Faculty Profile

Roy Derryberry

Title
Clinical Associate Professor
Department
Electrical Engineering
College
College of Engineering

    

    

      


                          

            
Curriculum Vitae

            

              Click Here to View Faculty CV
            

          

        
                          

            
Education

            



  

  


  
PhD, Southern Methodist University, 1995. 
Major: Electrical Engineering
Degree Specialization: Communications, Controls, and Signal/Image Processing
Dissertation Title: Adaptive Reference Correlation Subpixel Tracking
MS, University of Arkansas, 1987. 
Major: Electrical Engineering
Degree Specialization: Theoretical Statistics Applications to Communications, Controls, Signal Processing
Dissertation Title: Optical Flow: An Alternate Approach to Motion Analysis
BS, University of Arkansas, 1985. 
Major: Electrical Engineering
Degree Specialization: Signal Processing and Business





          

        
                

          
Current Scheduled Teaching*


          
EENG 2710.002, Digital Logic Design, Spring 2024 Syllabus
EENG 2710.003, Digital Logic Design, Spring 2024 Syllabus
EENG 2620.001, Signals and Systems, Spring 2024 Syllabus


          
*
  Texas Education Code 51.974 (HB 2504) requires each institution of
  higher education to make available to the public, a syllabus for
  undergraduate lecture courses offered for credit by the institution.
  

        

      

    

  


    

    

      


        


          


            
Previous Scheduled Teaching*


            
                    

                    EENG 2610.001, Circuit Analysis, Fall 2023 Syllabus SPOT
                    

                    EENG 2610.003, Circuit Analysis, Fall 2023 Syllabus SPOT
                    

                    EENG 4610.001, Digital Signal Processing, Fall 2023 Syllabus SPOT
                    

                    EENG 5610.001, Digital Signal Processing, Fall 2023 Syllabus SPOT
                    

                    EENG 5610.600, Digital Signal Processing, Fall 2023 Syllabus SPOT
                    

                    EENG 2610.003, Circuit Analysis, Spring 2023 Syllabus SPOT
                    

                    EENG 5520.001, Design and Testing of Digital Systems, Spring 2023 Syllabus SPOT
                    

                    EENG 2620.001, Signals and Systems, Spring 2023 Syllabus SPOT
                    

                    EENG 2610.001, Circuit Analysis, Fall 2022 Syllabus SPOT
                    

                    EENG 2610.003, Circuit Analysis, Fall 2022 Syllabus SPOT
                    

                    EENG 5610.001, Digital Signal Processing, Fall 2022 Syllabus SPOT
                    

                    EENG 5610.600, Digital Signal Processing, Fall 2022 Syllabus SPOT
                    

                    EENG 2610.001, Circuit Analysis, Spring 2022 Syllabus SPOT
                    

                    EENG 5520.001, Design and Testing of Digital Systems, Spring 2022 Syllabus SPOT
                    

                    EENG 2710.001, Digital Logic Design, Spring 2022 Syllabus SPOT
                    

                    EENG 2610.002, Circuit Analysis, Fall 2021 Syllabus SPOT
                    

                    EENG 2710.001, Digital Logic Design, Fall 2021 Syllabus SPOT
                    

                    EENG 5610.001, Digital Signal Processing, Fall 2021 Syllabus SPOT
                    

                    EENG 5610.600, Digital Signal Processing, Fall 2021 Syllabus SPOT
                    

                    EENG 2610.001, Circuit Analysis, Spring 2021 Syllabus SPOT
                    

                    EENG 5830.001, Coding Theory, Spring 2021 Syllabus SPOT
                    

                    EENG 5830.005, Coding Theory, Spring 2021 Syllabus
                    

                    EENG 2710.001, Digital Logic Design, Spring 2021 Syllabus SPOT
                    

                    EENG 2610.002, Circuit Analysis, Fall 2020 Syllabus SPOT
                    

                    EENG 2710.001, Digital Logic Design, Fall 2020 Syllabus SPOT
                    

                    EENG 5610.001, Digital Signal Processing, Fall 2020 Syllabus SPOT
                    

                    EENG 5610.600, Digital Signal Processing, Fall 2020 Syllabus SPOT
                    

                    EENG 2610.001, Circuit Analysis, Spring 2020 Syllabus
                    

                    EENG 5520.001, Design and Testing of Digital Systems, Spring 2020 Syllabus
                    

                    EENG 5520.600, Design and Testing of Digital Systems, Spring 2020 Syllabus
                    

                    EENG 2710.001, Digital Logic Design, Spring 2020 Syllabus
                    

                    EENG 2610.002, Circuit Analysis, Fall 2019 Syllabus SPOT
                    

                    EENG 2710.001, Digital Logic Design, Fall 2019 Syllabus SPOT
                    

                    EENG 2710.002, Digital Logic Design, Fall 2019 Syllabus SPOT
                    

                    EENG 5610.001, Digital Signal Processing, Spring 2017  SPOT
                    

                    EENG 5610.603, Digital Signal Processing, Spring 2017  SPOT
                    

                    EENG 5630.001, Adaptive Signal Processing, Fall 2016  SPOT
                    

                    CSCE 4510.002, Introduction to Wireless Communications, Spring 2016 Syllabus SPOT
                    

                    CSCE 5510.002, Wireless Communication, Spring 2016  SPOT

          


          
*
  Texas Education Code 51.974 (HB 2504) requires each institution of
  higher education to make available to the public, a syllabus for
  undergraduate lecture courses offered for credit by the institution.
  

        

      

    

  

  
  	

	

	  

		

		   
Published Publications



  

  
Published Intellectual Contributions


  
Conference Proceeding
Derryberry, R. T., Pi, Z.  (2004). Overview and performance of the cdma2000 1xEV-DV enhanced reverse link. Spread Spectrum Techniques and Applications, 2004 IEEE Eighth International Symposium on. 839–843. 
Raghothaman, B., Derryberry, R. T., Ionescu, M., Zhang, J.  (2004). Systematic water-filling for turbo coded CDMA packet data transmission over MIMO channels. 3G Mobile Communication Technologies, 2004. 3G 2004. Fifth IEE International Conference on. 222–226. 
Pi, Z., Derryberry, R. T. (2003). CDMA2000 1X EV-DV reverse link system design. Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE. 1, 514–519. 
Ma, L., Rong, Z., Derryberry, R. T. (2003). Performance of cdma2000 1X EV-DV system. Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual. 2, 1163–1167. 
LaRocque, D., Raghothaman, B., Derryberry, T., Fry, G.  (2001). Techniques for efficient wireless communication systems modeling using C++. Communications, 2001. ICC 2001. IEEE International Conference on. 10, 3262–3264. 
Raghothaman, B., Mandyam, G., Derryberry, R. T. (2000). Performance of closed loop transmit diversity with feedback delay. Signals, Systems and Computers, 2000. Conference Record of the Thirty-Fourth Asilomar Conference on. 1, 102–105. 
Raghothaman, B., Derryberry, R. T., Mandyam, G.  (2000). Transmit adaptive array without user-specific pilot for 3G CDMA. Acoustics, Speech, and Signal Processing, 2000. ICASSP’00. Proceedings. 2000 IEEE International Conference on. 5, 3009–3012. 
Derryberry, R. T., Wong, T. F., Lehnert, J. S. (1998). An iterative blind adaptive receiver for DS-SSMA systems. Military Communications Conference, 1998. MILCOM 98. Proceedings., IEEE. 1, 160–164. 
Journal Article
Derryberry, R. T. TITLE: 1xEV-DV Evaluation Methodology (V11) SOURCE. 
Derryberry, R. T., Pi, Z.  (2005). Reverse high-speed packet data physical layer enhancements in cdma2000 1$$ EV-DV. Other. 43(4), 41–47. IEEE. 
Hsu, L., Derryberry, R. T., Pi, Z., Ilkka, N.  (2004). 3G Evolution: cdma2000 1xEV-DV Forward and Reverse Links. Other. 
Derryberry, R. T., Hsu, A., Tamminen, W.  (2004). Overview of cdma2000 revision D. Other. 1–3. 
Derryberry, R. T., Pi, Z.  (2003). 1x Evolved high-speed integrated Data and Voice (1xEV-DV): Reverse Link Overview and Performance. Other. 13, . 
Derryberry, T. R., Gray, S. D., Ionescu, M. D., Mandyam, G., Raghothaman, B.  (2002). Transmit diversity in 3G CDMA systems. Other. 40(4), 68–75. IEEE. 
Raghothaman, B., Derryberry, R. T., Ionescu, D. M. (2001). Closed Loop Transmit Diversity with Prediction. Other. IEEE. 
Jensen, C. A., Derryberry, R. T. (1997). Autocode Generation for Use in a Rapid Prototyping Environment. Other. 
Derryberry, R. T., Dunham, J. G. (1996). Search-Based Subpixel Tracking. Other. 
Lindahl, C. E., Cockcroft, A., Derryberry, T., Sigler, J., Yablonski, M.  (1990). Synthetic Multisensor Database Generation and Validation. Other. 1310, . 
Other
Wang, Y., Derryberry, R. T. (2004). Adaptive spreading factor based on power control. Google Patents. 
US Patent
Derryberry, R. T. (2014). Extended user input. Google Patents. 
Derryberry, R. T., Hsu, L., Cheng, M. W. (2010). Method and apparatus for switching mobile station between autonomous and scheduled transmissions. Google Patents. 
Toskala, A., Malkamaki, E., Hao, G., Rinne, M. J., Derryberry, R. T. (2009). Method and apparatus for distributed signaling for uplink rate control. Google Patents. 
Derryberry, R. T., Boariu, A., Rong, Z.  (2009). Efficient HARQ control and channel quality feedback reporting for multicarrier systems. Google Patents. 
Derryberry, R. T., Rong, Z., Luukkanen, P.  (2008). Apparatus and associated method, by which to facilitate scheduling of data communications in a radio communications system. Google Patents. 
Tang, C. K., El-Rayes, M., Derryberry, R. T., Mandyam, G. D. (2006). Method and apparatus providing enhanced reservation access mode for a CDMA reverse channel. Google Patents. 
Toskala, A., Malkamaki, E., Rinne, M. J., Virtanen, A., Hao, G., Derryberry, R. T. (2005). System and method for random access channel capture with automatic retransmission request. Google Patents. 
Raghothaman, B., Derryberry, R. T. (2005). Apparatus, and associated method, for facilitating antenna weight selection utilizing deterministic perturbation gradient approximation. Google Patents. 
Toskala, A., Malkamäki, E., Hao, G., Rinne, M. J., Derryberry, R. T. (2004). Two threshold uplink rate control to enable uplink scheduling. Google Patents. 
Derryberry, R. T., Raghothaman, B.  (2004). Adaptive antenna transmit array with reduced CDMA pilot channel set. Google Patents. 
Wang, Y., Derryberry, R. T. (2004). Control based on adaptive spreading factor. Google Patents. 
Wang, S., Derryberry, R. T. (2003). Method and apparatus for determining whether to employ an antenna array beamforming technique. Google Patents. 
Derryberry, R. T., Gray, S. D., Rong, Z.  (2002). Method and apparatus for power control on a common channel in a telecommunication system. Google Patents. 
Wang, S., Derryberry, R. T. (2002). Method and apparatus for optimizing the usage of an antenna array beamforming technique. Google Patents. 



	
		
		
	  

	

	

  
    
	

	

	  

		

		   
Awarded Grants



  
  
  	  
          
Contracts, Grants and Sponsored Research  

 	 
	 	 
  
Grant - Research   
Li, X. (Principal), Luyen, H. T. (Co-Principal), Huang, Y. (Co-Principal), Derryberry, R. T. (Supporting), "Empowering Directional Communications with Hybrid Beamforming and Deep Learning," Sponsored by Army Research Lab/Northeastern University, Federal, $1694437 Funded. (March 16, 2023 – March 15, 2024).



	
		
		
	  

	

	

	
	

  
  
  

  	

		

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					Overall
Summative Rating		
					Challenge and
Engagement Index		
					Response Rate
					
				

			
			
				

					
					
out of 5		
					
out of 7		
					%
 of 
students responded		
					
					
				

			
		


		
    
			
  • Overall Summative Rating (median):
    
			This rating represents the combined responses of students to the four global summative items and is presented to provide an overall index of the class’s quality. Overall summative statements include the following (response options include a Likert scale ranging from 5 = Excellent, 3 = Good, and 1= Very poor):
				
      
					
    • The course as a whole was
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    • The course content was
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    • The instructor’s contribution to the course was
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    • The instructor’s effectiveness in teaching the subject matter was
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  • Challenge and Engagement Index:
    
			This rating combines student responses to several SPOT items relating to how academically challenging students found the course to be and how engaged they were. Challenge and Engagement Index items include the following (response options include a Likert scale ranging from 7 = Much higher, 4 = Average, and 1 = Much lower):
				
      
					
    • Do you expect your grade in this course to be
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    • The intellectual challenge presented was
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    • The amount of effort you put into this course was
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    • The amount of effort to succeed in this course was
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    • Your involvement in course (doing assignments, attending classes, etc.) was
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