SungDuck Chun Author Overview The 5G system achieves a breakthrough increase in the key performance indicator of communication systems, compared to the previous generation 4G system. In addition, the 5G system introduced new functionalities supporting various emerging application scenarios. Based on the success of the 5G system, the 6G system is likely to emerge around … Read more
Mohammad G. Khoshkholgh D. Author This paper provides an overview of the current standardization progress in the 3rd Generation Partnership Project (3GPP) targeting integration of the satellite access network with New Radio (NR). It also discusses several impacted areas of NR, particularly in the physical layer and MAC layer, for incorporation of the satellite access … Read more
Reliable access to broadband services for every person (and everything) everywhere has been a reoccurring discussion for developing any modern cellular technologies. Despite substantial successes of 4G and 5G cellular systems, there are still unserved and underserved populations. Measurements reveal up to 400 million people around the world still encounter difficulties to enjoying stable and … Read more
Non-terrestrial network (NTN) is an umbrella term that encompasses cellular communication networks served by base stations floating in air. Low orbit flying objects, such as drones and uncrewed aerial vehicles (UAV) to higher orbit satellites make up the majority of NTN enablers. NTN may also include flying end-users, for example, airplanes in an air-to-ground (ATG) … Read more
The U.S. Department of Commerce (DOC) recently announced their 2022-2026 Strategic Plan. This plan centers around five key goals, the first of which is to drive U.S. innovation and global competitiveness. The strategy aims to “equip workers and companies to compete across the globe and attract foreign investment,” and solidify the country’s leadership in emerging … Read more
Hyukjin Chae Author Overview In the existing wireless communication systems, it has been studied about how quickly and how many packets could be delivered in time to how many devices. Beyond fifth generation (B5G) or sixth generation (6G) wireless communication systems can operate as a sensor for recognizing surrounding environments or objects as well as … Read more
Beam management has been one of the key enabling technologies employed in 5G new radio (NR) systems. This article discusses how the beam management mechanisms in 5G NR have been evolved, the current paradigm shift toward unified/common beam management, and other application scenarios jointly, to be optimized with the common beam management technology in Rel-17 … Read more
Overview In Release 15 of the 3rd Generation Partnership Project (3GPP) 5G new radio (NR), the basic handover is mainly based on the long-term evolution (LTE) handover mechanism in which a network controls mobility of user equipment (UE) based on measurement reports from UE. In the basic handover, a source next generation Node B (gNB) … Read more
Overview The IoT (Internet of Things) technologies using machine-type communications are already ordinary in our daily lives. The smart home and office using IFTTT (If This Then That) and OTA (over-the-air) updates in the car are examples that already affect our lives. For some time now, the devices connected to the internet, in use around … Read more
Overview Signals for transitioning to a radio resource control (RRC) connected state and maintaining the RRC connected state could cause overheads (e.g., power consumption and delay) to a wireless device having a small amount of data to transmit when in an RRC idle state or an RRC inactive state. The 3rd Generation Partnership Project (3GPP) … Read more
Higher frequency bands than that being employed in fifth generation (5G) communications, such as terahertz (THz) bands, are envisioned for future communications in the next decade. This article discusses envisioned use cases of THz communications, technical challenges, and the industry’s view of THz communications in sixth generation (6G) communications. download the whitepaper
Overview With the commercialization of fifth generation (5G) technologies, the communications industry has started research activities on a sixth generation (6G) communication system. This article discusses services and requirements of 6G as well as possible network architectures to support these requirements. What’s inside: This article discusses some new services and applications for 6G. To support … Read more
This article discusses eXtended Reality (XR) and aspects necessary for incorporating XR in fifth-generation (5G) new radio (NR) radio access network (RAN) as well as areas for potential enhancements for the commercial viability and scalability of XR supported by 5G networks. download the whitepaper
As Industrial Internet of Things (IIoT) emerges, reduction of human intervention becomes inevitable. To facilitate realization of promising features of future factory automation, 3GPP has launched various initiatives to study potential integration of 3GPP communication systems to support industry. Time sensitive communication offers deterministic network behavior to support real-time applications while non-public networks enable deployment … Read more
Along the long road 3GPP has traversed towards realization of cellular technologies operating in unlicensed bands, evolutions have taken place across the wireless industry and real-world applications, shaping, and at times, altering the expectations, design goals, and foundations of the technology. This paper provides an insight into such evolutions as well as brief descriptions of … Read more
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