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Over-the-Air Time S...
Over-the-Air Time Synchronization for URLLC : Requirements, Challenges and Possible Enablers
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- Mahmood, Aamir, 1980- (författare)
- Mittuniversitetet,Avdelningen för informationssystem och -teknologi,Communication Systems and Networks (CSN)
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- Ashraf, Ikram (författare)
- University of Oulo and Ericsson Research, Finland
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- Gidlund, Mikael, 1972- (författare)
- Mittuniversitetet,Avdelningen för informationssystem och -teknologi,Communication Systems and Networks (CSN)
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- Torsner, Johan (författare)
- Ericsson Research, Finland
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(creator_code:org_t)
- IEEE, 2018
- 2018
- Engelska.
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Ingår i: Proceedings of the International Symposium on Wireless Communication Systems. - : IEEE. - 9781538650059
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Ultra-reliable and low-latency communications (URLLC) is an emerging feature in 5G and beyond wireless systems, which is introduced to support stringent latency and reliability requirements of mission-critical industrial applications. In many potential applications, multiple sensors/actuators collaborate and require isochronous operation with strict and bounded jitter, e.g., 1µs. To this end, network time synchronization becomes crucial for real-time and isochronous communication between a controller and the sensors/actuators. In this paper, we look at different applications in factory automation and smart grids to reveal the requirements of device-level time synchronization and the challenges in extending the high-granularity timing information to the devices. Also, we identify the potential over-the-air synchronization mechanisms in 5G radio interface, and discuss the needed enhancements to meet the jitter constraints of time-sensitive URLLC applications.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorteknik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Engineering (hsv//eng)
Nyckelord
- URLLC
- Synchronization
- 5G
- Industrial IoT
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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