Dr. Senad Bulja, PhD, FIET, SMIEEE

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5G filters

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3.6 GHz Ceramic band-pass filter

3.6 GHz Ceramic band-pass filter

CAVITY AND RESONATOR BANDPASS FILTER BANDPASS FILTER – SIMULATED RESPONSE LOWPASS FILTER Substrate of 1 mm height used.

Figure 1: moveable active patch on EA based material

Tunable radio-frequency device having electrochromic and electro-active materials 2

Patent number: 11264720 Type: Grant Filed: Oct 28, 2019 Date of Patent: Mar 1, 2022 Patent Publication Number: 20210124231 Assignee: Nokia

Fig. 1 Absorptive switch – basic principle

Radio-frequency switching apparatus 2

Patent number: 11201634 Type: Grant Filed: Feb 18, 2021 Date of Patent: Dec 14, 2021 Patent Publication Number: 20210306020 Assignee: Nokia

Fig. 1. Proposed EA-based smart surface: perspective view showing individual layers in detail

Electroactive material – Controlled smart surface

Publication number: 20210313390 Type: Application Filed: Apr 1, 2020 Publication Date: Oct 7, 2021 Applicant: Nokia Technologies

Fig. 1 Absorptive switch – basic principle

Radio-frequency switching apparatus

Publication number: 20210306020 Type: Application Filed: Feb 18, 2021 Publication Date: Sep 30, 2021 Patent Grant

Fig. 1 An example of a distributed mini-coaxial resonator with individual resonator elements arranged in a folded fashion; (a) isometric view and (b) top view

Resonator (distributed mini-coaxial resonator)

Patent number: 11063335 Type: Grant Filed: Dec 8, 2017 Date of Patent: Jul 13, 2021 Patent Publication Number: 20200083590 Assignee: Nokia

Fig.1. Block diagram of the modified BFN with reduced number of feeding elements.

Antenna having controlled directivity

Publication number: 20200411988 Type: Application Filed: Jun 24, 2020 Publication Date: Dec 31, 2020 Applicant: NOKIA SOLUTIONS AND NETWORKS

Figure 1 Multi-layer PCB implementation

Apparatus for radio frequency signals and method of manufacturing such apparatus

Publication number: 20200313265 Type: Application Filed: Mar 19, 2020 Publication Date: Oct 1, 2020 Patent Grant

Fig. 1 An example of a distributed mini-coaxial resonator with individual resonator elements arranged in a folded fashion; (a) isometric view and (b) top view

Resonator (distributed mini-coaxial resonator)

Publication number: 20200083590 Type: Application Filed: Dec 8, 2017 Publication Date: Mar 12, 2020 Patent Grant

Fig. 1 One realisation of feed-forward filter

A filter assembly and a method of filtering

Publication number: 20150311882 Type: Application Filed: Oct 23, 2013 Publication Date: Oct 29, 2015 Patent Grant number: 9887688 Inventor: Senad

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Profile & Bio

Senad Bulja, Ph.D., FIET, SMIEEE 

  1. Dr Bulja’s profile
  2. Email : contact@drbulja.com

PROFESSIONAL Profile

  • Accomplished career of over 19 years demonstrating consistent success as a Researcher, Leader and Mentor in the Wireless industry research environment.
  • Excellent Scientific contributions in the field of RF, EMC and telecommunications with 4 Nature Journal publications and over 70 peer-reviewed articles and conference papers
  • Strong leadership skills demonstrated by leading Ph.D. level educated cross-continental and cross-departmental teams to successful project execution.  
  • Proven Strategic Business Impact – introduced own developed technology into Nokia’s future technology roadmap (RF filters) and business transfer of the smart surface technology. 
  • Creative, internationally awarded and well-driven inventor with over 70 filed patents in the area of hardware for Radio Frequency (RF), Wireless Sensor Networks (WSN), Internet of Things (IoT) and wireless systems architectures. E.g. Nokia patent award entitled: “A top inventor in implementation patent first filings”, 2020.
  • Significant contribution in the identification of high revenue IP assets and leadership on the creation of Nokia’s patent portfolio roadmap. 
 

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