Research summary
Information- and communication-theoretic contributions span finite-blocklength capacity, multiuser detection, ultra-wideband localisation, non-orthogonal multiple access (NOMA), federated learning with differential privacy, and 6G surveys. A foundational paper derives new achievability and converse bounds on the maximal channel-coding rate achievable at a given finite blocklength and error probability for general classes of channels, showing that the rates can be approximated by C - sqrt(V/n) Q^-1(epsilon) and that the bounds are tight even for blocklengths as short as 100 — substantially tightening prior asymptotic predictions [1]. An iterative "turbo" multiuser receiver for convolutionally coded asynchronous multipath DS-CDMA performs successive soft-input soft-output multiuser detection and per-user channel decoding, with extrinsic information exchanged across iterations to jointly suppress multiple-access and intersymbol interference [5]. A survey of UWB-based localisation covers theoretical time-of-arrival estimation limits, suboptimal but practical alternatives, and the performance of hybrid TOA/SS and TDOA/SS schemes for emerging sensor networks [3]. NOMA work characterises the impact of user pairing on F-NOMA and CR-NOMA downlink performance, showing analytically and numerically that F-NOMA's sum-rate advantage over conventional orthogonal multiple access grows when paired users have more divergent channel conditions [8]; a companion paper surveys NOMA integration with MIMO and cooperative variants in LTE and 5G standards activities [4]. The federated-learning study introduces "noising before model aggregation" (NbAFL), proving that artificial noise added at clients before aggregation satisfies differential privacy at distinct protection levels and analysing the resulting convergence-performance trade-off [2]. Two 6G surveys frame requirements (global coverage, enhanced spectral/energy efficiency, intelligence and security) and enabling technologies (new waveforms, air-interface and transmission innovations, novel network architectures) for sixth-generation networks, with the more recent survey synthesising international standardisation, white-paper, and testbed activity [6][7]. Together these papers reflect long-running contributions to multiuser information theory and statistical signal processing applied across multiple wireless generations.
Recent publications
- Channel Coding Rate in the Finite Blocklength RegimeDOI
- An Introduction to Signal Detection and EstimationDOI
- An Introduction to Signal Detection and EstimationDOI
- Federated Learning With Differential Privacy: Algorithms and Performance AnalysisDOI
- Localization via ultra-wideband radios: a look at positioning aspects for future sensor networksDOI
- Application of Non-Orthogonal Multiple Access in LTE and 5G NetworksDOI
- Iterative (turbo) soft interference cancellation and decoding for coded CDMADOI
- Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shiftsDOI
- On the Road to 6G: Visions, Requirements, Key Technologies, and TestbedsDOI
- Impact of User Pairing on 5G Nonorthogonal Multiple-Access Downlink TransmissionsDOI
The lab page does not clearly state student acceptance status. Email the professor directly to confirm.
How to apply
Email H. Vincent Poor 6-12 months before your application deadline. Read several recent papers and reference specific work in your message. Use our how to email a Japanese professor guide for the proven email structure.
For applications via MEXT scholarship: see our MEXT 2027 complete guide and university-specific University Recommendation track.
External profiles
- ORCID: https://orcid.org/0000-0002-2062-131X
- OpenAlex: openalex.org
Profile compiled from public sources (Researchmap, OpenAlex, Kumamoto University faculty directory). Last refreshed 2026-05. Report incorrect information.