Antenna Systems for Multiband Mobile & Portable Radio

A project supported by the National Institute of Justice CommTech* organization.


A summary of the first year of the project: Briefing, Sep 21, 2010.
Following on our previous project: Multi-Band / Multi-Mode Radio for Public Safety Applications
This page is http://www.ece.vt.edu/swe/asmr/
Send mail to the maintainer.
Recent Updates:
2012 Sep 28: Posted Technical Report #28 and the final report.
2012 Jun 30: Posted Technical Reports #24, 25, 26 and 27.
2012 May 10: Major revision of Technical Reports #15 and 16.
2012 Apr 12: Posted Technical Reports #21, 22, 23.
2011 Sep 08: Posted Technical Report #20.

* Notice of Federal Funding and Federal Disclaimer: This Web site is funded in part through a grant from the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice. Neither the U.S. Department of Justice nor any of its components operate, control, are responsible for, or necessarily endorse, this Web site (including, without limitation, its content, technical infrastructure, and policies, and any services or tools provided).


Table of Contents


Technical Reports

In reverse chronological order.

[29] Final Report
        S. Ellingson, Project Report No. 29, September 28, 2012.

[28] Investigation of a Negative Impedance Converter for Wide Band Antenna Matching
        R. Nealy, Project Report No. 28, September 19, 2012.

[27] Non-Foster Augmentation of a Multiband LMR Antenna System
        S. Ellingson, Project Report No. 27, June 30, 2012.

[26] Phase II Summary Technical Report
        S. Ellingson, Project Report No. 26, June 30, 2012.

[25] Field Evaluation of the Phase I LMR Multiband Antenna System
        S. Ellingson, A. Kumar & R. Nealy, Project Report No. 25, June 30, 2012.

[24] Design and Laboratory Evaluation of the Phase II LMR Multiband Antenna System
        S. Ellingson, R. Tillman, M. Harun & R. Nealy, Project Report No. 24, June 30, 2012.

[23] Performance Comparison of the Prototype Reconfigurable Antenna with Commercial LMR Antennas
        M. Harun, A. Kumar & S. Ellingson, Project Report No. 23, April 10, 2012.

[22] A Prototype Simple Reconfigurable Antenna for the Multiband LMR Antenna System
        M. Harun & S. Ellingson, Project Report No. 22, April 4, 2012.

[21] Dimensional Analysis of the Audio Signal/Noise Power in a FM System
        A. Kumar & S. Ellingson, Project Report No. 21, April 11, 2012.

[20] Integration of Simple Antennas to Multiband Receivers using a Novel Multiplexer Design Methodology
        S.M.S. Hasan & S.W. Ellingson, Project Report No. 20, September 6, 2011. (preprint of the paper below)
        Published in IEEE Trans. Antennas & Propagation, Vol. 60, No. 3, March 2012, pp. 1550-6.

[19] Jeep Cherokee (XJ) Model Generator
        A. Schmitt, Project Report No. 19, August 12, 2011.

[18] Phase II Design for a Multiband LMR Antenna System
        S. Ellingson & R. Tillman, Project Report No. 18, August 30, 2011.

[17] A Simple Reconfigurable Monopole for Multiband Public Safety Applications
        S. Ellingson, Project Report No. 17, July 28, 2011.

[16] Estimation of Pre-detection SNR of LMR Analog FM Signals Using PL Tone Analysis
        A. Kumar, Project Report No. 16, May 2, 2012.
        An earlier version was dated July 26, 2011.

[15] Characterization of LMR Analog FM Audio Quality Using PL Tone Analysis
        A. Kumar, Project Report No. 15, May 2, 2012.
        An earlier version was dated July 25, 2011.

[14] Car Model Generator, version 1.0
        A. Schmitt, Project Report No. 14, July 22, 2011.
        Sep 6, 2011: Added user manual

[13] Analysis of Antennas as Components of Broadband and Multiband LMR Systems
        S. Ellingson, Project Report No. 13, January 13, 2011.
        Replaces Report 3; also appears in Proc. IEEE 2011 Int'l Symp. on Ant. & Prop., Spokane WA, July 2011.

[12] Phase I Summary Technical Report
        S. Ellingson, Project Report No. 12, December 30, 2010.

[11] Description and Laboratory Evaluation of a Prototype LMR Multiband Antenna System
        S. Ellingson, Project Report No. 11, September 20, 2010.

[10] Prototype Filter Bank Channel Design
        S. Ellingson, Project Report No. 10, September 19, 2010.

[9]   700/800 MHz Bandpass Filter
        S. Ellingson, Project Report No. 9, September 19, 2010.

[8]   5-Channel RF Power Detector
        S. Ellingson, Project Report No. 8, September 19, 2010.

[7]   Stubline Tuner
        S. Ellingson, Project Report No. 7, September 19, 2010.

[6]   An Alternative Approach to Specifying Test Electric Field Magnitude for Evaluation of Broadband LMR Antennas
        S. Ellingson, Project Report No. 6, August 19, 2010.

[5]   Measurements of Elements of an LMR Multiband Antenna System Design
        S. Ellingson, Project Report No. 5, June 30, 2010.

[4]   Candidate Design for a Multiband LMR Antenna System Using a Rudimentary Antenna Tuner
        S. Ellingson, Project Report No. 4, June 30, 2010.

[3]   Methodology for Analysis of LMR Antenna Systems
        S. Ellingson, Project Report No. 3, June 30, 2010.
        A substantially enhanced version of this report appears as Project Report 13 (see above).

[2]   Measurement and Analysis of Multiband Mobile Antennas for Portable Radio Applications
        M. Manteghi, Project Report No. 2, July 10, 2010.

[1]   Fundamental Limits of Cylindrical Antennas
        M. Manteghi, Project Report No. 1, July 10, 2010.

The following are antenna-relevant reports from our previous project:

[chamrad-25]   Multiband Antenna-Receiver Integration using an RF Multiplexer with Sensitivity-Constrained Design
        S.M. Shajedul Hasan and S.W. Ellingson, Technical Report No. 25, Jan 15, 2008.

[chamrad-13]   Measurement and Analysis of the Sti-Co Interoperable Mobile Antenna
        Kathy Wei Hurst and S.W. Ellingson, Technical Report No. 13, September 30, 2006.


Project Documents

In reverse chronological order.