The Road Towards 6G: A Comprehensive Survey
نویسندگان
چکیده
As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and number 5G subscribers already reaches a very large scale. It is time for academia industry to shift their attention towards next generation. At this crossroad, an overview current state art vision future communications are definitely interest. This article thus aims provide comprehensive survey draw picture sixth (6G) terms drivers, use cases, usage scenarios, requirements, key performance indicators (KPIs), architecture, enabling technologies. First, we attempt answer question "Is there any need 6G?" by shedding light on its driving factors, which predict explosive growth traffic until 2030, envision potential cases scenarios. Second, technical requirements 6G discussed compared with those respect set KPIs quantitative manner. Third, state-of-the-art research efforts activities from representative institutions summarized, tentative roadmap definition, specification, standardization, regulation projected. Then, identify dozen technologies introduce principles, advantages, challenges, open issues. Finally, conclusions drawn paint "What may look like?". intended serve as enlightening guideline spur interests further investigations subsequent development systems.
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ژورنال
عنوان ژورنال: IEEE open journal of the Communications Society
سال: 2021
ISSN: ['2644-125X']
DOI: https://doi.org/10.1109/ojcoms.2021.3057679