TR2007-093

Hybrid Coherent and Frequency-Shifted-Reference Ultrawideband Radio


    •  Liu, H., Molisch, A.F., Zhao, S., Goeckel, D., Orlik, P., "Hybrid Coherent and Frequency-Shifted-Reference Ultrawideband Radio", IEEE Global Telecommunications Conference (GLOBECOM), November 2007, pp. 4106-4111.
      BibTeX TR2007-093 PDF
      • @inproceedings{Liu2007nov,
      • author = {Liu, H. and Molisch, A.F. and Zhao, S. and Goeckel, D. and Orlik, P.},
      • title = {Hybrid Coherent and Frequency-Shifted-Reference Ultrawideband Radio},
      • booktitle = {IEEE Global Telecommunications Conference (GLOBECOM)},
      • year = 2007,
      • pages = {4106--4111},
      • month = nov,
      • isbn = {978-1-4244-1043-9},
      • url = {https://www.merl.com/publications/TR2007-093}
      • }
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  • Research Area:

    Communications

Abstract:

Ultrawideband communications often occur in heterogeneous networks where different receivers have different complexity and energy consumption requirements. In this case it is desirable to have a modulation scheme that works well with coherent receivers as well as simpler receivers, namely transmitted-reference (TR) receivers. In particular, we consider a TR scheme that employs slightly frequency-shifted reference (FSR) signals [15] and thus avoids one of the main drawbacks of conventional TR schemes, namely the need to implement a delay line. We propose and analyze a modulation scheme that works well with both FSR receivers (where it has the same performance as conventional TR modulation), and coherent receivers.

 

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      Date: November 26, 2007
      Where: IEEE Global Telecommunications Conference (GLOBECOM)
      MERL Contacts: Jinyun Zhang; Philip V. Orlik
      Brief
      • The papers "Hybrid Coherent and Frequency-Shifted-Reference Ultrawideband Radio" by Liu, H., Molisch, A.F., Zhao, S., Goeckel, D. and Orlik, P., "Channel Measurements of an Indoor Office Scenario for Wireless sensor Applications" by Wyne, S., Santos, T., Tufvesson, F. and Molisch, A.F., "Asymmetric Cooperation Among Relays with Linear Precoding" by Devroye, N., Mehta, N.B. and Molisch, A. F. and "Frame Structure Design for IEEE 802.16j Mobile Multihop Relay (MMR) Networks" by Tao, Z., Li, A., Teo, K.H. and Zhang, J. were presented at the IEEE Global Telecommunications Conference (GLOBECOM).
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