Browsing Closed by Author "Sandrasegaran, Kumbesan"

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Browsing Closed by Author "Sandrasegaran, Kumbesan"

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  • Sandrasegaran, Kumbesan; Reeves, Scott; Mohd Ramli, Huda Adibah; Basukala, Riyaj (IEEE, 2010)
    The use of Hybrid ARQ in wireless networks is to provide fast re-transmits and to lower the overall error rate. The performance of HARQ schemes is a well studied field, with many results to draw from in the literature. An ...
  • Zhang, Qian; Zhu, Xinning; Wu, Leijia; Sandrasegaran, Kumbesan (IEEE, 2013)
    In order to improve the spectrum efficiency in the femtocell network and mitigate the co-tier/cross-tier interference, we propose a novel graph-theoretic scheme based on coloring algorithm for self-adaptive spectrum ...
  • Li, Xin; Zhu, Xinning; Wu, Leijia; Sandrasegaran, Kumbesan (IEEE, 2013)
    This paper presents a power optimization strategy based on pricing for femtocell-deployed networks. Assuming that the central Macrocell Base Station (MBS) considered as a leader sells transmission power quota to femtocells, ...
  • Li, Kenneth; Sandrasegaran, Kumbesan; Huang, Xiaoan (IEEE ICMB 2005, 2005)
    One motivation of mobile Next-Generation Networks (NGN) is the ubiquitous computing abilities, which provide automatic handovers for any moving computing devices in a globally networked environment. The vertical handover ...
  • Basukala, Riyaj; Mohd Ramli, Huda Adibah; Sandrasegaran, Kumbesan; Chen, Lu (IEEE, 2010)
    The major attraction of the next generation wireless systems such as the third generation partnership project (3GPP) Long Term Evolution (LTE) is the availability of high data-rate video services at high user velocities. ...
  • Wu, Leijia; Sandrasegaran, Kumbesan; Elkashlan, Maaged (IEEE, 2010)
    Next generation wireless networks will be heterogeneous. Multiple Radio Access Technologies (RATs) will be colocated in the same area. A challenge arising is the efficient radio resource management among overlapped RATs. ...
  • Haagsma, Joshua; Haylock, Robert; Sandrasegaran, Kumbesan (IEEE, 2005)
    A number of wireless and wireline telecommunication technologies have been developed over the last two decades. Assessing these telecommunication technologies in the context of their areas of application means that more ...
  • Li, Kenneth; Sandrasegaran, Kumbesan (IEEE LCN 2005, 2005)
    Generally, current network management technologies follow two approaches: ITU-T s recommendations for Telecommunication Management Network (TMN) and IETF s Simple Network Management Protocol (SNMP) that favors IP networks. ...
  • Wu, Leijia; Al Sabbagh, Abdallah; Sandrasegaran, Kumbesan; Elkashlan, Maaged; Lin, Cheng-Chung (IEEE Computer Society, 2010)
    The next generation wireless network is expected to be a heterogeneous. The Radio Access Technology (RAT) selection algorithm, including initial RAT selection and vertical handover, is one of the key research areas in ...
  • Deroussent, Andrew; Sandrasegaran, Kumbesan; Mohd Ramli, Huda Adibah; Basukala, Riyaj (IEEE, 2010)
    In order to support development of third generation partnership project long term evolution (3GPP LTE) packet scheduling algorithms, research has been conducted into several radio propagation effects. The radio channels ...
  • Lin, Cheng-Chung; Sandrasegaran, Kumbesan; Mohd Ramli, Huda Adibah; Xue, Minjie (IEEE Computer Society, 2010)
    Long Term Evolution (LTE) is the next generation wireless system that uses Break-before-Connect technology in the handover scheme, unlike handover in the Wide-band Code Division Multiple Access (WCDMA) that uses ...
  • Sandrasegaran, Kumbesan; Patachaianand, Rachod (IEEE Conference Publishing Services, 2008)
    Universal Mobile Telecommunication System (UMTS) is based on WCDMA technology. The capacity of this system is difficult to manually compute because of at least two reasons. Firstly, this system is designed to support many ...
  • Haagsma, Joshua; Sandrasegaran, Kumbesan; Haylock, Peter (IEEE ICMB 2005, 2005)
    GSM, GPRS, UMTS, WLAN, WiMax and LEOs are all examples of mobile technologies that have evolved over the last decade. We have developed a simple and repeatable methodology to match mobile applications to the most appropriate ...