Communications

Wireless and optical communications.

We conduct advanced research in wireless and optical communications from the network layer down to the physical layer, including highly reliable machine-to-machine wireless networks, routing and scheduling for IoT networks, massive MIMO for 5G systems, flexible wideband RF front-end architectures, advanced error correction coding, and novel modulation and transmission techniques with adaptive signal processing for coherent fiber-optic and free-space optical communications.

  • Researchers

  • Awards

    •  AWARD   MERL Researchers Won IEEE ICC Best Paper Award.
      Date: May 22, 2019
      Awarded to: Siriramya Bhamidipati, Kyeong Jin Kim, Hongbo Sun, Philip Orlik
      MERL Contacts: Kyeong Jin (K.J.) Kim; Hongbo Sun
      Research Areas: Artificial Intelligence, Communications, Machine Learning, Signal Processing, Information Security
      Brief
      • MERL researchers, Kyeong Jin Kim, Hongbo Sun, Philip Orlik, along with lead author and former MERL intern Siriramya Bhamidipati were awarded the Smart Grid Symposium Best Paper Award at this year's International Conference on Communications (ICC) held in Shanghai, China. There paper titled "GPS Spoofing Detection and Mitigation in PMUs Using Distributed Multiple Directional Antennas," described a technique to rapidly detect and mitigate GPS timing attacks/errors via hardware (antennas) and signal processing (Kalman Filtering)
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    •  AWARD   Former Intern Receives IBM Scientific Award Honorable Mention
      Date: January 16, 2019
      Awarded to: Daniel Dinis
      MERL Contact: Rui Ma
      Research Areas: Communications, Signal Processing
      Brief
      • Former MERL intern Daniel Dinis from University of Aveiro (UA), Portugal has received the 2018 IBM Scientific Award with Honorable Mention referring to the contributions on "Real-time Tunable Delta-sigma modulators for All-Digital RF Transmitters" in his Ph.D. study.

        The award-winning work includes research conducted under the supervision of Arnaldo Oliveira and José Neto Vieira, professors from the Department of Electronics and Information Technology (DETI) of the UA, as well as contributions made during Daniel's 7 month internship in 2017 at MERL.

        The ceremony for the presentation of the 28th IBM Scientific Prize took on January 16th, at the Noble Hall of the Superior Technical Institute. It was chaired by Marcelo Rebelo de Sousa, President of the Portuguese Republic.
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    •  AWARD   MERL researchers presented 5 papers at the 2016 Optical Fiber Communication Conference (OFC), including one "Top Scored" paper.
      Date: March 24, 2016
      Awarded to: Toshiaki Koike-Akino, Keisuke Kojima, David S. Millar, Kieran Parsons, Tsuyoshi Yoshida, Takashi Sugihara
      MERL Contacts: Toshiaki Koike-Akino; Keisuke Kojima; David Millar; Kieran Parsons
      Research Areas: Communications, Electronic and Photonic Devices, Signal Processing
      Brief
      • Five papers from the Optical Comms team were presented at the 2016 Optical Fiber Conference (OFC) held in Anaheim, USA in March 2016. The papers relate to enhanced modulation formats, constellation shaping, chromatic dispersion estimation, low complexity adaptive equalization and coding for coherent optical links. The top-scored paper studied optimal selection of coding and modulation sets to jointly maximize nonlinear tolerance and spectral efficiency.
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  • News & Events

    •  NEWS   MERL researcher Keisuke Kojima appointed as an Associate Editor of IEEE/OSA Journal of Lightwave Technology
      Date: January 1, 2020
      Where: IEEE/OSA Journal of Lightwave Technology
      MERL Contact: Keisuke Kojima
      Research Areas: Communications, Electronic and Photonic Devices
      Brief
      • Dr. Keisuke Kojima, Senior Principal Research Staff of MERL and Fellow of The Optical Society of America (OSA), has been appointed as Associate Editor of IEEE/OSA Journal of Lightwave Technology.

        IEEE/OSA Journal of Lightwave Technology is a semi-monthly hybrid open-access journal, co-sponsored by seven IEEE technical societies and OSA, has been publishing leading work in optical waveguide technologies and their applications, from integrated photonics to optical networks.
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    •  NEWS   MERL Scientists Presenting 11 Papers at IEEE Global Communications Conference (GLOBECOM) 2019
      Date: December 9, 2019 - December 13, 2019
      Where: Waikoloa, Hawaii, USA
      MERL Contacts: Jianlin Guo; Kyeong Jin (K.J.) Kim; Toshiaki Koike-Akino; Rui Ma; Philip Orlik; Pu (Perry) Wang
      Research Areas: Communications, Computer Vision, Machine Learning, Signal Processing, Information Security
      Brief
      • MERL Signal Processing scientists and collaborators will be presenting 11 papers at the IEEE Global Communications Conference (GLOBECOM) 2019, which is being held in Waikoloa, Hawaii from December 9-13, 2019. Topics to be presented include recent advances in power amplifier, MIMO algorithms, WiFi sensing, video casting, visible light communications, user authentication, vehicular communications, secrecy, and relay systems, including sophisticated machine learning applications. A number of these papers are a result of successful collaboration between MERL and world-leading Universities including: Osaka University, University of New South Wales, Oxford University, Princeton University, South China University of Technology, Massachusetts Institute of Technology and Aalborg University.

        GLOBECOM is one of the IEEE Communications Society’s two flagship conferences dedicated to driving innovation in nearly every aspect of communications. Each year, more than 3000 scientific researchers and their management submit proposals for program sessions to be held at the annual conference. Themed “Revolutionizing Communications,” GLOBECOM2019 will feature a comprehensive high-quality technical program including 13 symposia and a variety of tutorials and workshops to share visions and ideas, obtain updates on latest technologies and expand professional and social networking.
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  • Internships

    • SP1409: Coherent optical transmission systems

      MERL is seeking an intern to work on systems and subsystems for coherent optical fiber transmission. The ideal candidate would be an experienced PhD student or post-graduate researcher working in optical communications. The candidate should have a detailed knowledge of optical communications systems at the physical layer and digital signal processing for digital coherent communication, with a focus on optical fiber communication. Strong programming skills in Matlab are essential. Experience of working in a lab environment would be advantageous. Duration is 3 to 6 months.

    • SP1155: Coexistence of the Heterogeneous Wireless Technologies

      MERL is seeking a highly motivated, qualified intern to join the Electronics and Communications group for a three month internship program. The ideal candidate will be expected to carry out research on coexistence of the heterogeneous wireless technologies in the Sub-1 GHz (S1G) band. The candidate is expected to develop innovative coexistence technology for IEEE 802.15.4g to mitigate interference caused by other S1G technologies such as IEEE 802.11ah, LoRa and SigFox. The candidates should have knowledge of 802.15.4g and 802.11ah protocols. Additionally, the candidate should also be familiar with NS3 simulators. Candidates in their junior or senior years of a Ph.D. program are encouraged to apply.

    • SP1441: Advanced Phased Array Transceiver

      MERL is looking for a highly motivated, and qualified individual to join our internship program of advanced phased array research. The ideal candidate should be a senior Ph.D. student with rich experience in beam forming technologies. Knowledge of wireless communication, transceiver architecture, and digital signal processing, FPGA and/or Matlab programming skills are required. RF circuits knowledge will be a plus. Duration is 3-6 months with a flexible start date.


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  • Recent Publications

    •  Liu, F., Zhu, H., Li, C., Li, J., Wang, P., Orlik, P.V., "Angular-Domain Channel Estimation for One-Bit Massive MIMO Systems: Performance Bounds and Algorithms", IEEE Transactions on Vehicular Technology, DOI: 10.1109/TVT.2020.2966003, ISSN: 0018-9545, Vol. 69, No. 3, January 2020.
      BibTeX Download PDFAbout TR2020-009
      • @article{Liu2020jan,
      • author = {Liu, Fangqing and Zhu, Heng and Li, Changheng and Li, Jian and Wang, Pu and Orlik, Philip V.},
      • title = {Angular-Domain Channel Estimation for One-Bit Massive MIMO Systems: Performance Bounds and Algorithms},
      • journal = {IEEE Transactions on Vehicular Technology},
      • year = 2020,
      • volume = 69,
      • number = 3,
      • month = jan,
      • doi = {10.1109/TVT.2020.2966003},
      • issn = {0018-9545},
      • url = {https://www.merl.com/publications/TR2020-009}
      • }
    •  Teng, M., Safian, R., Alahmadi, Y., Zhuang, L., Kojima, K., "Miniaturized silicon photonics devices for integrated optical signal processors", JLT (Invited Review Paper), January 2020.
    •  Wang, P., Li, H., "Target Detection with Imperfect Waveform Separation in Distributed MIMO Radar", IEEE Transactions on Signal Processing, DOI: 10.1109/TSP.2020.2964227, ISSN: 1053-587X, Vol. 68, No. 1, pp. 793-807, January 2020.
      BibTeX Download PDFAbout TR2020-007
      • @article{Wang2020jan,
      • author = {Wang, Pu and Li, Hongbin},
      • title = {Target Detection with Imperfect Waveform Separation in Distributed MIMO Radar},
      • journal = {IEEE Transactions on Signal Processing},
      • year = 2020,
      • volume = 68,
      • number = 1,
      • pages = {793--807},
      • month = jan,
      • doi = {10.1109/TSP.2020.2964227},
      • issn = {1053-587X},
      • url = {https://www.merl.com/publications/TR2020-007}
      • }
    •  Ma, Y., Lu, C., Wang, Y., "Efficient Holistic Control: Self-Awareness across Controllers and Wireless Networks", ACM Transactions on Cyber-Physical Systems, January 2020.
      BibTeX Download PDFAbout TR2020-002
      • @article{Ma2020jan,
      • author = {Ma, Yehan and Lu, Chenyang and Wang, Yebin},
      • title = {Efficient Holistic Control: Self-Awareness across Controllers and Wireless Networks},
      • journal = {ACM Transactions on Cyber-Physical Systems},
      • year = 2020,
      • month = jan,
      • url = {https://www.merl.com/publications/TR2020-002}
      • }
    •  Fujihashi, T., Koike-Akino, T., Watanabe, T., Orlik, P.V., "DNN-based Overhead Reduction for High-Quality Soft Delivery", IEEE Global Communications Conference (GLOBECOM), December 2019.
      BibTeX Download PDFAbout TR2019-133
      • @inproceedings{Fujihashi2019dec2,
      • author = {Fujihashi, Takuya and Koike-Akino, Toshiaki and Watanabe, Takashi and Orlik, Philip V.},
      • title = {DNN-based Overhead Reduction for High-Quality Soft Delivery},
      • booktitle = {IEEE Global Communications Conference (GLOBECOM)},
      • year = 2019,
      • month = dec,
      • url = {https://www.merl.com/publications/TR2019-133}
      • }
    •  Fujihashi, T., Koike-Akino, T., Watanabe, T., Orlik, P.V., "DNN-based Simultaneous Screen-to-Camera and Screen-to-Eye Communications", IEEE Global Communications Conference (GLOBECOM), December 2019.
      BibTeX Download PDFAbout TR2019-132
      • @inproceedings{Fujihashi2019dec,
      • author = {Fujihashi, Takuya and Koike-Akino, Toshiaki and Watanabe, Takashi and Orlik, Philip V.},
      • title = {DNN-based Simultaneous Screen-to-Camera and Screen-to-Eye Communications},
      • booktitle = {IEEE Global Communications Conference (GLOBECOM)},
      • year = 2019,
      • month = dec,
      • url = {https://www.merl.com/publications/TR2019-132}
      • }
    •  Jespersen, M.H., Pajovic, M., Koike-Akino, T., Wang, Y., Popovski, P., Orlik, P.V., "Deep Learning for Synchronization and Channel Estimation in NB-IoT Random Access Channel", IEEE Global Communications Conference (GLOBECOM), December 2019.
      BibTeX Download PDFAbout TR2019-140
      • @inproceedings{Jespersen2019dec,
      • author = {Jespersen, Mads Helge and Pajovic, Milutin and Koike-Akino, Toshiaki and Wang, Ye and Popovski, Petar and Orlik, Philip V.},
      • title = {Deep Learning for Synchronization and Channel Estimation in NB-IoT Random Access Channel},
      • booktitle = {IEEE Global Communications Conference (GLOBECOM)},
      • year = 2019,
      • month = dec,
      • url = {https://www.merl.com/publications/TR2019-140}
      • }
    •  Kim, K.J., Guo, J., Tang, J., Orlik, P.V., "Distributed Cyclic Delay Diversity for Cooperative Infrastructure-to-Vehicle Systems", IEEE Global Communications Conference (GLOBECOM), December 2019.
      BibTeX Download PDFAbout TR2019-135
      • @inproceedings{Kim2019dec,
      • author = {Kim, Kyeong Jin and Guo, Jianlin and Tang, Jinchuan and Orlik, Philip V.},
      • title = {Distributed Cyclic Delay Diversity for Cooperative Infrastructure-to-Vehicle Systems},
      • booktitle = {IEEE Global Communications Conference (GLOBECOM)},
      • year = 2019,
      • month = dec,
      • url = {https://www.merl.com/publications/TR2019-135}
      • }
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