SG11201810039YA - Modulation of a set of bits into two symbols and symbol transmission over different communication resources - Google Patents

Modulation of a set of bits into two symbols and symbol transmission over different communication resources

Info

Publication number
SG11201810039YA
SG11201810039YA SG11201810039YA SG11201810039YA SG11201810039YA SG 11201810039Y A SG11201810039Y A SG 11201810039YA SG 11201810039Y A SG11201810039Y A SG 11201810039YA SG 11201810039Y A SG11201810039Y A SG 11201810039YA SG 11201810039Y A SG11201810039Y A SG 11201810039YA
Authority
SG
Singapore
Prior art keywords
bits
symbol
international
symbols
modulation
Prior art date
Application number
SG11201810039YA
Inventor
Hanqing Lou
Rui Yang
Fengjun Xi
Nirav B Shah
Original Assignee
Interdigital Patent Holdings 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
Application filed by Interdigital Patent Holdings Inc filed Critical Interdigital Patent Holdings Inc
Publication of SG11201810039YA publication Critical patent/SG11201810039YA/en

Links

Classifications

    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • 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
    • H04B7/04—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Error Detection And Correction (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101/110 111010101111101011111 0 01111111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2017/200842 A2 23 November 2017 (23.11.2017) WIPO I PCT (51) (21) (22) (25) Filing Language: (26) (30) (71) International Patent Classification: (72) Inventors: LOU, Hanging; 47 Southwood Cir., Syosset, H04L 5/00 (2006.01) New York 11791 (US). YANG, Rui; 14 Burns Court, International Application Number: Greenlawn, New York 11740 (US). XI, Fengjun; 10838 PCT/US2017/032201 Aderman Ave., Apt. 144, San Diego, California 92126 (US). SHAH, Nirav B.; 12265 Porcelina Ct., San Diego, International Filing Date: California 92131 (US). 11 May 2017 (11.05.2017) (74) Agent: IRVINE III, Robert J.; Invention Mine LLC, 216 English South Jefferson Street, Suite 102, Chicago, Illinois 60661 Publication Language: English (US). (81) Designated States (unless otherwise indicated, for every Priority Data: kind of national protection available): AE, AG, AL, AM, 62/335,521 12 May 2016 (12.05.2016) US AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 62/365,286 21 July 2016 (21.07.2016) US CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, Applicant: INTERDIGITAL PATENT HOLDINGS, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, INC. [US/US]; 200 Bellevue Parkway, Suite 300, Wilming- HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, ton, Delaware 19809 (US). 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, (54) Title: METHOD : Modulating herein, the process includes receiving, at a transmitter, a set of bits. The process also includes generating symbols a first constellation includes selecting communication resource in a second single carrier channel for the second symbol. The process also includes the first and second symbols using the respective selected data communication resources. (57) N disclosed ot plex-valued I N transmitter, AND APPARATUS FOR MODULATION OF MILLIMETER WAVES AND PREAMBLE DESIGN = 2400 402 7 404 7 406 0 ( 408 • ( 410 / of the process at least two com- of bits to a first symbol mapping. The process and selecting a second transmitting, via the = _ RECEIVE BITS = GENERATE AT LEAST TWO COMPLEX-VALUED SYMBOLS USING PIPELINED MODULATION = = SELECT FIRST RESOURCE IN FIRST SINGLE CARRIER CHANNEL FOR FIRST SYMBOL = = = = = SELECT SECOND RESOURCE IN SECOND SINGLE CARRIER CHANNEL FOR SECOND SYMBOL — = = = — = TRANSMIT FIRST AND SECOND SYMBOLS USING RESPECTIIVE SELECTED RESOURCES = FIG. 4 millimeter waves may be embodied via a plurality of means. In at least one embodiment based on the set of bits using a pipelined modulation at least in part by (i) mapping the set mapping and (ii) mapping the set of bits to a second symbol using a second constellation a first data communication resource in a first single carrier channel for the first symbol ei 71' © using C:::: ) also ei ---, data 1-1 0 ei O [Continued on next page] WO 2017/200842 IIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII 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). Published: — without international search report and to be republished upon receipt of that report (Rule 48.2(g))
SG11201810039YA 2016-05-12 2017-05-11 Modulation of a set of bits into two symbols and symbol transmission over different communication resources SG11201810039YA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662335521P 2016-05-12 2016-05-12
US201662365286P 2016-07-21 2016-07-21
PCT/US2017/032201 WO2017200842A2 (en) 2016-05-12 2017-05-11 Method and apparatus for modulation of millimeter waves and preamble design

Publications (1)

Publication Number Publication Date
SG11201810039YA true SG11201810039YA (en) 2018-12-28

Family

ID=59829435

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201810039YA SG11201810039YA (en) 2016-05-12 2017-05-11 Modulation of a set of bits into two symbols and symbol transmission over different communication resources

Country Status (9)

Country Link
US (1) US20190150117A1 (en)
EP (1) EP3455993A2 (en)
JP (2) JP7074685B2 (en)
KR (2) KR20190017761A (en)
CN (2) CN109417451B (en)
CA (1) CA3023962A1 (en)
SG (1) SG11201810039YA (en)
TW (2) TW201742415A (en)
WO (1) WO2017200842A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2700172C1 (en) * 2016-05-13 2019-09-13 Телефонактиеболагет Лм Эрикссон (Пабл) Wireless communication device, transmitter and methods of operation thereof
US10938498B2 (en) * 2017-06-25 2021-03-02 Intel IP Corporation Apparatus, system and method of transmitting a PPDU
US11509413B2 (en) 2018-06-28 2022-11-22 Intel Corporation Apparatus, system and method of an orthogonal frequency-division multiplexing (OFDM) transmission over a wide bandwidth
CN112153690B (en) * 2019-06-26 2022-05-24 华为技术有限公司 Communication method and communication device
CN112187690B (en) * 2019-07-02 2022-10-04 华为技术有限公司 Method and device for processing symbols
CN115776426A (en) 2019-07-12 2023-03-10 成都华为技术有限公司 Method and device for processing symbols
US11675046B2 (en) * 2019-08-31 2023-06-13 Globalfoundries U.S. Inc. Transmitter unit suitable for millimeter wave devices
CN117319157A (en) * 2022-06-21 2023-12-29 华为技术有限公司 Data processing method and data processing device

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3139909B2 (en) * 1994-03-15 2001-03-05 株式会社東芝 Hierarchical orthogonal frequency multiplexing transmission system and transmitting / receiving apparatus
US6807145B1 (en) * 1999-12-06 2004-10-19 Lucent Technologies Inc. Diversity in orthogonal frequency division multiplexing systems
CA2385550C (en) * 2000-07-18 2006-11-14 Samsung Electronics Co., Ltd. Method for performing usts handover and usts mode switching in a mobile communication system
US6934320B2 (en) * 2002-04-19 2005-08-23 Nokia Corporation Orthogonalized spatial multiplexing for wireless communication
JP3836810B2 (en) * 2003-05-02 2006-10-25 松下電器産業株式会社 Data transmission device
US7586881B2 (en) * 2004-02-13 2009-09-08 Broadcom Corporation MIMO wireless communication greenfield preamble formats
US7920645B2 (en) * 2005-05-04 2011-04-05 Panasonic Corporation Data transmissions in a mobile communication system employing diversity and constellation rearrangement of a 16 QAM scheme
US7957482B2 (en) * 2005-07-26 2011-06-07 Panasonic Corporation Bit-operated rearrangement diversity for AICO mapping
US7653141B2 (en) * 2006-03-31 2010-01-26 Panasonic Corporation Multi-band OFDM UWB communication systems having improved frequency diversity
KR101241895B1 (en) * 2006-04-10 2013-03-11 엘지전자 주식회사 method for repetitive transmission using a plurality of carrier
US8379738B2 (en) * 2007-03-16 2013-02-19 Samsung Electronics Co., Ltd. Methods and apparatus to improve performance and enable fast decoding of transmissions with multiple code blocks
KR101507170B1 (en) * 2008-06-26 2015-03-31 엘지전자 주식회사 Apparatus and method for data transmission using transmit diversity in sc-fdma system
EP3537815B1 (en) * 2008-11-04 2020-10-28 Apple Inc. Providing a downlink control structure in a first carrier to indicate control information in a second, different carrier
ES2480267T3 (en) * 2009-04-17 2014-07-25 Nokia Solutions And Networks Oy Device and method of communication
US10218481B2 (en) * 2009-04-22 2019-02-26 Lg Electronics Inc. Apparatus and method for transmitting a reference signal in a wireless communication system
KR101715397B1 (en) * 2009-04-22 2017-03-13 엘지전자 주식회사 Apparatus and method for transmitting reference signal in wireless communication system
US20110268001A1 (en) * 2010-05-03 2011-11-03 Lee Jung A Method of providing acknowledgement feedback for aggregated carriers
CN101909035A (en) * 2010-07-16 2010-12-08 北京航空航天大学 Method for recognizing subcarrier modulation modes of orthogonal frequency division multiplexing signal in wireless communication
CN102387105B (en) * 2010-08-30 2014-11-05 华为技术有限公司 Modulating method and device
KR101791987B1 (en) * 2010-12-07 2017-11-20 한국전자통신연구원 Method and apparatus for transmitting preamble in wireless communication system
US8625723B2 (en) * 2011-03-03 2014-01-07 Lg Electronics Inc. Method and apparatus for performing demapping in wireless communication system
EP2922225B1 (en) * 2012-11-13 2020-01-01 LG Electronics Inc. Method and apparatus for transmitting data, and method and apparatus for receiving data
JP6437548B2 (en) * 2013-08-14 2018-12-12 エルジー エレクトロニクス インコーポレイティド Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, broadcast signal transmitting method, and broadcast signal receiving method
CN104980251B (en) * 2014-04-14 2018-09-21 上海数字电视国家工程研究中心有限公司 Code modulating method and decoding demodulation method
CN103973619A (en) * 2014-05-07 2014-08-06 清华大学 Signal transmission method for single-carrier modulation with time-frequency domain combination
CN104301071B (en) * 2014-10-14 2017-08-11 清华大学 Support the code modulating method and system of bit load and bit map
CN105071842B (en) * 2015-07-07 2018-05-15 江苏中兴微通信息科技有限公司 First-class triantennary or three four antenna space diversity receiving/transmission methods of stream and device in SC-MIMO systems
US9768889B2 (en) * 2015-12-14 2017-09-19 Maxlinear Asia Singapore PTE LTD Adaptive symbol mapping modulation

Also Published As

Publication number Publication date
JP7469365B2 (en) 2024-04-16
JP2019521568A (en) 2019-07-25
EP3455993A2 (en) 2019-03-20
CN114615124A (en) 2022-06-10
WO2017200842A2 (en) 2017-11-23
JP7074685B2 (en) 2022-05-24
KR102535075B1 (en) 2023-05-26
CA3023962A1 (en) 2017-11-23
TWI807617B (en) 2023-07-01
TW201742415A (en) 2017-12-01
JP2022109308A (en) 2022-07-27
KR20190017761A (en) 2019-02-20
US20190150117A1 (en) 2019-05-16
TW202234860A (en) 2022-09-01
WO2017200842A3 (en) 2018-03-01
CN109417451B (en) 2022-04-08
KR20220027269A (en) 2022-03-07
CN109417451A (en) 2019-03-01

Similar Documents

Publication Publication Date Title
SG11201810039YA (en) Modulation of a set of bits into two symbols and symbol transmission over different communication resources
SG11201806037UA (en) Radio resource allocation in a narrowband communication system
SG11201900399WA (en) Method and apparatus for performing access barring check
SG11201805376YA (en) Frequency hopping for random access
SG11201907578RA (en) Control resource set for single-carrier waveform
SG11201909158QA (en) Methods and apparatuses for configuring a control resource set in a wireless communication system
SG11201907664VA (en) Low latency enhancements to cv2x autonomous resource selection and re-selection procedure for vehicle-to-vehicle communications
SG11202000149VA (en) Methods and apparatus for srs antenna switching in carrier aggregation
SG11201900969SA (en) Access stratum security for efficient packet processing
SG11201906647TA (en) Separate configuration of numerology-associated resources
SG11201909116QA (en) Synchronization for wideband coverage enhancement
SG11201908726WA (en) Downlink control channel for uplink ultra-reliable and low-latency communications
SG11201900199TA (en) Control channel with flexible numerology
SG11201902008PA (en) Waveform-dependent random access channel procedure
SG11201901239XA (en) Enhancements to phase-noise compensation reference signal design and scrambling
SG11201908681TA (en) Random access procedure(s) for radio system
SG11201907144WA (en) Synchronization signal transmission in a new radio wireless communication system
SG11201806886SA (en) Beam reference signal for broadcast decoding
SG11201907192WA (en) User equipment and base station participating in radio access network update procedure
SG11201909217TA (en) Techniques and apparatuses for sub-physical resource block resource allocation for machine type communication
SG11201907572UA (en) Uplink control channel configurations for wireless communications
SG11201901128WA (en) Methods for flexible resource usage
SG11201906275TA (en) Control resource set group design for improved communications devices, systems, and networks
SG11201808968WA (en) Time division multiplexing of synchronization channels
SG11201900104QA (en) Rach conveyance of dl synchronization beam information for various dl-ul correspondence states