HJWAVE 에이치제이웨이브

  From Autonomous Driving to Telecommunications – Next-Generation Antenna Technology in the Spotlight HJWAVE (CEO Taehwan Yoo), a specialist in millimeter-wave (mmWave) RF technology, announced that it will participate in the 13th Summer Conference of the Korean Institute of Electromagnetic Engineering and Science (KIEES), to be held from August 20 to 23 at Alpensia Resort in Pyeongchang, Gangwon Province. At the exhibition, HJWAVE will showcase a total of 10 strategic products, including 3D waveguide antennas for autonomous vehicles, antennas for defense, aerospace and satellite applications, as well as antennas for telecommunications. These products have been designed to meet the needs of industries requiring stable performance in the millimeter-wave spectrum and have already undergone technology validation and reliability testing in real-world markets. Through its advanced three-dimensional structural design, HJWAVE minimizes high-frequency signal loss while delivering superior ...

  <HJWAVE’s Factory in YongIn, Korea> HJWAVE (CEO Tae-Hwan Yoo), a specialized company in millimeter-wave (mmWAVE, 30~300GHz) RF technology, announced that it has established a 3D waveguide antenna production line. A representative from HJWAVE stated, “We have built the first phase of a mass production line for millimeter-wave 3D waveguide antennas at our YongIn factory. Currently, the capacity is set at 500,000 units per year, but by early November, we plan to expand production capacity to 2 million units annually by adding additional automation processes.” The representative further explained, “Depending on future orders, we plan to further expand the YongIn factory to increase production capacity to up to 15 million units annually.” The representative continued, “This newly established equipment can mass-produce products across various millimeter-wave frequencies, including 24GHz, 60GHz, 77GHz, 79GHz, and 140GHz, that we have secured in our lineup.” They further explained,...

 Secures 6 Patents for 20 to 80-Degree Beam Tilt Structure Millimeter-wave (mmWAVE) RF specialist HJWAVE (CEO Tae-Hwan Yoo) announced on the 7th that it has launched an antenna with a beam tilt function designed to improve the installation of corner radar used in autonomous vehicles. Corner radar is a type of radar installed at the corners of a vehicle. A representative from HJWAVE stated, "Previously, vehicle radars were categorized based on distance into LRR (Long Range Radar), MRR (Middle Range Radar), and SRR (Short Range Radar). However, with the application of 3D waveguide antenna technology, there is now a trend towards classifying radars based on their installation positions." They explained, "Corner radar is mounted at four corners of the vehicle, enabling it to detect distances over 200 meters and provide 360-degree coverage around the vehicle. Beam tilt technology is essential for corner radar to ensure installation flexibility within the vehicle." The re...

   <PCB Phase Array Type Antenna(Left), Waveguide Type Antenna(Right) > HJWAVE (CEO Tae-Hwan Yoo), a specialized company in millimeter wave (mmWAVE, 30~300GHz) technology, announced on the 9th that it has launched two types of antennas exclusively for imaging radar. The new products utilize a cascading structure with four chips to implement Tx16*Rx16, a total of 256 elements. The first method, a PCB Phase Array structure, incorporates an EBG (Electromagnetic Band Gap) structure to eliminate the channel deviation and ripple that are typical shortcomings of conventional methods. The second method, the WGIM (Waveguide Injection Molded) 3D antenna structure, consists of three layers and improves channel deviation by 40% and ripple by 20% compared to the improved PCB Phase Array method. HJWAVE CEO Tae-Hwan Yoo stated, “Our company maintains over 95% accuracy when comparing simulation results during the development stage with the performance measurements of the actual products...

  Millimeter-wave Pencil Beam Antenna achieving a 7GHz bandwidth (57~64GHz), a beam width of 6 degrees, and a gain of 33dBi <60GHz Pencil Beam Antenna released by HJWAVE> Millimeter-wave (mmWAVE, 30~300GHz) specialist HJWAVE (CEO Tae-Hwan Yoo) announced on the 19th that it has launched a ‘Pencil Beam Antenna’ with a beam width of within 6 degrees (horizontal & vertical) at a frequency of 60GHz. This product features a waveguide slot array composed of 256 element devices arranged in three layers, providing a wide bandwidth of 7GHz from 57GHz to 64GHz. It has a gain of 33dBi and a size of 7.5×7.5cm. Additionally, four slots are implemented in a 2×2 sub-array configuration, with these sub-arrays arranged in vertical and horizontal directions with 8 units each, resulting in a 16×16 configuration of 256 slot arrays. This design allows the antenna to operate with a beam width of 6 degrees in both vertical and horizontal directions, functioning as a Pencil Beam Antenna. An HJWAV...

  < Waveguide Type 24GHz PCB Antenna and Performance Measurement Results > HJWAVE, a millimeter-wave (mmWave, 30~300GHz) RF specialist company led by CEO YOO Tae-Hwan, announced on the 8th that they have launched a 24GHz waveguide antenna implemented on PCB. HJWAVE has introduced a waveguide technology integrated into PCB using Copper and Via, departing from the conventional method of producing waveguide antennas solely through plating on metal or injection molding. A representative from HJWAVE stated, “In smart city-based ITS (Intelligent Transport Systems), collaborative driving between vehicles and traffic control systems is essential, requiring high detection range and wide detection area capabilities of traffic control radar. To achieve this, we have developed PCB antennas incorporating waveguide technology in the 24GHz frequency band, allowing for improvements in detection range, expansion of detection area, size reduction, and cost savings.” HJWAVE’s CEO, YOO Tae-Hwan,...

  Exclusive Production of Civilian and Autonomous Driving Radar and Antennas HJWAVE Factory Scenery On the 19th, HJWAVE (CEO YOO TaeHwan), a specialist in millimeter wave RF technology, announced that it has completed the construction and commenced operations of a three-story factory spanning 870 pyeong (approximately 2,874 square meters) on the ground and 1,270 pyeong (approximately 4,188 square meters) in total floor space in the Yongin Techno Valley in Gyeonggi Province. This factory holds SQ (Supply Quality) certification, enabling it to produce and supply finished products to Hyundai Motor Company and Kia Corporation, as well as IATF-16949 certification for overseas component supply. Currently, it supplies finished products to domestic and Japanese customers and plans to further establish its identity as a specialist manufacturer of millimeter wave (mmWAVE, 30~300GHz) products by constructing additional production facilities, including radar antenna and assembly lines. CEO YOO...

  • Waveguide antenna technology for autonomous driving radar recognized HJWAVE (CEO TaeHwan YOO), a specialist in millimeter-wave (mmWAVE, 30~300GHz) band RF technology announced that it has been selected for the ‘TOP AUTOMOTIVE SOLUTIONS PROVIDER 2023’ by the global IT magazine CIO Review APAC. CIO Review APAC, a specialized magazine in the field of technology and solutions, has selected HJWAVE, which possesses waveguide radar antenna technology for autonomous driving radar, as a company with innovative and technological capabilities in the Asia-Pacific region. CIO Review APAC explained, “HJWAVE is pioneering the radar antenna market and developing radar antennas using waveguide techniques,” and stated, “Through various research and development projects, it is growing and setting new standards in autonomous vehicle sensor technology.” The antenna for autonomous driving radar, which incorporates HJWAVE’s technology, satisfies both wide-angle and broadband requirements simultaneous...

( HJWAVE's CEO, TaeHwan YOO )   HJWAVE, a specialized RF (Radio Frequency) solutions provider in the millimeter-wave (mmWave) range (30~300GHz), has announced on the 26th that they are launching dedicated antennas for multi-channel imaging radars and setting up dedicated production facilities. These products are designed for a wide range of applications, including autonomous driving imaging radars, perimeter surveillance, and boundary radar systems. They focus on meeting the high-resolution requirements of imaging radars by offering support for multiple channels and improving vertical and horizontal resolutions with an emphasis on reducing Angel Error. Traditionally, radars have supported 12~16 channels, but this product expands support to 144~256 channels. It utilizes a waveguide injection molding antenna technique, which can improve channel-to-channel deviations and radiation patterns by over 60% compared to conventional PCB Phase Array antenna methods. A company representative s...

  HJWave, a specialized RF company in the field of autonomous driving millimeter-wave (mmWave, 30~300GHz), announced on September 1st that they have launched the DWnT antenna solution applicable to the RF MMIC DF (Direct Feeding) coupling method that supports autonomous driving. The DWnT (Double Wide and Tilt) antenna is focused on enhancing performance for full autonomous driving by eliminating constraints that arise when mounting radar on vehicles. It features the ability to perform beam tilt from 20 to 80 degrees, which is essential for full autonomous driving, and minimizes losses in the gap that occurs when RF MMIC is combined with the antenna through a non-contact transition technology. Furthermore, in line with the trend of Software Defined Vehicles (SDVs) in cars, to secure the price competitiveness of radar, cost reduction through technology has been achieved at the antenna (component) level, and a business model for modules that combine RF MMIC and antennas is being pursu...

  On the 9th, HJWAVE, a specialized company in the millimeter-wave RF field, announced that it has been exclusively selected for a Small and Medium Business Administration’s national project aimed at expanding the market for technological innovation and development. The selected project, titled “Development of Broadband, Wide-Angle Antenna for Reduced Performance Variation between Multiple Channels,” focuses on the technology development applied to autonomous driving image radars and high-resolution, high-definition radars for civilian surveillance. This technology aims to improve variations between multiple antenna channels by optimizing and reducing ripple effects, resulting in more than a 60% reduction in channel variations compared to conventional technologies. Additionally, this technology is expected to be a crucial element for high-resolution radar systems, enhancing the vertical and horizontal resolution, speed, and angle resolution of the radar to detect and differentiate ...

  HJWAVE, company specializing in autonomous driving materials, components, and equipment, announced on the 17th that its independently developed autonomous driving radar’s broadband and wide-angle antenna technology has been granted a patent by the United States Patent and Trademark Office. The patent, titled ‘MULTI-LAYER ANTENNA STRUCTURE SUPPORTING WIDE BAND AND WIDE ANGLE,’ enables the implementation of both broadband and wide-angle characteristics simultaneously. It represents an invention that significantly improves the bandwidth by 500% and widens the angle by 150% compared to conventional technologies, while also securing mass production capabilities and achieving an 82% weight reduction. This patent has already been registered domestically and is currently under application with the European Patent Office. Yoo Tae-hwan, the CEO of HJWAVE, stated, “The approval of this US patent validates our company’s distinctive proprietary technology compared to overseas competitors. Fur...

  RF specialist company HJ Wave Co., Ltd. (CEO Yoo Tae-Hwan) announced on the 4th that it has supplied four types of communication antennas to the smart factory of the world’s top white goods company. The supplied antennas include one type for AGVs (Automatic Guided Vehicles), which are unmanned transport vehicles, and three types for RSUs (Road Side Units) used for communication. The RSU antennas consist of a V2X antenna, an LTE/5G antenna, and a GPS L1&L2 antenna. These products support communication and autonomous logistics and driving between vehicles and road devices through the GNSS system for receiving location information. They also support connectivity to LTE/5G mobile communication networks. The V2X/GPS L1&L2 antenna supports frequencies of 1.2GHz, 1.5GHz, and 5.9GHz, with gains of 9-10dBi and 25-30dBic. The LTE/5G antenna operates in three frequency bands: 824-960MHz, 1710-2690MHz, and 3300-3900MHz, with an antenna gain of 2.5-5dBi. In addition, a communication a...