Browsing 2006 Auswireless Conference by Title

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Browsing 2006 Auswireless Conference by Title

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  • Rao, Raghu Mysore. (2007-03-12)
    As MIMO-OFDM systems gain in popularity and move towards commercialization, the impact of analog hardware impairments need to be addressed to ensure these systems achieve the significant capacity/throughput gains they are ...
  • Tang, Zhongwei.; Moahn, Ananda S. (2007-03-12)
    The achievable linear increase in multiple-input multipleoutput (MIMO) capacity is conditioned on sufficiently rich multipath" presenting in a wireless channel. Thus, the characterization of the resolvable multipaths in ...
  • Rizos, Chris.; Dempster, Andrew G.; Li, Binghao.; Salter, James. (2007-03-12)
    As well as delivering high speed internet, Wireless LAN (WLAN) can be used as an effective indoor positioning system. It is competitive in terms of both accuracy and cost compared to similar systems. To date, several signal ...
  • Abhayapala, T.; Jayalath, D.; Yuan, X.; Zhang, J. (2007-03-12)
    In Cyclix Prefix OFDM (CP) systems, synchronization to the maximal multipath signal generally causes no problem, however, inter carrier interference (ICI) will be introduced in Zero-padding OFDM (ZP-OFDM) systems, e.g, ...
  • Zakarevicius, Ramutis A. (2007-03-12)
    The integrator technique of time delay measurement is revisited and its suitability to many aspects of ultra wideband (UWB) communications systems is indicated. In the paper basic properties of the integrator technique, ...
  • Vucetic, Branka.; Munasinghe, Kumudu S.; Jamalipour, Abbas. (2007-03-12)
    In this paper, a novel architecture for interworking of the Wireless Local Area Network (WLAN) and the Third Generation (3G) mobile cellular network is presented. This architecture is a hybrid model with additional controls ...
  • Sandhu, Gobindar S.; Berber, Stevan M. (2007-03-12)
    In this paper the results of investigating various orthogonal signals that can be used as the carriers of users' information in a multiuser communication system are presented, primarily chaotic signals, wavelets, human ...
  • Kao, Johnny W. H; Berber, Stevan M. (2007-03-12)
    This paper outlines a novel iterative decoding technique for a rate K/N convolutional code based on recurrent neural network (RNN) with stopping criterion. The algorithm is introduced by describing the theoretical models ...
  • Joarder, Shamim A; Jayasuriya, Aruna; Perreau, Sylvie; Burachik, Regina (2007-03-12)
    This paper addresses the impact of the spreading gain on the efficiency of mobile Ad Hoc networks using Code Division Multiple Access (CDMA) as a mode of transmission. In particular, we concentrate on the trade off between ...
  • Humaira Haffajee.; Chan, H Anthony. (2007-03-12)
    The WLAN and WiMAX standards are candidate solutions for a low-cost broadband wireless network. Interworking the two networks, using the network-layer QoS mechanisms of the Next Generation Network, will allow them to ...
  • Van Schaik, André.; Dong, Xiao Feng.; Jin, Craig. (2007-03-12)
    A cascode LNA was optimized for a GPS receiver radio frequency front end using a 0.18 μm CMOS technology. By careful choice of device geometry, gate and source degeneration inductors, a fully integrated LNA can be optimized ...
  • Choi, Jinho.; Chee, Tommy K.; Lim, Cheng-Chew. (2007-03-12)
    This paper presents novel closed-form solutions to the sub-channel and power allocation problems of an orthogonal frequency division multiple access (OFDMA) system. We model the Rayleigh fading channel as a finite-state ...
  • Joel Sing.; Soh, Ben. (2007-03-12)
    Over the last several years digital pests - namely viruses and spam - have reached epidemic proportions, severely impacting the usability of digital communication systems, primarily affecting email. These pests result in ...
  • Murray, Boyd M; Reisenfeld, Sam (2007-03-12)
    We investigate the effects of quantization and AGC (Automatic Gain Control) in MIMO (Multiple Input Multiple Output) wireless systems. We derive the cutoff rate equations for a deterministic MIMO channel with quantization ...
  • Dissanayake, Tharaka; Esselle, Karu P. (2007-03-12)
    In UWB system design and optimization, antennas are usually represented by a single transfer function relating the input voltage to the radiated electric field in the free space. However, the transfer function of planar ...
  • Harrison, Jeffrey.; Burnet, Craig.; Cowley, William.; Boers, Michael.; Hall, Leonard.; Holland, Ian.; Howarth, James.; Batty, Mike.; Weste, Neil.; Abbott, Derek.; Zhu, Yingbo.; Davis, Linda M.; Parker, Anthony. (2007-03-12)
    ISM spectrum at 60GHz has attracted attention for possible high-speed applications in wireless communications for well over ten years. However, no high volume applications have emerged. Despite progress in mm-wave ICs, the ...
  • Sevimli, Oya; Dyadyuk, Val; Abbott, David; Bunton, John; Kendall, Rod; Stokes, Leigh; Shen, Mei; Smith, Stephanie (2007-03-12)
    CSIRO ICT Centre is developing millimetre wave point-to-point links suitable for multi-gigabit wireless connectivity. Suitable spectrum for this purpose is allocated at the 60 GHz band and above. This paper reports a new ...
  • Vivek, Deshpande. (2007-03-12)
    An overview of wireless networks, cross-layer optimization techniques, and advances in wireless LAN technologies is presented. This paper presents a scalable and adaptive system-level approach to wireless multimedia in the ...
  • Roviras, Daniel.; Carey, Daniel.; Senadji, Bouchra. (2007-03-12)
    This paper proposes an alternative transmission structure to the existing direct-sequence code division multiple access (DSCDMA) technique in order to alleviate the decision variable from a substantial portion of the ...
  • Akache, Mahmood.; Navarrete, Gina Paola.; Momani, Mohammad.; Agbinya, Johnson I. (2007-03-12)
    This paper introduces a new algorithm for calculating trust in Wireless Sensor Networks based on the quality of services characteristics expected to be fulfilled by nodes. Figure 3 shows the algorithm being proposed as a ...