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Radio Frequency (RF)/Baseband Co-design for 5G Mobile Communication Systems

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  • Full or part time
    Dr Qi
  • Application Deadline
    Applications accepted all year round

Project Description


The research interests of this project focus on radio frequency (RF)/baseband co-design for the fifth-generation (5G) mobile communication system, which is an interdisciplinary project. The unprecedented growth in the demand for reliable high-speed wireless communications in order to support multifarious applications and services, and the limit on radio resource and energy highlights the need for new promising transmission and networking techniques. Accordingly, the concept of 5G mobile systems was introduced in 2012, which is expected to have various advantages over the previous mobile generation, 4G (or called Long Term Evolution (LTE)), even though there is no transnational 5G development projects have officially been launched. Actually, the investigation on 5G attracts attention of government and industry all over the world, e.g., in UK, Europe, US, China, India and Israel. The performance aspects of 5G comprise, but not limited to the following issues: higher energy efficiency, higher system spectral efficiency, broadened network coverage, enhanced connectivity, and better quality of service (QoS). To be summarised, 5G mobile systems would work in a smarter and more efficient way. Key techniques suggested for 5G includes massive multiple-input multiple-output (MIMO), small cell and heterogeneous networks, cloud-based radio access networks, multi-hop, cognitive radio, millimetre wave transmission, etc.

However, in practice, the performance of all aforementioned techniques is related to the RF front-end design. Specifically, it is affected by RF impairments, such as high-power amplifier (HPA) nonlinearity, in-phase and quadrature-phase (I/Q) imbalance, crosstalk, antenna coupling, low noise amplifier (LNA) nonlinearity, phase noise, imperfect timing synchronisation and echo. In the case with RF impairments, the benefits of techniques nominated for 5G become not visible or cannot be achieved anymore. The research theme aims at investigating RF/baseband co-design for 5G mobile systems with RF impairments, which optimises the entire transmission mechanisms and brings a new view for the integrated design of wireless communications. Specifically, the objectives of this project are to figure out which kind of impairments has crucial influence on techniques employed by 5G and then propose feasible compensation scheme to mitigate the negative impact of the RF impairments or suggest a new RF/baseband co-design taking into account the 5G techniques.

University of Reading

The University of Reading is one of the UK’s 20 most research-intensive universities and is ranked in the world’s top 200 universities according to the 2013/14 Times Higher Education World University Rankings. Achievements include the Queen’s Award for Export Achievement (1989) and the Queen’s Anniversary Prize for Higher Education (1998, 2006 and 2009). The School of Systems Engineering has a strong reputation for its innovative research in computer science and information systems, cybernetics, and electronic engineering. Our research is highly-regarded nationally and internationally, with demonstrated real-world impact.


Applicants should have a Bachelors (at least 2.1 or equivalent) or Masters degree in Engineering, Physics, Mathematics or a strongly related discipline. Strong analytical and programming skills are preferable. Experience in C++ and Matlab/Simulink are desirable.

How to apply:

Please submit an application for a PhD in Electronic Engineering to the University using the link below:


In the online application system, there is a section for “Research proposal” and a box that says “If you have already been in contact with a potential supervisor, please tell us who” – in this box, please enter “Dr Jian Qi”.

Application Deadline:

Applications accepted all year round

Further enquiries:

For further information about this PhD opportunity, please contact:

Dr Jian Qi, tel: +44 (0)118 378 7628, email: [email protected]

Funding Notes

We welcome applications from self-funded students worldwide for this project.

Students from Brazil: we welcome and support applications for the Science Without Borders Scholarship (Ciência sem Fronteiras).

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