
US10615856B2 (en) 2020-04-07
US20220216902A1 (en) 2022-07-07
EP3248301B1 (en) 2019-10-23
US20180076859A1 (en) 2018-03-15
KR20180126060A (en) 2018-11-26
EP3243279A1 (en) 2017-11-15
CN107438957A (en) 2017-12-05
CN107431511A (en) 2017-12-01
KR20180126061A (en) 2018-11-26
CN107438957B (en) 2021-05-28
RU2019121597A (en) 2019-09-03
WO2017168351A1 (en) 2017-10-05
RU2695126C1 (en) 2019-07-22
CN109245801A (en) 2019-01-18
EP3243279B1 (en) 2020-06-24
US20180191411A1 (en) 2018-07-05
US10454544B2 (en) 2019-10-22
MX2018011780A (en) 2019-01-21
RU2695125C1 (en) 2019-07-22
IL261686B (en) 2019-05-30
PT3272022T (en) 2021-06-03
EP3248301A1 (en) 2017-11-29
JP2019518349A (en) 2019-06-27
PH12018502099A1 (en) 2019-07-15
BR112018069744A2 (en) 2019-02-05

Similar Documents

Publication Publication Date Title
SG11201807679XA (en) Methods and devices for determining precoder parameters in a wireless communication network
SG11201900399WA (en) Method and apparatus for performing access barring check
SG11201906395PA (en) Blockchain based data processing method and device
SG11201906753UA (en) Digital certificate management method and apparatus, and electronic device
SG11201901069XA (en) Power efficient resource utilization for v2x communications
SG11201906235YA (en) Narrowband time-division duplex frame structure for narrowband communications
SG11201808968WA (en) Time division multiplexing of synchronization channels
SG11201906476TA (en) Login information processing method and device
SG11201809123UA (en) Informing base station regarding user equipment's reception of beam change instruction
SG11201907679TA (en) Business verification method and apparatus
SG11201903604PA (en) Iot security service
SG11201811240XA (en) Systems and methods for route planning
SG11201906282PA (en) Synchronization signal blocks
SG11201906418PA (en) Blockchain-based data processing method and device
SG11201903141QA (en) Business processing method and apparatus
SG11201900269XA (en) Channel sensing for independent links
SG11201901550WA (en) Method and apparatus for data processing
SG11201900310RA (en) Declaring quasi co-location among multiple antenna ports
SG11201805103VA (en) Method and system for service enablement
SG11201811723QA (en) Using a mobile phone for monitoring a medical device
SG11201906377SA (en) Instant-messaging-based picture sending method and device
SG11201811659PA (en) Systems and methods for determining an estimated time of arrival
SG11201811690TA (en) Systems and methods for cheat examination
SG11201804916PA (en) Three-dimensional polymer networks with channels situated therein
SG11201810989VA (en) Systems and methods for route planning