Communication Solutions

Communication Systems As the company name suggests, the development of communication solutions with a focus on mobile and satellite radio communication has been an important part of IMST's service portfolio from the very beginning. After the decline of mobile radio development in Europe, we have established new business fields in the area of so-called Short Range Device (SRD) communication with many different technologies such as Zigbee, WLAN, Bluetooth, WMBus, LoRa, etc. Another new area of business has emerged in the field of radar technology, where we can now offer solutions for many frequency ranges and applications. If no suitable standard exists for specific customer applications, we also develop proprietary systems according to the customer's specifications. We support our customers in the development of communication systems or the integration of standardised radio technologies in applications. This includes both the RF and digital hardware, the communication and application software, the antennas and the final certification of the solutions.

Mobile Communication

Mobile communication has been with us for 30 years. We have done and still do development and integration projects for our customers in all generations of digital mobile communications from GSM (2G), UMTS (3G), LTE (4G) and 5G. For example, we developed the mobile radio modem for the D and E networks in the first Radiophone for Blaupunkt, the RF parts of some mobile phones for Siemens Mobile, RF amplifiers for mobile phones with Renesas and many other mobile radio solutions. We are currently building up know-how in the area of 6G in several large research projects and are working on the first preliminary developments in order to be able to offer developments for customers in this area as well.

Satellite Communication

For satellite communication, we have been working on both the so-called ground segment and the space segment since the beginning. One focus of our satellite topics are diverse antenna concepts and antennas in different frequency bands for installation on vehicles of all kinds. Today, we are one of the recognised experts for (active) phased array antennas. We have also developed an RF distribution network under space conditions for an earth observation satellite, downconverters for various satellite bands and radiation-resistant RF components and integrated circuits.

Short Range Device (SRD) Communication

Since the end of the 1990s, IMST engineers have been developing so-called short range devices or integrating short range communication modules into customer applications. In most cases, these are standardised radio technologies such as LoRaWAN, Wireless M-Bus, WLAN, Bluetooth, Nearfield Communication (NFC), EnOcean, etc., but also proprietary radio solutions in the licence-free ISM bands. With our wealth of experience in the various standards, we can implement almost all short-range communication solutions.

Proprietary Communication Systems

Standardised communication systems always require an overhead in the data packet to fulfil interoperability within the standard. Since the overhead uses data and consumes energy, a standard may be unsuitable for applications with very low energy budgets, real-time requirements or large amounts of useful data. In these cases, or in cases for which no standard exists at all, we develop proprietary communication systems from the scratch according to customer requirements, which does not conform to a standard. For example, we offer proprietary protocol stacks based on LoRa modulation that use the advantages of LoRa modulation and are optimally matched to the reqirements of the application. Or we develop high data rate radio systems for industrial automation.

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