Ahmad Hassan
ABSTRACT
5G and future 6G networks support diverse combinations of access technologies, architectures, and radio frequencies, with each combination termed as a "band" henceforth. Through comprehensive measurements in 12 cities across 5 countries, we experimentally show that operator-configured default bands are often highly sub-optimal, particularly under mobility. We then propose smart band switching, where a UE's band can be dynamically changed to improve the network performance and boost the application QoE. We discuss challenges, opportunities, and design choices for building a practical smart band switching system. We further develop preliminary UE-side band-switching logic on commodity smartphones, and evaluate it on commercial 5G networks.
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- Ahmad Hassan, Arvind Narayanan, Anlan Zhang, Wei Ye, Ruiyang Zhu, Shuowei Jin, Jason Carpenter, Z. Morley Mao, Feng Qian, and Zhi-Li Zhang. 2022. Vivisecting Mobility Management in 5G Cellular Networks. In Proceedings of the ACM SIGCOMM 2022 Conference (SIGCOMM '22). Association for Computing Machinery, New York, NY, USA, 86--100. Google ScholarDigital Library
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- Arvind Narayanan, Xumiao Zhang, Ruiyang Zhu, Ahmad Hassan, Shuowei Jin, Xiao Zhu, Xiaoxuan Zhang, Denis Rybkin, Zhengxuan Yang, Zhuoqing Morley Mao, Feng Qian, and Zhi-Li Zhang. 2021. A Variegated Look at 5G in the Wild: Performance, Power, and QoE Implications. In Proceedings of the 2021 ACM SIGCOMM 2021 Conference (SIGCOMM '21). Association for Computing Machinery, New York, NY, USA, 610--625. Google ScholarDigital Library
- Kevin Spiteri, Rahul Urgaonkar, and Ramesh K. Sitaraman. 2020. BOLA: Near-Optimal Bitrate Adaptation for Online Videos. IEEE/ACM Trans. Netw. 28, 4 (aug 2020), 1698--1711. Google ScholarDigital Library
- Shichang Xu, Ashkan Nikravesh, and Z. Morley Mao. 2019. Leveraging Context-Triggered Measurements to Characterize LTE Handover Performance. In Passive and Active Measurement, David Choffnes and Marinho Barcellos (Eds.). Springer International Publishing, Cham, 3--17.Google Scholar
Index Terms
- The Case for Boosting Mobile Application QoE via Smart Band Switching in 5G/xG Networks
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