publications

2025

1. CoNEXT

   OPCM: Opportunistic Performance-driven Connectivity Management for 5G/xG Networks 🏆

   Ahmad Hassan, Wei Ye, Anlan Zhang, and 9 more authors

   Proc. ACM Netw., 2025

   DOI Bib PDF Slides Website

   @article{10.1145/3768970,
     author = {Hassan, Ahmad and Ye, Wei and Zhang, Anlan and Fezeu, Rostand A. K. and Carpenter, Jason and Zhu, Ruiyang and Jin, Shuowei and Lee, Myungjin and Jajoo, Akshay and Mao, Morley and Zhang, Zhi-Li and Qian, Feng},
     title = {OPCM: Opportunistic Performance-driven Connectivity Management for 5G/xG Networks 🏆},
     year = {2025},
     issue_date = {September 2025},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     volume = {3},
     number = {CoNEXT4},
     url = {https://doi.org/10.1145/3768970},
     doi = {10.1145/3768970},
     journal = {Proc. ACM Netw.},
   }

2024

1. CoNEXT

   Wixor: Dynamic TDD Policy Adaptation for 5G/xG Networks 🏆

   Ahmad Hassan, Shivang Aggarwal, Mohamed Ibrahim, and 2 more authors

   Proc. ACM Netw., Nov 2024

   DOI Bib PDF Slides Website

   @article{10.1145/3696395,
     author = {Hassan, Ahmad and Aggarwal, Shivang and Ibrahim, Mohamed and Sharma, Puneet and Qian, Feng},
     title = {Wixor: Dynamic TDD Policy Adaptation for 5G/xG Networks 🏆},
     year = {2024},
     issue_date = {December 2024},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     volume = {2},
     number = {CoNEXT4},
     url = {https://doi.org/10.1145/3696395},
     doi = {10.1145/3696395},
     journal = {Proc. ACM Netw.},
     month = nov,
     articleno = {38},
     numpages = {24},
     keywords = {5g, resource assignment, tdd, tdd pattern, tdd scheduling},
   }

2. SIGCOMM

   Dissecting Carrier Aggregation in 5G Networks: Measurement, QoE Implications and Prediction

   Wei Ye, Xinyue Hu, Steven Sleder, and 9 more authors

   In Proceedings of the ACM SIGCOMM 2024 Conference, Sydney, NSW, Australia, Nov 2024

   DOI Bib PDF

   @inproceedings{10.1145/3651890.3672250,
     author = {Ye, Wei and Hu, Xinyue and Sleder, Steven and Zhang, Anlan and Dayalan, Udhaya Kumar and Hassan, Ahmad and Fezeu, Rostand A. K. and Jajoo, Akshay and Lee, Myungjin and Ramadan, Eman and Qian, Feng and Zhang, Zhi-Li},
     title = {Dissecting Carrier Aggregation in 5G Networks: Measurement, QoE Implications and Prediction},
     year = {2024},
     isbn = {9798400706141},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3651890.3672250},
     doi = {10.1145/3651890.3672250},
     booktitle = {Proceedings of the ACM SIGCOMM 2024 Conference},
     pages = {340–357},
     numpages = {18},
     keywords = {carrier aggregation, 4G, 5G, network measurement, mobile network throughput prediction, deep learning},
     location = {Sydney, NSW, Australia},
     series = {ACM SIGCOMM '24},
   }

3. NSDI

   Habitus: Boosting Mobile Immersive Content Delivery through Full-body Pose Tracking and Multipath Networking

   Anlan Zhang, Chendong Wang, Yuming Hu, and 5 more authors

   In 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24), Apr 2024

   Bib PDF

   @inproceedings{295677,
     author = {Zhang, Anlan and Wang, Chendong and Hu, Yuming and Hassan, Ahmad and Zhang, Zejun and Han, Bo and Qian, Feng and Xu, Shichang},
     title = {Habitus: Boosting Mobile Immersive Content Delivery through Full-body Pose Tracking and Multipath Networking},
     booktitle = {21st USENIX Symposium on Networked Systems Design and Implementation (NSDI 24)},
     year = {2024},
     isbn = {978-1-939133-39-7},
     address = {Santa Clara, CA},
     pages = {1677--1695},
     url = {https://www.usenix.org/conference/nsdi24/presentation/zhang-anlan},
     publisher = {USENIX Association},
     month = apr,
   }

4. HotMobile

   The Case for Boosting Mobile Application QoE via Smart Band Switching in 5G/xG Networks

   Ahmad Hassan, Wei Ye, Anlan Zhang, and 6 more authors

   In Proceedings of the 25th International Workshop on Mobile Computing Systems and Applications, San Diego, CA, USA, Apr 2024

   DOI Bib PDF

   @inproceedings{10.1145/3638550.3641132,
     author = {Hassan, Ahmad and Ye, Wei and Zhang, Anlan and Carpenter, Jason and Zhu, Ruiyang and Jin, Shuowei and Qian, Feng and Mao, Z. Morley and Zhang, Zhi-Li},
     title = {The Case for Boosting Mobile Application QoE via Smart Band Switching in 5G/xG Networks},
     year = {2024},
     isbn = {9798400704970},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3638550.3641132},
     doi = {10.1145/3638550.3641132},
     booktitle = {Proceedings of the 25th International Workshop on Mobile Computing Systems and Applications},
     pages = {127–132},
     numpages = {6},
     keywords = {band switching, band selection, network measurement, mobile QoE, band, radio bands},
     location = {San Diego, CA, USA},
     series = {HOTMOBILE '24},
   }

5. MMSys

   OASIS: Collaborative Neural-Enhanced Mobile Video Streaming 🏆

   Shuowei Jin, Ruiyang Zhu, Ahmad Hassan, and 5 more authors

   In Proceedings of the 15th ACM Multimedia Systems Conference, Bari, Italy, Apr 2024

   DOI Bib PDF

   @inproceedings{10.1145/3625468.3647610,
     author = {Jin, Shuowei and Zhu, Ruiyang and Hassan, Ahmad and Zhu, Xiao and Zhang, Xumiao and Mao, Z. Morley and Qian, Feng and Zhang, Zhi-Li},
     title = {OASIS: Collaborative Neural-Enhanced Mobile Video Streaming 🏆},
     year = {2024},
     isbn = {9798400704123},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3625468.3647610},
     doi = {10.1145/3625468.3647610},
     booktitle = {Proceedings of the 15th ACM Multimedia Systems Conference},
     pages = {45–55},
     numpages = {11},
     keywords = {Video streaming, deep neural networks, mobile computing, super-resolution},
     location = {Bari, Italy},
     series = {MMSys '24},
   }

6. WWW

   QUIC is not Quick Enough over Fast Internet

   Xumiao Zhang, Shuowei Jin, Yi He, and 4 more authors

   In Proceedings of the ACM on Web Conference 2024, Singapore, Singapore, Apr 2024

   DOI Bib PDF

   @inproceedings{10.1145/3589334.3645323,
     author = {Zhang, Xumiao and Jin, Shuowei and He, Yi and Hassan, Ahmad and Mao, Z. Morley and Qian, Feng and Zhang, Zhi-Li},
     title = {QUIC is not Quick Enough over Fast Internet},
     year = {2024},
     isbn = {9798400701719},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3589334.3645323},
     doi = {10.1145/3589334.3645323},
     booktitle = {Proceedings of the ACM on Web Conference 2024},
     pages = {2713–2722},
     numpages = {10},
     keywords = {http, network measurement, quic, transport, web performance},
     location = {Singapore, Singapore},
     series = {WWW '24},
   }

2023

1. IMC

   Poster: QUIC is not Quick Enough over Fast Internet

   Xumiao Zhang, Shuowei Jin, Yi He, and 4 more authors

   In Proceedings of the 2023 ACM on Internet Measurement Conference, Montreal QC, Canada, Apr 2023

   DOI Bib PDF

   @inproceedings{10.1145/3618257.3625002,
     author = {Zhang, Xumiao and Jin, Shuowei and He, Yi and Hassan, Ahmad and Mao, Z. Morley and Qian, Feng and Zhang, Zhi-Li},
     title = {Poster: QUIC is not Quick Enough over Fast Internet},
     year = {2023},
     isbn = {9798400703829},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3618257.3625002},
     doi = {10.1145/3618257.3625002},
     booktitle = {Proceedings of the 2023 ACM on Internet Measurement Conference},
     pages = {730–731},
     numpages = {2},
     keywords = {http/3, internet measurement, quic, transport protocol},
     location = {Montreal QC, Canada},
     series = {IMC '23},
   }

2. PAM

   An In-Depth Measurement Analysis of 5G mmWave PHY Latency and its Impact on End-to-End Delay

   Rostand A. K. Fezeu, Eman Ramadan, Wei Ye, and 8 more authors

   In Passive and Active Measurement, Apr 2023

   PDF

2022

1. SIGCOMM

   Vivisecting Mobility Management in 5G Cellular Networks

   Ahmad Hassan, Arvind Narayanan, Anlan Zhang, and 7 more authors

   In Proceedings of the ACM SIGCOMM 2022 Conference, Amsterdam, Netherlands, Apr 2022

   DOI Bib PDF Slides Website

   @inproceedings{hassan2022vivisecting,
     author = {Hassan, Ahmad and Narayanan, Arvind and Zhang, Anlan and Ye, Wei and Zhu, Ruiyang and Jin, Shuowei and Carpenter, Jason and Mao, Z. Morley and Qian, Feng and Zhang, Zhi-Li},
     title = {Vivisecting Mobility Management in 5G Cellular Networks},
     year = {2022},
     isbn = {9781450394208},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3544216.3544217},
     doi = {10.1145/3544216.3544217},
     booktitle = {Proceedings of the ACM SIGCOMM 2022 Conference},
     pages = {86--100},
     numpages = {15},
     keywords = {coverage, 5G, dataset, energy, handover, mobility, handover prediction, mobility management, network measurement, application performance},
     location = {Amsterdam, Netherlands},
     series = {SIGCOMM '22},
     talk = {https://dl.acm.org/doi/10.1145/3544216.3544217},
   }

2. INFOCOM

   A Comparative Measurement Study of Commercial 5G mmWave Deployments

   Arvind ^*Narayanan, Muhammad Iqbal ^*Rochman, Ahmad Hassan, and 5 more authors

   In IEEE INFOCOM 2022 - IEEE Conference on Computer Communications, Apr 2022

   DOI Bib PDF Slides Website

   @inproceedings{narayanan2022mmwave,
     author = {Narayanan, Arvind and Rochman, Muhammad Iqbal and Hassan, Ahmad and Firmansyah, Bariq S. and Sathya, Vanlin and Ghosh, Monisha and Qian, Feng and Zhang, Zhi-Li},
     booktitle = {IEEE INFOCOM 2022 - IEEE Conference on Computer Communications},
     title = {A Comparative Measurement Study of Commercial 5G mmWave Deployments},
     year = {2022},
     pages = {800-809},
     doi = {10.1109/INFOCOM48880.2022.9796693},
   }

2021

1. SIGCOMM

   A Variegated Look at 5G in the Wild: Performance, Power, and QoE Implications

   Arvind ^*Narayanan, Xumiao ^*Zhang, Ruiyang Zhu, and 9 more authors

   In Proceedings of the 2021 ACM SIGCOMM 2021 Conference, Virtual Event, USA, Apr 2021

   DOI Bib PDF Code

   @inproceedings{narayanan2021variegated,
     author = {Narayanan, Arvind and Zhang, Xumiao and Zhu, Ruiyang and Hassan, Ahmad and Jin, Shuowei and Zhu, Xiao and Zhang, Xiaoxuan and Rybkin, Denis and Yang, Zhengxuan and Mao, Zhuoqing Morley and Qian, Feng and Zhang, Zhi-Li},
     title = {A Variegated Look at 5G in the Wild: Performance, Power, and QoE Implications},
     year = {2021},
     isbn = {9781450383837},
     publisher = {Association for Computing Machinery},
     address = {New York, NY, USA},
     url = {https://doi.org/10.1145/3452296.3472923},
     doi = {10.1145/3452296.3472923},
     booktitle = {Proceedings of the 2021 ACM SIGCOMM 2021 Conference},
     pages = {610--625},
     numpages = {16},
     keywords = {video streaming, mmWave, power characteristics, network measurement, power model, dataset, energy efficiency, latency, 5G},
     location = {Virtual Event, USA},
     series = {SIGCOMM '21},
     talk = {https://dl.acm.org/doi/10.1145/3452296.3472923}
   }