SpectrumWare project is applying a software oriented approach to
wireless communication and distributed signal processing.
Advances in processor and analog-to-digital conversion technology
have made it possible to implement virtual radios that directly
sample wide bands of the downconverted RF spectrum, and process
these samples in application software. The elimination of
dedicated hardware introduces tremendous flexibility into a
wireless communications system. However, our approach goes
further than the software implementation of traditional signal
processing functions. We use processor and network memory to
temporally decouple the sample streams from the software modules
so that the bulk of the processing can be realized within virtual
time programming environments. Decoupling relaxes the temporal
constraints on the processing algorithms and their execution. The
testbed will be used to implement a wireless communication system
and to experiment with other forms of transducer-based
Matt Welborn | Sunil
Rao | Ripal
Nathuji | Rattapoom Tuchinda
John Ankcorn | Steve Garland | John Guttag
Past members: Vanu
Bose | Matt Brown | Andrew Chiu
| Mike Ismert | Mike Saginaw |
Dave Tennenhouse | Brett Vasconcellos
- Matt Welborn Direct Waveform
Synthesis for Software Radios, to appear in Proceedings of
- Matt Welborn and
John Ankcorn Waveform Synthesis for
Transmission of Complex Waveforms, to appear in Proceedings
- V. Bose, M. Ismert,
M. Welborn, J. Guttag, Virtual Radios, to appear in in IEEE/JSAC,
Special Issue on Software Radios, first quarter 1999.
- M. Welborn Narrowband Channel
Extraction for Wideband Receivers, to appear in Proceedings
- T. Turletti, H.
Bentzen and D.L. Tennenhouse, Towards the Software
Realization of a GSM Base Station, IEEE/JSAC, Special
Issue on Software Radios, Vol. 17, No. 4, pp.
603-612, April, 1999.
- V. G. Bose and A.
B. Shah, Software Radios for
Wireless Networking, accepted to Infocomm '98,
San Francisco, April, 1997.
- T. Turletti and D.
L. Tennenhouse, Estimating the
Computational Requirements of a Software GSM Base Station, to appear in Proc.
of ICC'97, Montreal, June 8-12, 1997.
- V. G. Bose, A. G.
Chiu and D. L. Tennenhouse, Virtual Sample
Processing: Extending the Reach of Multimedia, Multimedia Tools and
Applications, Volume 5, No. 3, 1997.
- A. B. Shah, Software-Based
Implementation of a Frequency Hopping Two Way Radio MIT Master's Thesis, May
- D. L. Tennenhouse,
T. Turletti and V. G. Bose, The SpectrumWare Testbed
for ATM-Based Software Radios, to appear in ICUCP'96
Proceedings, Boston, MA, Sept. 29 - Oct. 2, 1996.
- D. L. Tennenhouse,
V. G. Bose, The SpectrumWare Approach
to Wireless Signal Processing, to appear in Wireless Networks,
- T. Turletti, A Brief Overview of the
GSM Radio Interface, MIT Technical Memorandum,
TM-547, March 1996, (html).
- D. L. Tennenhouse
and V. G. Bose, "SpectrumWare - A Software-Oriented
Approach to Wireless Signal Processing," ACM
Mobile Computing and Networking 95, Berkeley, CA,
M. I. T. Computer Science and Artificial Intelligence Laboratory · 32 Vassar Street · Cambridge, MA 02139 · USA