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SOE - Scholarly Publications: Recent submissions

  • 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we extend the amplify-and-forward (AF) cooperative diversity scheme to the context of impulse radio ultra wideband (IR-UWB). In particular, we apply a space-time (ST) coding scheme based on totally-real ...
  • 2006 IEEE International Symposium on Information Theory 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    This paper presents the construction of new totally-real space-time coding schemes suited for carrier-less ultra-wideband transmissions. These schemes are associated with pulse position modulation and with hybrid pulse ...
  • 2006 International Zurich Seminar on Communications 
    Abou-Rjeily, C.; Daniele, N.; Belfiore, J.-C.; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we propose a new space time (ST) coding scheme for time hopping (TH) ultra wideband (UWB) systems. The proposed scheme encodes the pulses used to transmit one information symbol. This permits to achieve full ...
  • IEEE 65th Vehicular Technology Conference, 2007 
    Abou-Rjeily, Chadi; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we propose for the first time a 2 × 2 space-time (ST) block code that can be applied with pulse position modulation (PPM) without introducing any constellation extension. This encoding scheme is adapted to ...
  • The 2006 IEEE 2006 International Conference on Ultra-Wideband 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we extend the decode-and-forward cooperative diversity scheme to the context of impulse radio ultra-wideband (IR-UWB). We develop coherent and non-coherent schemes that exploit the spatial diversity in a ...
  • The 2006 IEEE 2006 International Conference on Ultra-Wideband 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we study the achievable diversity-multiplexing gain (D-MG) tradeoffs over the IEEE 802.15.3a channel model. In particular, we give an exact expression of the D-MG tradeoff for single antenna systems. This ...
  • The 2006 IEEE 2006 International Conference on Ultra-Wideband 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we examine the impact of spatial diversity on ultra-wideband (UWB) systems. This diversity is exploited by deploying two antennas at the UWB terminals. For single-antenna systems, spatial diversity is exploited ...
  • IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications, 2007 
    Abou-Rjeily, Chadi; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we consider the problem of maximum-likelihood (ML) detection with multi-antenna impulse radio ultra-wideband (IR-UWB) communications in the cases where the information is modulated onto either the positions ...
  • IEEE International Conference on Communications, 2008 
    Abou-Rjeily, C.; Nakad, Z.; Chen, K.; Fawaz, W.; SOE; 200701131; 200402165; 200602957; Electrical And Computer Engineering; chadi.abourjeily@lau.edu.lb; zahi.nakad@lau.edu.lb; wissam.fawaz@lau.edu.lb; Lebanese American University (IEEE, )
    One of the major challenges for optical network operators is related to realizing profitable networks that preserve the overall satisfaction of their end customers. This necessitates ensuring a controlled network resource ...
  • IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, 2008 
    Abou-Rjeily, Chadi; Bkassiny, Mario; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we consider the problem of Space-Time (ST) coding with unipolar Pulse Position Modulations (PPM). The proposed code satisfies a large number of construction constraints that render it superior to the existing ...
  • IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, 2008 
    Abou-Rjeily, Chadi; El-Howayeck, Georges; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we propose a new Multiple-Input-Multiple-Output (MIMO) transceiver for Transmitted-Reference Impulse-Radio Ultra-Wideband (TR-IR-UWB) communications. The proposed scheme is capable of achieving full spatial ...
  • IEEE International Conference on Ultra-Wideband, 2009 
    Abou-Rjeily, Chadi; Marmar, Ali-Rida; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we consider the problem of Space-Time (ST) coding for Multiple-Input-Multiple-Output (MIMO) and Decode-and-Forward (DF) Impulse-Radio Ultra-Wideband (IR-UWB) systems. In particular, we propose three novel ...
  • 2010 IEEE 72nd Vehicular Technology Conference Fall (VTC 2010-Fall) 
    Abou-Rjeily, Chadi; Bkassiny, Mario; SOB; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we propose an accurate method for evaluating the performance of Ultra-Wideband (UWB) coherent receivers over the IEEE 802.15.3a channel model. Depending on the severeness of fading, the method consists of ...
  • 2012 Symposium on Broadband Networks and Fast Internet (RELABIRA) 
    Abou-Rjeily, Chadi; Moubayed, Abdallah; Eid, Ursula; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    The ability to detect instantaneous speed is crucial for several applications. Moving objects such as vehicles and robots need to detect their speeds on a regular basis. Current systems measure speed using radars and ...
  • 2012 8th International Wireless Communications and Mobile Computing Conference (IWCMC) 
    Abou-Rjeily, Chadi; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we propose a novel cooperation strategy for Impulse-Radio Ultra-Wideband (IR-UWB) communication systems with binary Pulse Position Modulation (PPM). Unlike Decode-and-Forward (DF) strategies where a group ...
  • 2013 IEEE 24th International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC) 
    Abou-Rjeily, Chadi; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we consider the problem of relay-assisted free-space optical (FSO) transmissions. We evaluate the diversity orders that can be achieved by simple-DF and selective-DF relaying protocols over quantum-limited ...
  • 2005 IEEE International Conference on Ultra-Wideband 
    Abou-Rjeily, C.; Daniele, N.; Belfiore, J.-C.; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we present two space-time schemes for exploiting diversity in multi-antenna impulse radio ultra wide-band (IR-UWB) systems when neither the transmitter nor the receiver has access to channel state information. ...
  • International Zurich Seminar on Communications (IZS) 
    Abou-Rjeily, Chadi; Daniele, Norbert; Belfiore, Jean-Claude; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we evaluate the performance of Multiple Input Multiple Output (MIMO) Ultra-Wideband (UWB) systems over the IEEE 802.15.3a channel model recommendation [1]. Two schemes are considered, namely a Space-Time ...
  • 2014 11th International Symposium on Wireless Communications Systems (ISWCS) 
    Abou-Rjeily, Chadi; SOE; 200701131; Electrical And Computer Engineering; chadi.aburjeily@lau.edu.lb; Lebanese American University (IEEE, )
    In this paper, we analyze the repetition coding and transmit laser selection schemes over multiple-input-multiple-output free-space optical communication systems with intensity modulation and direct detection over gamma-gamma ...
  • IEEE International Conference on Ultra-Wideband, 2009 
    Abou-Rjeily, Chadi; SOE; 200701131; Civil Engineering; caesar.abishdid@lau.edu.lb; Lebanese American University
    In this paper, we propose a novel 4×4 Space-Time (ST) code that can be associated with Impulse-Radio Ultra-Wideband (IR-UWB) systems using Pulse Position Modulation (PPM). The proposed rate-1 and fully diverse code can be ...

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