This is due to the bursty (chatty) nature of data transmission to most users. Such features are already used with conventional systems in today's LTE networks. Ericsson Spectrum Sharing introduces a new way of rolling out 5G that re-uses hardware/spectrum/sites, increases coverage of mid/high band, and offer a clear path to 5G stand alone, allowing operators to shift capex investments from new sites to new 5G stand alone use cases. BT said … Determining what kind of AAS configuration is most appropriate and cost effective for a particular deployment scenario requires a mix of knowledge about the scenario, possible site constraints and available AAS features, particularly the need for vertical steerability of beams, the applicability of reciprocity-based beamforming and the gain from MU-MIMO. Ericsson Multi-band 5G radios 1. 2. Ericsson announces smaller 5G antennas News Wire Feed Light Reading 6/30/2020 Comment (0) STOCKHOLM – Communications service providers can now deploy mid-band 5G … Ericsson sees 5G slowing in Europe but offset by China . Using larger sub-arrays for a given antenna area means that fewer radio chains are required. This allows the AAS to adapt the number of layers and determine how to beamform them. Figure 3: An array of sub-arrays supporting high total antenna gain and steerability. Further, the vertical coverage range needs to be large enough to cover the vertical spread of users. In dense urban high-rise scenarios with tall buildings and high subscriber density, an AAS with beamforming capabilities in both vertical and horizontal directions is the most beneficial option. Moreover, the sub-array radiation pattern determines the envelope of the narrow beams (the dashed shape in section C of Figure 3). The 5G site grid needs to provide wide mid-band capacity while re-using established sites and minimizing additional footprint. He later moved to the Systems & Technology organization to work closer to the implementation of multi antenna technologies. Maximizing the antenna area is important for improving the UL cell-edge data rates, especially for higher frequency bands employing TDD. Anders FuruskärAnders Furuskär joined Ericsson Research in 1997 and is currentlya senior expert focusing on radio resource management and performanceevaluation of wireless networks. Jonas KarlssonJonas Karlsson joined Ericsson in 1993. As part of generalized beamforming, it is also possible to reduce interference to other UEs, which is known as null forming. in engineering physics and a Ph.D. in signal processing from KTH Royal Institute of Technology in Stockholm, Sweden. The announcement comes David AstelyDavid Astely is currently a Principal Researcher with Ericsson Research in the radio area. Ericsson leveraged on the latest Kathrein Mobile Communications (KMC) antenna technology, and designed the Hybrid AIR site solution. in electrical engineeringand a Ph.D. in radio communications systems, both from KTH Royal Instituteof Technology in Stockholm. He is currently an Expert in Multi Antenna Systems at Product Development Unit 4G5G. Since then he has held various positions in Ericsson Research and in product development. The factory is targeted at producing 5G and advanced antenna radio systems for 5G deployments in the United States as that is where Ericsson is seeing a bulk of the initial market deployments. Horizontal beamforming is a very effective feature that provides large gains. 5G Radio (PA TRX Digital Filter Antenna Integration etc) Design Engineer. He holds an M.Sc. The … By combining multi frequency low band support with the AIR 3239, in a single unit, no extra footprint is needed for massive MIMO 5G. It should be noted that the practical benefits of many layers in MU-MIMO are limited by the fact that, in today's real networks, even with a high number of simultaneous connected users, there tends not to be many users who want to receive data simultaneously. For the case of UL channel estimation, there are differences depending on whether time division duplex (TDD) or frequency division duplex (FDD) is used. Base stations are typically deployed on rooftops, with inter-site distances of a few hundred meters. In addition, multiple signals may be simultaneously received or transmitted with different radiation patterns. It brings 5G to everyone, everywhere, much faster. The new solution, tested on a live network, used the new Ericsson 5G mmWave high power antenna-integrated radio AIR 5322, installed at the mobile site on Via Oriolo Romano in Rome, equipped with Ericsson’s extended range software. In order to use MU-MIMO, the system needs to find two or more users that need to transmit or receive data at the very same time. Finding the most suitable AAS variants to achieve performance gains and cost efficiency in a specific network deployment requires an understanding of the characteristics of both AAS and of multi-antenna features. Whereas basic beamforming has relatively low requirements on the necessary channel knowledge, generalized beamforming has higher requirements as more details about the multi-path propagation are needed. We help service providers maintain cutting-edge infrastructure that meets today’s needs and future growth. The key components to make this data call a success include Ericsson’s commercial radio hardware loaded with special extended-range software, Qualcomm’s Snapdragon X55 5G Modem-RF System with the QTM527 mmWave antenna module, housed in a fixed wireless access (FWA) customer-premises equipment (CPE), presumably supplied by the broadband technology company Casa Systems. This is particularly important when introducing 5G on existing site grids. MU MIMO is also appropriate at high loads due to the multi-path propagation environment, good link qualities and UE pairing opportunities. Each sub-array has a certain radiation pattern describing the gain in different directions. They combine FDD 2-5G antennas with mid-band M-MIMO panels, in two different design options. Steedan MA354 – Low Profile, 4-in-1 Magnetic Mount Combination Antenna with 2*5G/4G MIMO and 2*Wi-Fi 6 MIMO Add to Compare; Steedan MA350 – Low Profile, 5-in-1 Magnetic Mount Combination Antenna with Active GNSS, 2*5G/4G MIMO and 2*Wi-Fi 6 MIMO Add to Compare; Steedan 3-in-1 Magnetic Mount Combination Antenna with GNSS, 5G/4G & Wi-Fi Add to Compare; Steedan – Low Profile 3-in-1 … MIMO works in both UL and DL, but for simplicity the description below will be based on the DL. The potential is large when the received signal quality is high and the streams do not interfere with each other. Ericsson leveraged on the latest Kathrein Mobile Communications (KMC) antenna technology, and designed the Hybrid AIR site solution. As the tech firm that created the mobile world, and with more than 54,000 patents to our name, we’ve made it our business to make a mark. There are two basic ways of acquiring the DL channel knowledge between the UEs and the AAS: UE feedback and UL channel estimation. Erik LarssonErik Larsson joined Ericsson in 2005. To distinguish between DL layers, a UE needs to have at least as many receiver antennas as there are layers. The innovative solution, tested on a live network, was made possible thanks to the new Ericsson 5G mmWave high power antenna-integrated radio AIR 5322, installed at the mobile site on Via Oriolo Romano in Rome, equipped with Ericsson’s extended range software. There is a trade-off between sub-array gain and beam width – the larger the sub-array, the higher the gain and the narrower the beam width, as illustrated in section B of Figure 3. Swisscom is the leading provider of communication, IT and entertainment in Switzerland. AIR 6479 TDD AIR6479 2. When transmitting, beamforming is the ability to direct radio energy through the radio channel toward a specific receiver, as shown in the top left quadrant of Figure 1. Ericsson has announced it has inked another China Mobile deal, extending its 5G radio access network (RAN) partnership and charged with 5G core components for the second phase of … In multi-path scenarios, where the radio channel comprises multiple propagation paths from transmitter to receiver through diffraction around corners and reflections against buildings or other objects, it is beneficial to send the same data stream in several different paths (direction and/or polarization) with phases and amplitudes controlled in a way that they add constructively at the receiver [5]. Peter von ButovitschPeter von Butovitsch joined Ericsson in 1994 and currently serves as Technology Manager at Systems & Technology. New 20+1-Port Passive Antenna with 2L8M Bands Antenna 6600 2L 8M 2.0m. Ericsson (ERIC) Telefonaktiebolaget LM Ericsson (ERIC) is a Swedish telecommunication equipment … The main IP and market players – i.e. A good trade-off between complexity and performance could be achieved with 64 radio chains controlling small sub-arrays. By changing the phases of the sub-array signals in a certain way, this gain can be achieved in any direction, as shown in section A of Figure 3. Ericsson Antenna System is an integral part of Ericsson Radio System and provides a full range of high-quality products in the following areas: passive antennas, active antennas, filters and combiners, tower mounted amplifiers, feeder system, and accessories. This calls for small sub-arrays, which have a wide beam in the vertical direction. Therefore, the network capacity typically improves as the number of MIMO layers increases, to a point at which power sharing and interference between users result in diminishing gains, and eventually also losses. Outside of Switzerland, Swisscom operates Fastweb in Italy. 3 dB). Radio 8823 8T/8R radio 3.5GHz band. Expand Collapse. For FDD, where different frequencies are used for UL and DL, the channel is not fully reciprocal. He holds both an M.Sc. More elaborate evaluations of the performance achievable with AAS are available in reference [4]. The achievable capacity gains from MU-MIMO depend on receiving each layer with good signal-to-interference-and-noise-ratio (SINR). Compared to the dense urban high-rise scenario, traffic per area unit is lower. AAS is a powerful option for MNOs that want to improve coverage, capacity and user performance using existing network sites. DL transmission, on the other hand, is typically more challenging than UL reception because channel knowledge needs to be available before transmission. Desired AAS characteristics in the dense urban high-rise scenario include an antenna area large enough to ensure sufficient coverage (UL cell-edge data rate). The additional expertise brought by the acquisition of Kathrein’s antenna and filters business will broaden the Ericsson Radio System offering, which is vital for the introduction of 5G Networks 5G Radio Fredrik Jejdling, Executive Vice President and Head of Business Area Networks talks about our enhanced antenna system portfolio Ericsson Massive MIMO Macro 5G layer antennas 1. The same principles do, however, apply to both vertical and horizontal dimensions. Recent technology developments have made advanced antenna systems (AAS) a viable option for large scale deployments in existing 4G and future 5G mobile networks. The total antenna gain is the product of the array gain and the sub-array gain, as shown in section C of Figure 3. in electronic engineering from the National University of Ireland, Galway, and an M. Eng. It has unveiled two new radios for its AIR (antenna-integrated radio) family, which are designed to make it quicker, easier and cheaper to deploy midband 5G at scale. SU-MIMO can be achieved by sending different layers on different polarizations in the same direction. Radio 4402 for FDD 2. The Hybrid AIR single box solution means less time and complexity to secure 5G site approval, and consequently, easier and cost-effective deployments. Radio 8823 8T/8R radio 3.5GHz band. SU-MIMO can thereby increase the throughput for that user and increase the capacity of the network. Bo Göransson | Wireless@KTH | 5G & the multi antenna advantage | 2016-10-06 | Page 28 Ericsson 5G Roadmap 1st 5 Gbps throughput –June 2014 1st Dual Connectivity LTE-5G 1st Multipoint Connectivity with distributed MIMO 5G Radio Prototype field trials in 2016 Ericsson 5G field trial gear achieves peak downlink throughput over 25 Gbps with MU-MIMO Knowledge of the radio channels between the antennas of the user and those of the base station is a key enabler for beamforming and MIMO, both for UL reception and DL transmission. in engineering physics and a Ph.D. in electrical engineering, specializing in signal processing, from Uppsala University, Sweden. The suitable channel knowledge scheme to use depends on UL coverage and UE capabilities. Figure 4: Suitable AAS configurations, schematic MU-MIMO and SU-MIMO usage ranges, and typical capacity gains in different deployment scenarios. Many MNOs choose this strategy as it is often difficult, time consuming and expensive to acquire and deploy new sites. We continue to work and innovate to bring the best end-user experience to our 5G subscribers.”, “The acquisition of KMC is a key component in enhancing our end-to-end portfolio. The contributors would like to thank Christer Friberg, George Jöngren, Håkan Olofsson, Niklas Jalden, Claes Tidestav, Patrik Karlsson and Niklas Wernersson for their valuable input to this white paper. This is referred to as reciprocity-based beamforming. The system includes hardware, software and services for radio, RAN Compute, antenna system, transport, power, enclosure and site solutions. A good trade-off between complexity and performance is an AAS with 8 to 16 radio chains. He has held various positions at Ericsson Research and in RAN system design over the years, and from 1999 to 2014 he worked for Ericsson in Japan and China. KMC are the best in antenna technology and have strengthened our 5G capabilities with a wide range of antenna solutions. The purpose of using a rectangular antenna array, as shown in section A of Figure 2, is to enable high-gain beams and make it possible to steer those beams over a range of angles. Radio 4408 for TDD. (Image Source: Bevin Fletcher/Wireless Week) To see how an antenna array creates steerable high-gain beams, we start with an antenna array of a specific size, which is then divided into sub-arrays of different sizes. Together with the high site density, this leads to a situation where the signals from interfering base stations are strong, and severe interference problems may occur. by Linda Hardesty | Apr 22, 2020 12:31pm. Single-user MIMO (SU-MIMO) is the ability to transmit one or multiple data streams, called layers, from one transmitting array to a single user. Steerability is achieved by individually controlling the amplitude and phase of smaller parts of the antenna array. Today's complex antenna systems with multiple frequencies and multiple technologies on the same radio site, put great demands on the ability to create effective solutions. Swisscom has more than 19,000 employees and is one of the most innovative and sustainable companies in Switzerland. For TDD, the same frequency is used for both UL and DL transmission. In typical MBB deployments with the current 64T64R AAS variants, the vast majority of the DL and UL capacity gains can be achieved with up to 8 layers. without impairing the installation object's appearance or design, or people's line of sight. Modern Slavery Statement | Privacy | Legal | © Telefonaktiebolaget LM Ericsson 1994-2021, “At Swisscom, we have rolled out 5G capacity across Switzerland. The array gain is referred to as the gain achieved when all sub array signals are added constructively (in phase). This is achieved by controlling the transmitted signals in a way that they cancel each other out at the interfered UEs. Ericsson Radio System comprises hardware, software and services for radio, RAN Compute, antenna system, transport, power, enclosure and site solutions– all run by a common management system. Ericsson Spectrum Sharing completely transforms the way 5G is introduced across the world. in electrical engineering and engineering physics from Linköping University (Sweden) and a Ph.D. in signal processing from KTH Royal Institute of Technology in Stockholm. MIMO builds on the basic principle that when the received signal quality is high, it is better to receive multiple streams of data with reduced power per stream, than one stream with full power. OUR KEY BENEFITS. The test, set up on the TIM 5G network, was based on an Ericsson 5G mmWave high-power, antenna-integrated radio AIR 5322, installed at the mobile … 2. The urban low-rise scenario illustrated in section B of Figure 4 represents many of the larger cities around the world, including the outskirts of many high-rise cities. Along the walls at one of Ericsson's demos, the strip was embedded behind a … He joined Ericsson Research in 1998, where he worked with research and standardization of 3G and 4G physical layer with a special interest in MIMO and beamforming technologies. Figure 1: Beamforming and MIMO, with the different colors of the filled beams representing streams. In multi-user MIMO (MU-MIMO), which is shown in the bottom right quadrant of Figure 1, the AAS simultaneously sends different layers in separate beams to different users using the same time and frequency resource, thereby increasing the network capacity. DL longer-term channel knowledge (such as dominant directions) can, however, be obtained by suitable averaging of UL channel estimate statistics. We have chosen three typical use cases that illustrate different aspects of AAS deployment: rural/suburban, urban low-rise and dense urban high-rise. For UE feedback, the base station transmits known signals in the DL that UEs can use for channel estimation and generation of feedback that is transmitted on control channels in the UL to the AAS. The gain and beam width depend on the size of the sub-array and the properties of the individual antenna elements. AIR 4488 Triple-band antenna, 4T/4R, 3 bands, low-band and mid-band, 7 frequency bands AIR4488 3. Partitioning the antenna into small sub-arrays results in high-gain beams that can be steered over a large range of angles and effectively addresses the interference problems seen with conventional systems. The potential diminishes when the mutual interference between streams increases. Ericsson Massive MIMO 5G integrated passive antennas 1. Ericsson Multi-band 5G radios 1. To address these needs and more, Ericsson has designed a new hybrid site solution for excellent multi-standard capabilities and 5G performance. Multi-antenna techniques, here referred to as AAS features, include beamforming and MIMO. For UL reception of data signals, channel estimates can be determined from known signals received on the UL transmissions. An advanced antenna system (AAS) is a combination of an AAS radio and a set of AAS features. Billy HoganBilly Hogan joined Ericsson in 1995, and has worked in many areas of core and RAN design and systemization, including as the Senior Specialist for Enhanced Uplink in WCDMA. Modern Slavery Statement | Privacy | Legal | © Telefonaktiebolaget LM Ericsson 1994-2021, Redefine customer experience in real time, https://www.elsevier.com/books/5g-nr-the-next-generation-wireless accesstechnology/dahlman/978-0-12-814323-0, https://www.ericsson.com/en/ericsson-technology-review, https://www.ericsson.com/en/ericsson-technology-review/archive/2017/designing-for-the-future-the-5g-nr-physical-layer, https://www.ericsson.com/en/ericsson-technology-review/archive/2017/evolving-lte-to-fit-the-5g-future, https://www.ericsson.com/en/ericsson-technology-review/archive/2014/5g-radio-access, Massive MIMO brings high-speed mobile internet to football fans. Working with Ericsson and deploying the Hybrid AIR, we are now delivering wide mid-band capacity, while re-using established sites and minimizing additional footprint, with the Hybrid AIR. Active and Passive Antennas. Also, for efficient MU-MIMO, the interference between the users should be kept low. As with SU-MIMO, the total DL power is shared between the different layers, and therefore the power (and thus SINR) for each user is reduced as the number of simultaneous MU-MIMO users increases. For full channel estimation, signals should be sent from each UE antenna and across all frequencies. End-to-end solutions for the construction of 5G radio sites that are both future-proof and cost-effective for mobile networks that will operate profitably. This scenario calls for an AAS with a large antenna area and the ability to support horizontal beamforming. The new site solution for Swisscom introduces 3.5GHz support using a 32TRx radio on existing sites. Since data usage is currently increasing at a much faster rate than corresponding revenue, mobile network operators (MNOs) must evolve the RAN in a way that enables a reduced cost per bit while meeting new demands for end-user performance. Apply now » Posted date: Dec 19, 2020 Location: Beijing, 11, CN Company: Ericsson. This is referred to as generalized beamforming, as shown in the upper right quadrant of Figure 1. The 5G glass antenna's small size and transparent appearance allow it to be installed unobtrusively in buildings, vehicles, etc. As a result, AAS significantly enhances network performance in both uplink and downlink. Yole Développement: Antennas for 5G and 5G-related applications: a young but already highly-competitive IP domain. 5G New Radio on FDDHow to quickly add capacity and boost network throughput with FDD Massive MIMO. Such an easy way to extend the passive antenna network for 5G. The main network evolution driver is increased capacity or equivalently high end-user throughput for a given traffic load. He holds both an M.Sc. He received his Ph.D. in signal processing from KTH Royal Institute of Technology in 1999 and has been with Ericsson since 2001, where he has held various positions in both research and product development. T-Mobile and Ericsson have worked together to design, build and expand the T-Mobile 5G nationwide network since early in 2018. Telecommunications giant Ericsson today announced two new radios with integrated antennas it claims will ease deployment pains and speed the rollout of mid-band 5G. In short, both reciprocity and UE feedback based beamforming are needed. Therefore, large vertical sub-arrays with small vertical coverage areas are appropriate. End-user performance requirements continue to increase, putting high demands on the radio access network (RAN) to deliver increased coverage, capacity and end-user throughput. AAS enables state-of-the-art beamforming and MIMO techniques that are powerful tools for improving end-user experience, capacity and coverage. https://www.ericsson.com/.../advanced-antenna-systems-for-5g-networks Height and 448 mm width acquisition of new site solution line of sight Figure 3 ) is. 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