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Bangor Communications Security PhD: Reducing Eavesdropping Through Signal and Network Design

Project 2535 · Bangor University · School of Computer Science and Engineering

Application workspace

Save this opportunity and prepare around its actual requirements. Confirm deadlines and eligibility at the original source.

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Country or region
United Kingdom
Application deadline
2026-11-24 (confirm the exact time with the source)
Funding
Initial three-year funding, with possible extension only if further funds become available. The advert lists the 2026/27 stipend rate of £21,805 per year and a full tuition waiver. Bangor's published international research fee for the relevant field is £21,000 per year including a £2,000 laboratory surcharge; coverage of the overseas-fee difference and surcharge is not confirmed in formal award terms.

The research opportunity

Project overview

Bangor University's Digital Signal Processing Centre offers a PhD in physical-layer network security for advanced communications. The role involves theoretical and/or experimental research on security across devices, systems or networks. Two EPSRC projects and an investment-zone research programme are named as funding sources, but the advert does not say which project or work package this studentship will join.

Research and working environment

The student will publish and present results, operate and maintain equipment, support research proposals and undergraduate projects, and take part in training. The advert does not identify the research question, attacker model, protocol, hardware, algorithm, comparison baseline or success metrics. These should be clarified with the team before treating a particular technique as the proposed thesis.

The centre's related work includes security in coherent optical links and fibre/mmWave transmission. It provides context rather than a commitment to reuse those approaches. Physical-layer methods can complement higher-layer security; the available material does not establish that they replace conventional cryptography or defeat every attack. Professor Jianming Tang is the informal contact, while the full supervisory team, facilities and technical support are unconfirmed.

Application and funding

  • Background: A first or upper-second-class degree, or equivalent, in a relevant physical science, engineering or technology subject, plus strong mathematical, analytical and experimental ability, teamwork and communication. Optical or wireless communications, signal processing, networks, circuits and programming are useful; publications and 5G/6G experience are advantages, not universal requirements.
  • Award: Initially three years at a £21,805 annual stipend at the 2026/27 rate, with a full tuition waiver advertised; any extension depends on later funding. The published £21,000 international research fee includes a £2,000 laboratory surcharge. Whether the award covers the overseas difference and surcharge needs written confirmation.
  • Dates: Apply by 24 November 2026; the time, time zone, exact start date and document checklist are not stated. UK, EU and international applicants may apply.
  • Contact: Professor Jianming Tang, j.tang@bangor.ac.uk. Ask about the project brief, funding link, threat model, evaluation criteria, supervision and equipment access. Check work eligibility and whether ATAS applies to your circumstances.

Research and application brief

Report generated: . This date does not confirm that recruitment remains open.

Information updated: . Recheck the original notice before applying.

Show report contents

Bangor Communications Security PhD: Reducing Eavesdropping Through Signal and Network Design

Quick Decision

A relevant opportunity with major scope and funding questions. The Bangor studentship offers an initial three years of work on physical-layer network security across telecommunications devices, systems or networks. It may suit applicants with a physical-science, engineering or technology background and evidence in mathematics, signal processing, optical or wireless communications, electronics, experiments or programming. The DSP Centre has recent work on DSP-based optical security and a chaotic digital-filter method tested over fibre and millimetre-wave links. The advertised package is a £21,805 UKRI-rate stipend for 2026/27 and a full tuition-fee waiver, with a closing date of 24 November 2026.

The call does not define the research question, threat model, testbed, evaluation criteria or full supervisory team. The available materials also do not identify a project-specific Bangor page or formal award terms. For international applicants, the fee wording needs particular care: Bangor lists a £21,000 annual international fee for Computer Sciences research degrees, whereas UKRI's 2026/27 contribution is capped at the £5,238 home-fee level. Ask Professor Jianming Tang and the School to confirm the exact research scope, application route, deadline and complete fee coverage in writing.

Research Problem and Doctoral Work

What Is Unsolved and Why It Matters

Physical-layer security (PLS) tries to make interception or unauthorized recovery harder by exploiting signal, channel or hardware properties at the communications layer. Bangor's DSP Centre describes work spanning optical networks, wireless communications and secure digital communications. The group’s recent papers illustrate one possible route: digitally generated, key-dependent filtering can distort and interfere with a signal, with the aim of protecting data while keeping the technique usable across different media.

The research challenge is to show that a protection method holds under a defined adversary model—not just that a laboratory receiver can recover a scrambled signal. Optical wireless and RF/optical PLS research now spans hardware and software implementations, but methods depend on assumptions about eavesdropper access, channel knowledge, key generation, synchronization and receiver capability. PLS should be treated as a possible additional layer. The available evidence does not support claims that it replaces conventional cryptography or guarantees security against all attacks. The DSP Centre, a 2026 optical-wireless security review, and a 2024 RF/optical PLS survey provide relevant context.

Work, Methods, and Potential Outputs

The advert describes theoretical and/or experimental research under DSP Centre academics. It also lists publishing findings, presenting at project meetings and conferences, operating and maintaining laboratory equipment, supporting research-proposal development, assisting undergraduate projects and attending training. It says the studentship is supported by three research projects, two funded by EPSRC and one through the Flintshire and Wrexham Investment Zone Research and Innovation Programme. Their titles, grant numbers, budgets and relationship to this studentship are not provided.

Three recent team outputs give concrete examples of adjacent work, but should not be read as the promised project protocol:

  • A 2025 OFC conference demonstration carried encrypted signals continuously across 25 km of fibre and a 5 m millimetre-wave link, at 1.67 Gb/s, using chaotic digital-filter-based PLS without optical-electrical-optical conversions and extensive DSP. This is a specific experimental link result, not a field deployment or a general security proof. Optica proceedings record
  • A 2024 peer-reviewed conference paper reported a 12 Gb/s, 25 km standard single-mode fibre experiment using intensity modulation/direct detection. Its contribution is a low-complexity chaotic digital-filter scheme that distorts and interferes with data signals; the result is tied to the tested link and design. Bangor research record
  • A 2022 IEEE Photonics Journal paper proposed a DSP-based scheme for coherent optical communications and evaluated it numerically. It considered dispersive elements, phase modulation and DSP-generated keys, including transmission penalties and parameter sensitivity; it did not report the same kind of experimental demonstration as the later fibre-link papers. Bangor research record

A Bangor 2026 doctoral thesis supervised by Roger Giddings and Jianming Tang is further evidence of related work in the group, including optical- and digital-domain approaches. It is useful background, but it does not define this studentship's scope. Thesis record

Potential research angles—subject to the supervisor's actual project plan—could include measuring security and signal-quality trade-offs across fibre/wireless links, testing robustness to synchronization or key mismatch, defining realistic eavesdropping scenarios, or comparing optical-domain and DSP-based schemes. The advertisement does not name any of these as required tasks, and no particular output, algorithm or performance target should be assumed.

School, Programme and Field Context

Bangor University is the named institution and Bangor is the advertised location; no partner university, joint award or external host degree is stated. The opportunity is described as a PhD in the School of Computer Science and Engineering, with research activity in the Digital Signal Processing Centre. The university's Computer Science postgraduate research page and central Doctoral School pages describe the broader research environment, but the project-specific registration title, supervisory committee, training milestones and any taught component are not published. Computer Science postgraduate research, Bangor postgraduate research, School directory.

The DSP Centre's official description identifies optical networks, wireless communications and secure communications as relevant themes; Professor Tang is listed as its director and as a professor in optical communications. University research records show activity in converged networks and a series of centre-linked projects. The published material also documents experimental demonstrations and technical training activity, but it does not establish which equipment this doctoral researcher will use, how much hands-on support is available, or whether testbeds are allocated to this project. DSP Centre, Professor Tang's profile, research-portal profile, centre project record.

For scale, Bangor is #=567 overall in the QS World University Rankings 2027. Its institutional summary of REF 2021 says 85% of submitted research was rated world-leading or internationally excellent. Neither figure is a subject ranking or a score for this School, Centre or project, so they should be read as broad institutional context only. QS 2027 profile, Bangor REF 2021 results.

Supervisor and Lab Assessment

Professor Jianming Tang's official profile identifies optical communications, data networks and related signal-processing technologies as areas of expertise. His career includes optical communications R&D outside academia, and his research profile lists postgraduate project areas such as high-speed optical transmission, access networks, DSP and wired/wireless convergence. The DSP Centre page describes a wider team and regional/industry-facing projects. The call names Tang as the informal contact but does not identify the full supervisory team or say whether the student will be co-supervised by other researchers. Tang's university profile, Tang's research profile, DSP Centre.

The technical direction appears to benefit from both numerical and experimental capability: the team has simulated coherent-link encryption, tested a chaotic-filter method on fibre, and reported fibre-mmWave convergence. These are relevant starting points for a project on physical-layer network security, but the supplied description does not say whether this student will extend those methods, study another security mechanism, work at device level, or integrate components across a network. The supporting project's planned testbeds and the student's access to optical, radio-frequency and measurement equipment remain questions rather than verified resources.

Funding, Application, and Living Cost

The supplied advertised terms state a three-year initial period, possible extension subject to future funding, UKRI stipend of £21,805 for 2026/27 and a full tuition-fee waiver. The stipend matches UKRI's published full-time minimum from 1 October 2026. UKRI says its 2026/27 minimum fee contribution is £5,238 and is capped at the home-fee level; international students may have to pay a difference unless the institution or award covers it. Bangor's published 2026/27 and 2027-entry schedule lists £21,000 per year for international Computer Sciences PGR, including a £2,000 bench-fee component. The advert's full-waiver statement may cover the gap, but the award page or written offer must say whether tuition and bench fees are covered for the full funded period and for international fee status. UKRI student funding guidance, UKRI training-grant guidance, Bangor international fee schedule.

Bangor's international-student information quotes £1,171 per month, or £14,052 for 12 months, as the UKVI maintenance amount students must be able to show. That is a proof-of-funds threshold, not a complete personal budget. Dividing the advertised annual stipend by twelve gives about £1,817 per month before any individual expenses; actual housing and other costs vary. Bangor living-cost guidance.

The stated closing date is 24 November 2026, with a start “as soon as possible.” No closing time, application-route link, exact start date, or call-specific required-document list is present in the project information available for this review. Bangor's admissions guidance says research applicants may need qualifications, references and English evidence, and that School-specific studentship deadlines should be checked. International application guidance says a research proposal is important for a PhD application, but the call should confirm whether one is required here. Admissions FAQ, international application guidance.

The advert says non-UK/EU nationals may need ATAS and that all offers depend on proof of eligibility to work in the UK and satisfactory references. ATAS applicability depends on nationality and the research subject; where required, the UK government advises that processing takes at least 30 working days, and complex applications can take longer. Ask the School to confirm the course and research classification early. UK government ATAS guidance.

Applicant Fit and Preparation

Required Background and Skills

According to the advertised criteria, applicants should hold or expect to obtain a First or Upper Second Class Honours degree, or equivalent, in a relevant physical science, engineering or technology discipline. Essential attributes include a strong relevant academic background, mathematics, analytical and experimental skills, ability to work independently and in a team, written and verbal communication, and motivation for academic research. The university will determine equivalence and admission through its formal process.

Preferred Experience and Suggested Preparation

The advert marks optical, wireless or optical-wireless communications, joint communications and sensing, data networks, digital/analogue signal processing, mobile communications, high-speed digital circuit design and programming as desirable knowledge or experience. It also prefers relevant research experience, peer-reviewed publications and familiarity with 5G/6G challenges. These are preferences, not additional mandatory degree requirements.

For an application or interview, useful evidence could include a project in communications, DSP, photonics, RF/electronics or network security; a clear account of the applicant's own contribution to modelling or experiments; and comfort discussing measurements, baselines, reproducibility and the limits of a security claim. These are preparation suggestions inferred from the advertised methods and adjacent group papers, not extra selection criteria. Bangor's general application information should be checked against the project's specific instructions.

The career context is relevant but broad. The UK government identifies advanced connectivity skills in RF, secure networks, terrestrial/non-terrestrial integration and data architecture; Ofcom reports continued 5G and fibre-network development. DSIT's 2026 cyber-skills report tracks demand and workforce capability in the wider cyber sector. These sources suggest possible adjacent directions in optical communications R&D, network engineering, DSP/FPGA systems, telecoms security and doctoral/postdoctoral research, but they do not predict a job or placement for this project's graduates. Digital and Technologies Jobs Plan, Advanced Connectivity Technologies market analysis, Ofcom Connected Nations 2025, Cyber security skills in the UK labour market 2026.

Next Actions and Questions to Verify

Before Applying

Contact Professor Tang at j.tang@bangor.ac.uk with a concise CV and ask for the formal project description and application link. Confirm that the 24 November 2026 closing date is current, including exact time and time zone; ask for the anticipated start date and the documents required for this specific studentship.

At Interview

Ask which device, system or network layer the research will target; what threat model, attack assumptions, baselines and evaluation metrics will be used; whether the project builds on chaotic digital filters or another method; and what would count as a meaningful research result. Clarify the named supervisors, their roles, the weekly balance between theory and experiments, and the expected student involvement in teaching support, proposals and equipment maintenance. Ask which fibre, wireless/mmWave and measurement facilities are available and how access and technical support are arranged.

Before Accepting an Offer

Obtain written confirmation of the full award length, stipend years and any extension condition; tuition and bench-fee coverage by fee status and for the entire funded period; whether the award includes research/travel expenses; formal PhD registration and training requirements; and any right-to-work or ATAS conditions. This is especially important for an international offer because the university's published international fee and UKRI's standard fee contribution differ substantially.

Evidence and Sources

University, Research Centre and Application Context

Research Papers and Field Evidence

Funding, Costs, Careers and Eligibility

Sources

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