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WO2025155790A1 - Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite - Google Patents

Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite

Info

Publication number
WO2025155790A1
WO2025155790A1 PCT/US2025/011982 US2025011982W WO2025155790A1 WO 2025155790 A1 WO2025155790 A1 WO 2025155790A1 US 2025011982 W US2025011982 W US 2025011982W WO 2025155790 A1 WO2025155790 A1 WO 2025155790A1
Authority
WO
WIPO (PCT)
Prior art keywords
beams
frequency
elements
lens
coverage areas
Prior art date
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
PCT/US2025/011982
Other languages
English (en)
Inventor
Serguei Matitsine
Leonid Matytsine
Richard Braithwaite
John Wilson
Anthony Demarco
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matsing Inc
Original Assignee
Matsing 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
Priority claimed from US18/926,762 external-priority patent/US20250240074A1/en
Application filed by Matsing Inc filed Critical Matsing Inc
Publication of WO2025155790A1 publication Critical patent/WO2025155790A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device

Definitions

  • the field of the invention is radio frequency (RF) Antenna Systems
  • beam 510 is formed by combining emissions of elements 512, 514, 516, and beam 520 formed by combining emissions of elements 522, 524, 526, and beams 510, 520 cooperate to scan sector 505.
  • Fig. 5 this is not practical as one would need two antennas (cost, physical space, power consumption).
  • to create two narrow beams larger antennas would need to be used.
  • Fig. 6 is a diagram of a sector beam-scanned using twelve beams sequentially powered by twelve elements, respectively, disposed about a lens.
  • Fig. 7 is a diagram of a sector beam-scanned using eight beams sequentially powered by eight horn antennas, respectively.
  • Fig. 8 is a simplified version of Figure 6, where the four beams in each of three regions is powered by a different 8x8 radio.
  • Fig. 9 is a diagram of sector scanning using Frequency Division Duplex beam forming. Detailed Description
  • elements 61 IE, 612E, 613E, 614E are positioned about lens 650are sequentially powered to provide beams 61 IB, 612B, 613B, and 614B respectively, which effectively scans region 602.
  • elements 621E, 622E, 623E, and 624E are sequentially powered to provide beams 621B, 622B, 623B, and 624B respectively, which effectively scans region 604.
  • elements 63 IE, 632E, 633E, and 634E are sequentially powered to provide beams 63 IB, 632B, 633B, and 634B respectively, which effectively scans region 606.
  • powering the various beams can be coordinated, so that for example, beams 61 IB, 621B, 631B, can all be powered on and off concurrently, beams 612B, 622B, 632B, can all be powered on and off concurrently, and beams 613B, 623B, 633B can all be powered on and off concurrently.
  • regions 602, 604 and 606 could collectively cover a 120° sector, or a larger or smaller region.
  • the beams arc sufficiently narrow as a result of using a lens having appropriate size and index of refraction, one could operate multiple beams within a single region, without substantial interference. For example, one could concurrently operate beams 61 IB, 613B, 621B, 623B, 631B, and 633B, followed by concurrently operating beams 612B, 614B, 622B, 624B, 632B, and 634B, and then back to 61 IB, 613B, 621B, 623B, 631B, and 633B.
  • Such a solution provides narrow high gain beams with no or little interference with neighboring beams (thus providing good SINR and throughput), while also providing multiple high isolation beams in a 120 degree sector (thus providing good capacity).
  • RF lens as compared to phased array antenna has much higher isolation between beams, further can provide similar shaped (beamwidth, sidelobes) beams across a 120 degree sector (i.e., no or little beam degradation over 120 degree sector unlike a phased array antenna).
  • beams 701B, 702B, 703B, 704B, 705B, 706B, 707B, and 708B are powered and narrowed directed by horn antennas 701B, 702B, 703B, 704B, 705B, 706B, 707B, and 708B, respectively.
  • Beam scanning for a cell tower using concepts discussed herein would likely require very rapid switching on/off of the beams/elements. Such switching could advantageously be executed in nanosecond timeframes.
  • Figure 8 is a simplified version of Figure 6.
  • the four beams in each of the three regions 602, 604, 608 can be powered by a different 8x8 radio.
  • Beams 602A, 602B, 602C, and 602D are powered by 8x8 Radio 602R
  • beams 604A, 604B, 604C, and 604D are powered by 8x8 Radio 604R
  • beams 602A, 602B, 602C, and 602D are powered by 8x8 Radio 602R.
  • lens 850 and the various beams in Figure 8 are not drawn to scale.
  • Frequency Division Duplex is problematic for beam formed configurations, but not for the above-described lens-based, or other sequential beam scanning configurations.
  • Prior art Figure 9 shows that scanning using FDD at 1.7 GHz and 2.7 GHz with elements 902, 904, 906, 908 is problematic with beam forming because the different frequencies have slightly different coverage areas and different beam shape s/direction (beam 910 for 2.7 GHz, beam 920 for 1.7 GHz).
  • a beam forming phased array antenna can also create PIM (passive inter modulation) which is not desirable.
  • RF Lens antenna Unlike a phased array antenna, RF Lens antenna provides much better beamwidth stability over larger frequency range (wider band) and thus can be suitable to be used in both TDD and FDD modes.
  • the proposed solution provides a solution for having multiple radios/multiple beams covering required sector with high capacity and thru put, number of radios/beams can vary depending on requirement.
  • beams 601B could operate at 1.7 GHz concurrently with beams 602B operating at 2.7 GHz, with little to no interference.
  • Single elements / beams could also concurrently use multiple frequencies.
  • elements 601E, 603E, 605E, 607E could concurrently use both 1.7 GHz and 2.7 GHz, and then elements 602E, 604E, 606E and 608E could concurrently use both 1.7 GHz and 2.7 GHz

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne des systèmes, des procédés et des dispositifs permettant d'adapter des systèmes de formation de faisceau à réseau de multiples éléments pour fonctionner avec de multiples antennes à faisceau passives, telles qu'une lentille RF. Différents faisceaux peuvent être alimentés de manière séquentielle par différents éléments répartis autour d'une lentille RF. L'utilisation de la lentille dirige de manière native les faisceaux de chaque élément dans une direction différente pour effectuer un balayage à travers une région de secteur ou de sous-secteur. De telles adaptations sont mises en œuvre au moyen d'un matériel, d'un logiciel ou des combinaisons de ceux-ci. Des adaptations matérielles comprennent l'introduction d'un réseau de formation de faisceau inverse en combinaison avec des radios de formation de faisceau classiques. Des adaptations logicielles comprennent la configuration d'un processeur pour former une interface avec des têtes radio standards et une antenne à lentille RF pour délivrer une fonctionnalité de formation de faisceau. Une rétroaction de livre de codes est rendue compatible avec une formation de faisceau de lentille sans changer l'équipement utilisateur, en modifiant les signaux de référence de CSI envoyés par le gNodeB pour compenser l'opération inutile de transformée de Fourier discrète.
PCT/US2025/011982 2024-01-19 2025-01-17 Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite Pending WO2025155790A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202463623135P 2024-01-19 2024-01-19
US63/623,135 2024-01-19
US18/926,762 2024-10-25
US18/926,762 US20250240074A1 (en) 2024-01-19 2024-10-25 Method of Adapting Wireless Network Beamforming to Antenna With Fixed Multiple Beams
US202463729545P 2024-12-09 2024-12-09
US63/729,545 2024-12-09

Publications (1)

Publication Number Publication Date
WO2025155790A1 true WO2025155790A1 (fr) 2025-07-24

Family

ID=96472040

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2025/011982 Pending WO2025155790A1 (fr) 2024-01-19 2025-01-17 Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite

Country Status (1)

Country Link
WO (1) WO2025155790A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030008654A9 (en) * 2000-11-10 2003-01-09 Nortel Networks Limited Multibeam wireless communications method and system including an interference avoidance scheme in which the area of each transmitted beam is divided into a plurality of sub-areas
US20040127174A1 (en) * 2002-12-30 2004-07-01 Motorola, Inc. Method and system for minimizing overlap nulling in switched beams
US20160327776A1 (en) * 2015-05-04 2016-11-10 The University Of Hong Kong Apparatus and method for quantitative phase-gradient chirped-wavelength-encoded optical imaging
US20180131434A1 (en) * 2016-11-04 2018-05-10 Qualcomm Incorporated Beam management for various levels of beam correspondence
US20190037416A1 (en) * 2016-03-31 2019-01-31 Commscope Technologies Llc Lensed antennas for use in wireless communications systems
US20190052351A1 (en) * 2016-03-02 2019-02-14 Mitsubishi Electric Corporation Multi-beam satellite communication system
US20200274611A1 (en) * 2017-04-10 2020-08-27 Viasat, Inc. Coverage area adjustment to adapt satellite communications
US20210036437A1 (en) * 2018-04-18 2021-02-04 Huawei Technologies Co., Ltd. Antenna system, feeding network reconfiguration method, and apparatus
US20220158697A1 (en) * 2017-02-06 2022-05-19 Telefonaktiebolaget Lm Ericsson (Publ) Csi reporting on small control channels
US20220311489A1 (en) * 2019-08-05 2022-09-29 Cohere Technologies, Inc. Spectral sharing wireless systems
US20220369148A1 (en) * 2017-11-17 2022-11-17 Huawei Technologies Co, Ltd. System and Method for Channel Measurement and Interference Measurement in Wireless Network

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030008654A9 (en) * 2000-11-10 2003-01-09 Nortel Networks Limited Multibeam wireless communications method and system including an interference avoidance scheme in which the area of each transmitted beam is divided into a plurality of sub-areas
US20040127174A1 (en) * 2002-12-30 2004-07-01 Motorola, Inc. Method and system for minimizing overlap nulling in switched beams
US20160327776A1 (en) * 2015-05-04 2016-11-10 The University Of Hong Kong Apparatus and method for quantitative phase-gradient chirped-wavelength-encoded optical imaging
US20190052351A1 (en) * 2016-03-02 2019-02-14 Mitsubishi Electric Corporation Multi-beam satellite communication system
US20190037416A1 (en) * 2016-03-31 2019-01-31 Commscope Technologies Llc Lensed antennas for use in wireless communications systems
US20180131434A1 (en) * 2016-11-04 2018-05-10 Qualcomm Incorporated Beam management for various levels of beam correspondence
US20220158697A1 (en) * 2017-02-06 2022-05-19 Telefonaktiebolaget Lm Ericsson (Publ) Csi reporting on small control channels
US20200274611A1 (en) * 2017-04-10 2020-08-27 Viasat, Inc. Coverage area adjustment to adapt satellite communications
US20220369148A1 (en) * 2017-11-17 2022-11-17 Huawei Technologies Co, Ltd. System and Method for Channel Measurement and Interference Measurement in Wireless Network
US20210036437A1 (en) * 2018-04-18 2021-02-04 Huawei Technologies Co., Ltd. Antenna system, feeding network reconfiguration method, and apparatus
US20220311489A1 (en) * 2019-08-05 2022-09-29 Cohere Technologies, Inc. Spectral sharing wireless systems

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